CN214888010U

CN214888010U - Two-way cartridge valve convenient for replacing valve core

Info

Publication number: CN214888010U
Application number: CN202121267020.7U
Authority: CN
Inventors: 顾涛; 盛秋实
Original assignee: Zoucheng Jinming Hydraulic Machinery Co ltd
Current assignee: Zoucheng Jinming Hydraulic Machinery Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-11-26
Anticipated expiration: 2031-06-08

Abstract

The utility model discloses a two-way cartridge valve convenient to change case, including the integrated valve piece, integrated valve piece top middle part fixedly connected with control apron, the inside sliding connection of integrated valve piece has the valve barrel, the first sealing washer of valve barrel upside fixedly connected with, valve barrel downside fixedly connected with second sealing washer, the top sliding connection of the inside cavity of valve barrel has the preforming. The utility model discloses in, at first case and second case rely on the stationary blade to closely laminate under the effect of valve barrel, first sealed pad then can guarantee to possess the leakproofness of integral type case in the past with the sealed pad of second, the pulling spring can utilize the cable to pull out the valve barrel with the stationary blade, and then remove the problem that integral type case and valve barrel easily blocked in the past easily, reach the effect of conveniently changing the case, the case that changes two simultaneously, can only change that half of harm, thereby use cost is reduced, be worth wideling popularize.

Description

Two-way cartridge valve convenient for replacing valve core

Technical Field

The utility model relates to a valve field especially relates to a two-way cartridge valve convenient to change case.

Background

The two-way cartridge valve is a novel hydraulic control element appearing in the beginning of the foreign 20 th century 70 years, relevant standards are determined by the hydropneumatic standardization committee in 1981, the two-way cartridge valve is named after the international standard, and is called as a cartridge valve for short, one two-way cartridge valve is generally composed of an insertion element, a pilot element, a control cover plate and a cartridge block body, the insertion element is a main-stage or power element of the two-way cartridge valve and is inserted into a valve body or an integrated block, and the opening and closing actions and the opening amount of the two-way cartridge valve are used for controlling the on-off of liquid flow or the pressure and the flow rate so as to realize the control on the direction, the pressure and the speed of a hydraulic actuator, and the two-way cartridge valve has the following characteristics of large flow capacity and small pressure loss and is suitable for a large-flow hydraulic system; the main valve core has short stroke, sensitive action, quick response and small impact; the oil stain resistance is strong, and no strict requirement is imposed on the oil liquid filtering precision; the structure is simple, the maintenance is convenient, the failure is less, and the service life is long; the plug-in has the multifunctional characteristic of one valve, is convenient to form various hydraulic loops, and works stably and reliably; the plug-in has parts with high universalization, standardization and serialization degrees, and can form an integrated system.

The valve core is difficult to take down or needs to be disassembled by an auxiliary tool due to the tight combination between the valve core and the valve sleeve in the prior use, so that the operation is inconvenient, and meanwhile, if the spring is too hard, the subsequent control cover plate and the pilot valve are inconvenient to install.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a two-way cartridge valve convenient for replacing a valve core.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a two-way cartridge valve convenient to change case, includes integrated valve piece, integrated valve piece top middle part fixedly connected with control apron, the inside sliding connection of integrated valve piece has the valve barrel, the first sealing washer of valve barrel upside fixedly connected with, valve barrel downside fixedly connected with second sealing washer, the top sliding connection of the inside cavity of valve barrel has the preforming, the inside spring that is provided with of valve barrel, spring bottom fixedly connected with cable, cable bottom fixedly connected with stationary blade, the inside left side sliding connection of valve barrel has first case, the inside right side sliding connection of valve barrel has the second valve core, the first sealed pad of first case right-hand member fixedly connected with, the second is sealed to be connected with the second and is sealed.

As a further description of the above technical solution:

the top end of the control cover plate is fixedly connected with a pilot valve.

As a further description of the above technical solution:

first sealing washer external diameter a week sliding connection is at the upside of the inside jack of integrated valve piece, second sealing washer external diameter a week sliding connection is at the downside of the inside jack of integrated valve piece.

As a further description of the above technical solution:

and blocking blocks are fixedly connected to the left side and the right side of the top end of the cavity in the valve sleeve.

As a further description of the above technical solution:

the first sealing ring is made of ethylene propylene diene monomer rubber, and the second sealing ring is made of ethylene propylene diene monomer rubber.

As a further description of the above technical solution:

the first sealing gasket is made of ethylene propylene diene monomer rubber, and the second sealing gasket is made of ethylene propylene diene monomer rubber.

As a further description of the above technical solution:

the left half side of the fixed plate is connected in a groove in the middle of the right side of the first valve core in a sliding mode, and the right half side of the fixed plate is connected in a groove in the middle of the left side of the second valve core in a sliding mode.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first case and second case rely on the stationary blade to closely laminate under the effect of valve barrel, first sealed pad then can guarantee to possess the leakproofness of integral type case in the past with the sealed pad of second, the pulling spring can utilize the cable to pull out the valve barrel with the stationary blade, and then removes the problem that integral type case and valve barrel easily blocked in the past easily, reach the effect of conveniently changing the case, the case that changes two simultaneously, can only change that half of harm, thereby use cost has been reduced.

2. The utility model discloses in, through the preforming with the inside cavity of spring compression inlet valve cover, and then rotatory preforming, stop the compression state that the piece can keep the spring through both sides, remove from when integrated valve piece installation control apron, need earlier long fix with screw because of the spring is too hard, the loaded down with trivial details process of control apron is consolidated again to the back short screw, does not cause the puzzlement to subsequent use simultaneously yet, is worth wideling popularize.

Drawings

FIG. 1 is a front sectional view of a two-way cartridge valve with easy replacement of the valve core according to the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a schematic sectional elevation view of the first and second valve spools;

FIG. 4 is a top view of the first and second valve spools;

fig. 5 is a perspective view of a tablet configuration.

Illustration of the drawings:

1. an integration valve block; 2. a control cover plate; 3. a pilot valve; 4. a valve housing; 5. a first seal ring; 6. a second seal ring; 7. a blocking block; 8. tabletting; 9. a spring; 10. a cable; 11. a fixing sheet; 12. a first valve spool; 13. a second valve core; 14. a first gasket; 15. a second gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides an embodiment: a two-way cartridge valve convenient for replacing a valve core comprises an integrated valve block 1, a control cover plate 2 is fixedly connected to the middle portion of the top end of the integrated valve block 1, a valve sleeve 4 is slidably connected to the inside of the integrated valve block 1, a first sealing ring 5 is fixedly connected to the upper side of the valve sleeve 4, a second sealing ring 6 is fixedly connected to the lower side of the valve sleeve 4, a pressing sheet 8 is slidably connected to the top end of an inner cavity of the valve sleeve 4, a spring 9 is arranged inside the valve sleeve 4, the spring 9 is compressed into a top cavity of the valve sleeve 4 through the pressing sheet 8, the pressing sheet 8 is further rotated, the compression state of the spring 9 can be kept through two side blocking blocks 7, the complex process that when the control cover plate 2 is installed in the integrated valve block 1 in the past, a long screw is firstly used for fixing the spring 9, then a short screw is used for reinforcing the control cover plate 2 is omitted, a stay cable 10 is fixedly connected to the bottom end of the spring 9, a fixing sheet 11 is fixedly connected to the bottom end of the stay cable 10, a first valve core 12 is slidably connected to the left side inside the valve sleeve 4, the right side inside the valve sleeve 4 is slidably connected with a second valve core 13, the right end of the first valve core 12 is fixedly connected with a first sealing gasket 14, and the left end of the second valve core 13 is fixedly connected with a second sealing gasket 15.

The top end of the control cover plate 2 is fixedly connected with a pilot valve 3, a circle of outer diameter of a first sealing ring 5 is slidably connected with the upper side of an inner jack of the integrated valve block 1, a circle of outer diameter of a second sealing ring 6 is slidably connected with the lower side of the inner jack of the integrated valve block 1, the left side and the right side of the top end of an inner cavity of the valve sleeve 4 are fixedly connected with blocking blocks 7, the first sealing ring 5 is made of ethylene propylene diene monomer which is corrosion-resistant and is suitable for sealing, the second sealing ring 6 is made of ethylene propylene diene monomer, the first sealing gasket 14 is made of ethylene propylene diene monomer, the second sealing gasket 15 is made of ethylene propylene diene monomer, the left half side of the fixing piece 11 is slidably connected in a groove in the middle part of the right side of the first valve core 12, the right half side of the fixing piece 11 is slidably connected in a groove in the middle part of the left side of the second valve core 13, and the three can be combined into a cylinder with a cavity top end, the cavity is used for containing the lower side of the spring 9, and the column body is provided with a gap for burying the inhaul cable for use, so that the sealing performance is prevented from being damaged.

The working principle is as follows: firstly, the left half side of a fixing piece 11 is connected in a groove in the middle of the right side of a first valve core 12 in a sliding way, the right half side of the fixing piece 11 is connected in a groove in the middle of the left side of a second valve core 13 in a sliding way, at the moment, the three can be combined into a cylinder with a cavity top end, the fixing piece 11 can be tightly attached under the supporting force of the inner wall of a valve sleeve 4, a first sealing gasket 14 and a second sealing gasket 15 can ensure that the first valve core 12 and the second valve core 13 are combined to have the sealing performance of the traditional integrated valve core, when the valve core is replaced, a spring 9 is pulled out, the fixing piece 11 and the first valve core 12 and the second valve core 13 can be pulled out of the valve sleeve 4 by using a guy cable 10, the problem that the traditional integrated valve core and the valve sleeve 4 are easy to clamp is solved easily, the effect of replacing the valve core is achieved conveniently, meanwhile, the structures of the first valve core 12 and the second valve core 13 are completely consistent, so that only the damaged half can be replaced, thereby use cost has been reduced, advance in the top cavity of valve barrel 4 through the preforming 8 with the compression of spring 9, and then rotatory preforming 8, block the piece 7 through both sides and can keep the compression state of spring 9, remove from in the past when integrated valve piece 1 installation control apron 2, need earlier long screw fixation because of spring 9 is too hard, the loaded down with trivial details process of control apron 2 is consolidated again to the back short screw, need not unblock spring 9 simultaneously, also do not cause the puzzlement to subsequent use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a two-way cartridge valve convenient to change case, includes integrated valve piece (1), its characterized in that: the middle part of the top end of the integrated valve block (1) is fixedly connected with a control cover plate (2), the interior of the integrated valve block (1) is connected with a valve sleeve (4) in a sliding way, a first sealing ring (5) is fixedly connected with the upper side of the valve sleeve (4), a second sealing ring (6) is fixedly connected with the lower side of the valve sleeve (4), the top end of the cavity in the valve sleeve (4) is connected with a pressing sheet (8) in a sliding way, a spring (9) is arranged in the valve sleeve (4), the bottom end of the spring (9) is fixedly connected with a guy cable (10), the bottom end of the guy cable (10) is fixedly connected with a fixing plate (11), a first valve core (12) is connected to the left side inside the valve sleeve (4) in a sliding manner, a second valve core (13) is connected to the right side inside the valve sleeve (4) in a sliding manner, the right end of the first valve core (12) is fixedly connected with a first sealing gasket (14), and a second sealing gasket (15) is fixedly connected to the left end of the second valve core (13).

2. The two-way cartridge valve facilitating replacement of a cartridge of claim 1, wherein: the top end of the control cover plate (2) is fixedly connected with a pilot valve (3).

3. The two-way cartridge valve facilitating replacement of a cartridge of claim 1, wherein: first sealing washer (5) external diameter a week sliding connection is at the upside of the inside jack of integrated valve piece (1), second sealing washer (6) external diameter a week sliding connection is at the downside of the inside jack of integrated valve piece (1).

4. The two-way cartridge valve facilitating replacement of a cartridge of claim 1, wherein: and blocking blocks (7) are fixedly connected to the left side and the right side of the top end of the cavity in the valve sleeve (4).

5. The two-way cartridge valve facilitating replacement of a cartridge of claim 1, wherein: the first sealing ring (5) is made of ethylene propylene diene monomer rubber, and the second sealing ring (6) is made of ethylene propylene diene monomer rubber.

6. The two-way cartridge valve facilitating replacement of a cartridge of claim 1, wherein: the first sealing gasket (14) is made of ethylene propylene diene monomer rubber, and the second sealing gasket (15) is made of ethylene propylene diene monomer rubber.

7. The two-way cartridge valve facilitating replacement of a cartridge of claim 1, wherein: the left half side of the fixing piece (11) is slidably connected into a groove in the middle of the right side of the first valve core (12), and the right half side of the fixing piece (11) is slidably connected into a groove in the middle of the left side of the second valve core (13).