CN113775588B

CN113775588B - Simple hydraulic valve

Info

Publication number: CN113775588B
Application number: CN202111093358.XA
Authority: CN
Inventors: 张卫建
Original assignee: Yangzhou Xuxin Pneumatic Hydraulic Equipment Co ltd
Current assignee: Yangzhou Xuxin Pneumatic Hydraulic Equipment Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2023-12-22
Anticipated expiration: 2041-09-17
Also published as: CN113775588A

Abstract

The invention provides a simple hydraulic valve, relates to the technical field of hydraulic valves, and aims to solve the problems that when the conventional hydraulic valve is used, the sealing effect of a joint is poor and the sealing cannot be enhanced by automatic stress; the main body is a hydraulic valve body, and the side edge of the main body is provided with a connecting end; the bottom hole is arranged at the bottom of the main body. The sealing element is used for being installed inside the connecting hole of main part for when the link of main part is connected, can install the sealing element embedding in the inside of connecting hole, when making the pipeline connect, can make the outer end of sealing element insert inside the pipeline, when making the main part use, when liquid passes through, can contact with atress groove inside, make the atress groove can automatic atress, and then outwards strengthen the expansion, thereby laminate the inside of pipeline more, and then strengthen sealed effect.

Description

Simple hydraulic valve

Technical Field

The invention belongs to the technical field of hydraulic valves, and particularly relates to a simple hydraulic valve.

Background

The hydraulic valve is an automatic element operated by pressure oil, is controlled by the pressure oil of the pressure distribution valve, is usually used in combination with an electromagnetic pressure distribution valve, can be used for remotely controlling the on-off of oil, gas and water pipeline systems of a hydropower station, and is usually used for clamping, controlling, lubricating and other oil ways. There are direct-acting type and pilot type, and multiple pilot type.

For example, application number: CN111173796a relates to a hydraulic valve, which comprises an upper valve body, a lower valve body, a pressure compensating plate and a valve core, wherein the upper surface of the lower valve body is provided with a lower oil inlet groove, a lower oil outlet groove and a lower low pressure groove respectively, the valve core is provided with a middle oil inlet groove, a middle oil outlet groove and a middle low pressure hole respectively, and the pressure compensating plate is provided with an upper oil inlet groove, an upper oil outlet groove and an upper low pressure groove respectively; an oil inlet, an oil outlet and an oil return port are formed in the lower surface of the lower valve body, and an oil inlet flow passage, an oil outlet flow passage and a low-pressure flow passage are respectively formed in the lower valve body; the invention solves the technical problems that a valve core is easily worn by pollutants and eccentric clamping stagnation is easily generated in the movement process.

Based on prior art discovery, current hydraulic valve is when using, and junction sealed effect is relatively poor, and can't automatic atress strengthen sealedly, and current hydraulic valve is when using, can't convenient concatenation fixed, can't change different fixed blocks and fix in suitable position.

Disclosure of Invention

In order to solve the technical problems, the invention provides a simple hydraulic valve, which solves the problems that the sealing effect of the joint is poor, the sealing cannot be enhanced by automatic stress when the conventional hydraulic valve is used, the conventional hydraulic valve cannot be spliced and fixed conveniently and cannot be replaced and different fixing blocks are fixed at proper positions when the conventional hydraulic valve is used.

The invention discloses a simple hydraulic valve, which is characterized by comprising the following specific technical means:

a simple hydraulic valve comprises a main body, a bottom hole, a sealing element, a fixing ring, a fixing plate and a combination element; the main body is a hydraulic valve body, and the side edge of the main body is provided with a connecting end; the bottom hole is arranged at the bottom of the main body; the fixing pieces are arranged in the bottom holes, the outer ends of the fixing pieces are embedded in the mounting holes, and the fixing pieces are annularly arranged; the fixing plate is arranged on the outer side of the main body, and the connector is inserted into the slot of the fixing plate; the outer end of the joint part is identical to the fixing ring and the splicing part in structure, and a connector is inserted into the splicing groove of the joint part;

the sealing element comprises an inner hole, a convex strip, an inner groove and a stress groove, the sealing element is of a cylindrical tubular structure with a convex middle part, and the inner hole is formed in the sealing element; the inner holes are of spherical structures and are annularly arranged; the outer side of the sealing piece is provided with a convex strip which is of an arc-shaped structure; an inner groove is arranged at the inner end inner ring and the outer ring of the sealing element, and the inner groove is of an arc-shaped structure; the sealing element is made of rubber, and the inner end of the sealing element is inserted into the connecting hole;

the fixing ring comprises a connector, a jack and a splicing piece, the fixing ring is of an arc-shaped structure, and the fixing ring is made of an elastic plate; the outer end of the fixed ring is provided with a connector which is of a T-shaped structure; the outer end of the inner side of the fixed ring is provided with a jack which is of an H-shaped structure; the fixing ring is installed at the outer side of the main body.

Further, the main body comprises a connecting hole and an auxiliary ring, the connecting hole is arranged in the connecting end of the main body, and the connecting hole is of a cylindrical structure with a raised middle part; the contained angle position of connecting hole is equipped with two auxiliary ring, and auxiliary ring is the arc structure.

Further, the bottom hole comprises a mounting hole, the bottom hole is of a cylindrical structure with two protruding ends, and the outer side of the bottom hole is of a horn-shaped structure; the inside outside of bottom hole is equipped with the mounting hole, and the mounting hole is annular arrangement to the inside of mounting hole is T shape structure.

Further, the sealing element further comprises a stress groove, wherein the stress groove is of an annular structure, the inside of the stress groove is of an arc-shaped structure, and the outer end of the stress groove is of an inclined structure; the stress groove is arranged in the sealing piece.

Further, the fixing piece comprises an outer groove and an auxiliary groove, the fixing piece is of a T-shaped structure, two sides of the outer end of the fixing piece are of inclined structures, and the fixing piece is made of silica gel; an outer groove is formed in the middle of the outer end of the fixing piece, and a spring is arranged in the outer groove; auxiliary grooves which are uniformly arranged are formed in the inner side of the fixing piece, and the auxiliary grooves are of a wedge-shaped structure.

Further, the fixed ring is still including the splice, the splice is arc platy structure, and the outer end of splice is equipped with H shape piece to H shape piece embedding is in the inside of jack.

Furthermore, the fixing plate also comprises a slot, the fixing plate is of a T-shaped plate structure, fixing holes which are uniformly arranged are arranged on two sides of the fixing plate, and the fixing holes are of a cylindrical structure with a raised middle part; the inner side of the fixing plate is provided with a slot which is of a T-shaped structure.

Further, the joint piece comprises a joint head and a splicing groove, the joint head is arranged at the inner end of the joint piece, and the joint head is of a T-shaped structure; the inner end of the joint head is provided with a splicing groove which is of a T-shaped structure.

Compared with the prior art, the invention has the following beneficial effects:

1. in the device, the sealing element is arranged in the connecting hole of the main body, when the connecting end of the main body is connected, the sealing element can be embedded and arranged in the connecting hole, so that the outer end of the sealing element can be inserted into the connecting pipe when the pipe is connected, when the main body is used, liquid passes through the sealing element, the sealing element can be in contact with the inside of the stress groove, so that the stress groove can be automatically stressed and further outwards strengthened and expanded, the sealing element is more adhered to the inside of the pipe, the sealing element is made of rubber, after the sealing element is stressed and can be adhered to, the sealing effect is better, the inner hole is formed in the sealing element, after the pipe is connected, the convex strip can be compressed, the inner hole can be compressed, the convex strip can be contacted with the connecting pipe, the sealing property is further strengthened, the inner groove is used for being contacted with the auxiliary ring, the auxiliary ring can be embedded into the inside of the inner groove, the sealing element cannot be displaced after the sealing element is arranged, and the sealing element can be further stressed and expanded when the liquid passes through the stress groove, and can be further stressed and expanded, and further the sealing element can be contacted with the inside of the groove;

2. in this device, the solid fixed ring has been set up, gu fixed ring is when the main part needs to be fixed, can splice together with the splice through the manual control gu fixed ring, then be connected with the main part, then use in fixing in the suitable position, if fix on the wall body, can fix the fixed plate earlier, then the connector of control gu fixed ring inserts the inside of slot fixedly, if need with the pipe connection or be connected with other hydrovalve, can control the union piece installation, make the connector can imbed the inside of jack groove, and then supplementary fixed connection, make solid fixed ring and union piece can assist fixed connection, the connector is in the fixed ring installation time, can come in and go out in the inside of jack groove or slot through the connector, make solid fixed ring can firm installation be connected, and the jack is in the fixed time of solid fixed ring and splice piece together, can make the H shape piece of splice insert the inside of jack, and then convenient concatenation is fixed, and the splice piece is after splice with gu fixed ring, can fix the both sides of main part together, and then be connected with the main part firmly.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic bottom view of the present invention.

Fig. 3 is an exploded perspective view of the present invention.

Fig. 4 is an exploded bottom view of the present invention.

Fig. 5 is a schematic view in partial cross section and in partial enlarged configuration of the seal of the present invention.

Fig. 6 is an exploded and partially enlarged schematic view of the fixing member of the present invention.

Fig. 7 is an exploded perspective view of the fixing ring of the present invention.

Fig. 8 is a schematic view of a splice connection of the present invention.

In the figure, the correspondence between the component names and the drawing numbers is:

1. a main body; 101. a connection hole; 102. an auxiliary ring; 2. a bottom hole; 201. a mounting hole; 3. a seal; 301. an inner bore; 302. a convex strip; 303. an inner tank; 304. a stress groove; 4. a fixing member; 401. an outer groove; 402. an auxiliary groove; 5. a fixing ring; 501. a connector; 502. a jack; 503. a splice; 6. a fixing plate; 601. a slot; 7. a union; 701. a joint head; 702. and a plug-in groove.

Detailed Description

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.

In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Examples:

as shown in fig. 1 to 8:

the invention provides a simple hydraulic valve, which comprises a main body 1, a bottom hole 2, a sealing element 3, a fixing element 4, a fixing ring 5, a fixing plate 6 and a combination element 7; the main body 1 is a hydraulic valve body, and a connecting end is arranged on the side edge of the main body 1; the bottom hole 2 is arranged at the bottom of the main body 1; the fixing pieces 4 are installed inside the bottom hole 2, the outer ends of the fixing pieces 4 are embedded inside the installation holes 201, and the fixing pieces 4 are annularly arranged; the fixing plate 6 is positioned at the outer side of the main body 1, and a connector 501 is inserted and installed in a slot 601 of the fixing plate 6; the outer end of the joint part 7 has the same structure as the fixed ring 5 and the splicing part 503, and a connector 501 is inserted and installed in a plug-in groove 702 of the joint part 7;

the sealing element 3 comprises an inner hole 301, a convex strip 302, an inner groove 303 and a stress groove 304, the sealing element 3 is of a cylindrical tubular structure with a convex middle part, and the inner hole 301 is arranged in the sealing element 3; the inner holes 301 are of spherical structures, and the inner holes 301 are annularly arranged; the outer side of the sealing piece 3 is provided with a convex strip 302, and the convex strip 302 is of an arc-shaped structure; an inner groove 303 is arranged at the inner end inner ring and the outer ring of the sealing element 3, and the inner groove 303 is of an arc-shaped structure; the sealing element 3 is made of rubber, the inner end of the sealing element 3 is inserted into the connecting hole 101, the sealing element 3 is used for being installed in the connecting hole 101 of the main body 1, when the connecting end of the main body 1 is connected, the sealing element 3 can be embedded into the connecting hole 101, when the pipelines are connected, the outer end of the sealing element 3 can be inserted into the pipelines, when the main body 1 is used, liquid passes through, the sealing element can be in contact with the inner part of the stress groove 304, the stress groove 304 can be automatically stressed and further outwards strengthened and expanded, so that the sealing element 3 is more attached to the inner part of the pipelines, the sealing effect is better, the inner hole 301 is used for being arranged in the inner part of the sealing element 3, after the pipelines are connected, the convex strip 302 can be compressed, the convex strip 302 can be in contact with the connecting part of the connecting pipe, the sealing performance is further enhanced, the sealing element 303 is used for being in contact with the auxiliary ring 102, and the inner groove 303 can be embedded into the inner part of the auxiliary ring 102, and the sealing element 3 can not be embedded into the inner groove 102;

the fixing ring 5 comprises a connector 501, a jack 502 and a splicing piece 503, the fixing ring 5 is of an arc-shaped structure, and the fixing ring 5 is made of an elastic plate; the outer end of the fixed ring 5 is provided with a connector 501, and the connector 501 is of a T-shaped structure; the inner outer end of the fixed ring 5 is provided with a jack 502, and the jack 502 is of an H-shaped structure; the fixed ring 5 is installed in the outside of main part 1, the fixed ring 5 is when main part 1 needs to be fixed, can splice together with splice 503 through manpower control fixed ring 5, then be connected with main part 1, then be fixed in the suitable position and use, can fix fixed plate 6 earlier if when fixing on the wall body, then the connector 501 of fixed ring 5 is controlled to insert the inside fixed of slot 601, if need with the pipe connection or be connected with other hydraulic valves, can control the installation of union piece 7, make connector 501 can imbed the inside of jack groove 702, and then supplementary fixed connection, make fixed ring 5 and union piece 7 can supplementary fixed connection, connector 501 is when fixed ring 5 installs, can pass through the connector 501 and come in and go out in the inside of jack groove 702 or slot 601, make fixed ring 5 can install the connection, and jack 502 is when fixed ring 5 and splice piece 503 are connected together and main part 1 are fixed, can make the H shape piece of splice piece 503 insert the inside of jack 502, and then convenient concatenation is fixed.

The main body 1 comprises a connecting hole 101 and an auxiliary ring 102, the connecting hole 101 is arranged in the connecting end of the main body 1, and the connecting hole 101 is of a cylindrical structure with a convex middle part; the contained angle position of connecting hole 101 is equipped with two auxiliary ring 102, and auxiliary ring 102 is the arc structure, and connecting hole 101 is used for embedding installation sealing member 3, makes sealing member 3 can be installed fixedly according to the demand, and auxiliary ring 102 is used for embedding inside hole 301 for after sealing member 3 installs, can not appear the displacement.

Wherein, the bottom hole 2 comprises a mounting hole 201, the bottom hole 2 is a cylindrical structure with two raised ends, and the outer side of the bottom hole 2 is a horn-shaped structure; the inside outside of the bottom hole 2 is provided with the mounting holes 201, the mounting holes 201 are annularly arranged, the inside of the mounting holes 201 is of a T-shaped structure, the bottom hole 2 is arranged at the bottom of the main body 1 for connection, and the mounting holes 201 are used for embedding the mounting fixing pieces 4, so that the mounting of the fixing pieces 4 can be more stable, the fixing pieces are not easy to separate, and the fixing pieces can be assisted and fixed after being contacted with a pipeline.

The sealing element 3 further comprises a stress groove 304, wherein the stress groove 304 is of an annular structure, the inside of the stress groove 304 is of an arc structure, and the outer end of the stress groove 304 is of an inclined structure; the stress groove 304 is formed in the sealing element 3, and when liquid passes through, the stress groove 304 can be in contact with the inside of the stress groove 304, so that the stress groove 304 can be expanded under pressure, and then is tightly attached to the inside of a pipeline, and the sealing performance is further enhanced.

Wherein, the fixing piece 4 comprises an outer groove 401 and an auxiliary groove 402, the fixing piece 4 is of a T-shaped structure, two sides of the outer end of the fixing piece 4 are of an inclined structure, and the fixing piece 4 is made of silica gel; an outer groove 401 is arranged in the middle of the outer end of the fixing piece 4, and a spring is arranged in the outer groove 401; the inboard of mounting 4 is equipped with evenly arranged's auxiliary groove 402, and auxiliary groove 402 is wedge structure, mounting 4 is used for with the pipeline contact for after the pipeline inserts bottom hole 2 internal connection, can make mounting 4 and its contact, make auxiliary groove 402 outwards expand, and then strengthen fixedly, mounting 4 is T shape structure, in order to insert mounting hole 201 inside convenient, make mounting 4 can convenient change use, and external groove 401 is used for installing the spring, make mounting 4 can have more elasticity, and then when making the pipeline insert, can be more smooth.

The fixing ring 5 further comprises a splicing part 503, the splicing part 503 is of an arc plate structure, an H-shaped block is arranged at the outer end of the splicing part 503 and embedded into the jack 502, and the splicing part 503 can be fixed on two sides of the main body 1 after being spliced with the fixing ring 5, so that the fixing ring is firmly connected with the main body 1.

The fixing plate 6 further comprises an inserting groove 601, the fixing plate 6 is of a T-shaped plate structure, fixing holes which are uniformly arranged are formed in two sides of the fixing plate 6, and the fixing holes are of a cylindrical structure with a raised middle part; the inboard of fixed plate 6 is equipped with slot 601, and slot 601 is T shape structure, and fixed plate 6 is used for being connected with the wall body in advance for when fixed ring 5 need drive main part 1 and wall body fixed connection installation, can direct control connector 501 insert the inside concatenation of slot 601, and then firm connection is fixed.

The joint piece 7 comprises a joint head 701 and an inserting groove 702, the joint head 701 is arranged at the inner end of the joint piece 7, and the joint head 701 is of a T-shaped structure; the inner end of the joint 701 is provided with a plugging groove 702, the plugging groove 702 is of a T-shaped structure, and when the main body 1 needs to be connected with another hydraulic valve or connected with a pipeline, the joint 7 can directly control the joint 501 to be inserted into the plugging groove 702, so that the joint 7 is connected with the fixed ring 5, and the main body 1 is conveniently and rapidly controlled to be connected with the hydraulic valve or the pipeline.

When in use, the utility model is characterized in that: when the device is needed to be used, the main body 1 can be controlled by manpower to be installed and used, when the side connecting end of the main body 1 is needed to be connected and used, the sealing element 3 can be embedded into the connecting hole 101, so that the inner end of the sealing element 3 can be contacted with the inside of the connecting hole 101, the auxiliary ring 102 can be embedded into the inner groove 303, the sealing element 3 can be conveniently and firmly installed, then the pipeline is controlled to be connected with the connecting end, so that the outer end of the sealing element 3 can be inserted into the pipeline, so that when the pipeline is connected, after passing through, liquid can be contacted with the stress groove 304, so that the liquid can be guided and impacted by the stress groove 304, the stress groove 304 can be stressed, the outer side of the sealing element 3 can be further contacted with the inner wall of the pipeline, and the sealing effect can be further enhanced, when the bottom hole 2 needs to be connected with a pipeline, the fixing piece 4 can be installed in advance, so that the outer end of the fixing piece 4 can be embedded into the installation hole 201, after the pipeline is inserted into the bottom hole 2 for internal connection, the pipeline can pass through the inner end of the fixing piece 4, then the auxiliary groove 402 is compressed, so that the pipeline can be conveniently inserted, after the pipeline is inserted, the outer side of the pipeline contacts with the inner end of the fixing piece 4, and then the pipeline is fixed, when the device needs to be fixedly installed, the fixing ring 5 and the splicing piece 503 can be installed and spliced on the outer side of the main body 1, the H-shaped block of the splicing piece 503 can be inserted into the jack 502, then the splicing piece 503 and the fixing ring 5 can be fixed on the outer side of the main body 1, when the pipeline is connected with a wall, the fixing plate 6 can be controlled to be connected with the wall, then the connector 501 is controlled to be inserted into the slot 601, if a pipeline or a connection with a hydraulic valve is needed, the joint 7 can be controlled to be fixed on the outer side of another hydraulic valve or the pipeline, and then the connector 501 is controlled to be inserted into the inserting groove 702, so that the joint 7 can be firmly connected with the fixing ring 5 for use.

The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A simple hydraulic valve, characterized by: comprises a main body (1), a bottom hole (2), a sealing piece (3), a fixing piece (4), a fixing ring (5), a fixing plate (6) and a combination piece (7); the main body (1) is a hydraulic valve body, and a connecting end is arranged on the side edge of the main body (1); the bottom hole (2) is arranged at the bottom of the main body (1); the fixing pieces (4) are arranged in the bottom holes (2), the outer ends of the fixing pieces (4) are embedded in the mounting holes (201), and the fixing pieces (4) are annularly arranged; the fixing plate (6) is arranged on the outer side of the main body (1), and a connector (501) is inserted into the slot (601) of the fixing plate (6); the outer end of the joint part (7) has the same structure as the fixed ring (5) and the splicing part (503), and a connector (501) is inserted and installed in a plug-in groove (702) of the joint part (7);

the sealing element (3) comprises an inner hole (301), a convex strip (302), an inner groove (303) and a stress groove (304), the sealing element (3) is of a cylindrical tubular structure with a convex middle part, and the inner hole (301) is arranged in the sealing element (3); the inner holes (301) are of spherical structures, and the inner holes (301) are annularly arranged; a raised line (302) is arranged on the outer side of the sealing piece (3), and the raised line (302) is of an arc-shaped structure; an inner groove (303) is arranged at the inner end inner ring and the outer ring of the sealing element (3), and the inner groove (303) is of an arc-shaped structure; the sealing element (3) is made of rubber, and the inner end of the sealing element (3) is inserted into the connecting hole (101);

the fixing ring (5) comprises a connector (501), a jack (502) and a splicing piece (503), the fixing ring (5) is of an arc-shaped structure, and the fixing ring (5) is made of an elastic plate; the outer end of the fixed ring (5) is provided with a connector (501), and the connector (501) is of a T-shaped structure; the inner outer end of the fixed ring (5) is provided with a jack (502), and the jack (502) is of an H-shaped structure; the fixing ring (5) is arranged on the outer side of the main body (1);

the main body (1) comprises a connecting hole (101) and an auxiliary ring (102), the connecting hole (101) is arranged in the connecting end of the main body (1), and the connecting hole (101) is of a cylindrical structure with a convex middle part; two auxiliary rings (102) are arranged at the included angle position of the connecting hole (101), and the auxiliary rings (102) are of arc-shaped structures;

the bottom hole (2) comprises a mounting hole (201), the bottom hole (2) is of a cylindrical structure with two protruding ends, and the outer side of the bottom hole (2) is of a horn-shaped structure; the inside outside of bottom hole (2) is equipped with mounting hole (201), and mounting hole (201) are the cyclic annular range, and the inside of mounting hole (201) is T shape structure.

2. The simple hydraulic valve of claim 1, wherein: the sealing piece (3) further comprises a stress groove (304), wherein the stress groove (304) is of an annular structure, the inside of the stress groove (304) is of an arc-shaped structure, and the outer end of the stress groove (304) is of an inclined structure; the stress groove (304) is arranged in the sealing element (3).

3. The simple hydraulic valve of claim 1, wherein: the fixing piece (4) comprises an outer groove (401) and an auxiliary groove (402), the fixing piece (4) is of a T-shaped structure, two sides of the outer end of the fixing piece (4) are of an inclined structure, and the fixing piece (4) is made of silica gel; an outer groove (401) is formed in the middle of the outer end of the fixing piece (4), and a spring is arranged in the outer groove (401); auxiliary grooves (402) which are uniformly arranged are formed in the inner side of the fixing piece (4), and the auxiliary grooves (402) are of a wedge-shaped structure.

4. The simple hydraulic valve of claim 1, wherein: the fixing ring (5) further comprises a splicing piece (503), the splicing piece (503) is of an arc-shaped plate structure, an H-shaped block is arranged at the outer end of the splicing piece (503), and the H-shaped block is embedded into the jack (502).

5. The simple hydraulic valve of claim 1, wherein: the fixing plate (6) further comprises a slot (601), the fixing plate (6) is of a T-shaped plate structure, fixing holes which are uniformly arranged are formed in two sides of the fixing plate (6), and the fixing holes are of a cylindrical structure with a raised middle part; the inner side of the fixed plate (6) is provided with a slot (601), and the slot (601) is of a T-shaped structure.

6. The simple hydraulic valve of claim 1, wherein: the joint piece (7) comprises a joint head (701) and a splicing groove (702), the joint head (701) is arranged at the inner end of the joint piece (7), and the joint head (701) is of a T-shaped structure; the inner end of the joint head (701) is provided with a plugging groove (702), and the plugging groove (702) is of a T-shaped structure.