CN115076454A

CN115076454A - Gate valve capable of automatically enhancing sealing effect

Info

Publication number: CN115076454A
Application number: CN202211009275.2A
Authority: CN
Inventors: 熊佩鑫; 程海锋; 张克亮; 罗潇
Original assignee: Jiangsu Degao Technology Co ltd
Current assignee: Jiangsu Degao Technology Co ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2022-09-20

Abstract

The invention provides a gate valve capable of automatically enhancing sealing effect, which relates to the technical field of gate valves and comprises the following components: the installed part, the left side of installed part is equipped with the arc ring, and installed part and arc ring embedding are inside spread groove and arc wall, and the installed part is including: the stress groove is arranged on the right side of the inner end of the pushing block. Water process in, can with internals and atress groove contact, make internals can atress pulling installed part, make and promote the piece and can atress displacement extrusion installed part, inside the arc ring that makes the installed part can be embedded into the connecting gap of main part, make the installed part can slight displacement strengthen sealed effect, leak appears after avoiding the main part to use for a long time, traditional gate valve has been solved, the sealed effect of junction is relatively poor, leak appears after using for a long time easily, the problem of the structure of the sealed effect of automatic reinforcement lacks.

Description

Gate valve capable of automatically enhancing sealing effect

Technical Field

The invention relates to the technical field of gate valves, in particular to a gate valve capable of automatically enhancing sealing effect.

Background

Gate valves are also known as gate valves and gate valves; the gate valve is one of the most commonly used cut-off valves, is mainly used for connecting or cutting off a medium in a pipeline, is not used for regulating the medium flow, and is usually applied to medium-large and other thick pipelines;

however, with regard to the conventional gate valve at present, the sealing effect of the junction is poor, leakage easily occurs after long-term use, a structure for automatically enhancing the sealing effect is lacked, water injection inside the gate valve cannot be controlled, the volume of impurities in water cannot be reduced by using the water injection, the gate valve lacks a filtering mechanism, a crushing mechanism is lacked after impurities such as silt are filtered, and the volume of the impurities after filtering cannot be reduced.

Disclosure of Invention

In view of this, the invention provides a gate valve capable of automatically enhancing a sealing effect, which has an internal component, so that when water flows through the internal component, the water can pass through the internal component, and the internal component can be forced to pull a mounting component made of rubber to be stressed, thereby automatically enhancing the sealing effect.

The invention provides a gate valve capable of automatically enhancing sealing effect, which specifically comprises: a main body; the main body is a gate valve body, and the middle positions above the front end and the rear end of the main body are respectively provided with a slot; the installed part, the installed part is the ring form structure, and the installed part is the rubber material, and the left side of installed part is equipped with the arc ring, and installed part and arc ring embedding are inside spread groove and arc wall, and the installed part is including: the stress grooves are of arc structures and are provided with six, and the six stress grooves are respectively arranged on the right sides of the inner ends of the six pushing blocks; the back part, the back part is the ring form structure, and the right side of back part is equipped with the arc ring, and back part and arc ring embedding are inside the spread groove of left end, and the back part is the rubber material, and the back part is including: rotatory piece, rotatory piece are the cruciform structure, and the outside of rotatory piece is slope column structure, and the left end and the filter contact of rotatory piece, the inside of rotatory piece are equipped with the round hole, and the round hole is inside to be inserted the connecting rod, and the outer end right side of rotatory piece is connected with the left end of extrusion piece.

Optionally, the main body includes: the inner plates are of L-shaped plate structures, the two inner plates are respectively fixed on two sides of the main body, a T-shaped groove is formed in each inner plate and communicated with the inside of the main body, two guide rods are arranged at the top end of each inner plate, the top ends of the guide rods are connected with the main body, and a spring is sleeved on the outer side of each guide rod; the main body includes: the connecting grooves are of circular ring structures, arc-shaped grooves are formed in the connecting grooves, the connecting grooves are two in number, the two connecting grooves are respectively formed in two ends of the bottom of the main body, six fixing grooves which are annularly arranged are formed in the outer end of each connecting groove, each fixing groove is of a T-shaped structure, and a V-shaped bulge is formed in each fixing groove; the main body further includes: the movable plate, the movable plate is the font platelike structure that returns, the movable plate suit is in the top outside of main part, the both sides of movable plate are equipped with two round holes respectively, the guide arm has been inserted to the inside of round hole, the top of movable plate contacts with the bottom of spring, the bottom both sides of movable plate are equipped with a baffle respectively, the baffle is T shape structure, the outside of baffle covers has the rubber slab, the inside at the inner panel is installed to the baffle, both ends are equipped with an installation piece respectively around the top of movable plate, the inside of installation piece is equipped with cross-shaped groove, the stopper is installed in the inside embedding in cross-shaped groove, the stopper is L shaped plate structure, the inner of stopper inserts inside the rectangular channel of main part, the both sides of stopper are equipped with a dog respectively.

Optionally, the mount further comprises: the inner part is of a disc-shaped structure, the inner part on the right side of the inner part is of an inclined structure, round holes which are uniformly arranged are formed in the inner part, the inner part is fixed on the left side of the mounting part, an inner rod is arranged in the middle of the inner part on the right end of the inner part, the inner rod is of a cylindrical structure with a convex middle part, and a spring is sleeved on the outer side of the inner rod; the mount further includes: the pressing piece is of a conical structure, a groove with a middle raised cylindrical structure is formed in the pressing piece, and an inner rod and a spring are inserted into the groove; the first clamping block is of a T-shaped structure, the first clamping block is made of rubber, six clamping blocks are arranged in total, the first six clamping blocks are annularly arranged and fixed on the outer side of the mounting part, and the first six clamping blocks are respectively embedded into six fixing grooves at the right end; the mount further includes: the mounting groove is of an L-shaped structure, two sides of the outer end of the mounting groove are respectively provided with a rectangular groove, six mounting grooves are arranged in total, the six mounting grooves are annularly arranged and provided with the right end of the mounting part, the right end of each mounting groove is provided with an auxiliary groove, and each auxiliary groove is of an L-shaped structure; the mount further includes: promote the piece, promote the piece and be L shaped plate column structure, promote the piece and be equipped with six altogether, six promote the piece and insert respectively in the inside of six mounting grooves, and the outer end both sides that promote the piece are equipped with two rectangular plates, and the rectangular plate inserts inside the rectangular channel that promotes the piece, and the outer end right side that promotes the piece is equipped with an L shaped plate, and the L shaped plate inserts in the inside of supplementary groove.

Optionally, the back piece further comprises: the second clamping block is of a T-shaped structure and made of rubber, the outer side of the second clamping block is provided with six V-shaped grooves, the six second clamping blocks are annularly arranged and fixed on the outer side of the rear part, and the six second clamping blocks are respectively embedded into the six fixing grooves at the left end; the gathering piece is of a horn-shaped structure and is mounted on the left side of the rear piece through six rectangular plates, a filter plate is arranged inside the left end of the gathering piece, a connecting rod is arranged in the middle of the right side of the filter plate and is of a cylindrical structure, and the right end of the connecting rod is of a conical structure; the back piece further comprises: the rotating ring is sleeved outside the connecting rod, four auxiliary plates which are annularly arranged are arranged outside the rotating ring and are of wedge-shaped structures, the auxiliary plates are inclined, an extrusion block is arranged at the outer end of each auxiliary plate and is of an inclined plate-shaped structure, the outer side of each extrusion block is of an arc-shaped structure, and the outer side of each extrusion block is in contact with the inside of the gathering piece.

Advantageous effects

1. According to the gate valve of the embodiments of the invention, compared with the conventional gate valve, the internal part can be used for generating impact force to the water, so that the auxiliary plate is forced to rotate, the pressurizing speed is increased, the rotating block can rotate, and the filtered impurities are crushed and crushed, thereby reducing the volume of the impurities.

2. In addition, the movable plate is installed to drive the baffle to move, so that when parts of the main body need to be disassembled for cleaning or maintenance, the device can pull the limiting block to move outwards, the limiting block of the movable plate is removed, the movable plate moves downwards, the baffle can be positioned in the gate valve for temporary sealing, and after the gate valve is disassembled, a large amount of water cannot leak, so that the gate valve is more convenient to clean or maintain;

3. in addition, the mounting part is arranged at the right end of the main body, after the main body is mounted and connected, when water passes through the mounting part, the water can be in contact with the internal part and the stress groove, so that the internal part can be stressed to pull the mounting part, the pushing block can be stressed to move to push the mounting part, the arc-shaped ring of the mounting part can be embedded into the connecting gap of the main body, the mounting part can slightly move to enhance the sealing effect, the leakage of the main body after long-time use is avoided, meanwhile, when the water passes through the mounting part, the pressing part can be stressed to move, further, a part of circular holes of the internal part are sealed, the internal part can be better stressed, meanwhile, the water can pass through the circular holes which are not blocked by the pressing part, the water can be sprayed out, and the cleaning of the interior of the gate valve is assisted;

5. in addition, through the installation rotatory piece, when the water injection was discharged, water can directly impact the accessory plate, because the accessory plate is slope column structure, make water after assaulting it, can make the accessory plate rotate with rotatory ring together, and then drive extrusion piece and rotatory piece fast rotation, after the filter filters impurity, extrusion piece and rotatory piece can roll filterable impurity and smash, and then reduce the volume of impurity, make impurity can pass through the discharge.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.

The drawings in the following description relate to only some embodiments of the invention and are not intended to limit the invention.

In the drawings:

FIG. 1 shows a schematic view of a perspective structure of a gate valve according to an embodiment of the present invention.

FIG. 2 shows a schematic diagram of a bottom view configuration of a gate valve according to an embodiment of the present invention.

FIG. 3 shows a schematic diagram of an exploded perspective structure of a gate valve according to an embodiment of the present invention.

FIG. 4 shows a schematic diagram of an exploded bottom view configuration of a gate valve according to an embodiment of the present invention.

FIG. 5 shows a schematic view of an exploded structure of a body of a gate valve according to an embodiment of the present invention.

FIG. 6 illustrates a schematic view of a partially cross-sectional exploded perspective structure of a mounting member of a gate valve according to an embodiment of the present invention.

FIG. 7 shows a schematic view of an exploded bottom view of a mount for a gate valve according to an embodiment of the present invention.

FIG. 8 shows a schematic view of a back piece exploded perspective structure of a gate valve according to an embodiment of the present invention.

List of reference numerals

1. A main body; 101. an inner plate; 102. a guide bar; 103. connecting grooves; 104. fixing grooves; 105. moving the plate; 106. a baffle plate; 107. mounting a block; 108. a limiting block;

2. a mounting member; 201. an internal member; 202. an inner rod; 203. pressing parts; 204. a first clamping block; 205. mounting grooves; 206. an auxiliary groove; 207. a pushing block; 208. a stress groove;

3. a back piece; 301. a second clamping block; 302. a convergence element; 303. a connecting rod; 304. a rotating ring; 305. an auxiliary plate; 306. extruding the block; 307. the block is rotated.

Detailed Description

In order to make the objects, aspects and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference symbols in the various drawings indicate like elements.

Example (b): please refer to fig. 1 to 8:

the invention provides a gate valve capable of automatically enhancing sealing effect, which comprises: a main body 1; the main body 1 is a gate valve body, and the middle positions above the front end and the rear end of the main body 1 are respectively provided with a slot for inserting the inner end of the limiting block 108, so that the limiting block 108 can limit and fix the moving plate 105, and the moving plate 105 and the baffle 106 can limit and fix when the gate valve is not dismounted for maintenance; installed part 2, installed part 2 is circular ring shaped structure, can install the hookup location at main part 1 by the extrusion, and then strengthen sealed effect, installed part 2 is the rubber material, make installed part 2 can be atress deformation, and then make sealed effect better, the left side of installed part 2 is equipped with the arc ring, be used for imbedding into the arc wall inside spread groove 103, after making 2 atress displacements of installed part, can strengthen sealed effect through the arc ring, installed part 2 and arc ring imbed inside spread groove 103 and arc wall, installed part 2 including: the stress grooves 208 are arc-shaped, six stress grooves 208 are arranged in total, the six stress grooves 208 are respectively arranged on the right sides of the inner ends of the six pushing blocks 207, and the pushing blocks 207 can be controlled to move together in a stress-assisted manner, so that the pushing blocks 207 can assist in pushing the mounting piece 2 to enhance the sealing effect; back part 3, back part 3 is the ring form structure, and the right side of back part 3 is equipped with the arc ring, can play with the same sealed effect of installed part 2, and inside back part 3 and the embedding of arc ring in the spread groove 103 of left end, back part 3 is the rubber material, and back part 3 is including: the rotating block 307 is of a cross-shaped structure, can simultaneously receive the rotating power of the four extrusion blocks 306 to rotate together, the outer side of the rotating block 307 is of an inclined structure, impurities can be effectively embedded, the impurities can be crushed, the left end of the rotating block 307 is in contact with the filter plate, a round hole is formed in the rotating block 307, a connecting rod 303 is inserted into the round hole, and the right side of the outer end of the rotating block 307 is connected with the left end of the extrusion block 306.

As shown in fig. 8, wherein the back piece 3 further includes: the second fixture block 301 is of a T-shaped structure, the second fixture block 301 is made of rubber, the outer side of the second fixture block 301 is provided with a V-shaped groove which can assist in fixing the rear piece 3, the second fixture block 301 is provided with six, the six second fixture blocks 301 are annularly arranged and fixed on the outer side of the rear piece 3, and the six second fixture blocks 301 are respectively embedded into the six fixing grooves 104 at the left end; the gathering piece 302 is of a horn-shaped structure, the gathering piece 302 is installed on the left side of the rear piece 3 through six rectangular plates and can gather passing water, the water can be gathered and pass through the filter plate, the filter plate is arranged inside the left end of the gathering piece 302, a connecting rod 303 is arranged in the middle of the right side of the filter plate, the connecting rod 303 is of a cylindrical structure, the right end of the connecting rod 303 is of a conical structure and used for installing a rotary ring 304 and a rotary block 307, and the rotary ring 304 and the rotary block 307 can be guided to rotate smoothly; the back piece 3 further comprises: rotating ring 304, rotating ring 304 suit is in the outside of connecting rod 303, can rotate around connecting rod 303, the outside of rotating ring 304 is equipped with four cyclic annular arrangement's accessory plate 305, accessory plate 305 is the wedge structure, after receiving the impact of water, can effectual atress rotation, accessory plate 305 is the slope form, the outer end of every accessory plate 305 is equipped with an extrusion piece 306, extrusion piece 306 is the slope platelike structure, the outside of extrusion piece 306 is the arc structure, the outside of extrusion piece 306 and the inside contact of piece 302 that assembles, can effectual embedding impurity, and then grind impurity.

As shown in fig. 5, wherein the main body 1 includes: the inner plates 101 are of an L-shaped plate structure, the inner plates 101 are provided with two inner plates 101, the two inner plates 101 are respectively fixed on two sides of the main body 1, a T-shaped groove is formed in each inner plate 101 and communicated with the inside of the main body 1 for installing a baffle 106, so that the baffle 106 can seal the inside of the main body 1, two guide rods 102 are arranged at the top end of each inner plate 101, the top ends of the guide rods 102 are connected with the main body 1, a spring is sleeved on the outer side of each guide rod 102, the guide rods 102 can control the moving plate 105 to move in a guiding mode, the spring can push the moving plate 105 and the baffle 106 to continuously move downwards, and further the baffle 106 can automatically enhance the sealing effect; the main body 1 includes: the connecting grooves 103 are of circular ring structures, arc-shaped grooves are formed in the connecting grooves 103 and used for fixing the mounting part 2, the rear part 3 and the arc-shaped rings, so that the sealing effect can be better, two connecting grooves 103 are arranged, the two connecting grooves 103 are respectively arranged at two ends of the bottom of the main body 1, six fixing grooves 104 which are annularly arranged are formed in the outer end of each connecting groove 103, each fixing groove 104 is of a T-shaped structure and used for embedding and mounting the first fixture block 204 and the second fixture block 301, so that the fixing effect of the mounting part 2 and the rear part 3 can be respectively enhanced by the first fixture block 204 and the second fixture block 301, a V-shaped bulge is formed in each fixing groove 104 and used for being embedded into the V-shaped grooves of the first fixture block 204 and the second fixture block 301, and the fixing effect is better; the main body 1 further includes: the movable plate 105 is of a reversed-square-shaped plate-shaped structure and can be guided and displaced outside the main body 1, the movable plate 105 is sleeved outside the top end of the main body 1, two round holes are formed in two sides of the movable plate 105 respectively, a guide rod 102 is inserted into each round hole, the top end of the movable plate 105 is in contact with the bottom of a spring, two baffles 106 are arranged on two sides of the bottom of the movable plate 105 respectively, each baffle 106 is of a T-shaped structure, a rubber plate covers the outer side of each baffle 106, water can be sealed in the main body 1, the main body 1 can be disassembled for maintenance, the baffles 106 are arranged inside the inner plate 101, mounting blocks 107 are arranged at the front end and the rear end above the movable plate 105 respectively and can be used for mounting limit blocks 108, the limit blocks 108 can be pulled and moved, cross-shaped grooves are formed in the mounting blocks 107, the limit blocks 108 are embedded in the cross-shaped grooves, and are of L-shaped plate-shaped structures, the inner end of the limiting block 108 is inserted into the rectangular groove of the main body 1, two sides of the limiting block 108 are respectively provided with a stop block, the limiting block 108 can be moved by controlled guiding, the inner end of the limiting block 108 can be inserted into the slot of the main body 1, and therefore when the moving plate 105 is not used, the limiting and fixing can be achieved.

As shown in fig. 5 and 6, the mounting member 2 further includes: the inner part 201 is of a disc-shaped structure, water can effectively enter the inner part 201, the mounting part 2 is pulled, the inside of the right side of the inner part 201 is of an inclined structure, round holes which are uniformly distributed are formed in the inner part 201, water can pass through the inner part, meanwhile, the inner part 201 can be stressed to pull the mounting part 2, the inner part 201 is fixed on the left side of the mounting part 2, an inner rod 202 is arranged in the middle of the inside of the right end of the inner part 201, the inner rod 202 is of a cylindrical structure with a convex middle, a spring is sleeved on the outer side of the inner rod 202, the inner rod 202 can control the pressing part 203 to guide and move, and the spring can push the pressing part 203 to reset after the water stops; the mount 2 further includes: the pressing piece 203 is of a conical structure, a groove with a middle raised cylindrical structure is formed in the pressing piece 203, so that after the pressing piece 203 is pressed, a spring can be stored in the groove, the pressing piece 203 can effectively block a circular hole, and an inner rod 202 and the spring are inserted into the groove; the first fixture block 204, the first fixture block 204 is of a T-shaped structure, the first fixture block 204 is made of rubber, six fixture blocks 204 are arranged and fixed on the outer side of the mounting part 2 in an annular manner to reinforce the inside of the mounting part 2, and the six fixture blocks 204 are respectively embedded in the six fixing grooves 104 at the right end; the mount 2 further includes: the mounting groove 205 is of an L-shaped structure, two rectangular grooves are respectively arranged on two sides of the outer end of the mounting groove 205, six mounting grooves 205 are formed in total, the six mounting grooves 205 are annularly arranged at the right end of the mounting piece 2, an auxiliary groove 206 is arranged at the right end of each mounting groove 205, and the auxiliary groove 206 is of an L-shaped structure, so that the mounting grooves 205, the rectangular grooves and the auxiliary groove 206 can be used for mounting the pushing block 207, the rectangular plate and the L-shaped plate, and the pushing block 207 can be stably mounted; the mount 2 further includes: promote piece 207, it is L shaped plate column structure to promote piece 207, it is equipped with six altogether to promote piece 207, six promote piece 207 and insert respectively in the inside of six mounting grooves 205, the outer end both sides that promote piece 207 are equipped with two rectangular plates, the rectangular plate inserts inside the rectangular channel that promotes piece 207, the outer end right side that promotes piece 207 is equipped with an L shaped plate, the L shaped plate inserts the inside at supplementary groove 206, make after the atress groove 208 receives the impact of water, can make and promote piece 207 atress displacement, and then supplementary promotion extrusion installed part 2, make the sealed effect of installed part 2 better.

The specific use mode and function of the embodiment are as follows: in the invention, when the device is needed, the mounting part 2 can be controlled to be mounted in the connecting groove 103 on the right side of the main body 1, so that the first clamping block 204 can be embedded in the fixing groove 104 on the right side, then the back part 3 is controlled to be mounted in the connecting groove 103 on the left end, so that the second clamping block 301 can be embedded in the fixing groove 104 on the left side, then the main body 1 is controlled to be connected with a pipeline, when the main body 1 needs to be disassembled, cleaned and maintained, the limiting block 108 can be pulled to move outwards, the limiting block of the moving plate 105 can be released, the moving plate 105 can receive the power of a spring to move downwards, further the baffle 106 can receive the power to move downwards, so that the baffle 106 can seal and block water in the main body 1, so that water cannot be discharged when the main body 1 is disassembled, when water flows through the inside of the main body 1, the water can contact with the stressed groove 208 and the internal part 201 firstly, after the force-bearing groove 208 is stressed, the pushing block 207 can be controlled to move, so that the pushing block 207 can extrude the mounting piece 2, at the same time, the inner part 201 pulls the mounting part 2, so that the arc-shaped circular ring can be inserted into the gap in an auxiliary manner, so that the automatic water pressure automatically enhances the sealing effect, and simultaneously, the water impacts the pressing piece 203, so that the pressing piece 203 can compress the spring, thereby blocking a portion of the circular holes of the inner member 201, allowing water to be discharged through a small number of the circular holes, allowing water to be sprayed, allowing water to contact the auxiliary plate 305, and then passing the water through the filter plate, allowing impurities in the water to be filtered, upon impact of water with auxiliary plate 305, rotating ring 304 may be forced to rotate, thereby enabling the pressing block 306 and the rotating block 307 to rotate, and further enabling the pressing block 306 and the rotating block 307 to crush the filtered impurities, so that the pressing block 306 and the rotating block 307 can reduce the volume.

Finally, it should be noted that, when describing the positions of the components and the matching relationship between the components, the invention will be generally exemplified by one/a pair of components, however, it should be understood by those skilled in the art that such positions, matching relationship, etc. are also applicable to other components/other pairs of components.

The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.

Claims

1. A gate valve with automatically enhanced sealing, comprising:

a main body (1);

the main body (1) is a gate valve body, and the middle positions above the front end and the rear end of the main body (1) are respectively provided with an inserting groove;

installed part (2), the left side of installed part (2) is equipped with the arc ring, and inside installed part (2) and the embedding of arc ring at spread groove (103) and arc wall, installed part (2) including: the stress groove (208), the stress groove (208) is arranged at the right side of the inner end of the pushing block (207);

back spare (3), the right side of back spare (3) is equipped with the arc ring, and inside back spare (3) and the embedding of arc ring in spread groove (103) of left end, back spare (3) including: the outer side of the rotating block (307) is of an inclined structure, the left end of the rotating block (307) is in contact with the filter plate, a round hole is formed in the rotating block (307), a connecting rod (303) is inserted into the round hole, and the right side of the outer end of the rotating block (307) is connected with the left end of the extrusion block (306);

the main body (1) comprises: the connecting device comprises a connecting groove (103), wherein an arc-shaped groove is formed in the connecting groove (103), the connecting groove (103) is formed in the bottom of the main body (1), fixing grooves (104) which are annularly arranged are formed in the outer end of the connecting groove (103), and a V-shaped bulge is formed in the fixing groove (104);

the mounting (2) further comprises: the inner part (201) is of an inclined structure in the right side of the inner part (201), round holes which are uniformly arranged are formed in the inner part (201), the inner part (201) is fixed on the left side of the mounting part (2), and an inner rod (202) is arranged in the middle of the inner part at the right end of the inner part (201);

the mounting (2) further comprises: the pressing piece (203), the inside of the pressing piece (203) is provided with a groove with a middle raised cylindrical structure, and an inner rod (202) and a spring are inserted into the groove;

the first clamping blocks (204) are annularly arranged and fixed on the outer side of the mounting part (2), and the first clamping blocks (204) are embedded in the fixing grooves (104) at the right end;

the mount (2) further comprises: the mounting groove (205) is of an L-shaped structure, two rectangular grooves are respectively formed in two sides of the outer end of the mounting groove (205), the mounting groove (205) is annularly arranged at the right end of the mounting piece (2), and an auxiliary groove (206) is formed in the right end of the mounting groove (205);

the mount (2) further comprises: the pushing block (207) is inserted into the mounting groove (205), rectangular plates are arranged on two sides of the outer end of the pushing block (207), the rectangular plates are inserted into the rectangular grooves of the pushing block (207), an L-shaped plate is arranged on the right side of the outer end of the pushing block (207), and the L-shaped plate is inserted into the auxiliary groove (206).

2. The gate valve of claim 1 with automatically enhanced sealing effect, wherein: the main body (1) comprises: the spring-loaded anti-theft door comprises an inner plate (101), wherein the inner plate (101) is fixed on the outer side of a main body (1), a T-shaped groove is formed in the inner plate (101), the T-shaped groove is communicated with the inside of the main body (1), a guide rod (102) is arranged at the top end of the inner plate (101), the top end of the guide rod (102) is connected with the main body (1), and a spring is sleeved on the outer side of the guide rod (102).

3. The gate valve of claim 1 with automatically enhanced sealing effect, wherein: the main body (1) further comprises: the movable plate (105), the top outside of main part (1) is overlapped in movable plate (105), the bottom of movable plate (105) is equipped with baffle (106), the outside of baffle (106) covers there is the rubber slab, the inside at inner panel (101) is installed in baffle (106), the top of movable plate (105) is equipped with installation piece (107), the inside of installation piece (107) is equipped with cross-shaped groove, stopper (108) are installed to the inside embedding in cross-shaped groove, the inner of stopper (108) inserts inside the slot of main part (1), the both sides of stopper (108) are equipped with a dog respectively.

4. The gate valve of claim 1 with automatically enhanced sealing effect, wherein: the back piece (3) further comprises: the outer side of the second clamping block (301) is provided with a V-shaped groove, the second clamping block (301) is annularly arranged and fixed on the outer side of the rear part (3), and the second clamping block (301) is embedded into the fixing groove (104) at the left end;

converge piece (302), converge piece (302) and install the left side at back piece (3) through six rectangular plates, the left end inside that converges piece (302) is equipped with the filter, and the right side intermediate position of filter is equipped with connecting rod (303), and the right-hand member of connecting rod (303) is the toper structure.

5. The gate valve of claim 1 with automatically enhanced sealing effect, wherein: the back piece (3) further comprises: the rotating ring (304), the rotating ring (304) suit is in the outside of connecting rod (303), and the outside of rotating ring (304) is equipped with auxiliary plate (305) of cyclic annular arrangement, and the outer end of auxiliary plate (305) is equipped with extrusion piece (306), and the outside of extrusion piece (306) is the arc structure, and the outside of extrusion piece (306) and the inside contact of converging piece (302).