CN216242847U - Flat plate reciprocating control fluid on-off device - Google Patents

Abstract

The utility model provides a flat plate reciprocating control fluid on-off device, which comprises: the valve body is provided with a push plate in a sliding way; the push plate is provided with a through groove, the valve body is provided with an outer pipeline connecting joint, and sealing elements are installed on two sides of the push plate in a contact mode; the push plate is provided with a first switch position and a second switch position, and when the push plate slides to the first switch position, the through groove is communicated with the connecting joint of the outer pipeline to form a flow guide channel; and when the push plate slides to the second switch position, the through groove is blocked by the connecting joint of the outer pipeline. The flat plate reciprocating control fluid on-off device has simple structure and low production cost; the sealing performance is good, and leakage is prevented; the fluid can be controlled to be on and off by pushing the push plate, and the control is convenient.

Description

Flat plate reciprocating control fluid on-off device

Technical Field

The utility model relates to the field of fluid control, in particular to a flat plate reciprocating control fluid on-off device.

Background

In production life, there is often a need to break and circulate the fluid. The existing method for controlling the on-off of the fluid basically adopts a cut-off piece to cut off and open the flow, namely, a passage between the high liquid level end and the low liquid level end is cut off by the cut-off piece during the flow cutting, the cut-off piece is released during the flow opening, and the passage between the high liquid level end and the low liquid level end is opened. The common valve utilizes the principle to realize the fluid cut-off and flow opening, and the cut-off piece in the valve is also the valve core.

Some current fluid on-off devices, the structure is complicated, and manufacturing cost is higher, and the maintenance cost is high. The internal structure leakproofness is poor, the problem of leaking appears easily, and fluid on-off control complex operation uses inconveniently. Therefore, a flat plate reciprocating control fluid on-off device which is simple in structure, low in production cost, good in sealing performance and convenient to control needs to be designed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The technical problem to be solved by the utility model is to provide a flat plate reciprocating control fluid on-off device with simple structure, which has low production cost; the sealing performance is good, and leakage is prevented; the fluid on-off can be controlled by pushing the push plate, the control is convenient, and the push plate is suitable for manual fluid on-off devices.

(II) technical scheme

In order to solve the above technical problem, the present invention provides a flat plate reciprocating control fluid on-off device, comprising: the valve body is provided with a push plate in a sliding way; the push plate is provided with a through groove, the valve body is provided with an outer pipeline connecting joint, and sealing elements are installed on two sides of the push plate in a contact mode; the push plate is provided with a first switch position and a second switch position, and when the push plate slides to the first switch position, the through groove is communicated with the connecting joint of the outer pipeline to form a flow guide channel; when the push plate slides to the second switch position, the through groove is blocked by the connecting joint of the outer pipeline, and the control is convenient. The sealing element may be a single seal or an assembly.

According to the device for controlling the on-off of the fluid in the reciprocating manner by the flat plate, the push plate can be dustproof in the first switch position and the second switch position through the push plate dustproof clamping sleeve, and the using effect is good; the structure is simple, and the production cost is low; the sealing performance is good, and leakage is prevented; the fluid can be controlled to be on or off by pushing the push plate, so that the control is convenient; the side end of the connecting joint of the outer pipeline abuts against the sealing element, the sealing element is pushed to the side end of the push plate and contacts with the side end of the push plate, the sealing effect is good, and leakage is prevented; the outer pipeline connecting joint is a threaded joint or a tube-inserting type joint, is convenient to disassemble and assemble and is suitable for various occasions; the stop part is arranged, so that the push plate can be limited when sliding to the first switch position and the second switch position, and the use is reliable; the push plate dustproof clamping sleeve is arranged to prevent dust and mud from being accumulated on the extending part, so that the push plate is kept in a clean state and can slide up and down smoothly; the connecting piece is the rope, and use cost is low, prevents that the dustproof cutting ferrule of push pedal from losing, uses reliably, can select the dustproof cutting ferrule of supporting push pedal according to the installation occasion, and supporting flexibility reduces manufacturing cost.

Furthermore, the sealing element is arranged between the push plate and the outer pipeline connecting joint, the outer pipeline connecting joint is provided with a through hole, and the outer pipeline connecting joint comprises a first outer pipeline connecting joint and a second outer pipeline connecting joint which are arranged at two ends of the valve body; the push plate slides along the radial direction of the valve body, the sealing effect is good, and leakage is prevented.

Further, sealing element includes that the elastic sealing fills up and the sealed body seat, the sealed body seat sets up elastic sealing fills up one side, elastic sealing fills up and is O shape sealing washer or rectangle sealing washer. The sealing element further comprises an elastic sealing body, and the sealing body seat is arranged between the elastic sealing body and the elastic sealing gasket; the sealing effect is good.

Further, the elastic sealing body is close to sealing body seat one side is equipped with the bellying, sealing body seat be equipped with the first mounting groove that the bellying corresponds, sealing body seat is equipped with and is used for the installation the sealed second mounting groove of pad, structural stability is good for the installation of pad is sealed firmly, promotes sealing performance. The elastic sealing body is provided with a convex sealing part, and the convex sealing part is in contact sealing with the side end face of the outer pipeline connecting joint, so that the sealing effect is good.

Furthermore, the push plate is provided with a stopping part, and the stopping part comprises an upper stopping part and a lower stopping part; the upper stop part is an upper bending part, the lower stop part is a lower bending part, and one end of the push plate is inserted onto the valve body and then bent to form the upper bending part; the lower bending part is arranged at one end, far away from the upper bending part, of the push plate. The stopping part plays a role in limiting, can also be set as a protrusion with a limiting function, and is reliable to use. The stopping part enables the push plate to be limited when sliding to the first switch position and the second switch position.

Further, outer pipeline connection connects for detachable joint or with valve body integrated into one piece, detachable connects for screw thread type joint or intubate formula joint, the link of screw thread type joint is equipped with interior or external screw thread. Easy dismounting is applicable to multiple occasion.

Furthermore, the sealing element is installed on the sealing rubber surface of the side end of the push plate or the elastic sealing ring installed on the end surface of the connecting end of the outer pipeline connecting joint, the end surface of the connecting end is provided with an annular installation groove for placing the elastic sealing ring, the installation is stable, and the sealing performance is improved. The side end of the outer pipeline connecting joint is in contact with the sealing rubber surface for sealing, and the sealing effect is good.

Furthermore, sealing element is equipped with the perforating hole, the perforating hole through the groove with the through-hole switches on the back and forms the water conservancy diversion passageway, sealing element is the elastomer, elastomer one end with outer pipeline attach fitting contact, the elastomer other end with the push pedal contact, outer pipeline attach fitting pushes away the elastomer to push pedal side department contact sealing, and is sealed effectual.

Further, the seal body seat is embedded to be installed the elasticity seal is close to the one end of push pedal, the elastic sealing pad is embedded to be installed the seal body seat is close to the one end of push pedal, compact structure, sealing capacity is strong.

Furthermore, the push plate is provided with an extension part, the extension part is clamped with a separable push plate dustproof clamping sleeve, the push plate dustproof clamping sleeve is provided with a clamping groove corresponding to the extension part, two ends of the clamping groove are arranged in a through mode, an elastic clamping inlet corresponding to the push plate is formed in the side end of the push plate dustproof clamping sleeve, the push plate dustproof clamping sleeve is connected with the valve body through a connecting piece, the push plate dustproof clamping sleeve is provided with a mounting hole used for mounting the connecting piece, the connecting piece is a rope, the rope is sleeved on the valve body, the use cost of the rope is low, the push plate dustproof clamping sleeve is prevented from being lost, the use is reliable, and the matched push plate dustproof clamping sleeve can be selected according to the mounting occasion; some cleaner occasions do not need to be matched with the dustproof clamping sleeve of the push plate, so that the matching is flexible, and the production cost is reduced. The dustproof cutting ferrule of push pedal is made for sheet metal (for example, iron sheet etc.) or other sheet material processing, through elasticity card entry with the dustproof cutting ferrule of push pedal and push pedal extension block, plays dustproof effect, prevents the deposition mud on the extension for the push pedal keeps clean state, makes the push pedal slide smoothly from top to bottom. When the push plate slides downwards to the first switch position, the extending part is arranged at the lower end of the push plate, and the push plate dustproof clamping sleeve is clamped with the extending part at the lower end of the push plate; before the push plate slides, the push plate dustproof clamping sleeve is taken down, when the push plate slides upwards to a second switch position, the extending part is arranged at the upper end of the push plate, and the push plate dustproof clamping sleeve is clamped with the extending part at the upper end of the push plate; the push plate can be prevented dust through the dustproof clamping sleeve of the push plate at the first switch position and the second switch position, and the using effect is good. The dustproof clamping sleeve for the push plate has the function of stopping the push plate for limitation, prevents the push plate from being mistakenly pushed by non-artificial external force factors in certain occasions, and is reliable to use.

Furthermore, the sealing element comprises an elastic sealing gasket and a sealing body seat, an elastic piece is arranged between the outer pipeline connecting joint and the sealing element, one end of the elastic piece abuts against the outer pipeline connecting joint, and the other end of the elastic piece abuts against the sealing body seat. A first sealing ring is arranged between the outer pipeline connecting joint and the valve body, and a second sealing ring is arranged between the sealing body seat and the valve body, so that the sealing effect is good; the outer pipeline connector is provided with a boss for mounting the elastic piece, and the sealing body seat is provided with a groove for mounting the elastic piece, so that the installation is stable. When the sealing device is used, the outer pipeline connecting joint pushes the sealing element to one side of the push plate through the elastic piece and contacts and seals the push plate, so that the sealing effect is good; the precision requirement of the distance size between the outer pipeline connecting joint and the sealing element is low, and the processing and assembling cost is low; the elastic component in the technical scheme is a spring.

(III) advantageous effects

The flat plate reciprocating control fluid on-off device has simple structure and low production cost; the sealing performance is good, and leakage is prevented; the fluid can be controlled to be on or off by pushing the push plate, so that the control is convenient; the side end of the connecting joint of the outer pipeline abuts against the sealing element, the sealing element is pushed to the side end of the push plate and contacts with the side end of the push plate, the sealing effect is good, and leakage is prevented; the outer pipeline connecting joint is a threaded joint or a tube-inserting type joint, is convenient to disassemble and assemble and is suitable for various occasions; the stop part is arranged, so that the push plate can be limited when sliding to the first switch position and the second switch position, and the use is reliable; the push plate can both prevent dust through the dustproof cutting ferrule of push plate in first switch position and second switch position, excellent in use effect.

Drawings

FIG. 1 is a cross-sectional view of a first embodiment of a plate reciprocating control fluid on-off device according to the present invention;

FIG. 2 is a schematic structural diagram of an external pipeline connection joint according to an embodiment of the flat plate reciprocating control fluid on-off device of the present invention;

FIG. 3 is a schematic structural view of an elastic sealing body according to an embodiment of the flat plate reciprocating control fluid on-off device of the present invention;

FIG. 4 is a schematic structural diagram of a seal body seat of an embodiment of the flat plate reciprocating control fluid on-off device of the present invention;

FIG. 5 is a schematic view of the structure of a push plate of the flat plate reciprocating control fluid on-off device of the present invention;

FIG. 6 is a schematic structural view of a push plate dust-proof ferrule of the flat plate reciprocating control fluid on-off device of the present invention;

FIG. 7 is a schematic structural diagram of a connection joint of two external pipes according to an embodiment of the flat plate reciprocating control fluid on-off device of the present invention;

FIG. 8 is a schematic structural diagram of a three-external-pipe connection joint of an embodiment of the flat plate reciprocation control fluid on-off device of the present invention;

FIG. 9 is a schematic structural diagram of a fourth embodiment of the flat plate reciprocation control fluid on-off device of the present invention;

FIG. 10 is a schematic structural diagram of a fifth embodiment of the flat plate reciprocation control fluid on-off device according to the present invention;

FIG. 11 is a schematic structural view of a sixth embodiment of the flat plate reciprocation control fluid on-off device according to the present invention;

FIG. 12 is a schematic structural diagram of a seventh embodiment of the flat plate reciprocation control fluid on-off device of the present invention;

FIG. 13 is a schematic structural view of an eighth embodiment of the flat plate reciprocation control fluid on-off device of the present invention;

FIG. 14 is a schematic structural diagram of a ninth embodiment of the flat plate reciprocation control fluid on-off device of the present invention;

FIG. 15 is a schematic structural diagram of a tenth embodiment of the flat plate reciprocation control fluid on-off device of the present invention;

wherein: 1 is a valve body, 101 is a flow guide channel, 2 is a sealing element, 201 is a through hole, 3 is a push plate, 301 is a through groove, 302 is an upper stop part, 303 is a lower stop part, 304 is an extension part, 4 is an elastic sealing body, 401 is a bulge part, 403 is a bulge sealing part, 5 is an elastic sealing gasket, 6 is a sealing body seat, 601 is a first installation groove, 602 is a second installation groove, 7 is an outer pipeline connecting joint, 701 is a through hole, 702 is a connecting end, 703 is an annular installation groove, 711 is a first outer pipeline connecting joint, 712 is a second outer pipeline connecting joint, 8 is a connecting piece, 9 is a push plate dustproof clamping sleeve, 901 is a clamping groove, 902 is an elastic clamping inlet, 903 is an installation hole, 10 is a first sealing ring, 11 is a second sealing ring, 12 is an elastic piece, 13 is a boss, 14 is a groove, 15 is an adjusting pipe, 16 is an inner joint thread, 17 is an adjusting pipe outer thread, 18 is a third sealing ring, a first sealing ring, a second sealing ring is a second sealing ring, a second sealing ring is a sealing ring, a sealing ring is a sealing ring, a sealing ring is formed in a sealing ring, and a sealing ring is formed in a sealing ring, and a sealing ring is formed between the sealing ring, and a sealing ring is formed between the sealing ring, and a sealing ring is formed between the sealing ring, and a sealing ring is formed between the, And 19 is a joint external thread.

Detailed Description

The first embodiment is as follows:

referring to fig. 1 to 6, a flat plate reciprocation control fluid on-off device according to an embodiment of the present invention includes: a push plate 3 is slidably mounted on the valve body 1; the push plate 3 is provided with a through groove 301, the valve body 1 is provided with an outer pipeline connecting joint 7, and two sides of the push plate 3 are provided with sealing elements 2 in a contact manner; the push plate 3 is provided with a first switch position and a second switch position, and when the push plate 3 slides to the first switch position, the through groove 301 is communicated with the outer pipeline connecting joint 7 to form a diversion channel 101; when the push plate 3 slides to the second switch position, the through groove 301 is blocked from the external pipeline connecting joint 7, so that the control is convenient. In the embodiment, the valve body 1, the sealing element 2 and the external pipeline connecting joint 7 are all revolving body parts. The valve body 1, the sealing member 2 and the outer pipe connection joint 7 may be formed as non-rotating body parts such as rectangular parallelepiped. The sealing element may be a single seal or an assembly.

The utility model relates to a flat plate reciprocating control fluid on-off device, which is suitable for a manual fluid on-off device; the connecting piece is a rope, so that the use cost is low, the push plate dustproof clamping sleeve is prevented from being lost, the use is reliable, the matched push plate dustproof clamping sleeve can be selected according to the installation occasion, the matching is flexible, and the production cost is reduced; the push plate can be dustproof through the push plate dustproof clamping sleeve at the first switch position and the second switch position, and the using effect is good; the structure is simple, and the production cost is low; the sealing performance is good, and leakage is prevented; the fluid can be controlled to be on or off by pushing the push plate, so that the control is convenient; the side end of the connecting joint of the outer pipeline abuts against the sealing element, the sealing element is pushed to the side end of the push plate and contacts with the side end of the push plate, the sealing effect is good, and leakage is prevented; the outer pipeline connecting joint is a threaded joint or a tube-inserting type joint, is convenient to disassemble and assemble and is suitable for various occasions; the stop part is arranged, so that the push plate can be limited when sliding to the first switch position and the second switch position, and the use is reliable; be equipped with the dustproof cutting ferrule of push pedal, prevent deposition mud on the extension for the push pedal keeps clean state, makes the push pedal slide from top to bottom smoothly.

Referring to fig. 1, the sealing element 2 is arranged between the push plate 3 and the outer pipeline connecting joint 7, one end of the sealing element 2 is in contact sealing with the push plate 3, and the other end of the sealing element 2 is in contact sealing with the outer pipeline connecting joint 7; the outer pipeline connecting joint 7 is provided with a through hole 701, and the outer pipeline connecting joint 7 comprises a first outer pipeline connecting joint 711 and a second outer pipeline connecting joint 712 which are arranged at two ends of the valve body 1; the push plate 3 slides along the radial direction of the valve body 1, the sealing effect is good, and leakage is prevented. The sealing element 2 comprises an elastic sealing gasket 5 and a sealing body seat 6, the sealing body seat 6 is arranged on one side of the elastic sealing gasket 5, the elastic sealing gasket 5 is an O-shaped sealing ring or a rectangular sealing ring, and other special-shaped sealing rings can also be adopted. The sealing element 2 further comprises an elastic sealing body 4, and a sealing body seat 6 is arranged between the elastic sealing body 4 and the elastic sealing gasket 5; the sealing effect is good.

Referring to fig. 1, 3 and 4, the elastic sealing body 4 is provided with a protruding portion 401 near one side of the sealing body seat 6, the sealing body seat 6 is provided with a first mounting groove 601 corresponding to the protruding portion 401, the sealing body seat 6 is provided with a second mounting groove 602 for mounting the elastic sealing gasket 5, the structural stability is good, the elastic sealing gasket 5 is stably mounted, and the sealing performance is improved. The elastic sealing body 4 is provided with a convex sealing part 403, and the convex sealing part 403 is in contact sealing with the side end surface of the external pipeline connecting joint 7, so that the sealing effect is good.

Referring to fig. 1 and 5, the push plate 3 is provided with a stopping portion, which includes an upper stopping portion 302 and a lower stopping portion 303; the upper stopping part 302 is an upper bending part, the lower stopping part 303 is a lower bending part, and one end of the push plate 3 is inserted onto the valve body 1 and then bent to form an upper bending part; the lower bending part is arranged at one end of the push plate 3 far away from the upper bending part. The stopping part has a limiting effect, can also be set as a protrusion with the limiting effect, and is reliable to use. The stopping part enables the push plate to be limited when sliding to the first switch position and the second switch position. The outer pipeline connecting joint 7 is a detachable thread type joint, the connecting end 702 of the thread type joint is provided with an external thread for connecting a valve body, and the valve body is provided with an internal thread corresponding to the external thread; easy dismounting is applicable to multiple occasion. The upper bending part and the lower bending part can be bent to the left side or the right side according to requirements, and the use is flexible. When the push plate slides downwards to the first switch position, the upper bending part is abutted against the outer wall of the valve body; when the push plate slides upwards to the second switch position, the lower bending part is abutted against the outer wall of the valve body. The sealing element is provided with a through hole 201, and the through hole 201, the through groove 301 and the through hole 701 are conducted to form a flow guide channel 101.

Referring to fig. 1, 5 and 6, the push plate 3 is provided with an extension portion 304, the extension portion 304 is clamped with a separable push plate dustproof clamping sleeve 9, the push plate dustproof clamping sleeve 9 is provided with a clamping groove 901 corresponding to the extension portion 304, two ends of the clamping groove 901 are arranged in a penetrating manner, the side end of the push plate dustproof clamping sleeve 9 is provided with an elastic clamping inlet 902 corresponding to the push plate 3, the push plate dustproof clamping sleeve 9 is connected with the valve body 1 through a connecting piece 8, the push plate dustproof clamping sleeve 9 is provided with a mounting hole 903 for mounting the connecting piece 8, the connecting piece 8 is a rope, the rope is sleeved on the valve body 1, the use cost of the rope is low, the push plate dustproof clamping sleeve 9 is prevented from being lost, the use is reliable, and the matched push plate dustproof clamping sleeve 9 can be selected according to the mounting occasion; some cleaner occasions do not need the supporting dustproof clamping sleeve 9 of the push plate, the supporting is flexible, and the production cost is reduced. The dustproof cutting ferrule 9 of push pedal is made for sheet metal (for example, iron sheet etc.) or other sheet material processing, through elasticity card entry 902 with the dustproof cutting ferrule 9 of push pedal and push pedal extension block, plays dustproof effect, prevents the deposition mud on the extension 304 for the push pedal keeps clean state, makes the push pedal slide smoothly from top to bottom. When the push plate slides downwards to the first switch position, the extending part is arranged at the lower end of the push plate, and the push plate dustproof clamping sleeve 9 is clamped with the extending part at the lower end of the push plate; before the push plate slides, the push plate dustproof clamping sleeve 9 is taken down, when the push plate slides upwards to a second switch position, the extending part is arranged at the upper end of the push plate, and the push plate dustproof clamping sleeve 9 is clamped with the extending part at the upper end of the push plate; the push plate can be prevented dust through the push plate dust-proof clamping sleeve 9 at the first switch position and the second switch position, and the using effect is good. The dustproof clamping sleeve for the push plate has the function of stopping the push plate for limitation, prevents the push plate from being mistakenly pushed by non-artificial external force factors in certain occasions, and is reliable to use.

Example two:

referring to fig. 7, the difference between the second embodiment and the first embodiment is: the link 702 of screw thread type joint is equipped with the internal thread for connect the valve body, the valve body is equipped with the external screw thread that corresponds with the internal thread, easy dismounting.

Example three:

referring to fig. 8, the difference between the third embodiment and the first embodiment is: the outer pipeline connecting joint 7 is a pipe inserting type joint and is convenient to disassemble and assemble.

Example four:

referring to fig. 9, the difference between the fourth embodiment and the first embodiment is: the sealing element 2 is a sealing rubber surface arranged at the side end of the push plate 3, and the side end of the outer pipeline connecting joint 7 is in contact with the sealing rubber surface for sealing, so that the sealing effect is good.

Example five:

referring to fig. 10, the difference between the fifth embodiment and the first embodiment is: sealing element 2 is for installing the elastic sealing ring on the link 702 terminal surface of outer pipeline attach fitting 7, and link 702 terminal surface is equipped with the annular mounting groove 703 that is used for placing elastic sealing ring, and the installation is firm, promotes sealing performance.

Example six:

referring to fig. 11, the difference between the sixth embodiment and the first embodiment is: sealing element 2 is the elastomer, and elastomer one end and outer pipeline attach fitting 7 contact, and the elastomer other end and push pedal 3 contact, and outer pipeline attach fitting 7 pushes away the elastomer to 3 side departments contact sealings of push pedal 3, and is sealed effectual.

Example seven:

referring to fig. 12, the seventh embodiment differs from the first embodiment in that: one end of the elastic sealing body 4 is in contact sealing with the side end of the outer pipeline connecting joint 7, the other end of the elastic sealing body 4 is in contact sealing with the side end of the push plate 3, and the side end of the elastic sealing gasket 5 is in contact sealing with the side end of the push plate 3; the one end that 4 is close to push pedal 3 at the elastic seal body seat of embedded installation of sealed body seat 6, and the one end that 6 is close to push pedal 3 at sealed body seat of embedded installation of elastic seal pad 5, compact structure, sealing capacity is strong.

Example eight:

referring to fig. 13, the difference between the eighth embodiment and the first embodiment is: the sealing element comprises an elastic sealing gasket 5 and a sealing body seat 6, an elastic piece 12 is arranged between the outer pipeline connecting joint 7 and the sealing element, one end of the elastic piece 12 abuts against the outer pipeline connecting joint 7, and the other end of the elastic piece 12 abuts against the sealing body seat 6. A first sealing ring 10 is arranged between the outer pipeline connecting joint 7 and the valve body 1, and a second sealing ring 11 is arranged between the sealing body seat 6 and the valve body 1, so that the sealing effect is good; the outer pipeline connecting joint 7 is provided with a boss 13 for installing the elastic piece 12, and the sealing body seat 6 is provided with a groove 14 for installing the elastic piece 12, so that the installation is stable. When the sealing device is used, the outer pipeline connecting joint 7 pushes the sealing element to one side of the push plate 3 through the elastic piece 12 and contacts and seals the sealing element, so that the sealing effect is good; the precision requirement of the distance size between the outer pipeline connecting joint 7 and the sealing element is low, and the processing and assembling cost is low; the elastic member 12 is a spring in this embodiment.

Example nine:

referring to fig. 14, the ninth embodiment differs from the eighth embodiment in that: the second external pipeline connecting joint 712 and the right end of the valve body 1 are integrally formed, so that the structure is simpler; the sealing element on the right side of the push plate comprises an elastic sealing gasket 5 and a sealing body seat 6, an adjusting pipe 15 is installed in an internal thread hole of the second external pipeline connecting joint 712, and the adjusting pipe 15 is screwed to push the sealing element to the left side of the push plate and contact with the right side of the push plate for sealing. The left end of the adjusting pipe 15 is abutted against the right side of the sealing body seat 6. The outer wall of the adjusting pipe 15 is provided with adjusting pipe external threads 17 corresponding to the second outer pipeline connecting joint internal threads 16, and a third sealing ring 18 is arranged between the sealing body seat 6 and the adjusting pipe 15, so that the sealing effect is good. The second external pipe connecting joint 712 is provided with a joint internal thread 16 and a joint external thread 19, and a user can select one of the two threads to install; the second external pipeline connecting joint 712 is connected with the external pipeline through the joint internal thread 16 or the joint external thread 19, and the installation is flexible.

Example ten:

referring to fig. 15, the tenth embodiment is different from the fifth embodiment in that: the second external pipeline connecting joint 712 and the right end of the valve body 1 are integrally formed, so that the structure is simpler; the sealing element on the right side of the push plate comprises an elastic sealing gasket 5 and a sealing body seat 6, a second sealing ring 11 is arranged between the sealing body seat 6 and the valve body 1, an elastic part 12 is arranged between the second outer pipeline connecting joint 712 and the sealing body seat 6, and the elastic part 12 is a spring. One end of the elastic part 12 abuts against the second external pipeline connecting joint 712, the other end of the elastic part 12 abuts against the side end of the sealing body seat 6, the elastic part 12 pushes the sealing element on the right side of the push plate 3 to the right side of the push plate 3 and contacts and seals, and the sealing effect is good. The second external pipe connecting joint 712 can be connected with the external pipe through the joint internal thread 16 or the joint external thread 19, and the installation is flexible.

The flat plate reciprocating control fluid on-off device is provided with the push plate dustproof clamping sleeve, so that dust and mud are prevented from being accumulated on the extending part, the push plate is kept in a clean state, and the push plate slides up and down smoothly; the connecting piece is a rope, so that the use cost is low, the push plate dustproof clamping sleeve is prevented from being lost, the use is reliable, the matched push plate dustproof clamping sleeve can be selected according to the installation occasion, the matching is flexible, and the production cost is reduced; the push plate can be dustproof through the push plate dustproof clamping sleeve at the first switch position and the second switch position, and the using effect is good; the structure is simple, and the production cost is low; the sealing performance is good, and leakage is prevented; the fluid can be controlled to be on or off by pushing the push plate, so that the control is convenient; the side end of the connecting joint of the outer pipeline abuts against the sealing element, the sealing element is pushed to the side end of the push plate and contacts with the side end of the push plate, the sealing effect is good, and leakage is prevented; the outer pipeline connecting joint is a threaded joint or a tube-inserting type joint, is convenient to disassemble and assemble and is suitable for various occasions; the stop part is arranged, so that the push plate can be limited when sliding to the first switch position and the second switch position, and the use is reliable.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims (11)

1. A flat plate reciprocating control fluid on-off device comprising: the valve body (1) is characterized in that a push plate (3) is arranged on the valve body (1) in a sliding manner; the push plate (3) is provided with a through groove (301), the valve body (1) is provided with an outer pipeline connecting joint (7), and two sides of the push plate (3) are provided with sealing elements (2) in a contact manner; the push plate (3) is provided with a first switch position and a second switch position, and when the push plate (3) slides to the first switch position, the through groove (301) is communicated with the outer pipeline connecting joint (7) to form a flow guide channel (101); when the push plate (3) slides to the second switch position, the through groove (301) is blocked by the outer pipeline connecting joint (7).

2. The flat plate reciprocating control fluid on-off device as claimed in claim 1, wherein the sealing member (2) is disposed between the push plate (3) and the outer pipe connection joint (7), the outer pipe connection joint (7) is provided with a through hole (701), the outer pipe connection joint (7) comprises a first outer pipe connection joint (711) and a second outer pipe connection joint (712) disposed at both ends of the valve body (1); the push plate (3) slides along the radial direction of the valve body (1).

3. The flat plate reciprocating control fluid on-off device according to claim 1, wherein the sealing element (2) comprises an elastic sealing gasket (5) and a sealing body seat (6), the sealing body seat (6) is arranged on one side of the elastic sealing gasket (5), and the elastic sealing gasket (5) is an O-shaped sealing ring or a rectangular sealing ring.

4. The flat plate reciprocating control fluid on-off device according to claim 3, wherein the sealing element (2) further comprises an elastic sealing body (4), and the sealing body seat (6) is disposed between the elastic sealing body (4) and the elastic sealing gasket (5).

5. The flat plate reciprocating control fluid on-off device as claimed in claim 4, wherein the elastic sealing body (4) is provided with a convex portion (401) at a side close to the sealing body seat (6), the sealing body seat (6) is provided with a first mounting groove (601) corresponding to the convex portion (401), the sealing body seat (6) is provided with a second mounting groove (602) for mounting the elastic sealing gasket (5), and the elastic sealing body (4) is provided with a convex sealing portion (403).

6. The flat plate reciprocating fluid on-off device as claimed in claim 1, wherein the push plate (3) is provided with a stopper comprising an upper stopper (302) and a lower stopper (303).

7. The flat plate reciprocating control fluid on-off device according to claim 1, wherein the external pipe connection joint (7) is a detachable joint or is integrally formed with the valve body (1), and the detachable joint is a screw type joint or a bayonet type joint.

8. The flat plate reciprocating control fluid on-off device according to claim 1, wherein the sealing element (2) is a sealing rubber surface mounted at the side end of the push plate (3);

or the elastic sealing ring is arranged on the end face of the connecting end (702) of the outer pipeline connecting joint (7), and the end face of the connecting end (702) is provided with an annular mounting groove (703) for placing the elastic sealing ring.

9. The flat plate reciprocating control fluid on-off device according to claim 2, wherein the sealing element (2) is provided with a through hole (201), the through groove (301) and the through hole (701) are communicated to form the flow guide channel (101), the sealing element (2) is an elastic body, one end of the elastic body is in contact with the external pipeline connecting joint (7), and the other end of the elastic body is in contact with the push plate (3).

10. The flat plate reciprocating control fluid on-off device as claimed in claim 4, wherein the sealing body seat (6) is installed in-line at one end of the elastic sealing body (4) close to the push plate (3), and the elastic sealing gasket (5) is installed in-line at one end of the sealing body seat (6) close to the push plate (3); the push plate (3) is provided with an extension part (304).

11. The flat plate reciprocating control fluid on-off device according to claim 4, wherein the sealing element (2) comprises an elastic sealing gasket (5) and a sealing body seat (6), an elastic member (12) is arranged between the outer pipeline connecting joint (7) and the sealing element (2), one end of the elastic member (12) is abutted against the outer pipeline connecting joint (7), and the other end of the elastic member (12) is abutted against the sealing body seat (6); the outer pipeline connecting joint (7) and be equipped with first sealing washer (10) between valve body (1), be equipped with second sealing washer (11) between sealing body seat (6) and valve body (1).

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