CN218761634U - Pressure reducing valve structure device with sealing function - Google Patents

Abstract

The utility model belongs to the technical field of the relief pressure valve, especially, relate to a relief pressure valve constructional device of sealed function, including relief pressure valve body, be located valve joint and pipe joint on the relief pressure valve body, be equipped with the connecting block that central trompil and cross-section are the rectangle between valve joint and the pipe joint, the sealed slot that reduces gradually from the outside-in diameter is all seted up to valve joint and pipe joint interface inner wall, the equal fixedly connected with in both ends and the sealed inserted block of sealed slot shape assorted about the pipe joint, sealed inserted block all inserts in the sealed slot that corresponds and the outer end all overlaps and is equipped with a plurality of evenly distributed's sealing washer. The utility model provides the high leakproofness that relief pressure valve connects reduces the influence of ambient temperature to its production, and conveniently overhauls and installation work.

Description

Pressure reducing valve structure device with sealing function

Technical Field

The utility model relates to a relief valve technical field especially relates to a relief pressure valve constructional device of sealed function.

Background

The pressure reducing valve is a valve which reduces the inlet pressure to a certain required outlet pressure through regulation and leads the outlet pressure to be automatically kept stable by relying on the energy of the medium. From the viewpoint of hydrodynamics, the pressure reducing valve is a throttling element with variable local resistance, namely, the flow speed and the kinetic energy of fluid are changed by changing the throttling area to cause different pressure losses, thereby achieving the purpose of pressure reduction.

Most of the existing connections between the pressure reducing valve and the pipeline are flange connections, the sealing performance of a single sealing ring between two pipeline joints is only achieved, when corrosive gas or liquid flows, the service life of the sealing ring is short, frequent replacement is needed, flange type installation and dismounting are complex, replacement efficiency is affected, the sealing effect of the joint is easily affected by external temperature, and leakage of dangerous gas or liquid is easily caused.

Therefore, we propose a pressure reducing valve structure device with a sealing function to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a pressure reducing valve structure device with a sealing function.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a pressure reducing valve structure device with a sealing function comprises a pressure reducing valve body, a valve joint and a pipeline joint, wherein the valve joint and the pipeline joint are positioned on the pressure reducing valve body, a connecting block with a central hole and a rectangular cross section is arranged between the valve joint and the pipeline joint, sealing slots with diameters gradually reduced from outside to inside are formed in the inner walls of the valve joint and the pipeline joint, sealing inserting blocks matched with the sealing slots in shape are fixedly connected to the left end and the right end of the pipeline joint, the sealing inserting blocks are inserted into the corresponding sealing slots, and a plurality of sealing rings which are uniformly distributed are sleeved at the outer ends of the sealing inserting blocks;

the valve joint and the pipeline joint are fixedly sleeved with fixed sleeve blocks with rectangular sections, one ends of the fixed sleeve blocks, which are close to the connecting blocks, are provided with two limit slots which are distributed up and down, the left and right ends of the connecting blocks are fixedly connected with two limit inserting plates which are inserted into the corresponding limit slots, the upper and lower ends of each fixed sleeve block are fixedly connected with fixed boxes at the corresponding positions of the limit slots, the positions of the limit inserting plates, which are close to the fixed boxes, are provided with positioning clamping grooves, telescopic cavities are arranged in the fixed boxes, the telescopic cavities are internally and slidably connected with positioning clamping blocks, a first spring is fixedly connected between the positioning clamping blocks and the inner wall of one side, away from the fixed sleeve blocks, of each fixed sleeve block, the lower ends of the positioning clamping blocks are inserted into the corresponding positioning clamping grooves, one ends, away from the limit slots, of the positioning clamping blocks are fixedly connected with pull rods, one ends, away from the positioning clamping blocks, penetrate through the inner wall of the telescopic cavities and are fixedly connected with right-angle ejector rods outside the fixed boxes, the upper and lower ends of the connecting blocks are fixedly connected with center blocks, the left and right-angle ejector rods are fixedly connected with slide rods, the slide blocks, and the slide rods are fixedly connected with the slide blocks, and the right-angle ejector rods, and the corresponding inclined planes, which are in contact with the inclined planes, which are correspondingly far away from the fixed boxes.

Preferably, the outer sides of the connecting block and the fixed sleeve block are wrapped with heat preservation foam.

Preferably, one end of each positioning fixture block located in the limiting slot is provided with an inclined surface which inclines outwards and upwards from the inside of the limiting slot.

Preferably, the sliding rods are sleeved with push blocks in a sliding manner at positions between the trapezoidal blocks and the central block, and the push blocks are fixedly connected with the corresponding trapezoidal blocks.

Preferably, the push block and one side of the central block opposite to each other are fixedly connected with a second spring.

Preferably, one end of the right-angle ejector rod, which is in contact with the inclined surface of the trapezoidal block, is a smooth spherical surface.

Compared with the prior art, the device has the advantages that:

1. through the sealed slot and the sealed inserted block that set up the awl cartridge type, and establish a plurality of evenly distributed's sealing washer on each sealed inserted block cover, can increase the area of contact of valve joint and pipe joint and connecting block, and utilize a plurality of sealing washers to effectively improve sealed effect for the leakproofness can keep for a long time.

2. This device only needs to aim at spacing slot with spacing picture peg when carrying out the intercommunication of relief pressure valve, disect insertion, alright utilize the effect on location fixture block inclined plane to make the automatic card of location fixture block go into the positioning channel section in, accomplish the intercommunication, when tearing open, only need promote simultaneously with two ejector pads of one side, can demolish the sealed inserted block of this end, improved the maintenance and the installation work of relief pressure valve greatly.

To sum up, the utility model provides the high leakproofness that relief pressure valve connects reduces the influence of ambient temperature to its production, and conveniently overhauls and installation work.

Drawings

Fig. 1 is a front perspective view of a pressure reducing valve structure device with a sealing function according to the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1 pressure reducing valve body, 2 valve connectors, 3 pipeline connectors, 4 connecting blocks, 5 sealing slots, 6 sealing inserting blocks, 7 sealing rings, 8 fixing sleeve blocks, 9 limiting slots, 10 limiting inserting plates, 11 positioning clamping grooves, 12 fixing boxes, 13 telescopic cavities, 14 positioning clamping blocks, 15 first springs, 16 pull rods, 17 right-angle ejector rods, 18 trapezoidal blocks, 19 center blocks, 20 sliding rods, 21 pushing blocks and 22 second springs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a pressure reducing valve constructional device of sealed function, including pressure reducing valve body 1, be located valve joint 2 and pipe joint 3 on pressure reducing valve body 1, be equipped with central trompil and the cross-section is rectangular connecting block 4 between valve joint 2 and the pipe joint 3, valve joint 2 and 3 interface inner walls of pipe joint all set up from outside to inside diameter reduce gradually's sealed slot 5, pipe joint 3 controls the equal fixedly connected with in both ends and sealed 5 shape assorted sealed inserts 6 of slot, sealed slot 5 and sealed insert 6 are the awl wound packages, conveniently insert. Sealed inserted block 6 all inserts in the sealed slot 5 that corresponds and the outer end all overlaps and is equipped with a plurality of evenly distributed's sealing washer 7, and the area of contact of sealed slot 5 and sealed inserted block 6 can increase valve joint 2 and pipe joint 3 and connecting block 4, and utilizes a plurality of sealing washers 7 effectively to improve sealed effect for the leakproofness can keep for a long time.

All fixed cover has been connected on valve joint 2 and the pipe joint 3 fixed nest of blocks 8 that the cross-section is the rectangle, and two spacing slots 9 that distribute about fixed nest of blocks 8 is close to the one end of connecting block 4 and is offered, and the equal fixedly connected with in both ends about connecting block 4 is two and is inserted and establish spacing picture peg 10 in corresponding spacing slot 9, and the setting of spacing slot 9 and spacing picture peg 10 plays limiting displacement, can guarantee that connecting block 4, valve joint 2 and pipe joint 3 do not take place relative rotation.

The equal fixedly connected with fixed box 12 at the corresponding position of spacing slot 9 in both ends about each fixed nest of blocks 8, each spacing picture peg 10 is close to the position of fixed box 12 and has all seted up positioning channel section 11, be equipped with flexible chamber 13 in the fixed box 12, sliding connection has positioning fixture block 14 in flexible chamber 13, positioning fixture block 14 and flexible chamber 13 keep away from the first spring 15 of common fixedly connected with between one side inner wall of fixed nest of blocks 8, positioning fixture block 14 lower extreme is inserted and is established in the positioning channel section 11 that corresponds, first spring 15 plays and supports positioning fixture block 14 and keep inserting the effect in positioning channel section 11. The connection block 4 at this time is also maintained in a state of being hermetically connected to the valve joint 2 and the pipe joint 3.

The end of the positioning clamping block 14 far away from the limiting slot 9 is fixedly connected with a pull rod 16, the end of the pull rod 16 far away from the positioning clamping block 14 penetrates through the inner wall of the telescopic cavity 13 and is fixedly connected with a right-angle ejector rod 17 outside the fixing box 12, the upper end and the lower end of the connecting block 4 are fixedly connected with a center block 19, the left end and the right end of the center block 19 are fixedly connected with sliding rods 20, each sliding rod 20 is sleeved with a trapezoidal block 18 in a sliding mode, one end of each right-angle ejector rod 17 far away from the fixing box 12 is in inclined surface contact with the corresponding trapezoidal block 18, one end of each right-angle ejector rod 17 in inclined surface contact with the trapezoidal block 18 is a smooth spherical surface, when the trapezoidal block 18 moves transversely along the sliding rods 20, the inclined surfaces are in contact with the right-angle ejector rod 17, the right-angle ejector rod 17 moves upwards, then the positioning clamping block 14 can be lifted by the pull rod 16, so that the positioning clamping block moves out of the positioning clamping slot 11, and the fixing of the corresponding limiting insertion plate 10 is released.

Each slide bar 20 is provided with a push block 21 which is sleeved between the trapezoidal block 18 and the central block 19 in a sliding manner, the push blocks 21 are fixedly connected with the corresponding trapezoidal blocks 18, when the sealing ring 7 needs to be replaced, only two push blocks 21 positioned on the same side need to be pushed simultaneously, the two corresponding trapezoidal blocks 18 are pushed by the push blocks, the position fixation of the two corresponding limiting insertion plates 10 is released, the sealing insertion blocks 6 can be taken out from the corresponding sealing slots 5, and the sealing ring 7 is replaced. The push block 21 and the opposite side of the central block 19 are fixedly connected with a second spring 22, and the second spring 22 plays a role of resetting the push block 21.

Each positioning fixture block 14 is located the one end in spacing slot 9 and all has the inclined plane of outside and tilt up in the spacing slot 9, carries out relief pressure valve intercommunication during operation, only needs to aim at spacing slot 9 with spacing picture peg 10, disect insertion, alright utilize the effect on 14 inclined planes of positioning fixture block to make 14 automatic cards of positioning fixture block go into positioning fixture groove 11 in, carry out the rigidity to accomplish the intercommunication work of relief pressure valve fast, improve the installation effectiveness.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A pressure reducing valve structure device with a sealing function comprises a pressure reducing valve body (1), a valve joint (2) and a pipeline joint (3), wherein the valve joint (2) and the pipeline joint (3) are positioned on the pressure reducing valve body (1), a connecting block (4) with a central hole and a rectangular cross section is arranged between the valve joint (2) and the pipeline joint (3), sealing slots (5) with diameters gradually reduced from outside to inside are formed in the inner walls of the interfaces of the valve joint (2) and the pipeline joint (3), sealing insertion blocks (6) matched with the shapes of the sealing slots (5) are fixedly connected to the left end and the right end of the pipeline joint (3), the sealing insertion blocks (6) are inserted into the corresponding sealing slots (5), and a plurality of sealing rings (7) which are uniformly distributed are sleeved at the outer ends of the sealing insertion blocks;

the valve joint (2) and the pipeline joint (3) are fixedly sleeved with a fixed sleeve block (8) with a rectangular cross section, one end of the fixed sleeve block (8) close to the connecting block (4) is provided with two limit slots (9) which are distributed up and down, the left end and the right end of the connecting block (4) are fixedly connected with two limit insertion plates (10) which are inserted into the corresponding limit slots (9), the upper end and the lower end of the fixed sleeve block (8) are respectively and fixedly connected with a fixed box (12) at the corresponding position of the limit slots (9), the position of the limit insertion plate (10) close to the fixed box (12) is respectively provided with a positioning slot (11), a telescopic cavity (13) is arranged in the fixed box (12), the telescopic cavity (13) is internally and slidably connected with a positioning fixture block (14), the positioning fixture block (14) and the telescopic cavity (13) are fixedly connected with a first spring (15) together between the inner walls of one side of the fixed sleeve block (8) far away from the fixed sleeve block (14), the lower end of the positioning fixture block (14) is connected with a right-angle pull rod (16) which penetrates through the fixed pull rod (17) and is connected with a push rod (16) far away from the fixed pull rod (16), the connecting block is characterized in that a central block (19) is fixedly connected to the upper end and the lower end of the connecting block (4), sliding rods (20) are fixedly connected to the left end and the right end of the central block (19), trapezoidal blocks (18) are sleeved on the sliding rods (20) in a sliding mode, and one ends, far away from the fixing box (12), of the right-angle ejector rods (17) are in inclined surface contact with the corresponding trapezoidal blocks (18).

2. The pressure reducing valve structure device with the sealing function as claimed in claim 1, wherein the connecting block (4) and the fixing sleeve block (8) are wrapped with heat-insulating foam.

3. The structural device of the pressure reducing valve with sealing function as claimed in claim 1, wherein one end of each positioning fixture block (14) positioned in the limiting slot (9) is provided with an inclined surface which inclines outwards and upwards from the limiting slot (9).

4. The pressure reducing valve structure device with the sealing function according to claim 1, wherein a pushing block (21) is sleeved on each sliding rod (20) in a sliding mode at a position between the trapezoidal block (18) and the central block (19), and the pushing block (21) is fixedly connected with the corresponding trapezoidal block (18).

5. A sealing function relief valve construction arrangement according to claim 4, characterized in that a second spring (22) is fixedly connected to said push block (21) on the side opposite to the central block (19).

6. The structure device of a pressure reducing valve with sealing function according to claim 1, characterized in that the end of the right angle ejector rod (17) contacting the inclined surface of the trapezoidal block (18) is a smooth spherical surface.

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