CN214037291U - Alloy steel high-pressure joint - Google Patents

Abstract

The utility model discloses an alloy steel high pressure joint, including public head and female head, female head's lateral wall seted up with public head assorted slot, female head is close to two fixed blocks of one side lateral wall symmetry fixedly connected with of slot, two the equal fixed cover of lateral wall of fixed block is equipped with solid fixed ring, the connecting piece is established to the fixed cover of lateral wall of public head, two cavitys have been seted up to the symmetry in the connecting piece, the opening that is linked together with the cavity is seted up to solid fixed ring's lateral wall symmetry, every all be equipped with fastening device in the cavity, fastening device is including the slide bar that runs through roof in the cavity, the slide bar is located the one end fixedly connected with lifter plate in the cavity. The utility model discloses an inwards press two clamp plates, realize the fixed of solid fixed ring and connecting piece between, easy operation reaches the effect of installing public head and female head fast, improves the installation effectiveness that alloy steel high pressure connects.

Description

Alloy steel high-pressure joint

Technical Field

The utility model relates to a coupling technical field especially relates to an alloy steel high pressure joint.

Background

In the petrochemical industry, the requirements on the temperature resistance, pressure resistance and corrosion resistance of a pipeline joint are high, and an alloy steel high-pressure joint is widely applied to equipment in the petrochemical industry due to high corrosion resistance and wear resistance, and is mainly used for connecting pipe diameters at an inlet and an outlet of the equipment.

At present, the connection modes of the high-pressure connector mainly comprise flange connection, union connection, threaded connection and the like, the connection modes need to be installed in an auxiliary mode through tools during installation and disassembly, the process is complicated, the operation is troublesome, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the background art and providing an alloy steel high pressure joint.

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

an alloy steel high-pressure joint comprises a male head and a female head, wherein a slot matched with the male head is formed in the outer side wall of the female head, two fixed blocks are symmetrically and fixedly connected to the side wall of one side, close to the slot, of the female head, fixed rings are fixedly sleeved on the outer side walls of the two fixed blocks, a connecting piece is fixedly sleeved on the outer side wall of the male head, two cavities are symmetrically formed in the connecting piece, openings communicated with the cavities are symmetrically formed in the outer side wall of each fixed ring, a fastening mechanism is arranged in each cavity and comprises a sliding rod penetrating through the inner top wall of the cavity, a lifting plate is fixedly connected to one end, located in the cavity, of the sliding rod, two connecting rods are rotatably connected to the lower side wall of the lifting plate, a fixed plate is rotatably connected to one end, far away from the lifting plate, of each connecting rod, a clamping plate rotatably connected to the inner bottom wall of the cavity is fixedly connected to the lower side wall of each fixed plate, two equal fixedly connected with of one side lateral wall that splint carried on the back mutually and cavity inner wall fixed connection's spring, two arc wall has all been seted up to the relative one side lateral wall of splint, every the diameter size of arc wall all equals with the diameter size of every fixed block.

Preferably, the inner wall of each cavity is provided with a groove matched with the fixing block.

Preferably, the outer side wall of one end of each sliding rod, which is positioned in the cavity on the same side, is slidably sleeved with a limiting rod fixedly connected with the inner wall of the cavity, and one end of each sliding rod, which is positioned outside the cavity, is fixedly connected with a pressing plate and is positioned outside the connecting piece.

Preferably, the outer side wall of the female head is fixedly connected with a sealing ring positioned at the slot.

Preferably, each side wall of the clamping plate close to one side of the groove is smoothly arranged.

Compared with the prior art, this alloy steel high pressure joint's advantage lies in:

1. the fixing ring and the clamping plates are arranged, the two pressing plates are pressed inwards at the same time, the extrusion lifting plate moves inwards, the distance between the two fixing plates is increased, the two clamping plates move circularly around the joint of the two clamping plates and the cavity, the distance between the two clamping plates is increased, the two fixing blocks are inserted into the two openings respectively until the fixing blocks are completely inserted into the grooves, the pressing plates are loosened, the two clamping plates rotate under the elasticity of the springs until the arc-shaped grooves are completely attached to the outer walls of the fixing blocks, at the moment, the left side and the right side of the fixing ring are attached to the inner walls of the cavity and the left side of the clamping plates respectively, and the fixing ring is completely clamped between the cavity and the clamping plates, so that the fixing between the fixing ring and the connecting piece is realized, the operation is simple, the effect of quickly installing the male head and the female head is achieved, and the installation efficiency of the alloy steel high-pressure joint is improved;

2. the sealing ring is arranged, after the male head is inserted into the female head, the sealing performance of the joint of the male head and the female head can be improved, and strong acid and strong alkali substances are prevented from entering the inner walls of the male head and the female head to corrode the male head and the female head to cause damage, so that the service life of the alloy steel high-pressure joint is prolonged;

to sum up, the utility model discloses an it is fixed between solid fixed ring and the connecting piece to press down two clamp plates inwards, realize, easy operation reaches the effect of installing public head and female head fast, improves the installation effectiveness that alloy steel high pressure connects.

Drawings

Fig. 1 is a schematic structural view of an alloy steel high-pressure joint provided by the present invention;

FIG. 2 is a side view of a cavity in an alloy steel high-pressure joint according to the present invention;

fig. 3 is an enlarged view of a structure in fig. 1.

In the figure: 1 male head, 2 female heads, 3 connecting pieces, 4 fixing blocks, 5 fixing rings, 6 cavities, 7 sliding rods, 8 lifting plates, 9 connecting rods, 10 fixing plates, 11 clamping plates, 12 springs, 13 limiting rods, 14 pressing plates, 15 grooves and 16 sealing rings.

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. 1-3, an alloy steel high pressure joint, including public head 1 and female head 2, female head 2's lateral wall seted up with public first 1 assorted slot, female head 2's lateral wall fixedly connected with is located the sealing washer 16 of slot department, when installation alloy steel high pressure joint, earlier in the slot in public head 1 inserts female head 2, sealing washer 16 can improve the leakproofness of public first 1 and female first 2 junctions, avoid strong acid alkali material to get into public first 1 and female first 2 inner walls and corrode it and cause the damage, thereby improve alloy steel high pressure joint's life.

The lateral wall of one side of the female head 2 close to the slot is symmetrically and fixedly connected with two fixed blocks 4, the lateral walls of the two fixed blocks 4 are fixedly sleeved with a fixed ring 5, the lateral wall of the male head 1 is fixedly sleeved with a connecting piece 3, the connecting piece 3 is internally symmetrically provided with two cavities 6, the inner wall of each cavity 6 is provided with a groove 15 matched with the fixed block 4, the lateral wall of the fixed ring 5 is symmetrically provided with an opening communicated with the cavity 6, each cavity 6 is internally provided with a fastening mechanism, the fastening mechanism comprises a slide bar 7 penetrating through the inner top wall of the cavity 6, the lateral wall of one end of each slide bar 7 positioned in the cavity 6 at the same side is slidably sleeved with a limiting rod 13 fixedly connected with the inner wall of the cavity 6, one end of each slide bar 7 positioned outside the cavity 6 is positioned outside the connecting piece 3 and is fixedly connected with a pressing plate 14, before the male head 1 is inserted into the slot in the female head 2, the two pressing plates 14 are pressed inwards at the same time, the extrusion lifter plate 8 moves inwards, increases the angle between two connecting rods 9, makes the distance increase between two fixed plates 10, thereby makes two splint 11 be circular motion around its junction with cavity 6, makes the distance increase between two splint 11, inserts in the slot in the female head 2 with public head 1 again, and two fixed blocks 4 insert respectively to two openings this moment in, until fixed block 4 inserts to recess 15 completely, thereby improves the steadiness of fixed block 4.

One end of the sliding rod 7, which is positioned in the cavity 6, is fixedly connected with a lifting plate 8, the lower side wall of the lifting plate 8 is rotatably connected with two connecting rods 9, one end of each connecting rod 9, which is far away from the lifting plate 8, is rotatably connected with a fixed plate 10, the lower side wall of each fixed plate 10 is fixedly connected with a clamping plate 11 which is rotatably connected with the inner bottom wall of the cavity 6, one side wall, which is close to the groove 15, of each clamping plate 11 is smoothly arranged, the rotation process of each clamping plate 11 can be ensured to be smooth, one side wall, which is opposite to the two clamping plates 11, is fixedly connected with a spring 12 which is fixedly connected with the inner wall of the cavity 6, the side wall, which is opposite to the two clamping plates 11, is provided with arc-shaped grooves, the diameter of each arc-shaped groove is equal to the diameter of each fixed block 4, when the fixed block 4 is completely inserted into the groove 15, the clamping plate 14 is loosened, under the elasticity of the spring 12, the two clamping plates 11 rotate until the arc-shaped grooves are completely attached to the outer walls of the fixed blocks 4, at this moment, the left side and the right side of the fixing ring 5 are respectively attached to the inner wall of the cavity 6 and the left side of the clamping plate 11, so that the fixing ring 5 is completely clamped between the cavity 6 and the clamping plate 11, fixing between the fixing ring 5 and the connecting piece 3 is realized, the operation is simple, the effect of quickly installing the male head 1 and the female head 2 is achieved, and the installation efficiency of the alloy steel high-pressure connector is improved.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

Now, the operation principle of the present invention is explained as follows:

before the male head 1 is inserted into the slot in the female head 2, the two pressing plates 14 are pressed inwards at the same time to extrude the lifting plate 8 to move inwards, the angle between the two connecting rods 9 is increased, the distance between the two fixing plates 10 is increased, so that the two clamping plates 11 do circular motion around the connection part of the clamping plates and the cavity 6, the distance between the two clamping plates 11 is increased, the male head 1 is inserted into the slot in the female head 2, the two fixing blocks 4 are respectively inserted into the two openings until the fixing blocks 4 are completely inserted into the grooves 15, the pressing plates 14 are loosened, the two clamping plates 11 rotate under the elasticity of the springs 12 until the arc-shaped grooves are completely attached to the outer walls of the fixing blocks 4, the left side and the right side of the fixing ring 5 are respectively attached to the inner wall of the cavity 6 and the left side of the clamping plates 11, so that the fixing ring 5 is completely clamped between the cavity 6 and the clamping plates 11, and the fixing between the fixing ring 5 and the connecting piece 3 is realized, the operation is simple, the effect of quickly installing the male connector 1 and the female connector 2 is achieved, and the installation efficiency of the alloy steel high-pressure connector is improved.

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 (5)

1. The alloy steel high-pressure connector comprises a male head (1) and a female head (2), and is characterized in that a slot matched with the male head (1) is formed in the outer side wall of the female head (2), two fixing blocks (4) are symmetrically and fixedly connected to the side wall of one side, close to the slot, of the female head (2), two fixing rings (5) are fixedly sleeved on the outer side wall of each fixing block (4), a connecting piece (3) is fixedly sleeved on the outer side wall of the male head (1), two cavities (6) are symmetrically formed in the connecting piece (3), openings communicated with the cavities (6) are symmetrically formed in the outer side wall of each fixing ring (5), each cavity (6) is internally provided with a fastening mechanism, each fastening mechanism comprises a sliding rod (7) penetrating through the inner top wall of the cavity (6), and one end, located in the cavity (6), of each sliding rod (7) is fixedly connected with a lifting plate (8), the lower lateral wall of lifter plate (8) rotates and is connected with two connecting rods (9), every the one end that lifter plate (8) were kept away from in connecting rod (9) all rotates and is connected with fixed plate (10), every the equal fixedly connected with of lower lateral wall of fixed plate (10) rotates splint (11) of being connected with bottom wall in cavity (6), two splint (11) back of the body equal fixedly connected with of one side lateral wall and cavity (6) inner wall fixed connection's spring (12), two the arc wall, every have all been seted up to one side lateral wall that splint (11) are relative the diameter size of arc wall all equals with the diameter size of every fixed block (4).

2. An alloy steel high-pressure joint according to claim 1, characterized in that the inner wall of each cavity (6) is provided with a groove (15) matched with the fixing block (4).

3. An alloy steel high-pressure joint according to claim 1, characterized in that the outer side wall of one end of each slide rod (7) located in the cavity (6) on the same side is slidably sleeved with a limiting rod (13) fixedly connected with the inner wall of the cavity (6), and one end of each slide rod (7) located outside the cavity (6) is located outside the connecting piece (3) and fixedly connected with a pressing plate (14).

4. An alloy steel high-pressure joint according to claim 1, characterized in that the outer side wall of the female head (2) is fixedly connected with a sealing ring (16) at the socket.

5. An alloy steel high-pressure joint according to claim 1, characterized in that the side wall of each clamping plate (11) near the groove (15) is smooth.

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