CN221237356U

CN221237356U - Rubber soft joint

Info

Publication number: CN221237356U
Application number: CN202323297408.3U
Authority: CN
Inventors: 周晓稳
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-12-04
Filing date: 2023-12-04
Publication date: 2024-06-28
Anticipated expiration: 2033-12-04

Abstract

The utility model relates to the technical field of pipeline connection, in particular to a rubber soft joint, which comprises a rubber hose and two flanges, wherein the rubber hose is provided with a first port, a central flow passage and a second port which are sequentially communicated in the axial direction, the rubber hose is inwards recessed in the radial direction at the first port to form a first concave ring, the rubber hose is inwards recessed in the radial direction at the second port to form a second concave ring, the two flanges are respectively arranged on the first concave ring and the second concave ring, a plurality of compression-resistant and shock-absorbing convex strips are arranged on the inner surface of the central flow passage at equal intervals, and the compression-resistant and shock-absorbing convex strips extend in the axial direction; the outer surface of the rubber hose is provided with a raised grid. The rubber soft joint has the advantages that the surface smoothness is improved, meanwhile, the vibration and noise are reduced, and the service life and the product performance are obviously improved.

Description

Rubber soft joint

Technical Field

The utility model relates to the technical field of pipeline connection, in particular to a rubber soft joint.

Background

Rubber flexible joints, also known as expansion joints, shock absorbers, pipe shock absorbers, shock-absorbing throats, and the like, are widely used in various pipe systems. The rubber flexible joint is formed by combining tubular rubber with a metal flange after high-temperature high-pressure vulcanization molding. However, after the tubular rubber of the existing rubber flexible joint is vulcanized and molded, the surface is rough. The existing rubber flexible joint has small pressure resistance, is easy to generate cracking phenomenon after long-term use, and has short service life; in addition, they generate large vibrations and noise during use after connection to external plumbing. Therefore, the existing rubber flexibility has the defects of short service life and large vibration and noise.

Disclosure of utility model

In order to solve the technical problems of short service life and high vibration and noise of the conventional rubber flexible joint, the utility model provides the rubber flexible joint, the surface smoothness is improved, the vibration and the noise are reduced, and the service life and the product performance are obviously improved.

The utility model adopts the following technical scheme:

The rubber hose is provided with a first port, a central flow passage and a second port which are sequentially communicated in the axial direction, the rubber hose is inwards recessed in the first port along the radial direction to form a first concave ring, the rubber hose is inwards recessed in the second port along the radial direction to form a second concave ring, the two flange plates are respectively arranged on the first concave ring and the second concave ring, a plurality of compression-resistant and shock-absorbing convex strips are arranged on the inner surface of the central flow passage at equal intervals, and the compression-resistant and shock-absorbing convex strips extend in the axial direction; the outer surface of the rubber hose is provided with a raised grid. One of the flange plates is provided with a central hole penetrating through the first port to the first concave ring, so that one of the flange plates is clamped on the first concave ring, and the other flange plate is provided with a central hole penetrating through the second port to the second concave ring, so that the other flange plate is clamped on the second concave ring.

Further, the edge of the first port extends outwards in the radial direction to form a first flanging, and one flange is positioned below the first flanging; the edge of the second port extends outwards in the radial direction to form a second flanging, and the other flange plate is positioned above the second flanging. The first flanging and the second flanging are arranged, so that the rubber soft joint is conveniently in butt joint and communication with an external pipeline assembly.

Further, each flange plate is provided with a central hole and a plurality of first threaded holes, the plurality of first threaded holes are uniformly formed and are distributed in an annular mode by taking the central holes as the center, one of the central holes of the flange plates penetrates through the first ports to the first concave rings, and the other central hole of the flange plate penetrates through the second ports to the second concave rings. The two flange plates are respectively clamped on the first concave ring and the second concave ring through the central holes on the two flange plates, and the flange plates are further connected with the external pipeline assembly through a plurality of first threaded holes.

Further, each of the compression-resistant and shock-absorbing convex strips has a first arc which is the same as the arc of the inner surface of the central flow passage. The compression-resistant damping protruding strip can be completely attached to the inner surface of the central runner.

Further, the raised mesh comprises a plurality of meshes arranged on the outer surface of the rubber hose, and each mesh is of a strip-shaped structure. The second mesh of this kind of structure is more favorable to the rubber hose to exhaust when vulcanization molding.

Further, the rubber soft joint further comprises a fixed ring block sleeved on the rubber hose, the fixed ring block is located between the two flanges and provided with a plurality of fixed holes, each flange is further provided with a plurality of second threaded holes, and each fixed hole is in threaded connection with the second threaded hole through a first bolt. After one of them ring flange card is on first indent ring, this ring flange rethread fixed orifices, second screw hole and first bolt stable connection are on the rubber hose. And similarly, after the other flange plate is clamped on the second concave ring, the flange plate is also stably connected to the rubber hose through the fixing hole, the second threaded hole and the first bolt. The rubber soft joint with the structure has higher stability when being connected with an external pipeline assembly.

Further, the first flanging and the second flanging are respectively provided with a connecting block, each connecting block is provided with a plurality of connecting holes, each flange plate is further provided with a plurality of third threaded holes, and each connecting hole is in threaded connection with the third threaded holes through second bolts. After one of them ring flange card is on first indent ring, this ring flange rethread connecting hole, third screw hole and second bolt stable connection are on the rubber hose. And similarly, after the other flange plate is clamped on the second concave ring, the flange plate is also stably connected to the rubber hose through the connecting hole, the third threaded hole and the second bolt.

Compared with the prior art, the utility model has the following technical effects:

1. The first indent ring and the second indent ring are arranged, so that the two flange plates are more convenient to be connected with the rubber hose, the soft joint strength is increased, more importantly, when external liquid flows into or flows out of the rubber hose with the structure, vibration and noise are obviously reduced, and further vibration and noise of the external liquid when flowing into or flowing out of the rubber hose joint are reduced, and the anti-seismic effect is improved.

2. The pressure of the rubber hose is increased by the arrangement of the plurality of compression-resistant damping protruding strips, the rubber hose is prevented from bursting, and further the compression resistance and the damping capacity of the rubber soft joint are further improved, so that the service life and the product performance of the rubber soft joint are obviously improved.

3. The outer surface of the rubber hose is provided with the raised grid, the raised grid enables the rubber hose to exhaust smoothly during vulcanization molding, the rubber hose is easier to be vulcanized and molded, the surface smoothness is improved, and the product qualification rate is improved.

Drawings

FIG. 1 is a schematic cross-sectional view of a rubber hose of the present utility model;

FIG. 2 is a schematic diagram of a second embodiment of the rubber hose of the present utility model;

FIG. 3 is a schematic view of a rubber hose connector according to the present utility model;

FIG. 4 is a schematic cross-sectional view of another rubber hose connector of the present utility model;

The reference numerals in the drawings are: 1. a rubber hose; 11. a first port; 111. a first concave ring; 112. a first flanging; 12. a central flow passage; 13. a second port; 131. a second concave ring; 132. a second flanging;

2. A flange plate; 21. a first threaded hole;

3. Compression-resistant and shock-absorbing protruding strips;

4. A raised grid; 41. a mesh;

5. a fixed ring block; 6. a connecting block; 7. a first bolt; 8. and a second bolt.

Detailed Description

The utility model is further described below with reference to the drawings and the detailed description.

As shown in fig. 1 to 3, a rubber hose joint for connecting an external pipe assembly such as a water pump pipe, a valve pipe, etc., comprises a rubber hose 1 and two flanges 2, the flanges 2 are made of metal material such as stainless steel, the rubber hose 1 has an axial direction Y and a radial direction X, the rubber hose 1 has a first port 11, a central flow passage 12 and a second port 13 which are sequentially communicated in the axial direction Y, external liquid sequentially flows in or out through the first port 11, the central flow passage 12 and the second port 13, the rubber hose 1 is recessed inward along the radial direction X at the first port 11 to form a first concave ring 111, the rubber hose 1 is recessed inward along the radial direction X at the second port 13 to form a second concave ring 131, the two flanges 2 are respectively arranged on the first concave ring 111 and the second concave ring 131, specifically, a central hole of one flange 2 passes through the first port 11 to the first concave ring 111, so that one flange 2 is clamped on the first concave ring 111, a central hole of the other flange 2 passes through the second port 13 to the second concave ring 131, so that the other flange 2 is clamped on the second concave ring 131, a plurality of compression-resistant vibration-damping raised strips 3 are arranged on the inner surface of the central flow channel 12 at equal intervals, the compression-resistant vibration-damping raised strips 3 extend in the axial direction Y, and the arrangement of the compression-resistant vibration-damping raised strips 3 increases the pressure of a rubber soft joint and can prevent bursting; the outer surface of the rubber hose 1 is provided with a raised grid 4, and the raised grid 4 ensures that the rubber hose 1 can be smoothly exhausted during vulcanization molding.

The first concave ring 111 and the second concave ring 131 are provided in this embodiment, so that the two flanges 2 are more conveniently connected with the rubber hose 1, the soft joint strength is increased, more importantly, when external liquid flows into or flows out of the rubber hose 1 with such a structure, vibration and noise are obviously reduced, and further, when external liquid flows into or flows out of the rubber hose 1, vibration and noise are reduced, and the anti-vibration effect is improved. Be equipped with a plurality of resistance to compression shock attenuation protruding strips 3 on the internal surface of central passage, the pressure of rubber hose 1 is increased in the setting of a plurality of resistance to compression shock attenuation protruding strips 3, prevents that rubber hose 1 from bursting, and then realizes further improving the compressive capacity and the damping capacity of rubber soft joint, makes rubber soft joint's life and product performance obtain obviously promoting. The outer surface of the rubber hose 1 is provided with the raised grid 4, the raised grid 4 enables the rubber hose 1 to exhaust smoothly during vulcanization molding, the rubber hose 1 is easier to be vulcanized and molded, and meanwhile the surface smoothness is improved, so that the product qualification rate is improved.

As an embodiment, the edge of the first port 11 extends outwards in the radial direction X to form a first flange 112, wherein one of the flanges 2 is located below the first flange 112; the edge of the second port 13 extends outwards in the radial direction X to form a second flange 132, and the other flange 2 is located above the second flange 132. The provision of the first flange 112 and the second flange 132 facilitates the interfacing and communication of the rubber hose connector with the external piping assembly.

As an implementation manner, each flange 2 is provided with a central hole and a plurality of first threaded holes 21, and the plurality of first threaded holes 21 are uniformly arranged and are annularly arranged with the central holes as the center, wherein one central hole of the flange 2 passes through the first port 11 to the first concave ring 111, and the other central hole of the flange 2 passes through the second port 13 to the second concave ring 131. Specifically, one of the center holes passes through the first port 11 and the first flange 112 and then passes onto the first concave ring 111, and the other center hole passes through the second port 13 and the second flange 132 and then passes onto the second concave ring 131. The two flanges 2 are respectively clamped on the first concave ring 111 and the second concave ring 131 through the central holes on the flanges, and the flanges 2 are also connected with an external pipeline assembly through the first threaded holes 21.

As an embodiment, each of the compression-resistant vibration-absorbing convex bars 3 has a first curvature, which is the same as that of the inner surface of the central flow passage 12. The compression-resistant and shock-absorbing raised strips 3 can be completely attached to the inner surface of the central runner 12.

As an embodiment, the raised mesh 4 comprises a plurality of mesh openings 41 provided on the outer surface of the rubber hose 1, each mesh opening 41 having an elongated structure. Wherein the second mesh holes 41 are different in size and dimension. The second mesh 41 of this structure is more advantageous in that the rubber hose 1 is exhausted at the time of vulcanization molding.

As shown in fig. 4, another rubber hose joint comprises a rubber hose 1 and two flanges 2, wherein the rubber hose 1 is provided with a first port 11, a central runner 12 and a second port 13 which are sequentially communicated in the axial direction, external liquid sequentially flows into or flows out through the first port 11, the central runner 12 and the second port 13, the first port 11 is inwards recessed in the radial direction X to form a first concave ring 111, the second port 13 is inwards recessed in the radial direction X to form a second concave ring 131, the two flanges 2 are respectively arranged on the first concave ring 111 and the second concave ring 131, a plurality of compression-resistant and vibration-damping convex strips 3 are arranged on the inner surface of the central runner 12 at equal intervals, a plurality of compression-resistant and vibration-damping convex strips 3 extend in the axial direction Y, and convex grids 4 are arranged on the outer surface of the rubber hose 1.

Wherein, every all be provided with centre bore, a plurality of first screw hole 21, second screw hole and third screw hole on the ring flange 2, a plurality of first screw hole 21, third screw hole and second screw hole all evenly set up and arrange in proper order from outer to interior, a plurality of first screw hole 21, second screw hole and third screw hole all use the centre bore is the annular and arranges.

The rubber soft joint further comprises a fixed ring block 5 sleeved on the rubber hose 1, the fixed ring block 5 is located between the two flange plates 2, a plurality of fixed holes are formed in the fixed ring block 5, the fixed holes are threaded holes, and each fixed hole is in threaded connection with the second threaded hole through a first bolt 7. The first bolt 7 has an external thread and the fixing hole has an internal thread matching the external thread. After one of the flanges 2 is clamped on the first concave ring 111, the flange 2 is stably connected to the rubber hose 1 through the fixing hole, the second threaded hole and the first bolt 7. Similarly, after the other flange 2 is clamped on the second concave ring 131, the flange 2 is also stably connected to the rubber hose 1 through the fixing hole, the second threaded hole and the first bolt 7.

The first flange 112 and the second flange 132 are respectively provided with a connecting block 6, each connecting block 6 is respectively provided with a plurality of connecting holes, each connecting hole is a threaded hole, and each connecting hole is in threaded connection with the third threaded hole through a second bolt 8. The second bolt 8 has an external thread and the connecting hole has an internal thread matching the external thread. After one of the flanges 2 is clamped on the first concave ring 111, the flange 2 is stably connected to the rubber hose 1 through the connecting hole, the third threaded hole and the second bolt 8. Similarly, after the other flange 2 is clamped on the second concave ring 131, the flange 2 is also stably connected to the rubber hose 1 through the connecting hole, the third threaded hole and the second bolt 8. The rubber soft joint with the structure has higher stability when being connected with an external pipeline assembly.

The above embodiments are merely preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, but other embodiments can be easily made by those skilled in the art through substitution or modification according to the technical disclosure in the present specification, so that all changes and modifications made in the principle and process conditions of the present utility model should be included in the scope of the present utility model.

Claims

1. The rubber hose (1) is provided with a first port (11), a central runner (12) and a second port (13) which are sequentially communicated in the axial direction (Y), and is characterized in that the rubber hose (1) is inwards recessed along the radial direction (X) at the first port (11) to form a first concave ring (111), the rubber hose (1) is inwards recessed along the radial direction (X) at the second port (13) to form a second concave ring (131), the two flange plates (2) are respectively arranged on the first concave ring (111) and the second concave ring (131), a plurality of shock-absorbing and pressure-resisting convex strips (3) are arranged on the inner surface of the central runner (12) at equal intervals, and the plurality of shock-absorbing and pressure-resisting convex strips (3) extend in the axial direction (Y); the outer surface of the rubber hose (1) is provided with a raised grid (4).

2. A rubber hose joint according to claim 1, wherein the edge of the first port (11) extends outwards in the radial direction (X) forming a first flange (112), one of the flanges (2) being located below the first flange (112); the edge of the second port (13) extends outwards in the radial direction (X) to form a second flanging (132), and the other flange (2) is positioned above the second flanging (132).

3. The rubber hose connector according to claim 1, wherein each flange plate (2) is provided with a central hole and a plurality of first threaded holes (21), the plurality of first threaded holes (21) are uniformly arranged and are annularly arranged with the central holes as a center, wherein the central hole of one flange plate (2) passes through the first port (11) to the first concave ring (111), and the central hole of the other flange plate (2) passes through the second port (13) to the second concave ring (131).

4. A rubber hose joint according to claim 1, wherein each of the compression-resistant and shock-absorbing protruding strips (3) has a first curvature which is identical to the curvature of the inner surface of the central flow channel (12).

5. A rubber hose joint according to claim 1, characterized in that the raised grid (4) comprises a number of mesh openings (41) provided on the outer surface of the rubber hose (1), each mesh opening (41) being of elongated configuration.

6. The rubber hose connector according to claim 1, further comprising a fixing ring block (5) sleeved on the rubber hose (1), wherein the fixing ring block (5) is positioned between the two flanges (2) and provided with a plurality of fixing holes, each flange (2) is further provided with a plurality of second threaded holes, and each fixing hole is in threaded connection with the second threaded hole through a first bolt (7).

7. The rubber hose connector according to claim 2, wherein the first flange (112) and the second flange (132) are each provided with a connecting block (6), each connecting block (6) is provided with a plurality of connecting holes, each flange plate (2) is further provided with a plurality of third threaded holes, and each connecting hole is in threaded connection with the third threaded hole through a second bolt (8).