CN221258008U - Marble steel pipe fitting screw structure - Google Patents

Abstract

The utility model relates to the technical field of screw structures, in particular to a screw structure of a Ma steel pipe fitting. The utility model has the advantages that: can make the inseparabler of being connected between equipment ring and the equipment cover through the cooperation of sealing ring and seal groove, can prevent that the junction from appearing leaking the condition, the staff inserts the joint board inside the joint groove afterwards, until after the locating pin moves into the locating hole completely inside, can assemble clamping ring and equipment cover through fastening bolt, can fix the equipment ring through the extrusion of joint board, the intensity of internal thread can be improved to the equipment ring that carbon steel supported, after the condition of sliding wire appears in the internal thread, can dismantle the clamping ring, and change the equipment ring can, need not change the marmite pipe fitting wholly, can reduce the waste of resource.

Description

Marble steel pipe fitting screw structure

Technical Field

The utility model relates to the technical field of screw structures, in particular to a screw structure of a macadam pipe fitting.

Background

In the process of pipeline connection, two adjacent pipelines are generally connected through a macadam pipe, wherein the macadam pipe is provided with a thread part respectively connected with one pipeline, and in the process of pipeline medium transmission, the tightness degree of connection between the macadam pipe and the pipeline directly influences the sealing effect of the two pipelines; the sealing effect is particularly important for pipeline transportation.

According to the screw structure of the macadam pipe fitting disclosed by the publication No. CN203147101U, the external thread of the pipeline is screwed into the second front thread section firstly and then is screwed into the second rear thread section, and as the second rear thread section is conical, in the process of screwing the external thread of the pipeline into the second rear thread section, the screw teeth of the second rear thread section gradually abut against the screw teeth of the pipeline, so that the internal thread part and the external thread of the pipeline are well sealed.

The screw structure of the macadam pipe fitting has the following defects in actual use: above-mentioned ma steel pipe fitting can be through the screw thread when carrying out the pipe connection, can connect the pipeline, but very easily appear the condition of smooth silk after many times threaded connection, need change whole ma steel pipe fitting after the screw thread smooth silk, but the position that damages in fact is only the internal thread of ma steel pipe fitting inside, and whole change will cause the waste of resource, consequently needs a ma steel pipe fitting screw structure to solve above-mentioned problem.

Disclosure of utility model

The object of the present utility model is to solve at least one of the technical drawbacks.

Therefore, an object of the present utility model is to provide a screw structure for a marc steel pipe fitting, which solves the problems mentioned in the background art and overcomes the shortcomings in the prior art.

In order to achieve the above object, an embodiment of an aspect of the present utility model provides a screw structure for a ma steel pipe fitting, including a connecting pipe fitting, two ports of the connecting pipe fitting are fixedly connected with two assembling sleeves, two inner walls of the assembling sleeves are respectively provided with a sliding groove, an inner wall of the sliding groove is slidably connected with a sliding support, one side of the sliding support is fixedly connected with an assembling ring, the assembling ring is slidably connected with the assembling sleeve, an internal thread is provided in the assembling ring, one side of the assembling sleeve is provided with a threaded hole, an inner wall thread of the threaded hole is connected with a fastening bolt, a screw rod part of the fastening bolt is rotationally connected with a compression ring, an inner wall of the compression ring is fixedly connected with a clamping plate, a clamping groove is provided at the top of the assembling ring, and the clamping plate is clamped with the assembling ring through the clamping groove.

By any of the above schemes, preferably, the number of the sliding brackets is two, the two sliding brackets are symmetrically distributed on two sides of the assembly ring, and the sliding brackets are matched with the shape and the size of the sliding groove. The inner wall of equipment cover has seted up the seal groove, the bottom fixedly connected with sealing ring of equipment ring, the sealing ring passes through seal groove and equipment cover sliding connection, adopts the technical effect that above-mentioned technical scheme can reach to be: when the pipe fitting is needed to be connected through the pipeline, the assembly ring can be inserted into the assembly sleeve along the sliding groove until the sealing ring moves completely to the inside of the sealing groove, the assembly ring can be assembled only inside the assembly sleeve, the assembly ring and the assembly sleeve can be connected more tightly through the matching of the sealing ring and the sealing groove, and water leakage at the joint can be prevented.

By any of the above schemes, preferably, the number of the threaded holes is a plurality of, the plurality of the threaded holes are circumferentially arranged on one side of the assembly sleeve, and the threaded holes are matched with the thread pitches of the fastening bolts. The bottom surface fixedly connected with locating pin of joint board, the locating hole has been seted up to the inner wall of joint groove, the locating pin passes through locating hole and the looks joint of equipment ring. The connecting pipe fitting and the assembling sleeve are made of forged cast iron, the assembling ring is made of carbon steel, and the technical effects achieved by adopting the technical scheme are as follows: then insert the joint board inside the joint groove, until the locating pin moves into the locating hole completely after, assemble clamping ring and equipment cover through fastening bolt, can fix the equipment ring through the extrusion of joint board, the equipment ring that carbon steel supported can improve the intensity of internal thread, after the condition of smooth silk appears in the internal thread, can dismantle the clamping ring to change the equipment ring can, need not change the marmite pipe spare is whole, can reduce the waste of resource.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

When needs use the mart pipe fitting to carry out pipe connection, can insert the equipment ring along the spout inside the equipment cover, until the sealing ring moves completely and carry out after the seal groove is inside, can only assemble the equipment cover inside with the equipment ring equipment, can make the inseparabler of being connected between equipment ring and the equipment cover through the cooperation of sealing ring and seal groove, can prevent that the situation that leaks from appearing in junction, insert the joint board inside the joint groove afterwards, until after the locating pin moves completely into the locating hole inside, assemble clamping ring and equipment cover through fastening bolt, can fix the equipment ring through the extrusion of joint board, the intensity of internal screw thread can be improved to the equipment ring that carbon steel supported, after the condition that the sliding wire appears in the internal screw thread, can dismantle the clamping ring, and change the equipment ring can, need not wholly change the mart pipe fitting, can reduce the waste of resource.

Drawings

FIG. 1 is a schematic view of the structure of an assembly of the present utility model;

FIG. 2 is a schematic view of an exploded view of the assembly of the present utility model;

FIG. 3 is a schematic view of the structure of the connecting pipe fitting of the present utility model;

FIG. 4 is a schematic view of a press ring according to the present utility model;

FIG. 5 is a schematic view of the assembled ring of the present utility model.

In the figure: the connecting pipe fitting is 1-connected, the assembling sleeve is 2-assembled, the sliding groove is 3-assembled, the sliding support is 4-assembled, the assembling ring is 5-assembled, the internal thread is 6-assembled, the threaded hole is 7-assembled, the fastening bolt is 8-assembled, the clamping ring is 9-assembled, the clamping plate is 10-assembled, the clamping groove is 11-assembled, the sealing groove is 12-assembled, the sealing ring is 13-assembled, the locating pin is 14-assembled, and the locating hole is 15-assembled.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.

As shown in fig. 1 to 5, a screw structure of a ma steel pipe fitting comprises a connecting pipe fitting 1, two ports of the connecting pipe fitting 1 are fixedly connected with two assembling sleeves 2, sliding grooves 3 are formed in the two assembling sleeves 2, sliding supports 4 are slidably connected to the inner walls of the sliding grooves 3, assembling rings 5 are fixedly connected to one sides of the sliding supports 4 and slidably connected with the assembling sleeves 2, internal threads 6 are formed in the assembling rings 5, threaded holes 7 are formed in one sides of the assembling sleeves 2, fastening bolts 8 are connected to the inner wall threads of the threaded holes 7, press rings 9 are rotatably connected to screw portions of the fastening bolts 8, clamping plates 10 are fixedly connected to the inner walls of the press rings 9, clamping grooves 11 are formed in the tops of the assembling rings 5, and the clamping plates 10 are clamped with the assembling rings 5 through the clamping grooves 11.

As an alternative technical scheme of the utility model, the number of the sliding supports 4 is two, the two sliding supports 4 are symmetrically distributed on two sides of the assembly ring 5, and the sliding supports 4 are matched with the shape and the size of the sliding groove 3. The inner wall of equipment cover 2 has seted up seal groove 12, and the bottom fixedly connected with sealing ring 13 of equipment ring 5, and sealing ring 13 passes through seal groove 12 and equipment cover 2 sliding connection, when needs use the mart pipe fitting to carry out pipe connection, can insert equipment ring 5 inside equipment cover 2 along spout 3, until after sealing ring 13 moves completely and carries out seal groove 12 inside, can only assemble inside equipment cover 2 with equipment ring 5 equipment.

As an alternative technical scheme of the utility model, the number of the threaded holes 7 is a plurality, a plurality of threaded holes 7 are circumferentially arranged on one side of the assembly sleeve 2, and the threaded holes 7 are matched with the thread pitches of the fastening bolts 8. The bottom surface fixedly connected with locating pin 14 of joint board 10, locating hole 15 has been seted up to the inner wall of joint groove 11, and locating pin 14 passes through locating hole 15 looks joint with the equipment ring 5. The connecting pipe fitting 1 and the assembling sleeve 2 are made of forged cast iron, the assembling ring 5 is made of carbon steel, the clamping plate 10 is inserted into the clamping groove 11 until the positioning pin 14 completely moves into the positioning hole 15, the compression ring 9 and the assembling sleeve 2 are assembled through the fastening bolt 8, the assembling ring 5 can be fixed through extrusion of the clamping plate 10, the strength of the internal thread 6 can be improved through the carbon steel supported assembling ring 5, after the internal thread 6 has a sliding wire, the compression ring 9 can be detached, the assembling ring 5 can be replaced, and the whole macadam pipe fitting is not required to be replaced.

A screw structure of a Ma steel pipe fitting has the following working principle:

1): when it is necessary to use a pipe fitting for pipe connection, the assembly ring 5 may be inserted into the assembly sleeve 2 along the sliding groove 3 until the sealing ring 13 is completely moved to the inside of the sealing groove 12, and then the assembly ring 5 may be assembled only inside the assembly sleeve 2.

2): After the clamping plate 10 is inserted into the clamping groove 11 until the positioning pin 14 completely moves into the positioning hole 15, the compression ring 9 and the assembly sleeve 2 are assembled through the fastening bolt 8, the assembly ring 5 can be fixed through extrusion of the clamping plate 10, the strength of the internal thread 6 can be improved through the assembly ring 5 supported by carbon steel, after the internal thread 6 slides, the compression ring 9 can be disassembled, the assembly ring 5 is replaced, and the whole assembly ring 5 does not need to be replaced.

To sum up, this ma steel pipe fitting screw structure, when needs use ma steel pipe fitting to carry out pipe connection, can insert equipment ring 5 along spout 3 inside equipment cover 2, after seal ring 13 moves completely and carries out seal groove 12 inside, can assemble equipment ring 5 and only assemble the cover 2 inside, can make the inseparabler of being connected between equipment ring 5 and the equipment cover 2 through the cooperation of seal ring 13 and seal groove 12, can prevent the situation that the junction appears leaking, later insert joint board 10 inside joint groove 11, after until locating pin 14 moves completely into locating hole 15 inside, assemble clamping ring 9 and equipment cover 2 through fastening bolt 8, can fix equipment ring 5 through the extrusion of joint board 10, the intensity of internal thread 6 can be improved to the equipment ring 5 that carbon steel supported, after the condition that internal thread 6 appears the smooth silk, can dismantle equipment ring 9, and change equipment ring 5, need not change ma steel pipe fitting wholly, can reduce the waste of resource.

Claims (6)

1. The utility model provides a ma steel pipe fitting screw structure which characterized in that: including connecting pipe fitting (1), two port fixedly connected with equipment cover (2) of connecting pipe fitting (1), two spout (3) have all been seted up to the inside of equipment cover (2), the inner wall sliding connection of spout (3) has smooth support (4), one side fixedly connected with equipment ring (5) of smooth support (4), equipment ring (5) and equipment cover (2) sliding connection, internal thread (6) have been seted up to the inside of equipment ring (5), screw hole (7) have been seted up to one side of equipment cover (2), the inner wall threaded connection of screw hole (7) has fastening bolt (8), the screw part rotation of fastening bolt (8) is connected with clamping ring (9), clamping plate (10) have been seted up at the inner wall fixedly connected with joint board (10) of clamping ring (9), joint groove (11) are seted up at the top of equipment ring (5), joint board (10) are through joint groove (11) and equipment ring (5) looks joint.

2. A marc steel pipe fitting screw structure according to claim 1, wherein: the number of the sliding supports (4) is two, the two sliding supports (4) are symmetrically distributed on two sides of the assembly ring (5), and the sliding supports (4) are matched with the sliding grooves (3) in shape and size.

3. A marc tubing screw structure according to claim 2, wherein: the inner wall of the assembly sleeve (2) is provided with a sealing groove (12), the bottom of the assembly ring (5) is fixedly connected with a sealing ring (13), and the sealing ring (13) is in sliding connection with the assembly sleeve (2) through the sealing groove (12).

4. A marc pipe fitting screw structure according to claim 3, wherein: the number of the threaded holes (7) is a plurality of, the plurality of the threaded holes (7) are circumferentially arrayed on one side of the assembly sleeve (2), and the threaded holes (7) are matched with the thread pitches of the fastening bolts (8).

5. The macadam screw structure of claim 4, wherein: the bottom surface fixedly connected with locating pin (14) of joint board (10), locating hole (15) have been seted up to the inner wall of joint groove (11), locating pin (14) are through locating hole (15) looks joint with equipment ring (5).

6. The macadam screw structure of claim 5, wherein: the connecting pipe fitting (1) and the assembling sleeve (2) are made of forged cast iron, and the assembling ring (5) is made of carbon steel.