CN207935625U - A plugging fixture - Google Patents

Abstract

The utility model discloses a leakage stopping clamp, which comprises a first clamp body, a second clamp body, an adhesive tape and a first annular rubber ring, wherein the first clamp body and the second clamp body are detachably connected and are configured in such a way that the first clamp body is sleeved on a pipeline at one side where an insulating joint is leaked when in use, and the second clamp body is sleeved on a pipeline at the other side of the insulating joint; the first clamp body comprises two first disassembly and assembly bodies which are oppositely arranged and detachably connected; a first annular groove is formed in the side face, opposite to the second clamp body, of the first clamp body, and a first annular rubber ring is arranged in the first annular groove; open slots with two ends penetrating through are arranged on the opposite end faces of the two first dismounting bodies along the axial direction, the rubber strip is configured to be positioned in a channel formed by the two open slots when the two first dismounting bodies are connected, and one end of the rubber strip is propped against the first annular rubber ring. The utility model provides a leaking stoppage anchor clamps can improve the leakproofness between two first dismouting bodies.

Description

A plugging fixture

technical field

The utility model relates to the technical field of oil and gas transportation, in particular to a plugging clamp.

Background technique

During the operation of the pipeline system, when a leak occurs at the root of the insulating flange of the insulating joint, the pipeline medium will seep out from the leak, which will cause a large safety hazard to the safe operation of the pipeline, and also cause pollution and safety to the surrounding environment. Hidden danger. Generally, plugging fixtures are used to repair the leak.

At present, the plugging clamps commonly used in oil fields include a first clamp body and a second clamp body. The first clamp body includes two oppositely arranged and detachably connected first disassembly bodies. The second detachable body is detachably connected; the end surface of the first fixture body opposite to the second fixture body is respectively provided with a plurality of annular grooves, and annular rubber rings or sealing rings are respectively arranged in the plurality of annular grooves. When in use, put the two first detachable bodies on the pipeline on the side close to the leaking side of the insulating joint, and connect the two first detachable bodies; put the two second detachable bodies on the other side of the insulating joint respectively. On one side of the pipeline, connect two second detachable bodies; then connect the first detachable body with the corresponding second detachable body, so that the sealing ring and the annular rubber ring are close to the insulating joint to seal the leakage.

In the process of realizing the utility model, the designer finds that the prior art has at least the following problems:

When the existing plugging jig is used, since the two first dismountable bodies are made of steel, the sealing performance between them is not good, and the pipeline medium may flow out from between the two first dismountable bodies.

Utility model content

In order to solve the above technical problems, the utility model provides a plugging fixture to improve the sealing performance between the two first detachable bodies.

Specifically, the following technical solutions are included:

The utility model provides a plugging fixture, which comprises a first fixture body, a second fixture body, a rubber strip and a first annular rubber ring, wherein,

The first clamp body and the second clamp body are detachably connected, and are configured such that, in use, the first clamp body is sleeved on the pipe on the side where the insulating joint leaks, and the second clamp body Set on the pipe on the other side of the insulating joint;

The first clamp body includes two oppositely arranged and detachably connected first detachable bodies;

A first annular groove is provided on the end surface of the first clamp body opposite to the second clamp body, and the first annular rubber ring is disposed in the first annular groove;

On the opposite end surfaces of the two first detachable bodies, there are open grooves through which both ends are arranged along the axial direction, and the rubber strip is configured to be located between the two first detachable bodies when the two first detachable bodies are connected. In the channel formed by the open groove, and one end is against the first annular rubber ring.

Optionally, a side of the first clamp body opposite to the second clamp body and close to the pipe forms a chamfer, and a first sealing ring is provided at the chamfer.

Optionally, a second annular groove is further provided on the end surface of the first clamp body opposite to the second clamp body, a third annular groove is provided on the inner wall of the first clamp body, and the first clamp body A second sealing ring is arranged in the second annular groove, and a second annular rubber ring is arranged in the third annular groove.

Optionally, the second sealing ring and the first annular rubber ring are respectively provided with open grooves, and the other end of the rubber strip abuts against the second annular rubber ring.

Optionally, the leakage plugging fixture further includes a pressure ring and an end cover, the pressure ring is arranged between the inner wall of the first clamp body and the pipe, the end cover and the end cover of the first clamp body an end face connection away from the second fixture body;

One end of the pressure ring abuts against the second annular rubber ring, and the other end abuts against the end cap.

Optionally, the pressure ring includes two semicircular rings.

Optionally, the second clamp body includes two oppositely disposed and detachably connected second detachable bodies, wherein when the two second detachable bodies are connected, the opposite sides cooperate to clamp the pipe.

Optionally, both ends of the first detachable body are respectively provided with first connectors, and both ends of the second detachable body are respectively provided with second connectors;

The first connecting part is provided with a first through hole and a second through hole, and the second connecting part is provided with a third through hole and a fourth through hole;

Wherein, the first bolt connects the two first detachable bodies through the first through holes of the two first detachable bodies, and the second bolt passes through the two second detachable bodies. The third through hole connects the two second detachable bodies, and the third bolt connects the first detachable book and the second detachable body through the second through hole and the corresponding fourth through hole. Ontology connection.

Optionally, the first disassembly body is provided with a glue injection channel penetrating through both ends along the radial direction of the first clamp body.

Optionally, a sealing screw is provided at the injection port of the injection channel.

Optionally, the end surface of the first clamp body facing away from the second clamp body is provided with a plurality of fifth through holes in the axial direction, and the end surface of the second clamp body facing away from the first clamp body is provided in the axial direction. There is a sixth through hole corresponding to the fifth through hole, and the fourth bolt connects the first clamp body and the second clamp body through the fifth through hole and the corresponding sixth through hole. connect.

The beneficial effect of the technical scheme that the utility model embodiment provides is:

In the plugging fixture provided by the embodiment of the present invention, a first fixture body and a second fixture body that are detachably connected are arranged on the pipelines at both ends of the insulating joint, so as to clamp the two ends of the insulating joint; by setting the first fixture body Consisting of two removable bodies that can be detachably connected, it is convenient for the first fixture body to be placed on the pipeline; when the first removable body is connected, the rubber strip is arranged in the two opening grooves of the two first removable bodies In the channel, the rubber strip improves the sealing performance between the two first dismountable bodies, preventing the medium leaked through the leakage of the insulating joint from flowing out through the gap between the two first dismountable bodies.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some implementations of the present invention. For example, those of ordinary skill in the art can also obtain other drawings based on these drawings on the premise of not paying creative efforts.

Fig. 1 is the schematic diagram of the plugging fixture provided by the embodiment of the present invention when in use;

Fig. 2 is a partial schematic view of the leakage plugging fixture provided by the embodiment of the present invention;

Fig. 3 is a side view of the leakage plugging fixture provided by the embodiment of the present invention.

The reference signs in the figure represent respectively:

1. The first fixture body;

101. The first disassembly and assembly of the main body;

1011. Glue injection channel;

102. The first connector;

2. The second fixture body;

201, the second disassembly body;

202. The second connector;

3. Rubber strips;

4. The first sealing ring;

5. The second sealing ring;

6. The first annular rubber ring;

7. The second annular rubber ring;

8. Pressure ring;

9. End cover;

10. The first bolt;

11. The second bolt;

12. The third bolt;

13. Sealing screw;

14. The fourth bolt;

15. The first screw;

16. The second screw;

17, limit block.

Detailed ways

In order to make the technical solutions and advantages of the present utility model clearer, the implementation of the present utility model will be further described in detail below in conjunction with the accompanying drawings.

An embodiment of the utility model provides a plugging fixture, as shown in Figure 1, comprising a first fixture body 1, a second fixture body 2, a rubber strip 3 and a first annular rubber ring 6, wherein,

The first clamp body 1 and the second clamp body 2 are detachably connected, and are configured such that the first clamp body 1 is set on the pipeline on the side where the insulating joint leaks, and the second clamp body 2 is set on the other side of the insulating joint. on the side pipe;

The first fixture body 1 includes two first detachable bodies 101 that are oppositely arranged and detachably connected;

The end face of the first clamp body 1 opposite to the second clamp body 2 is provided with a first annular groove (not shown in the figure, located at the first annular rubber ring 6), the first annular rubber ring 6 set in the first annular groove;

On the opposite end faces of the two first detachable bodies 101, an open slot (not shown in the figure, located at the rubber strip 3) through which both ends are arranged along the axial direction, the rubber strip 3 is configured to be used when the two When the first disassembly body 101 is connected, it is located in the channel formed by the two open grooves, and one end of the rubber strip 3 is against the first annular rubber ring 6 .

The working principle of the plugging fixture provided by the embodiment of the present invention is described below:

When in use, first put the two first clamp bodies 1 on the pipeline on the side where the insulating joint leaks, and put the second clamp body 2 on the pipeline on the other side of the insulating joint. When the two first dismountable bodies 101 of the first clamp body 1 are assembled, the rubber strip 3 is placed in the channel formed by the two opening grooves of the two first dismountable bodies 101, and finally the first clamp body 1 and The second clamp body 2 is connected.

The rubber strip 3 located between the two first detachable bodies 101 can improve the sealing between the two first detachable bodies 101 and prevent the medium leaking through the leakage of the insulating joint from passing through the two first detachable bodies 101 The gap between them flows out, thus improving the plugging performance of the plugging fixture.

In the plugging clamp provided by the embodiment of the present invention, the first clamp body 1 and the second clamp body 2 are arranged on the pipes at both ends of the insulating joint, so as to clamp the two ends of the insulating joint; by setting the first The fixture body 1 includes two detachably connected detachable bodies 101, which is convenient for the first fixture body 1 to be arranged on the pipeline; when the first detachable body 101 is connected, the rubber strip 3 is arranged on the two first detachable bodies In the channel formed by the two opening grooves of 101, the rubber strip 3 improves the sealing between the two first disassembly bodies 101, and prevents the medium leaking through the leakage of the insulating joint from passing through the two first disassembly bodies 101 gaps between.

As shown in Figure 3, when the two first detachable bodies 101 are connected together, a limit block 17 is provided between the opposite end faces to prevent the two first detachable bodies 101 from being too tightly fitted. The rubber strip 3 loses its elasticity, thereby losing its sealing effect.

In order to put the second clamp body 2 on the pipeline, as shown in FIG. When 201 is connected, the opposite sides cooperate to clamp the pipe.

In this way, when installing the plugging tool, place the two second detachable bodies 201 on the pipe at one end of the insulating joint, and then connect the opposite end faces of the two second detachable bodies 201 .

As a way to detachably connect the two first detachable bodies 101, the two ends of the two first detachable bodies 101 are respectively provided with a first connecting piece 102, and the first connecting piece 102 is along the edge of the first fixture body 1. A first through hole (not shown in the figure, located at the first bolt 10 ) is provided in the radial direction. In this way, as shown in FIG. 3 , the two first detachable bodies 101 can be connected by using the first bolt 10 to pass through the first through holes on the two corresponding first connecting parts 102 . When disassembling, the first bolt 10 can be taken out from the first through hole. The structure is simple and easy to disassemble.

As a way of the detachable connection of the two second detachable bodies 201, the two ends of the two second detachable bodies 201 are respectively provided with second connectors 202, and the upper edge of the second connector 202 is along the edge of the second fixture body 2. A third through hole (not shown in the figure, located at the second bolt 11 ) is provided in the radial direction. In this way, as shown in FIG. 3 , the two second detachable bodies 201 can be connected by using the second bolt 11 through the third through holes on the two corresponding second connecting parts 202 . When dismounting, just take out the second bolt 11 from the third through hole. The structure is simple and easy to disassemble.

As a way for the detachable connection between the first clamp body 1 and the second clamp body 2, a second through hole is provided on the first connecting piece 102 along the axial direction of the first clamp body 1 (without reference numerals in the figure). shown, located at the third bolt 12), the second connecting member 202 is provided with a fourth through hole along the axial direction of the second fixture body 2 (not shown with reference numerals in the figure, located at the third bolt 12 ).

In this way, the first clamp 1 and the second clamp body 2 can be connected by using the third bolt 12 through the third through hole and the opposite fourth through hole.

As shown in Figure 3, two third through holes can be set on each first clamp body 1, and two fourth through holes can be correspondingly set on each second clamp body 2, so that the first clamp body 1 and The connection of the second clamp body 2 is more firm. The structure is simple and easy to disassemble.

In order to further improve the firmness of the first clamp body 1 and the second clamp body 2, as shown in FIG. A plurality of fifth through holes (not shown in the figure, located at the fourth bolt 14 ) are opened along the axial direction of the first clamp body 1 on the boss, and the second clamp body 2 is away from the second clamp body 2 An annular boss is extended from one end of one end to the direction away from the pipeline, and a sixth through hole corresponding to the fifth through hole is opened on the annular boss along the axial direction of the second fixture body 2 (no reference numerals are used in the figure). As shown, located at the fourth bolt 14), the fourth bolt 14 connects the first fixture body 1 and the second fixture body 2 through the fifth through hole and the corresponding sixth through hole.

In order to improve the plugging performance of the leak-stopping clamp, as shown in Figure 1, the side of the first clamp body 1 opposite to the second clamp body 2 and close to the pipeline forms a chamfer, and a first sealing ring 4 is provided at the chamfer . When the first fixture body 1 is connected to the second fixture body 2, tighten the third bolt 12 and the fourth bolt 14, under the interaction force of the two, the chamfer of the first fixture body 1 presses the first sealing ring 4. Make the sealing between the first clamp body 1 and the insulating joint better, and prevent the medium flowing out through the leakage of the insulating joint from flowing out through the gap between the first clamp body 1 and the pipeline.

In order to improve the sealing performance between the leak-stopping fixture and the insulating joint, and further enhance the leak-stopping performance of the leak-stopping fixture, as shown in Figure 1, the first fixture body 1 is also provided with a second An annular groove (not shown in the figure, located at the second sealing ring 5 ), the second sealing ring 5 is arranged in the second annular groove. In order to further improve the sealing performance between the leak-stopping clamp and the pipeline, a third annular groove (not shown by reference numerals in the figure, located at the second annular rubber ring 7) is provided on the inner wall of the first clamp body 1, A second annular apron 7 is arranged in the third annular groove, and the other end of the rubber strip 3 abuts against the second annular apron 7 .

In this way, when the first clamp body 1 and the second clamp body 2 are sleeved on the pipes at both ends of the insulating joint and connected, the end face of the first clamp body 1 opposite to the second clamp body 2 will be attached to the end face of the insulating joint , the second sealing ring 5 and the first annular rubber ring 6 are tightly attached to the end face of the insulating joint, which can improve the sealing performance between the first fixture body 1 and the insulating joint, and prevent the medium flowing out from the leakage of the insulating joint through the first Outflow between the fixture body 1 and the insulating joint. When the inner wall of the first clamp body 1 is attached to the outer wall of the pipeline, the second annular rubber ring 7 is tightly attached to the outer wall of the pipeline, preventing the medium flowing out from the leakage of the insulating joint from flowing out between the first clamp body 1 and the pipeline. Therefore, the second sealing ring 5 , the first annular rubber ring 6 and the second annular rubber ring 7 can improve the leak-stopping performance of the leak-stopping fixture.

In this embodiment, the second sealing ring 5 and the first annular rubber ring 6 are respectively provided with opening grooves. When the second sealing ring 5 and the first annular rubber ring 6 are squeezed, they are compressed and deformed to become longer, and the deformation makes the opening groove filled, and then the second sealing ring 5 and the first annular rubber ring 6 are bonded everywhere Insulate the end face of the joint or the outer wall of the pipe. The setting of the opening groove can prevent the second sealing ring 5 and the first annular rubber ring 6 from deforming greatly and not achieving the sealing effect.

As shown in Fig. 1, the leak-stopping clamp also includes a pressure ring 8 and an end cover 9, the pressure ring 8 is arranged between the inner wall of the first clamp body 1 and the pipe, and the end cover 9 and the first clamp body 1 are away from the second clamp The end face of the body 2 is connected.

As shown in Figure 3, a threaded hole (not shown in the figure, located at the first screw 15) is provided on the annular boss of the first fixture body 1, and the end cap 9 starts to be connected with the annular boss again. The threaded holes on the top correspond to the threaded holes (not shown in the figure, located at the first screw 15), and the first screw 15 is used to pass the corresponding threaded holes on the annular boss and the end cover 9 to connect the end The cover 9 is connected with the first clamp body 1 .

As shown in FIG. 3 , the end cover 9 is also provided with a plurality of threaded holes for installing the second screws 16 (not shown in the figure, located at the second screws 16 ).

In this way, after the second annular rubber ring 7 is placed in the third annular groove, the pressure ring 8 is first arranged between the first disassembly body 101 and the pipe, and then the end cover 9 and the first clamp body 1 The ring boss connection. The third bolt 12 and the fourth bolt 14 are fastened, and the second screw 16 presses the pressure ring 8, so that the pressure ring 8 is pressed against the second annular rubber ring 7 to deform, thereby improving the sealing performance between the leakage plugging fixture and the pipeline.

As shown in FIG. 1 , there may be two pressure rings 8 . The embodiment of the present utility model does not limit the number of pressure rings 8 , and the number of pressure rings 8 provided can be determined according to the distance between the second annular rubber ring 7 and the gland 9 .

In order to facilitate the installation of the pressure ring 8, the pressure ring 8 includes two semicircular rings. When installing the pressure ring 8, place the two semi-circular rings between the pipe and the first fixture body 1, respectively, so that the two ends of the semi-circular rings fit together to form a circular ring.

In order to further improve the sealing performance between the first clamp body 1 and the end face of the insulating joint, as shown in FIG. Glue Channel 1011. Specifically, the number of glue injection channels 1011 provided on the first disassembly body 101 may be multiple.

In this way, after the plugging fixture is installed, inject the sealant into the glue injection channel 1011, so that the sealant enters the glue chamber between the two first disassembly bodies 101 and the outer wall of the pipeline through the glue injection channel 1011 , the sealing performance between the first clamp body 1 and the end face of the insulating joint can be further improved.

After the glue injection is completed, as shown in FIG. 3 , a sealing screw 13 is provided in the glue injection channel 1011 . The sealing screw 13 plays a role of sealing the glue injection channel 1011 to prevent the sealant from flowing out from the glue injection channel 1011 . As shown in FIG. 3 , four sealing screws 13 are provided on each first disassembly body 101 , and each sealing screw 13 seals the corresponding glue injection channel 1011 .

After the sealant is injected into the glue chamber, a sealing rubber ring is formed in the glue chamber between the two first detachable bodies 101 and the outer wall of the pipeline, which can further improve the sealing performance between the first fixture body 1 and the pipeline.

The above description is only for those skilled in the art to understand the technical solution of the utility model, and is not intended to limit the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (11)

1. a kind of blocking clamper, which is characterized in that including the first chuck body (1), the second chuck body (2), adhesive tape (3) and One ring apron (6), wherein

First chuck body (1) and second chuck body (2) are detachably connected, and are configured as described when in use First chuck body (1) is set on the pipeline for the side that insulating joint leaks, and second chuck body (2) is set in On the pipeline of the insulating joint other side；

First chuck body (1) includes two the first dismounting ontologies (101) for being oppositely arranged and being detachably connected；

It is provided with first annular groove on the end face opposite with second chuck body (2) of first chuck body (1), The first annular cushion rubber (6) is arranged in the first annular groove；

Two first dismounting ontologies (101) are in axial direction provided with the perforative open slot in both ends, institute on opposite end face Adhesive tape (3) is stated to be configured as leading to positioned at what two open slots formed when two first dismounting ontologies (101) are connected In road, and one end resists the first annular cushion rubber (6).

2. blocking clamper according to claim 1, which is characterized in that first chuck body (1) with described second Chuck body (2) it is opposite and with the pipeline close to side form chamfering, be provided with the first sealing ring (4) at the chamfering.

3. blocking clamper according to claim 1, which is characterized in that first chuck body (1) is pressed from both sides with described second It is additionally provided with second annular groove on tool ontology (2) opposite end face, the is provided on the inner wall of first chuck body (1) Three annular grooves are provided with the second sealing ring (5) in the second annular groove, second are provided in the third annular groove Ring apron (7), the other end of the adhesive tape (3) offset with second ring apron (7).

4. blocking clamper according to claim 3, which is characterized in that second sealing ring (5) and described first annular Cushion rubber is respectively arranged with open slot on (6).

5. blocking clamper according to claim 3, which is characterized in that the blocking clamper further includes pressure ring (8) and end cap (9), the pressure ring (8) is arranged between the inner wall and the pipeline of first chuck body (1), the end cap (9) and institute State being connected away from the end face of second chuck body (2) for the first chuck body (1)；

One end of the pressure ring (8) offsets with second ring apron (7), and the other end offsets with the end cap (9).

6. blocking clamper according to claim 5, which is characterized in that the pressure ring (8) includes two semicircular rings.

7. blocking clamper according to claim 1, which is characterized in that second chuck body (2) includes two opposite The the second dismounting ontology (201) for being arranged and being detachably connected, wherein when two second dismounting ontologies (201) connect, phase To side cooperation the pipeline is clamped.

8. blocking clamper according to claim 7, which is characterized in that the both ends difference of the first dismounting ontology (101) It is provided with the first connector (102), the both ends of the second dismounting ontology (201) are respectively arranged with the second connector (202)；

It is provided with first through hole and the second through-hole on first connector (102), is provided on second connector (202) Third through-hole and fourth hole；

Wherein, the first bolt (10) by the first through hole of two first dismounting ontologies (101) by two described the One dismounting ontology (101) connects, and the second bolt (11) will by the third through-hole of two second dismounting ontologies (201) Two second dismounting ontologies (201) connect, and third bolt (12) passes through second through-hole and the corresponding four-way Hole dismounts ontology (101) by described first and the second dismounting ontology (201) connects.

9. blocking clamper according to claim 1, which is characterized in that the first dismounting ontology (101) is along described first The radial direction of chuck body (1) offers the perforative glue injection channel in both ends (1011).

10. blocking clamper according to claim 9, which is characterized in that set at the inlet of the glue injection channel (1011) It is equipped with sealing screw (13).

11. according to claim 1-10 any one of them blocking clampers, which is characterized in that the first chuck body (1) back of the body End face from second chuck body (2) is provided in the axial direction with multiple fifth holes, and second chuck body (2) deviates from institute The end face for stating the first chuck body (1) is provided in the axial direction with and one-to-one 6th through-hole of the fifth hole, the 4th bolt (14) by the fifth hole and corresponding 6th through-hole by first chuck body (1) and the second fixture sheet Body (2) connects.