CN211398950U - Connecting elbow - Google Patents

Abstract

The utility model discloses a connecting elbow, including elbow and connecting pipe, one side outer wall of elbow and connecting pipe is provided with the sealed pad of first sealed pad and second respectively, the first sealed pad is provided with the arch, the sealed pad of second is provided with the recess, the specification looks adaptation of bellied specification and recess. The utility model can perfectly butt joint the elbow and the connecting pipe by utilizing the bulges and the grooves, and can greatly reduce the connecting gap; further sealing is carried out to elbow and connecting pipe that can be fine, prevents that the gas-liquid of inside transportation from leaking, and the sealed wearing and tearing of filling up of in-process that the sealing washer can be fine simultaneously prevents the installation.

Description

Connecting elbow

Technical Field

The utility model relates to a steel pipe technical field especially relates to a connect elbow.

Background

The connecting elbow is used for connecting two sections of pipelines which are vertically arranged, but two sections of the connecting elbow in the prior art which are vertically arranged are directly vertically connected with each other, the bolt connection at the joint is more in the connecting mode, meanwhile, the sealing effect is extremely poor, and the bolt is easily corroded after long-term use.

Therefore, it is desirable to design a connecting elbow 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 connecting elbow.

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

the utility model provides a connecting elbow, includes elbow and connecting pipe, one side outer wall of elbow and connecting pipe is provided with first sealed pad and the sealed pad of second respectively, first sealed pad is provided with the arch, the sealed pad of second is provided with the recess, bellied specification and the specification looks adaptation of recess.

Furthermore, the connecting sleeves are sleeved outside the elbow and the connecting pipe.

Furthermore, the outer parts of the elbow and the connecting pipe are both connected with threaded sleeves in a threaded manner, and the two threaded sleeves are respectively positioned on two sides of the connecting sleeve.

Furthermore, the inside of adapter sleeve is provided with the sealing washer, the sealing washer is located the outside of elbow and connecting pipe.

Furthermore, two oil filling sponge rings are arranged inside the connecting sleeve and are respectively positioned on two sides of the sealing ring.

Furthermore, the connecting sleeve is in threaded connection with four fixing bolts, two of the fixing bolts are in threaded connection with the elbow, and the other two fixing bolts are connected with the connecting pipe.

The utility model has the advantages that:

1. through the first sealing gasket and the second sealing gasket that set up, the perfect butt joint of elbow and connecting pipe is sealed with the recess to utilization arch that can be fine, reduction connection gap that can be by a wide margin.

2. Through the sealing washer that sets up, can be fine carry out further sealed to elbow and connecting pipe, prevent that the gas-liquid of inside transportation from leaking, the wearing and tearing of the sealed pad of in-process that the sealing washer can be fine simultaneously of preventing the installation.

3. Through the oiling sponge circle that sets up, the exchange of the separation intraductal and outside of tubes gas that oiling sponge circle can be further, simultaneously can be fine with oil attached to fixing bolt's surface, the corrosion that prevents the bolt that can be fine, permanent putting uses outward and damages and lead to the adapter sleeve not hard up, the gas-liquid of transportation leaks.

Drawings

Fig. 1 is a schematic structural view of a connecting elbow according to the present invention;

fig. 2 is a schematic structural view of a second sealing gasket of a connecting elbow according to the present invention;

fig. 3 is a schematic view of a first sealing gasket structure of a connecting elbow according to the present invention.

In the figure: the oil injection device comprises an elbow 1, a connecting pipe 2, a connecting sleeve 3, a fixing bolt 4, a sealing ring 5, an oil injection sponge ring 6, a first sealing gasket 7, a second sealing gasket 8, a groove 9 and a protrusion 10.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1 to 3 simultaneously, a connecting elbow comprises an elbow 1 and a connecting pipe 2, a first sealing gasket 7 and a second sealing gasket 8 are respectively arranged on the outer walls of one side of the elbow 1 and the connecting pipe 2, the first sealing gasket 7 is provided with a protrusion 10, the second sealing gasket 8 is provided with a groove 9, the specification of the protrusion 10 is matched with that of the groove 9, the first sealing gasket 7 and the second sealing gasket 8 can perfectly butt the elbow 1 and the connecting pipe 2 by using the protrusion 10 and the groove 9, and the connecting gap can be greatly reduced.

Furthermore, the connecting sleeves 3 are sleeved outside the elbow 1 and the connecting pipe 2.

Further, the outer parts of the elbow 1 and the connecting pipe 2 are both connected with thread sleeves in a threaded manner, and the two thread sleeves are respectively positioned on two sides of the connecting sleeve 3.

Further, the inside of adapter sleeve 3 is provided with sealing washer 5, and sealing washer 5 is located elbow 1 and connecting pipe 2's outside, and further sealed is carried out to elbow 1 and connecting pipe 2 that sealing washer 5 can be fine, prevents that the gas-liquid of inside transportation from leaking, and the wearing and tearing of the sealed pad of in-process that prevents the installation that sealing washer 5 can be fine simultaneously.

Further, the inside of adapter sleeve 3 is provided with two oiling sponge circles 6, and two oiling sponge circles 6 are located the both sides of sealing washer 5 respectively, and through the oiling sponge circle 6 that sets up, the exchange of the separation intraductal and outside of tubes gas that oiling sponge circle 6 can be further, simultaneously can be fine with oil attached to fixing bolt 4's surface, the corrosion of the bolt that prevents that can be fine, permanent putting outer use and damage and lead to adapter sleeve 3 not hard up, prevent that the gas-liquid of transportation from leaking.

Further, the connecting sleeve 3 is in threaded connection with four fixing bolts 4, wherein two fixing bolts 4 are in threaded connection with the elbow 1, and the other two fixing bolts 4 are connected with the connecting pipe 2.

Example 1

The utility model provides a connecting elbow, including elbow 1 and connecting pipe 2, one side outer wall of elbow 1 and connecting pipe 2 is provided with first sealed 7 and the sealed 8 of sealing up of second respectively, first sealed 7 of sealing up is provided with protruding 10, the sealed 8 of sealing up of second is provided with recess 9, protruding 10 specification and recess 9's specification looks adaptation, first sealed 7 and the sealed 8 of sealing up of second, protruding 10 of utilization and recess 9 that can be fine are with elbow 1 and the perfect butt joint of connecting pipe 2, reduction connection gap that can be by a wide margin.

Wherein, the outsides of the elbow 1 and the connecting pipe 2 are sleeved with a connecting sleeve 3; the outer parts of the elbow 1 and the connecting pipe 2 are both connected with threaded sleeves in a threaded manner, and the two threaded sleeves are respectively positioned at two sides of the connecting sleeve 3; the sealing ring 5 is arranged inside the connecting sleeve 3, the sealing ring 5 is positioned outside the elbow 1 and the connecting pipe 2, the sealing ring 5 can well seal the elbow 1 and the connecting pipe 2 to prevent gas and liquid in internal transportation from leaking, and meanwhile, the sealing ring 5 can well prevent the abrasion of a sealing gasket in the installation process; two oil filling sponge rings 6 are arranged in the connecting sleeve 3, the two oil filling sponge rings 6 are respectively positioned at two sides of the sealing ring 5, the oil filling sponge rings 6 can further separate the exchange of gas inside and outside the pipe through the arranged oil filling sponge rings 6, and meanwhile, oil can be well attached to the surface of the fixing bolt 4, so that the bolt can be well prevented from being rusted, the connecting sleeve 3 is damaged due to long-term external use, and the leakage of transported gas and liquid is prevented; the connecting sleeve 3 is in threaded connection with four fixing bolts 4, wherein two fixing bolts 4 are in threaded connection with the elbow 1, and the other two fixing bolts 4 are connected with the connecting pipe 2.

In summary, the following steps: when the connecting piece is used, the first sealing gasket 7 and the second sealing gasket 8 can perfectly utilize the protrusion 10 and the groove 9 to perfectly butt joint the elbow 1 and the connecting pipe 2, so that a connecting gap can be greatly reduced; the sealing ring 5 can further seal the elbow 1 and the connecting pipe 2 well, so that gas-liquid leakage in internal transportation is prevented, and meanwhile, the sealing ring 5 can well prevent grinding of a sealing gasket in the installation process; through the oiling sponge circle 6 that sets up, 6 can be further in the separation pipe of oiling sponge circle with the gaseous exchange of outside of tubes, simultaneously can be fine with oil attached to the surface of fixing bolt 4, the corrosion of the bolt that prevents that can be fine, permanent putting uses outward and damages and lead to adapter sleeve 3 not hard up, prevents that the gas-liquid of transportation from leaking.

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. The utility model provides a connecting elbow, includes elbow (1) and connecting pipe (2), its characterized in that, one side outer wall of elbow (1) and connecting pipe (2) is provided with first sealed pad (7) and the sealed pad (8) of second respectively, first sealed pad (7) are provided with protruding (10), the sealed pad (8) of second is provided with recess (9), the specification of protruding (10) and the specification looks adaptation of recess (9).

2. A connecting bend according to claim 1, characterised in that the connecting sleeves (3) are sleeved on the outside of the bend (1) and the connecting pipe (2).

3. A connecting elbow according to claim 1, characterised in that the outside of the elbow (1) and the connecting pipe (2) is screwed with threaded sleeves, which are located on both sides of the connecting sleeve (3).

4. A connecting elbow according to claim 2, characterised in that the connecting sleeve (3) is provided on the inside with a sealing ring (5), which sealing ring (5) is located on the outside of the elbow (1) and the connecting pipe (2).

5. A connecting elbow according to claim 4, characterised in that the connecting sleeve (3) is provided with two oil filling sponge rings (6) inside, the two oil filling sponge rings (6) being located on either side of the sealing ring (5).

6. A connecting elbow according to claim 2, characterised in that the connecting sleeve (3) is screwed with four fixing bolts (4), of which two fixing bolts (4) are screwed with the elbow (1) and the other two fixing bolts (4) are connected with the connecting pipe (2).

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