CN213629293U

CN213629293U - Pipeline connecting joint and wrench

Info

Publication number: CN213629293U
Application number: CN202022187695.2U
Authority: CN
Inventors: 马斌
Original assignee: Shaanxi Datang Gas Safety Technology Co ltd
Current assignee: Shaanxi Datang Gas Safety Technology Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-07-06
Anticipated expiration: 2030-09-29

Abstract

The utility model provides a pair of pipeline joint connects and spanner, include: the connecting part is arranged at the end part of the clamping part; the clamping part is detachably connected with the pipeline through a connecting part; the surface of joint portion is the smooth surface, is provided with at least one first socket point on the surface of joint portion. On the other hand, the utility model provides a wrench, which is used for screwing the pipeline connecting joint and comprises a handle, an arc-shaped connecting piece arranged at the end part of the handle and a second bearing point arranged on the bent inner side surface of the arc-shaped connecting piece; the second socket point is matched with the first socket point. The pipeline connecting joint provided by the embodiment of the utility model can be opened only by matching the wrench in the embodiment, and the existing wrench can not be opened; the possibility that a user personally detaches indoor gas pipelines and equipment is reduced, and a gas company can perform construction, maintenance and other operations through the wrench provided in the embodiment.

Description

Pipeline connecting joint and wrench

Technical Field

The utility model relates to a technical field is torn open in the pipeline theftproof, especially involves and is a pipeline attach fitting and spanner.

Background

Most of accidents in the gas industry are indoor, and especially the theft and the private refitting of indoor gas bring great hidden dangers to the safe use of the gas. The pipeline connecting joint is used as a necessary component for connecting and converting a gas pipe with components in pipelines such as a home master valve, a gas meter, a water heater, a self-closing valve and the like; the connection joint is required to be disassembled for both the gas theft and the private refitting. The existing connecting joints are all screwed up by adopting a common wrench, and the joints are provided with hexagonal clamping surfaces, so that the connecting joints can be easily disassembled by only using the wrench, the anti-theft and anti-disassembly functions cannot be realized, and the conditions of gas theft, private refitting, gas suicide and the like are easy to occur, thereby bringing property loss and great potential safety hazards to gas companies and users.

SUMMERY OF THE UTILITY MODEL

In order to solve prior art, current attach fitting all adopts ordinary spanner to screw up, connects to be equipped with the hexagonal clamping face, only needs can easily dismantle with the spanner, can't play the technical problem of theftproof, anti-disassembly function, the utility model provides a pipeline attach fitting and spanner, concrete technical scheme is as follows:

in a first aspect, an embodiment of the present invention provides a pipe connection joint, include: the connecting part is arranged at the end part of the clamping part; the clamping part is detachably connected with the pipeline through the connecting part; the outer surface of the clamping portion is a smooth surface, and at least one first insertion point is arranged on the outer surface of the clamping portion.

Further, the connecting part comprises a first connecting part and a second connecting part; the first connecting portion is arranged at one end of the clamping portion, and the second connecting portion is arranged at the other end of the clamping portion.

Further, the structure of the first connecting part is an internal thread structure or an external thread structure; the structure of the second connecting part is an internal thread structure or an external thread structure.

Further, the clamping portion and the connecting portion are integrally formed.

Further, the shape of the first socket point is convex or concave; the cross-sectional shape of the first socket point is circular or polygonal.

Further, the smooth surface is any one of a smooth cylinder, a smooth sphere and a smooth waist drum.

On the other hand, the utility model provides a wrench for twist the above-mentioned pipeline connection joint, including handle, the arcuation connecting piece that sets up in the handle tip, set up the second socket point on the bending medial surface of the arcuation connecting piece; the second socket point is matched with the first socket point.

Furthermore, the device also comprises a locking bolt; the arc-shaped connecting piece comprises a first arc-shaped piece and a second arc-shaped piece, the second socket point is arranged on the second arc-shaped piece, a penetrating threaded hole is formed in the second arc-shaped piece, a columnar through hole is formed in the first arc-shaped piece, and the locking bolt penetrates through the columnar through hole and is in threaded connection with the threaded hole; the locking bolt is used for locking the first arc-shaped part and the second arc-shaped part.

Further, the second socket point is convex or concave; when the first socket point is convex, the second socket point is concave; when the first socket point is concave, the second socket point is convex; the cross section of the second insertion point is circular or polygonal; the cross-sectional shape of the first socket point is the same as the cross-sectional shape of the second socket point.

The utility model provides a pair of pipeline joint connects, include: the connecting part is arranged at the end part of the clamping part; the clamping part is detachably connected with the pipeline through a connecting part; the surface of joint portion is the smooth surface, is provided with at least one first socket point on the surface of joint portion. On the other hand, the utility model provides a wrench, which is used for screwing the pipeline connecting joint and comprises a handle, an arc-shaped connecting piece arranged at the end part of the handle and a second bearing point arranged on the bent inner side surface of the arc-shaped connecting piece; the second socket point is matched with the first socket point.

In the using process, a second socket point and a first socket point which are arranged on the wrench are in inserting fit, the arc-shaped connecting piece is clamped on the smooth surface, the contact point of the arc-shaped connecting plate and the side surface of the clamping part is taken as an acting point, the handle is rotated, the clamping part is further driven to rotate, the connecting part is locked or separated with the pipeline, and the pipeline connecting joint provided by the embodiment of the utility model can be opened only by matching the wrench in the embodiment, and the existing wrench can not be opened; the possibility that a user personally detaches indoor gas pipelines and equipment is reduced, and a gas company can perform construction, maintenance and other operations through the wrench provided in the embodiment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

Fig. 1 is a schematic structural view of a concave pipeline connection joint with external threads at two ends according to an embodiment of the present invention.

Fig. 2 is a schematic sectional view taken along the line a-a in fig. 1.

Fig. 3 is a schematic structural view of the male type pipeline connection joint with external threads at two ends provided by the embodiment of the utility model.

Fig. 4 is a side view of the structure of fig. 3.

Fig. 5 is a schematic structural view of a concave pipeline connection joint with internal threads at two ends according to an embodiment of the present invention.

Fig. 6 is a schematic sectional view taken along the line a-a in fig. 5.

Fig. 7 is a schematic structural view of a loose joint concave pipeline connection joint according to an embodiment of the present invention.

Fig. 8 is a schematic sectional view taken along line a-a of fig. 7.

Fig. 9 is a schematic structural view of a connection joint of a male type pipeline with internal threads at two ends provided by the embodiment of the present invention.

Fig. 10 is a side view of the structure of fig. 9.

Fig. 11 is a schematic structural view of a concave pipeline connector with internal and external threads according to an embodiment of the present invention.

Fig. 12 is a schematic sectional view taken along the line a-a in fig. 11.

Fig. 13 is a schematic structural view of the male internal and external thread pipe connection joint according to an embodiment of the present invention.

Fig. 14 is a schematic sectional view taken along the line a-a in fig. 13.

Fig. 15 is a schematic structural view of a loose joint concave pipeline connection joint according to an embodiment of the present invention.

Fig. 16 is a sectional view along the line a-a in fig. 15.

Fig. 17 is a schematic structural view of the spherical clamping surface as the smooth surface according to the embodiment of the present invention.

Fig. 18 is a schematic structural view of a fastening surface of the present invention, which has a drum shape as a smooth surface.

Fig. 19 is a schematic structural view of a pipeline connection joint in which the cross-sectional shape of the first insertion point is a triangle according to an embodiment of the present invention.

Fig. 20 is a schematic structural view of a pipeline connection joint in which the cross-sectional shape of the first socket point is square according to an embodiment of the present invention.

Fig. 21 is a schematic structural view of a pipeline connection joint in which a cross-sectional shape of a first socket point is a hexagon according to an embodiment of the present invention.

Fig. 22 is a schematic structural diagram of a pipe joint according to an embodiment of the present invention, in which a cross-sectional shape of the first insertion point is a star shape.

Fig. 23 is a schematic structural view of a male fixed wrench according to an embodiment of the present invention.

Fig. 24 is a schematic structural view of a concave fixed wrench according to an embodiment of the present invention.

Fig. 25 is a schematic structural view of an adjustable wrench according to an embodiment of the present invention.

Fig. 26 is a schematic view of a disassembly structure of the adjustable wrench according to an embodiment of the present invention.

Fig. 27 is a schematic view of an installation position of a pipe joint according to an embodiment of the present invention.

Reference numerals:

1 joint portion, 2 connecting portion, 3 smooth surfaces, 4 first spigot points, 5 first connecting portions, 6 second connecting portions, 7 handles, 8 arcuation connecting pieces, 9 second spigot points, 10 locking bolts, 11 first arcuation piece, 12 second arcuation piece, 13 screw holes, 14 columnar through holes.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail with reference to the accompanying drawings. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

It should be noted that the existing connecting joint has the disadvantages of single structure, no anti-theft and anti-disassembly functions, easy to cause potential safety hazards such as gas theft, private disassembly gas leakage and the like; to the above shortcoming, the utility model provides a prevent tearing open dismantlement attach fitting and the gas company special spanner that corresponds stops the user and dismantles indoor gas pipeline and equipment privately, and the supporting special spanner that the gas company accessible provided is under construction, operation such as maintenance.

In a first aspect, an embodiment of the present invention provides a pipe connection joint, include: the connecting device comprises a hollow clamping part 1 and a connecting part 2 arranged at the end part of the clamping part 1; the clamping part 1 is detachably connected with a pipeline through the connecting part 2; the outer surface of the clamping portion 1 is a smooth surface 3, and at least one first insertion point 4 is arranged on the outer surface of the clamping portion 1.

Referring to fig. 1-16, the pipeline joint provided by the present invention can be a plurality of threaded connection forms such as two-end external threads, two-end internal threads, one-end external threads, loose joints, etc.; the special spanner is provided with N bearing and inserting points on a clamping surface, wherein the clamping surface of the spanner can be various smooth curved surfaces such as a smooth cylinder, a sphere, a waist drum and the like, as shown in figures 17-22, the first bearing and inserting point 4 can be a polygon such as a cylindrical hole, a triangle, a square, a hexagon, a star-shaped support column and the like, and the number and the shape of the first bearing and inserting point are not limited; the special spanner adopts a fixed hook head shape and a movable hook head shape, the socket matching shape on the spanner is consistent with the shape of the anti-theft disassembly joint, the concave and convex are correspondingly matched, and the number of the insertion points is not limited; the socket fit form of the joint and the wrench adopts concave-convex fit, and the concave joint can be matched with a convex wrench, or the convex joint can be matched with a concave wrench.

In the using process, the second insertion point 9 arranged on the wrench is in insertion fit with the first insertion point 4, the arc-shaped connecting piece 8 is clamped on the smooth surface 3, the contact point of the arc-shaped connecting plate and the side surface of the clamping part 1 is taken as an acting point, the handle 7 is rotated, the clamping part 1 is further driven to rotate, and the connecting part 2 is locked or separated from the pipeline; the possibility that a user personally detaches indoor gas pipelines and equipment is reduced, and a gas company can perform construction, maintenance and other operations through the wrench provided in the embodiment.

In this embodiment, the connection of the gas pipeline connection joint adopts an anti-theft structure, the tightening surface is designed to be a smooth curved surface (a cylindrical surface, a spherical surface, a bulging surface and the like), and the conventional wrench cannot be used for dismounting, and can only be used for screwing and dismounting by using a special wrench equipped by a gas company, so that the gas leakage caused by the theft of gas by a user, the private refitting and the dismounting of the joint is prevented, and the potential safety hazard is avoided.

The utility model provides a theftproof connects and supporting special spanner, simple structure, operation convenient to use, the anti-disassembly is respond well. Referring to fig. 27, in fig. 27, 1 is the inlet of the service main valve; 2 is a gas meter inlet; 3 is a gas meter outlet; 4 is the inlet of the water heater; and 5 is a self-closing valve inlet. As shown in fig. 27, every family is equipped with theftproof disconnect 5 (general a gas company special spanner), the utility model provides a pipeline coupling can be applied to equipment such as main valve of registering one's residence, gas table, pipeline self-closing valve, water heater simultaneously, realizes the anti-disassembly function.

In one embodiment, the connection portion 2 includes a first connection portion 5, a second connection portion 6; the first connecting portion 5 is arranged at one end of the clamping portion 1, and the second connecting portion 6 is arranged at the other end of the clamping portion 1. In the actual installation process, each connection portion 2 usually includes two connectors, i.e. the first connection portion 5 and the second connection portion 6, and the pipeline connection joint provided in this embodiment is used to connect two pipelines, so that two connectors of the first connection portion 5 and the second connection portion 6 are provided.

In one embodiment, the first connection portion 5 has a structure of an internal thread structure or an external thread structure; the structure of the second connecting part 6 is an internal thread structure or an external thread structure. In order to adapt to installation of different pipeline types, in this embodiment, the structures of the first connecting portion 5 and the second connecting portion 6 may be the same or different, where the structure of the first connecting portion 5 and the structure of the second connecting portion 6 are both external thread structures, that is, structures shown in fig. 1, and the structure of the first connecting portion 5 and the structure of the second connecting portion 6 are both internal thread structures, that is, structures shown in fig. 5. Of course, the structure of the first connection portion 5 and the structure of the second connection portion 6 may be different, as shown in fig. 7. The structure of the first connecting portion 5 and the structure of the second connecting portion 6 can be selected by a user according to actual installation requirements, and the structure of the first connecting portion and the structure of the second connecting portion are not limited in this embodiment.

In one embodiment, the clip portion 1 is integrally formed with the connecting portion 2. Adopt the integrated into one piece structure, be favorable to improving the stability of being connected of joint portion 1 and connecting portion 2, in actual course of working, can select a hollow steel pipe, according to user's demand, confirm the structure of connecting portion 2, process according to the 2 structures of connecting portion that confirm, utilize numerical control lathe to process first connecting portion 5 to predetermined shape, utilize numerical control lathe to process second connecting portion 6 for predetermined shape, afterwards, utilize vertical machining center, set up the first socket point 4 of predetermined shape on smooth surface 3, up to this point, accomplish the processing of pipeline attach fitting, it needs to explain, the method of confirming the shape of above-mentioned first connecting portion 5 is as follows: the user confirms the tip shape of waiting to treat one in the connecting tube, if this tip is the external screw thread, then 5 bit internal thread structures of first connecting portion, the internal thread structure that processing formed need with the external screw thread adaptation of above-mentioned tip, the tip of the pipeline that 6 connections of second connecting portion are the internal screw thread, then, need become the external screw thread with second connecting tube processing, the external screw thread that processing formed needs and pipeline internal screw thread adaptation. Specifically, how to machine qualified internal threads or external threads by using a numerically controlled lathe belongs to a conventional technical means in the field, and the machining method is not limited in the embodiment.

In one embodiment, as shown in fig. 2 and 4, the first socket point 4 is convex or concave in shape; the cross-sectional shape of the first socket point 4 is circular or polygonal. The first insertion points 4 may be polygonal such as cylindrical holes, triangles, squares, hexagons, star-shaped top pillars, without limitation to the number and shape thereof

In one embodiment, referring to fig. 17-22, the smooth surface 3 is any one of a smooth cylinder, a smooth sphere, and a smooth tornado. In this embodiment, it is necessary to ensure that the smooth surface 3 is not easily clamped and rotated by a conventional wrench.

On the other hand, please refer to fig. 23-26, the present invention provides a wrench for screwing the above-mentioned pipeline connection joint, which includes a handle 7, an arc-shaped connection member 8 disposed at an end of the handle 7, and a second socket point 9 disposed on a bent inner side surface of the arc-shaped connection member 8; the second socket point 9 is adapted to the first socket point 4.

In one embodiment, referring to fig. 26, a lock bolt 10 is further included; the arc-shaped connecting piece 8 comprises a first arc-shaped piece 11 and a second arc-shaped piece 12, the second socket point 9 is arranged on the second arc-shaped piece 12, a threaded hole 13 penetrating through the second arc-shaped piece 12 is formed in the first arc-shaped piece 11, a columnar through hole 14 is formed in the first arc-shaped piece 11, and the locking bolt 10 penetrates through the columnar through hole 14 and is in threaded connection with the threaded hole 13; the locking bolt 10 is used for locking the first arc piece 11 and the second arc piece 12. With the above arrangement, the relative positions of the first arc-shaped member 11 and the second arc-shaped member 12 can be adjusted to adjust the arc-shaped opening degree of the arc-shaped connecting member 8, so as to improve the application range of the wrench provided in this embodiment.

In one embodiment, the second socket point 9 is convex or concave in shape; when the first socket point 4 is convex, the second socket point 9 is concave; when the first socket point 4 is concave, the second socket point 9 is convex; the cross section of the second insertion point 9 is circular or polygonal; the cross-sectional shape of the first socket point 4 is the same as the cross-sectional shape of the second socket point 9. So as to ensure that the second socket point 9 of the matched wrench and the first socket point 4 of the pipeline connecting joint can be matched in the process of screwing or unscrewing. For example, when the cross-sectional shape of the first socket point 4 is a square, the cross-sectional shape of the second socket point 9 is a square, and when the first socket point 4 is a convex, the second socket point 9 is a concave, at this time, the cross-sectional area of the first socket point 4 is smaller than the cross-sectional area of the second socket point 9, that is, the first socket point 4 can be inserted into the second socket point 9, and then the subsequent work of loosening or tightening the pipeline connection joint by using a wrench can be completed.

The utility model provides a pair of pipeline joint connects, include: the connecting part is arranged at the end part of the clamping part 1; the clamping part 1 is detachably connected with the pipeline through a connecting part 2; the surface of joint portion 1 is smooth surface 3, is provided with at least one first socket point 4 on the surface of joint portion 1. On the other hand, the utility model provides a wrench, which is used for screwing the pipeline connecting joint and comprises a handle 7, an arc-shaped connecting piece 8 arranged at the end part of the handle 7 and a second inserting point 9 arranged on the bent inner side surface of the arc-shaped connecting piece 8; the second socket point 9 is adapted to the first socket point 4.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A pipe coupling joint, comprising: the connecting part is arranged at the end part of the clamping part; the clamping part is detachably connected with the pipeline through the connecting part; the outer surface of the clamping portion is a smooth surface, and at least one first insertion point is arranged on the outer surface of the clamping portion.

2. The pipe coupling fitting of claim 1 wherein said connection portions comprise a first connection portion, a second connection portion; the first connecting portion is arranged at one end of the clamping portion, and the second connecting portion is arranged at the other end of the clamping portion.

3. The pipe coupling according to claim 2, wherein the first connecting portion has a female screw structure or a male screw structure; the structure of the second connecting part is an internal thread structure or an external thread structure.

4. The pipe coupling according to claim 1, wherein said snap-in portion is integrally formed with said connecting portion.

5. The pipe coupling according to claim 1, wherein said first socket point is male or female in shape; the cross-sectional shape of the first socket point is circular or polygonal.

6. The pipe coupling according to claim 1, wherein the smooth surface is any one of a smooth cylindrical shape, a smooth spherical shape, and a smooth toroidal shape.

7. A wrench for driving the pipe coupling joint according to any one of claims 1-6, comprising a handle, an arcuate connector member disposed at an end of the handle, a second socket point disposed on an inside curved surface of the arcuate connector member; the second socket point is matched with the first socket point.

8. The wrench of claim 7, further comprising a locking bolt; the arc-shaped connecting piece comprises a first arc-shaped piece and a second arc-shaped piece, the second socket point is arranged on the second arc-shaped piece, a penetrating threaded hole is formed in the second arc-shaped piece, a columnar through hole is formed in the first arc-shaped piece, and the locking bolt penetrates through the columnar through hole and is in threaded connection with the threaded hole; the locking bolt is used for locking the first arc-shaped part and the second arc-shaped part.

9. A wrench as claimed in claim 7, wherein said second socket point is male or female in shape; when the first socket point is convex, the second socket point is concave; when the first socket point is concave, the second socket point is convex; the cross section of the second insertion point is circular or polygonal; the cross-sectional shape of the first socket point is the same as the cross-sectional shape of the second socket point.