CN208579056U

CN208579056U - A kind of jointing and its pipeline

Info

Publication number: CN208579056U
Application number: CN201821017404.1U
Authority: CN
Inventors: 周兆弟
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-06-29
Filing date: 2018-06-29
Publication date: 2019-03-05
Anticipated expiration: 2028-06-29

Abstract

The utility model discloses a kind of jointing and its pipeline, it includes connection rod iron (1), has radially enlarged expand head (111) thereon；With intermediate swivel nut (2), with perforative internal channel, one section of internal diameter in internal channel is reduced to form annular chuck (211)；Wherein, the outer diameter for connecting rod iron (1) is less than the minimum diameter of internal channel, the outer diameter for expanding head (111) is greater than the minimum diameter of annular chuck (211), when assembly, an internal diameter along annular chuck (211) for connecting rod iron (1) reduces direction and passes through internal channel, intermediate swivel nut (2) can prevent connection rod iron (1) from shaking off intermediate swivel nut (2) out with its direction for penetrating internal channel, and at least one section of lubrication groove profile surface of annular chuck (211) offsets at least one section of outer profile circumferential surface for expanding head (111) and tangent cooperation.Improve the stretching force being able to bear suffered by the connection rod iron being used cooperatively in the jointing and intermediate swivel nut.

Description

A kind of jointing and its pipeline

Technical field

The utility model relates to a kind of jointing and its pipelines.

Background technique

A kind of beam is disclosed in the prior art to Combined adjustable splice, and being detailed in Authorization Notice No. is CN The patent document of 207348218U, the beam to Combined adjustable splice include outer sleeve, the first inner sleeve, the second inner sleeve and And cap；First inner sleeve outer diameter is greater than the isometrical reentrant diameter of outer sleeve but is less than outer sleeve internal diameter, and outer sleeve forms step Through-hole, the internal diameter that the isometrical necking section internal diameter of outer sleeve is less than its other end compress face, the first inner sleeve one to form level End face be pressed on level and compress face, prevent outer sleeve head from shaking off out to reach the first inner sleeve clamping outer sleeve, this kind of reinforcing bar Connector be linked and packed after the completion of use process in, when stretching force by horizontal direction, the first inner sleeve is to outer sleeve Pressure is equal to the stretching force of horizontal direction, and the stretching force of horizontal direction is once excessive to be easy to cause the first inner sleeve and outer sleeve two It is damaged at cooperation between person, causes this kind of splice that cannot use.

Utility model content

The technical problems to be solved in the utility model is to provide a kind of jointing, improves matching in the jointing Close the stretching force being able to bear suffered by the connection rod iron used and intermediate swivel nut.

In order to solve the above technical problems, technical solution provided by the utility model are as follows: a kind of jointing, it includes connection Rod iron has radially enlarged expand head thereon；With intermediate swivel nut, one section of internal diameter with perforative internal channel, in internal channel It reduces to form annular chuck；Wherein, the outer diameter for connecting rod iron is less than the minimum diameter of internal channel, and the outer diameter for expanding head is greater than The minimum diameter of annular chuck connects one of rod iron along annular chuck when connecting rod iron and middle screw suit is matched Internal diameter reduces direction and passes through internal channel, and intermediate swivel nut can prevent connection rod iron from shaking off middle screw out with its direction for penetrating internal channel Set, the lubrication groove profile surface of annular chuck and at least one section of outer profile circumferential surface for expanding head offset and tangent cooperation.

Further, the middle screw is put on equipped with external screw thread, and the connection rod iron passes through that tool of intermediate swivel nut There is external screw thread.

Further, the end expanded head and be formed in connection rod iron one end.

Further, the internal channel of intermediate swivel nut includes that annular chuck and rod iron pass through channel, the miner diameter end of annular chuck It is connected with rod iron by one of channel, rod iron is connected outside by the other end in channel and one of internal channel, annular chuck It is connected outside the other end of bigger diameter end and internal channel.

Further, the lubrication groove profile surface of the annular chuck is inclined-plane, rotary shaft of the inclined-plane relative to intermediate swivel nut Line A is with one in the angle [alpha] between 0 ° to 90 °.

It designs using the above structure, compared with prior art, has the advantage that the jointing that assembly is completed, When stretching force by horizontal direction, lubrication groove profile surface based on annular chuck and at least one section of outer profile circumferential surface for expanding head It offsets and tangent this structure of cooperation, expands one that head becomes the stretching force that connection rod iron is subject to the pressure of annular chuck Component less than suffered stretching force, thus reduces the damage of the annular chuck of intermediate swivel nut, under kindred circumstances, so that cooperation The stretching force being able to bear suffered by the connection rod iron and intermediate swivel nut used has been improved.

The technical problems to be solved in the utility model is to provide a kind of pipeline, constitutes between the tubular pole of pipeline and tubular pole It is connected firmly, is not easily disconnected from when bearing biggish stretching force between tubular pole and tubular pole.

In order to solve the above technical problems, technical solution provided by the utility model are as follows: a kind of pipeline, it includes at least two sections The hollow channel of the tubular pole docked by end with end, tubular pole constitutes transfer passage, and the end of a tubular pole is along its Vacancy Form to the outer profile track spacing set several the first threaded holes, the end of another tubular pole along its hollow position foreign steamer Several second threaded holes are formd to wide track spacing, first threaded hole passes through jointing and the second threaded hole one by one It is correspondingly connected with.

Further, when 2-section pipe stake is docked by end with end, intermediate swivel nut and the first screw hole, connection Rod iron passes through that and the second screw hole of intermediate swivel nut.

Further, the lubrication groove profile surface of annular chuck offsets cooperation with one section of outer profile circumferential surface for expanding head.

Further, the end of a tubular pole is embedded with being spaced apart along the outer profile track of its hollow position Nut is drawn, a capitiform of tensioning nut is at first threaded hole, other end clamping and the steel bar stress for tensing tubular pole；Another institute It states the end of tubular pole and is embedded with the tensioning nut being spaced apart along the outer profile track of its hollow position, one of tensioning nut Form second threaded hole, other end clamping and the steel bar stress for tensing tubular pole.

Further, one for connecting rod iron penetrates in the first threaded hole and offsets with the steel bar stress of tubular pole.

It designs, compared with prior art, has the advantage that using the above structure

The end of one tubular pole along its hollow position outer profile track spacing form several the first threaded holes, it is another The end of tubular pole along its hollow position outer profile track spacing form several bars that are spirally connected, first threaded hole passes through Jointing connects one to one with the bar that is spirally connected.Realize the abutting joint operation between stake and stake to constitute pipe by jointing Road is able to bear the characteristic of larger stretching force based on jointing, so that being connected firmly between tubular pole and tubular pole, tubular pole and pipe It cannot come off when bearing biggish stretching force between stake.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model embodiment one.

Fig. 2 is another overall structure diagram of the utility model embodiment one.

Fig. 3 is the end construction schematic diagram of a section tubular pole of the utility model.

Fig. 4 is the end construction schematic diagram of another section tubular pole of the utility model.

Fig. 5 is the overall structure diagram that the utility model tubular pole and tubular pole are assembled into pipeline.

Fig. 6 is another overall structure diagram that the utility model tubular pole and tubular pole are assembled into pipeline.

Fig. 7 is the enlarged drawing of the C portion of Fig. 6.

It is as shown in the figure: 1, to connect rod iron；111, head is expanded；2, intermediate swivel nut；211, annular chuck；212, rod iron passes through logical Road；311, the first threaded hole；312, the second threaded hole.

Specific embodiment

The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.

Embodiment one

Referring to Fig.1, present embodiment discloses a kind of jointings, it includes connection rod iron 1 and intermediate swivel nut 2.

Have on connection rod iron 1 it is radially enlarged expand first 111, connecting shown on rod iron 1 is a kind of the swollen of structure type Major part 111, referring to figure 1 and figure 2, formed on connection rod iron 1 it is radially enlarged expand first 111, there are a variety of realization sides Formula, a kind of embodiment are to be screwed into a nut on connection rod iron 1, the nut constitute described in expand first 111 and (do not have in attached drawing Show), in the present embodiment, connection one of rod iron 1 expands first 111 at described by cold heading technique processing upsetting, swollen Major part 111 is located at one end of connection rod iron 1, and connection one of rod iron 1 has external screw thread, with realize connection rod iron 1 with The threaded of another component.

Intermediate swivel nut 2 is equipped with external screw thread, to realize the threaded of intermediate swivel nut 2 and a component, goes back on intermediate swivel nut 2 Perforative internal channel is formd, the internal channel of intermediate swivel nut 2 includes that annular chuck 211 and rod iron pass through channel 212, annular chuck 211 miner diameter end and rod iron are connected by one of channel 212, rod iron pass through channel 212 other end and one of internal channel It is connected outside outer connection, the bigger diameter end of annular chuck 211 and the other end of internal channel.One section of internal diameter in internal channel is reduced to be formed The annular chuck 211.

Wherein, the outer diameter for connecting rod iron 1 is less than the minimum diameter of internal channel, and the outer diameter for expanding first 111 is greater than annular chuck 211 minimum diameter.

As shown in Fig. 2, connection rod iron 1 and intermediate swivel nut 2 are when assembly, one of connection rod iron 1 is along annular snap The internal diameter of platform 211 reduces direction and passes through internal channel, the lubrication groove profile surface of annular chuck 211 and at least one section of foreign steamer for expanding first 111 Wide circumferential surface offsets and tangent cooperation, as attached drawing 1 and attached drawing 2 illustrate and expand first 111, but not to expanding first 111 specific shapes It limits, expands first 111 shape, worn with preventing to connect rod iron 1 with it with accomplishing to expand first 111 with the cooperation of annular chuck 211 Intermediate swivel nut 2 out is shaken off in the direction for entering internal channel, to accomplish the lubrication groove profile surface of annular chuck 211 and expand first 111 outer profile Circumferential surface offsets and subject to tangent cooperation.

In the present embodiment, as shown in Figure 1, the lubrication groove profile surface of the annular chuck 211 be inclined-plane, the inclined-plane relative to The rotation axis A of intermediate swivel nut 2 has one in the angle [alpha] between 0 ° to 90 °, and angle [alpha] as shown in Figure 1 is 75 °.

Embodiment two

Referring to Fig. 3-Fig. 7, present embodiment discloses a kind of pipelines, it includes that at least two sections are docked by end with end The hollow channel of tubular pole, tubular pole constitutes transfer passage, as shown in figure 4, outer profile of the end of a tubular pole along its hollow position Several the first threaded holes 311 are formd to track spacing, as shown in figure 3, the end of another tubular pole is along its hollow position Form to outer profile track spacing several second threaded holes 312.

As shown in Figure 5 and Figure 6, the end of a tubular pole is embedded with interval point along the outer profile track of its hollow position The tensioning nut of cloth, a capitiform of tensioning nut is at first threaded hole 311, other end clamping and the stress steel for tensing tubular pole Muscle；The end of another tubular pole is embedded with the tensioning nut being spaced apart, tensioning along the outer profile track of its hollow position One capitiform of nut is at second threaded hole 312, other end clamping and the steel bar stress for tensing tubular pole.

When 2-section pipe stake is docked by end with end, every one first threaded hole 311 of the end of a tubular pole passes through reality The jointing for applying example one and every one second threaded hole 312 of the end of another tubular pole connect one to one.

A kind of concrete implementation scheme as follows, connection one of rod iron 1 penetrate in the first threaded hole 311 and with tubular pole Steel bar stress offsets, and intermediate swivel nut 2 is spirally connected with the first threaded hole 311, connection rod iron 1 pass through intermediate swivel nut 2 that with the Two threaded holes 312 are spirally connected, and when intermediate swivel nut 2 and the first threaded hole 311 are spirally connected fixed, connection rod iron 1 passes through middle screw When that and the second threaded hole 312 of set 2 are spirally connected fixed, the lubrication groove profile surface of annular chuck 211 and first 111 are expanded One section of outer profile circumferential surface offsets cooperation.Pipeline made of 2-section pipe stake is docked by end with end, docking site passes through filling Foamed glue is played a protective role with completely cutting off air to jointing.

In this implementation two, 2-section pipe stake docks the pipeline constituted with end by end, and jointing exists by water Flat direction force F1 or horizontal direction power F2, or the case where be horizontally oriented the active force of power F1 and horizontal direction power F2.

In conjunction with shown in attached drawing 6 and attached drawing 7, the case where jointing is by horizontal direction power F2 is analyzed, the company of completion is assembled Connector lubrication groove profile surface based on annular chuck 211 and expands head at least when the stretching force F5 by horizontal direction One section of outer profile circumferential surface offsets and tangent this structure of cooperation, expands head and becomes connection rod iron to the pressure of annular chuck 211 One component F3 of the stretching force being subject to, less than suffered stretching force F5, thus reduces the annular chuck 211 of intermediate swivel nut Damage, under kindred circumstances, mentioned so that the stretching force being able to bear suffered by the connection rod iron being used cooperatively and intermediate swivel nut has It is high.

In the present embodiment, as described in the fig 5 and 6, the steel bar stress of tubular pole is identified with B, the tensioning nut A of tubular pole It identifies.

Only the most preferred embodiment of the utility model is described above, but is not to be construed as the limit to claim System.The utility model is not limited only to above embodiments, all made in the protection scope of the utility model independent claims Various change is within the protection scope of the present utility model.

Claims

1. a kind of jointing, it is characterised in that: it includes

It connects rod iron (1), has radially enlarged expand head (111) thereon；

With intermediate swivel nut (2), with perforative internal channel, one section of internal diameter in internal channel is reduced to form annular chuck (211)；Wherein, the outer diameter for connecting rod iron (1) is less than the minimum diameter of internal channel, and the outer diameter for expanding head (111) is greater than annular snap The minimum diameter of platform (211), when connecting rod iron (1) and intermediate swivel nut (2) is assembled, one of connection rod iron (1) is along ring The internal diameter of shape chuck (211) reduces direction and passes through internal channel, and it is interior logical that intermediate swivel nut (2) can prevent connection rod iron (1) from penetrating with it Intermediate swivel nut (2) out is shaken off in the direction in road, at least one section of lubrication groove profile surface of annular chuck (211) and expands head (111) at least One section of outer profile circumferential surface offsets and tangent cooperation.

2. a kind of jointing according to claim 1, it is characterised in that: the intermediate swivel nut (2) is equipped with external screw thread, It is described connection rod iron (1) pass through intermediate swivel nut (2) that have external screw thread.

3. a kind of jointing according to claim 1, it is characterised in that: the head (111) that expands is formed in connection steel The end of stick (1) one end.

4. a kind of jointing according to claim 1, it is characterised in that: the internal channel of intermediate swivel nut (2) includes annular By channel (212), the miner diameter end of annular chuck (211) passes through a phase of channel (212) with rod iron for chuck (211) and rod iron Connect, by connecting outside the other end of channel (212) and one of internal channel, the bigger diameter end of annular chuck (211) leads to rod iron with interior It is connected outside the other end in road.

5. a kind of jointing according to claim 1, it is characterised in that: the lubrication groove profile surface of the annular chuck (211) For inclined-plane, the inclined-plane relative to the rotation axis (A) of intermediate swivel nut (2) have one in the angle (α) between 0 ° to 90 °.

6. a kind of pipeline, it is characterised in that: it includes that at least two sections pass through the tubular pole that end is docked with end, and the hollow of tubular pole is led to Road constitutes transfer passage, the end of a tubular pole along its hollow position outer profile track spacing form several the first spiral shells Pit (411), the end of another tubular pole along its hollow position outer profile track spacing form several the second screw threads Hole (412), first threaded hole (411) are a pair of by jointing described in claim 1 and the second threaded hole (412) one It should connect.

7. a kind of pipeline according to claim 6, it is characterised in that: when 2-section pipe stake is docked by end with end, Intermediate swivel nut (2) is spirally connected with the first threaded hole (411), and connection rod iron (1) passes through that and second screw thread of intermediate swivel nut (2) Hole (412) is spirally connected.

8. a kind of pipeline according to claim 7, it is characterised in that: the lubrication groove profile surface of annular chuck (211) and expand head (111) one section of outer profile circumferential surface offsets cooperation.

9. a kind of pipeline according to claim 6, it is characterised in that: the end of a tubular pole is along its hollow position Outer profile track is embedded with the tensioning nut being spaced apart, and a capitiform of tensioning nut is another at first threaded hole (411) Head clamping and the steel bar stress for tensing tubular pole；The end of another tubular pole is embedded with along the outer profile track of its hollow position The tensioning nut being spaced apart, for a capitiform of tensioning nut at second threaded hole (412), other end clamping simultaneously tenses tubular pole Steel bar stress.

10. a kind of pipeline according to claim 9, it is characterised in that: one of connection rod iron (1) penetrates the first threaded hole (411) it offsets in and with the steel bar stress of tubular pole.