CN209398683U - The connection structure of extra heavy pipe and tubule - Google Patents

Abstract

This specification embodiment provides the connection structure of a kind of extra heavy pipe and tubule, from outside to inside respectively include: extra heavy pipe, lifting fastener, support fastener and tubule；Wherein, the tubule passes through the lifting fastener and support fastener is inserted into the extra heavy pipe；It is cooperated by the contact surface of the extra heavy pipe upper end and the lifting fastener lower end and realizes the upper and lower displacement of the lifting fastener；When the lifting fastener is to bottom offset, under support fastener extruding, the fixation that the tubule realizes the extra heavy pipe and tubule is held in inside deformation tightly for the lifting fastener lower end.

Description

The connection structure of extra heavy pipe and tubule

Technical field

This specification embodiment is related to the connection structure in connection structure field more particularly to a kind of extra heavy pipe and tubule.

Background technique

The connection structure of extra heavy pipe and tubule is widely used in daily life.For example, telescopic mop rod is exactly a kind of Thickness pipe connecting structure.The thickness pipe connecting structure designs raised structures using in thickness pipe junction.The protrusion knot Structure is a sleeve, and interior design has a screw thread, extra heavy pipe exterior design screw thread and is cooperated with bush whorl.Sleeve compresses when screw thread is tightened Extra heavy pipe holds tubule tightly under frictional force effect after extra heavy pipe deformation, realizes the fixation to capillary structure.However, this design disadvantage It is that tube-in-tube structure is thicker than extra heavy pipe, and the more lofty influence product of the presence of sleeve is beautiful.

Utility model content

The connection structure of a kind of extra heavy pipe and tubule that this specification embodiment provides, from outside to inside respectively include:

Extra heavy pipe, lifting fastener, support fastener and tubule；

Wherein, the tubule passes through the lifting fastener and support fastener is inserted into the extra heavy pipe；

It is cooperated by the contact surface of the extra heavy pipe upper end and the lifting fastener lower end and realizes the lifting fastening The upper and lower displacement of part；

When the lifting fastener is to bottom offset, the lifting fastener lower end under support fastener extruding, The fixation that the tubule realizes the extra heavy pipe and tubule is held in inside deformation tightly.

Optionally, the extra heavy pipe inner wall is provided with the plummer for placing the support fastener, the support fastening Part is placed on the plummer.

Optionally, the main body of the support fastener is round tube, and inwall processing is the conical surface.

Optionally, the support fastener outer diameter is identical as the plummer internal diameter of the extra heavy pipe.

Optionally, the main body of the lifting fastener is round tube, and lower end is machined with external screw thread；

Internal screw thread is machined on the inside of the extra heavy pipe upper end；

The extra heavy pipe and lifting fastener are connect by the external screw thread with screw-internal thread fit, and are realized up and down by rotation Displacement.

Optionally, the external screw thread lower part of the lifting fastener is machined with the conical surface.

Optionally, the conical surface region of the lifting fastener is provided with several notch.

Optionally, the lifting fastener outer diameter is identical as the extra heavy pipe outer diameter.

Optionally, the lifting fastener inner wall is covered with flexible material.

Optionally, the flexible material is rubber.

This specification embodiment provides the connection structure scheme of a kind of extra heavy pipe and tubule, by extra heavy pipe and tubule it Between setting lifting fastener；Inside deformation is generated when the lifting fastener matches locking with extra heavy pipe, thus hold tubule tightly, it is real The fixation that existing extra heavy pipe is connect with tubule.In this way, no setting is required on the outside of extra heavy pipe additional components, not will increase structure outer diameter；It is applicable in In more accurate consumptive power electronic product to miniaturized structure, sophistication and integrated demand.

Detailed description of the invention

Fig. 1 is the cross-sectional view of the connection structure of the extra heavy pipe that one embodiment of this specification provides and tubule；

Fig. 2 is the cross-sectional view of the extra heavy pipe that one embodiment of this specification provides and tubule；

Fig. 3 is the schematic diagram for the extra heavy pipe that one embodiment of this specification provides；

Fig. 4 is the schematic diagram for the lifting fastener that one embodiment of this specification provides；

Fig. 5 is the schematic diagram for the support fastener that one embodiment of this specification provides.

Specific embodiment

Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment Described in embodiment do not represent all embodiments consistent with this specification.On the contrary, they are only and such as institute The consistent example of some aspects be described in detail in attached claims, this specification.

It is only to be not intended to be limiting this explanation merely for for the purpose of describing particular embodiments in the term that this specification uses Book.The "an" of used singular, " described " and "the" are also intended to packet in this specification and in the appended claims Most forms are included, unless the context clearly indicates other meaning.It is also understood that term "and/or" used herein is Refer to and includes that one or more associated any or all of project listed may combine.

It will be appreciated that though various information may be described using term first, second, third, etc. in this specification, but These information should not necessarily be limited by these terms.These terms are only used to for same type of information being distinguished from each other out.For example, not taking off In the case where this specification range, the first information can also be referred to as the second information, and similarly, the second information can also be claimed For the first information.Depending on context, word as used in this " if " can be construed to " ... when " or " when ... " or " in response to determination ".

As previously mentioned, the connection structure of extra heavy pipe and tubule is widely used in daily life.For example, telescopic mop rod It is exactly a kind of thickness pipe connecting structure.The thickness pipe connecting structure designs raised structures using in thickness pipe junction. The raised structures are a sleeve, and interior design has a screw thread, extra heavy pipe exterior design screw thread and are cooperated with bush whorl.When screw thread is tightened Sleeve compresses extra heavy pipe holds tubule tightly under frictional force effect after extra heavy pipe deformation, realizes the fixation to capillary structure.However, this Design disadvantage is that tube-in-tube structure is thicker than extra heavy pipe, and the more lofty influence product of the presence of sleeve is beautiful.It is not suitable for yet Compare accurate consumptive power electronic product to miniaturized structure, sophistication and integrated demand.

To solve the above-mentioned problems, present description provides the connection structure of a kind of extra heavy pipe and tubule, it is as shown in Figure 1 The sectional view in vertical and horizontal direction of connection structure.100 ecto-entad of connection structure may include:

Extra heavy pipe 110, lifting fastener 120, support fastener 130 and tubule 140；

Wherein, 110 inner wall of extra heavy pipe is provided with the plummer 112 for placing the support fastener, the support Fastener 130 is placed on the plummer 112；

The tubule 140 passes through the lifting fastener 120 and support fastener 130 is inserted into the extra heavy pipe 110；

It is cooperated by the contact surface of the extra heavy pipe 110 and the lifting fastener 120 and realizes upper and lower displacement；

When the lifting fastener 120 is to bottom offset, 120 lower end of lifting fastener is in the support fastener Under 130 squeeze, the fixation that the tubule 140 realizes the extra heavy pipe 110 and tubule 140 is held in inside deformation tightly.

The cross-sectional view of extra heavy pipe 110 and tubule 140 shown in Fig. 2 is please referred to, the extra heavy pipe 110 and tubule 140 can be interior The hollow round tube in portion, and the internal diameter of the extra heavy pipe 110 is greater than the outer diameter of the tubule 140；As described tubule can just be inserted Enter in the extra heavy pipe 110.Based on same reason, the lifting fastener 120 supports the internal diameter of fastener 130 to be similarly greater than The outer diameter of the tubule 140.

It include the horizontal cross-section of extra heavy pipe 110 below with continued reference to the schematic diagram of extra heavy pipe 110 described in Fig. 3, in described Fig. 3 The vertical section figure 110b of Figure 110 a and extra heavy pipe 110.

By horizontal sectional view 110a it is found that the extra heavy pipe 110 can be the round tube of an inner hollow.

By vertical section figure 110b it is found that 110 upper end inner wall of the extra heavy pipe is provided with for placing the support fastening The plummer 112 of part 130；In conjunction with Fig. 1, it is seen that the support fastener 130 is placed on the plummer 112.

Internal screw thread 111 is machined on the inside of 110 upper end of extra heavy pipe known to the vertical section figure 110b.

The schematic diagram of support fastener 130 shown in Fig. 4 is please referred to below, includes support fastener 130 in described Fig. 4 Top view 130a, Front view 1 30b, the cross-sectional view 130c of main perspective, bottom view 130d and perspective view 130e.The support fastening The main body of part 130 is hollow round tube.By the cross-sectional view 130c of main perspective it is found that the inner wall of the support fastener 130 adds Work is the conical surface 131.In conjunction with Fig. 1, it is seen that the 112 internal diameter phase of plummer of support 130 outer diameter of fastener and the extra heavy pipe 110 Together.

The schematic diagram of lifting fastener 120 shown in fig. 5 is please referred to below, includes lifting fastener 120 in described Fig. 5 Top view 120a, Front view 1 20b, the sectional view 120c of main perspective, bottom view 120d and perspective view 120e.The lifting fastening The main body of part 120 is hollow round tube.As shown in Figure 120 b, the lower end of the lifting fastener 120 is machined with external screw thread 121, The conical surface 122 is machined in 121 lower part of external screw thread；And 122 region of the conical surface is provided with several notch 123.

It is used cooperatively between above-mentioned extra heavy pipe 110 introduced below, lifting fastener 120, support fastener 130 and tubule 140 Details:

As shown in Figure 1, support fastener 130 can be placed on the plummer 112 of 110 inner wall of extra heavy pipe first；So Afterwards, tubule 140 support fastener 130 is passed through to be inserted into extra heavy pipe 110；Then, fastener 120 will be gone up and down from 140 upper end of tubule It is inserted in until resisting 111 region of internal screw thread of 110 upper end of extra heavy pipe.

It is then possible to by rotation and lifting fastener 120, so that the internal screw thread 111 of the extra heavy pipe 110 and lifting fastening The internal screw thread 121 of part 120 locks screw thread, so that lifting fastener 120 is in bottom offset (fixing shape relative to extra heavy pipe 11 State)；Similarly, direction rotation and lifting fastener 120 can cooperate realization to loosen screw thread so that lifting fastener 120 relative to Extra heavy pipe 110 is in shift up and (loosen state).

Here, it is further described under stationary state, goes up and down between fastener 120 and support fastener 130 and tubule 140 The variation of generation:

When going up and down fastener 120 relative to extra heavy pipe 110 is in bottom offset, the lower end cone face 122 of lifting fastener 120 can be with The conical surface 131 of fastener 130 is supported to cooperate.Specifically, as lifting fastener 120 moves down, 110 internal screw thread 111 of extra heavy pipe The downward pressure of lifting 120 external screw thread 121 of fastener is given, this pressure is transferred to by the conical surface 122 of lifting fastener 120 Support fastener 130.Since support fastener 130 and the plummer 112 and inner wall of extra heavy pipe 110 fit closely, support fastening Part 130 can not deformation outward, simultaneously because lifting 120 lower end conical region of fastener be provided with several notch 123, so causing It goes up and down 120 lower end compression power of fastener and oppresses inside deformation, and then enclasping force is generated to tubule 140, so that tubule 140 is fixed Firmly, so it is achieved that being fixedly connected for extra heavy pipe 110 and tubule 140.

The whole length constituted if necessary to adjust extra heavy pipe 110 and tubule 140, can pass through rotation and lifting fastener 120 in state is loosened, and is gone up and down 120 lower end of fastener at this time and is disappeared to the enclasping force of tubule 140, tubule 140 can free skating Dynamic, after being adjusted to be suitble to length, rotation and lifting fastener 120 is in stationary state again.

In one embodiment, 120 inner wall of lifting fastener can be covered with flexible material.Further, described soft Property material be rubber.Frictional force can be increased by flexible material, so that lifting fastener 120 slightly moves down and can consolidate Determine tubule 140.

The present embodiment, by the way that lifting fastener is arranged between extra heavy pipe and tubule；In the lifting fastener and extra heavy pipe Inside deformation is generated when with locking, to hold tubule tightly, realizes the fixation that extra heavy pipe is connect with tubule.In this way, the nothing on the outside of extra heavy pipe Additional components need to be set, not will increase structure outer diameter；Suitable for more accurate consumptive power electronic product to miniaturized structure, Sophistication and integrated demand.

It is noted that the connection structure of extra heavy pipe and tubule that the utility model proposes can be applied to Alipay and lose face Equipment, equipment needs to adjust different height to meet the needs of people of different heights group, while equipment is placed in specific position, Need exquisite beauty, the structure position globality of join domain to greatest extent.It can also be applied to the tools such as mop, desk lamp Elevating lever in.

All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.

Those skilled in the art will readily occur to this explanation after considering specification and practicing utility model disclosed herein Other embodiments of book.This specification is intended to cover any variations, uses, or adaptations of this specification, these changes Type, purposes or adaptive change follow the general principle of this specification and including the undocumented the art of this specification In common knowledge or conventional techniques.The description and examples are only to be considered as illustrative, the true scope of this specification It is indicated by the following claims with spirit.

It should be understood that this specification is not limited to the precise structure that has been described above and shown in the drawings, And various modifications and changes may be made without departing from the scope thereof.The range of this specification is only limited by the attached claims System.

Claims (10)

1. the connection structure of a kind of extra heavy pipe and tubule, from outside to inside respectively include:

Extra heavy pipe, lifting fastener, support fastener and tubule；

Wherein, the tubule passes through the lifting fastener and support fastener is inserted into the extra heavy pipe；

It is cooperated by the contact surface of the extra heavy pipe upper end and the lifting fastener lower end and realizes the lifting fastener Upper and lower displacement；

When the lifting fastener is to bottom offset, the lifting fastener lower end is under support fastener extruding, inwardly The fixation that the tubule realizes the extra heavy pipe and tubule is held in deformation tightly.

2. connection structure according to claim 1, the extra heavy pipe inner wall is provided with for placing the support fastener Plummer, the support fastener are placed on the plummer.

3. the main body of connection structure according to claim 2, the support fastener is round tube, inwall processing is the conical surface.

4. connection structure according to claim 2, the plummer internal diameter phase of support the fastener outer diameter and the extra heavy pipe Together.

5. the main body of connection structure according to claim 1, the lifting fastener is round tube, lower end is machined with outer spiral shell Line；

Internal screw thread is machined on the inside of the extra heavy pipe upper end；

The extra heavy pipe and lifting fastener are connect by the external screw thread with screw-internal thread fit, and realize upper bottom by rotation It moves.

6. the external screw thread lower part of connection structure according to claim 5, the lifting fastener is machined with the conical surface.

7. connection structure according to claim 6, the conical surface region is provided with several notch.

8. connection structure according to claim 5, the lifting fastener outer diameter is identical as the extra heavy pipe outer diameter.

9. connection structure according to claim 5, the lifting fastener inner wall is covered with flexible material.

10. connection structure according to claim 9, the flexible material is rubber.