CN213298498U

CN213298498U - Square pipe connecting structure

Info

Publication number: CN213298498U
Application number: CN202021745010.5U
Authority: CN
Inventors: 涓ュぎ; 严央
Original assignee: Ningbo Hailian Leisure Co ltd
Current assignee: Ningbo Hailian Leisure Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-05-28
Anticipated expiration: 2030-08-19

Abstract

The application relates to a square tube connecting structure, which relates to the field of pipe fitting connecting technology and comprises a square tube and a connecting sleeve arranged on the square tube, wherein limiting rings are integrally arranged on the square tube, the limiting rings are symmetrically arranged on two sides of the square tube, and the limiting rings are arranged in a descending manner from the outer side to the inner side of the square tube; the utility model discloses a spacing connection structure, including adapter sleeve, spacing ring, mounting hole, spacing groove and spacing hole, the adapter sleeve is close to the one end of spacing ring and is provided with the spacing groove that supplies the spacing ring to contradict the joint, the spacing ring is close to adapter sleeve one end and has seted up spacing hole, the adapter sleeve is close to the one end of spacing ring and has seted up the mounting hole, mounting hole and the coaxial setting of spacing groove, and mounting hole, spacing. This application has the operation degree of difficulty of fixing on square pipe in order to reduce the connecting sleeve, makes things convenient for the effect of the installation of connecting sleeve.

Description

Square pipe connecting structure

Technical Field

The application relates to the field of pipe fitting connection, in particular to a square pipe connecting structure.

Background

At present, the square tube is widely applied to the fields of office furniture, advertisement trusses, guard rails and the like due to the characteristics of high strength and convenience in storage and turnover.

As shown in fig. 1, in the related art, through-hole 2 has been seted up to the symmetry on the square pipe 1, and adapter sleeve 3 is put into from the opening of square pipe 1 one end, and both ends and the through-hole 2 of adapter sleeve 3 are fixed through the welding to realize the fixed of square pipe 1 and adapter sleeve 3, adapter sleeve 3 on the square pipe 1 supplies bolt or screw to alternate fixedly.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: after the connecting sleeve is placed into the square tube, the connecting sleeve needs to be aligned to the through hole and then welded, the operation difficulty is high, and an improved space is provided.

SUMMERY OF THE UTILITY MODEL

In order to reduce the connecting sleeve and fix the operation degree of difficulty on square pipe, make things convenient for the installation of adapter sleeve, this application provides a square pipe connection structure.

The application provides a square tube connection structure adopts following technical scheme:

the connecting device comprises a square tube and a connecting sleeve arranged on the square tube, wherein limiting rings are integrally arranged on the square tube, the limiting rings are symmetrically arranged on two sides of the square tube, and the limiting rings are arranged in a descending manner from the outer side to the inner side of the square tube;

the utility model discloses a spacing connection structure, including adapter sleeve, spacing ring, mounting hole, spacing groove and spacing hole, the adapter sleeve is close to the one end of spacing ring and is provided with the spacing groove that supplies the spacing ring to contradict the joint, the spacing ring is close to adapter sleeve one end and has seted up spacing hole, the adapter sleeve is close to the one end of spacing ring and has seted up the mounting hole, mounting hole and the coaxial setting of spacing groove, and mounting hole, spacing.

By adopting the technical scheme, the arrangement of the limiting ring limits the sliding of the connecting sleeve in the square tube, so that the connecting sleeve can be aligned to the through hole after being placed in the square tube;

the connecting sleeve is provided with a limiting groove, the limiting groove and the limiting ring are matched with each other, so that the limiting ring and the connecting sleeve are in butt joint, and a guide inclined plane on the limiting groove is used for better matching with the limiting ring;

the limiting hole, the mounting hole and the limiting groove are communicated with each other, so that a bolt or a screw can better penetrate through the connecting sleeve; thereby the cooperation of spacing ring and spacing groove reduces the operation degree of difficulty that the adapter sleeve was fixed on square pipe, makes things convenient for the installation of adapter sleeve.

Preferably, the connecting sleeve comprises a guide sleeve and clamping sleeves which are arranged at two ends of the guide sleeve and are clamped and limited with the limiting rings;

an external thread ring is integrally arranged on one side of the guide sleeve close to the clamping sleeve, and an internal thread ring in threaded fit with the external thread ring is arranged on one side of the clamping sleeve close to the guide sleeve;

one side of the clamping sleeve, which is far away from the guide sleeve, is provided with a rounding which is mutually guided by the limiting ring.

By adopting the technical scheme, the clamping sleeve is divided into the clamping sleeve and the guide sleeve, the clamping sleeve is positioned at two ends of the guide sleeve, and the guide sleeve is connected with the two clamping sleeves, so that the connecting sleeves are convenient to mount, dismount and replace;

the external thread ring arranged on the guide sleeve is matched with the internal thread ring on the clamping sleeve through threads, so that the guide sleeve and the clamping sleeve are fixed, and the fixing strength is increased;

when the clamping sleeve is clamped with the limiting ring, the rounding has the function of guiding the limiting ring mutually.

Preferably, the guide sleeve is fixed with the rubber gasket near the one end of joint cover, the rubber gasket is located between guide pin bushing and the joint cover, just the rubber gasket is contradicted with guide pin bushing and joint cover and is met.

By adopting the technical scheme, the rubber gasket is arranged between the guide sleeve and the clamping sleeve, and the guide sleeve and the clamping sleeve deform after being screwed on the threads, so that the connection between the guide sleeve and the clamping sleeve is firmer.

Preferably, one side of the rubber gasket, which is close to the guide sleeve, is integrally provided with a fixing ring, a fixing groove for the fixing ring to be inserted and fixed is formed in the guide sleeve, and the fixing groove is communicated with the outside.

Through adopting above-mentioned technical scheme, the cooperation of the mutual joint of fixed slot on solid fixed ring on the rubber gasket and the guide cover realizes the preliminary fixed of rubber gasket and guide cover, and the rubber gasket also can be followed and is sheathe in dismantlement, maneuverability is strong on the guide cover.

Preferably, an integrated clamping ring is arranged on the fixing ring, a clamping groove for the clamping ring to be inserted into the clamping ring is formed in the guide sleeve, and the clamping groove is communicated with the fixing groove.

Through adopting above-mentioned technical scheme, after solid fixed ring inserted the installation and advances the fixed slot, the further fixed of rubber gasket and guide pin bushing is realized to the setting in joint ring and joint groove to the fixed strength of rubber gasket and guide pin bushing has been strengthened.

Preferably, the rubber gasket is close to the integrative compact heap that is provided with in one side of joint cover, the compact heap is hemispherical setting and protruding to the joint cover direction, the compact heap is circumferential direction at one side that the rubber gasket is close to the joint cover and arranges.

Through adopting above-mentioned technical scheme, when uide bushing and joint cover screw thread are twisted and are connect fixedly, the compact heap receives the extrusion and takes place deformation, and the hemispherical bulge of compact heap sets up, makes uide bushing and joint cover more firm when fixed, and the practicality is strong.

Preferably, one side of the rubber gasket, which is close to the clamping sleeve, is provided with a deformation groove for deformation of the pressing block.

Through adopting above-mentioned technical scheme, the compact heap receives the extrusion and takes place deformation when uide bushing and joint cover screw thread are twisted and are connect, and the setting in deformation groove provides the space for the compact heap deformation, makes the compact heap take place deformation in the deformation inslot.

Preferably, the rubber gasket is clamped with a rubber magnetic ring, the rubber magnetic ring is sleeved on the external thread ring, and the rubber gasket is provided with a magnetic ring groove for clamping and fixing the rubber magnetic ring.

Through adopting above-mentioned technical scheme, rubber magnetic ring and mutual joint in magnetic ring groove realize the fixing of rubber magnetic ring on the rubber gasket, and the setting of rubber magnetic ring makes the rubber gasket install with fix when guide pin bushing, to the actuation of guide pin bushing, the practicality is strong.

Preferably, a fixing piece is integrally arranged on the rubber magnetic ring, the fixing piece is circumferentially arranged on the rubber magnetic ring, a fixing hole for clamping and fixing the fixing piece is formed in the rubber gasket, and the fixing hole is communicated with the magnetic ring groove.

Through adopting above-mentioned technical scheme, the joint setting of stationary blade and fixed orifices has further increased fixed strength on the preliminary fixed of rubber magnetic ring and magnetic ring groove joint, makes better being fixed in on the rubber gasket of rubber magnetic ring.

Preferably, one side of the clamping sleeve, which is close to the rubber gasket, is clamped with a magnetic ring for attracting the rubber gasket, the clamping sleeve is provided with a mounting groove for fixing the clamping magnetic ring, and the magnetic ring and the rubber magnetic ring attract each other.

Through adopting above-mentioned technical scheme, the setting of mounting groove is sheathe in the joint with the magnetic ring joint, and the magnetic ring is towards one side of rubber gasket, and the rubber magnetic ring inter attraction on magnetic ring and the rubber gasket plays the effect of guide when the joint cover is close to the rubber gasket, makes joint cover and rubber gasket inter attraction.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the connecting sleeve slides into the square tube, the positioning of the connecting sleeve is realized by the arrangement of the clamping ring, and the clamping groove and the clamping ring are matched with each other, so that the operation difficulty of fixing the connecting sleeve on the square tube is reduced, and the connecting sleeve is convenient to install;

2. the rubber gasket is used for connecting the clamping sleeve and the guide sleeve, so that the thread matching of the clamping sleeve and the guide sleeve is firmer;

3. the rubber magnetic ring is arranged for attracting the guide sleeve, so that the rubber gasket and the guide sleeve are more convenient to mount; the arrangement of the magnetic ring enables the rubber magnetic ring and the magnetic ring to attract each other, and the installation of the clamping sleeve and the guide sleeve is more convenient.

Drawings

Fig. 1 is a schematic structural view of a square pipe connection structure in the related art.

Fig. 2 is a sectional view of a square tube connection structure in example 1 of the present application.

Fig. 3 is a schematic structural view of a connecting sleeve in embodiment 2 of the present application.

Fig. 4 is a sectional view of the clamping sleeve, the rubber gasket and the guide sleeve in embodiment 2 of the present application.

Fig. 5 is an enlarged view of the a-portion fixing groove and the catching groove of fig. 4 in embodiment 2 of the present application.

Fig. 6 is an enlarged schematic view of the B-portion fixing ring, the snap ring, the pressing block, and the deformation groove of fig. 4 in embodiment 2 of the present application.

Fig. 7 is a schematic view of the installation of the guide sleeve, the rubber magnet ring and the rubber gasket in embodiment 2 of the present application.

Fig. 8 is a schematic view of the installation of the magnetic ring and the clamping sleeve in embodiment 2 of the present application.

Description of reference numerals: 1. a square tube; 2. a through hole; 3. connecting sleeves; 4. a limiting ring; 5. a clamping sleeve; 6. a guide sleeve; 7. a limiting groove; 8. rounding; 9. a rubber gasket; 10. a fixing ring; 11. fixing grooves; 12. a snap ring; 13. a clamping groove; 14. a compression block; 15. a deformation groove; 16. a rubber magnet ring; 17. a magnetic ring groove; 18. a fixing sheet; 19. a fixing hole; 20. a magnetic ring; 21. mounting grooves; 22. a limiting hole; 23. mounting holes; 24. an internally threaded ring; 25. an externally threaded ring.

Detailed Description

The present application is described in further detail below with reference to figures 2-8.

The embodiment of the application discloses square pipe connection structure.

Example 1

Referring to fig. 2, a square pipe connection structure includes a square pipe 1 and a connection sleeve 3 fixed in the square pipe 1.

The integrative spacing ring 4 that is equipped with on square pipe 1, spacing ring 4 are the symmetry setting on square pipe 1, and spacing ring 4 is the degressive setting from square pipe 1's outside to inboard to form the guide face of an incline, the guide face is used for the guide bolt to wear to establish the adapter sleeve 3 in square pipe 1.

Limiting grooves 7 are formed in one side, close to the limiting ring 4, of the connecting sleeve 3, the limiting grooves 7 are symmetrically formed in two ends of the connecting sleeve 3, the limiting grooves 7 and the limiting ring 4 are mutually abutted, and the square pipe 1 is clamped with the connecting sleeve 3.

Spacing hole 22 has been seted up to the one end that spacing ring 4 is close to adapter sleeve 3, and adapter sleeve 3 has been seted up mounting hole 23 near the one end of spacing ring 4, and mounting hole 23 and spacing groove 7 coaxial setting, and the size of mounting hole 23 and spacing hole 22 is the same.

The mounting hole 23, the limiting groove 7 and the limiting hole 22 are communicated with each other, and the bolt sequentially penetrates through the limiting hole 22, the limiting groove 7 and the mounting hole 23 at one end and the mounting hole 23, the limiting groove 7 and the limiting hole 22 at the other end to be fixed with the connecting sleeve 3.

The assembling process comprises the following steps: the connecting sleeve 3 slides in the square tube 1, and under the limiting action of the limiting rings 4, the connecting sleeve 3 is clamped between the two limiting rings 4. The staff inwards applies force simultaneously and presses on square pipe 1, and square pipe 1's both sides atress inwards takes place deformation, thereby extrudees spacing ring 4 and makes spacing ring 4 joint in connecting, and the inner ring of adapter sleeve 3 contradicts with spacing ring 4 and meets to realize adapter sleeve 3 fixed on square pipe 1.

Example 2

Referring to fig. 3, the difference from embodiment 1 is that the connection sleeve 3 is not an integral body, and the connection sleeve 3 includes a snap sleeve 5 and a guide sleeve 6. Clamping sleeve 5 symmetry sets up in the both ends of guide pin bushing 6, and the centre gripping is fixed with rubber gasket 9 between clamping sleeve 5 and the guide pin bushing 6, and guide pin bushing 6 is used for two clamping sleeve 5 of fixed connection.

Radius 8 has been seted up to the one end of joint sleeve 5, and radius 8 and spacing ring 4 guide each other far away from guide pin bushing 6, make adapter sleeve 3 more convenient at the in-process of installing into square pipe 1.

Referring to fig. 4, an external thread ring 25 is integrally arranged on one side of the guide sleeve 6 close to the clamping sleeve 5, an internal thread ring 24 in thread fit with the external thread ring 25 is arranged on one side of the clamping sleeve 5 close to the guide sleeve 6, and the internal thread ring 24 on the clamping sleeve 5 is in thread fit with the external thread ring 25 on the guide sleeve 6, so that the clamping sleeve 5 and the guide sleeve 6 are fixedly installed.

And a rubber gasket 9 is fixed at one end of the guide sleeve 6 close to the clamping sleeve 5, the thickness of the rubber gasket 9 is half of that of the external thread ring 25 on the guide sleeve 6, and the outer diameter of the rubber gasket 9 is the same as that of the guide sleeve 6. The upper surface of rubber gasket 9 is contradicted with joint sleeve 5 mutually, and the lower surface of rubber gasket 9 is contradicted with guide sleeve 6 mutually for strengthen the fixed connection of guide sleeve 6 and joint sleeve 5.

The rubber gasket 9 is clamped between the guide sleeve 6 and the clamping sleeve 5, and under the threaded matching of the internal thread ring 24 and the external thread ring 25, the rubber gasket 9 is stressed to deform, so that the fixing strength of the guide sleeve 6 and the clamping sleeve 5 is further enhanced.

Referring to fig. 5 and 6, one side of the rubber gasket 9 close to the guide sleeve 6 is integrally provided with a fixing ring 10, one side of the guide sleeve 6 close to the rubber gasket 9 is provided with a fixing groove 11, and the fixing groove 11 is used for clamping and fixing the fixing ring 10, so that the rubber gasket 9 and the guide sleeve 6 are preliminarily fixed.

The integrative joint ring 12 that is equipped with on solid fixed ring 10, joint groove 13 has still been seted up to one side that guide sleeve 6 is close to rubber gasket 9, and joint groove 13 is used for joint ring 12's joint fixed, and joint groove 13 and fixed slot 11 intercommunication each other, and joint groove 13 and joint ring 12's joint cooperation has further strengthened rubber gasket 9 and guide sleeve 6's fixed strength.

One side of the rubber gasket 9 close to the clamping sleeve 5 is integrally provided with a pressing block 14, the pressing block 14 is circumferentially arranged on the rubber gasket 9, and six pressing blocks 14 are preferred in the embodiment. The pressing block 14 is made of rubber and is provided in a hemispherical shape, and the pressing block 14 protrudes in a direction away from the guide sleeve 6.

One side of the rubber gasket 9, which is far away from the guide sleeve 6, is provided with a deformation groove 15, the deformation groove 15 is circular and is coaxial with the pressing block 14, and the deformation grooves 15 correspond to the pressing blocks 14 one by one. Deformation groove 15 supplies the deformation of compact heap 14 to spread outward, and at

guide sleeve

6 and 5 screw-thread fit in-process of joint sleeve, compact heap 14 receives the power from 5 directions of joint sleeve to guide sleeve 6 to be extruded and produce deformation, make the connection of guide sleeve 6 and joint sleeve 5 more stable.

Referring to fig. 6 and 7, the rubber gasket 9 is embedded with a rubber magnetic ring 16, and the rubber magnetic ring 16 is located outside the external thread ring 25. In this embodiment, the guide sleeve 6 is made of stainless steel, the rubber gasket 9 is mounted on the guide sleeve 6, and the rubber magnet ring 16 attracts the guide sleeve 6 to perform a guiding function.

The rubber gasket 9 is provided with a magnetic ring groove 17 for clamping the magnetic ring 20, and the rubber magnetic ring 16 and the magnetic ring groove 17 are mutually clamped, so that the rubber magnetic ring 16 is fixed on the rubber gasket 9.

The rubber magnet ring 16 is integrally provided with a fixing piece 18, the fixing piece 18 is disposed on the rubber magnet ring 16 in an outward circumferential direction, and in the embodiment, the fixing piece 18 is preferably four pieces. The guide sleeve 6 is provided with a fixing hole 19, the fixing hole 19 is used for clamping the fixing piece 18, and the fixing hole 19 is communicated with the magnetic ring groove 17. The clamping of the fixing hole 19 and the fixing piece 18 further enhances the fixing of the rubber magnet ring 16 on the rubber gasket 9.

Referring to fig. 8, a magnetic ring 20 is fixed on one side of the clamping sleeve 5 close to the guide sleeve 6, a mounting groove 21 for clamping and fixing the magnetic ring 20 is formed in the clamping sleeve 5, and the mounting groove 21 is communicated with the outside. The magnetic ring 20 and the rubber magnetic ring 16 attract each other, and play a role in guiding and limiting in the process of matching the clamping sleeve 5 and the guide sleeve 6 through threads, so that the clamping sleeve 5 and the guide sleeve 6 can be better connected.

The mounting manner of the both-side engaging sleeve 5 and the guide sleeve 6 is the same, and one side is taken as an example to explain:

1. the rubber magnetic ring 16 is clamped and installed on the rubber gasket 9;

2. respectively clamping a fixing ring 10 and a clamping ring 12 in the rubber gasket 9 into a fixing groove 11 and a clamping groove 13, so that the rubber gasket 9 is fixedly arranged on the guide sleeve 6;

3. the magnetic ring 20 is clamped and installed on the clamping sleeve 5;

4. screwing the internal thread ring 24 of the clamping sleeve 5 on the external thread ring 25 on the guide sleeve 6 to realize the fixation of the clamping sleeve 5 and the guide sleeve 6;

4. the staff inwards applies force simultaneously and presses on square pipe 1, and square pipe 1's both sides atress inwards takes place deformation, extrudees spacing ring 4, makes joint sleeve 5 and spacing ring 4 joint fixed to realize joint sleeve 5, guide sleeve 6 and square pipe 1's fixed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a square pipe connection structure, includes square pipe (1) and installs adapter sleeve (3) on square pipe (1), its characterized in that: the square tube (1) is integrally provided with limiting rings (4), the limiting rings (4) are symmetrically arranged on two sides of the square tube (1), and the limiting rings (4) are arranged in a descending manner from the outer side to the inner side of the square tube (1);

one end of the connecting sleeve (3) close to the limiting ring (4) is provided with a limiting groove (7) for the limiting ring (4) to butt against and clamp, the limiting ring (4) is close to one end of the connecting sleeve (3) and is provided with a limiting hole (22), one end of the connecting sleeve (3) close to the limiting ring (4) is provided with a mounting hole (23), the mounting hole (23) is coaxially arranged with the limiting groove (7), and the mounting hole (23), the limiting groove (7) and the limiting hole (22) are mutually communicated.

2. A square pipe connecting structure according to claim 1, wherein: the connecting sleeve (3) comprises a guide sleeve (6) and clamping sleeves (5) which are arranged at two ends of the guide sleeve (6) and are clamped and limited with the limiting ring (4);

an external thread ring (25) is integrally arranged on one side, close to the clamping sleeve (5), of the guide sleeve (6), and an internal thread ring (24) in threaded fit with the external thread ring (25) is arranged on one side, close to the guide sleeve (6), of the clamping sleeve (5);

one side of the clamping sleeve (5) far away from the guide sleeve (6) is provided with a radius (8) which is mutually guided with the limiting ring (4).

3. A square pipe connecting structure according to claim 2, wherein: the one end that guide pin bushing (6) are close to joint cover (5) is fixed with rubber gasket (9), rubber gasket (9) are located between guide pin bushing (6) and joint cover (5), just rubber gasket (9) are contradicted with guide pin bushing (6) and joint cover (5) and are met.

4. A square pipe connecting structure according to claim 3, wherein: one side of the rubber gasket (9) close to the guide sleeve (6) is integrally provided with a fixing ring (10), a fixing groove (11) for the fixing ring (10) to be inserted and fixed is formed in the guide sleeve (6), and the fixing groove (11) is communicated with the outside.

5. The square pipe connecting structure according to claim 4, wherein: the fixing ring (10) is integrally provided with a clamping ring (12), the guide sleeve (6) is provided with a clamping groove (13) for the clamping ring (12) to be inserted into the clamping, and the clamping groove (13) is communicated with the fixing groove (11).

6. A square pipe connecting structure according to claim 3, wherein: rubber gasket (9) are close to one side an organic whole of joint cover (5) and are provided with compact heap (14), compact heap (14) are hemispherical setting and protruding to joint cover (5) direction, compact heap (14) are circumferential direction at one side that rubber gasket (9) are close to joint cover (5) and arrange.

7. The square pipe connecting structure according to claim 6, wherein: one side of the rubber gasket (9) close to the clamping sleeve (5) is provided with a deformation groove (15) for deformation of the pressing block (14).

8. A square pipe connecting structure according to claim 3, wherein: the rubber gasket (9) is connected with a rubber magnetic ring (16) in a clamping mode, the rubber magnetic ring (16) is sleeved on the external thread ring (25), and a magnetic ring groove (17) for fixing the rubber magnetic ring (16) in a clamping mode is formed in the rubber gasket (9).

9. A square pipe connecting structure according to claim 8, wherein: the rubber magnetic ring is characterized in that a fixing piece (18) is integrally arranged on the rubber magnetic ring (16), the fixing piece (18) is circumferentially arranged on the rubber magnetic ring (16), a fixing hole (19) for clamping and fixing the fixing piece (18) is formed in the rubber gasket (9), and the fixing hole (19) is communicated with the magnetic ring groove (17).

10. A square pipe connecting structure according to claim 8, wherein: one side of the clamping sleeve (5) close to the rubber gasket (9) is clamped with a magnetic ring (20) for attracting the rubber gasket (9), a mounting groove (21) for fixing the clamping magnetic ring (20) is formed in the clamping sleeve (5), and the magnetic ring (20) and the rubber magnetic ring (16) are mutually attracted.