CN217603089U - Tubular product internal expanding formula connection structure and handrail - Google Patents

Tubular product internal expanding formula connection structure and handrail Download PDF

Info

Publication number
CN217603089U
CN217603089U CN202220630664.6U CN202220630664U CN217603089U CN 217603089 U CN217603089 U CN 217603089U CN 202220630664 U CN202220630664 U CN 202220630664U CN 217603089 U CN217603089 U CN 217603089U
Authority
CN
China
Prior art keywords
tubular product
section
slot
handrail
connection structure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202220630664.6U
Other languages
Chinese (zh)
Inventor
谢炜
鲁作为
林华侨
吴俊辉
赖永莹
黄云石
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Arrow Home Group Co Ltd
Original Assignee
Arrow Home Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Arrow Home Group Co Ltd filed Critical Arrow Home Group Co Ltd
Priority to CN202220630664.6U priority Critical patent/CN217603089U/en
Application granted granted Critical
Publication of CN217603089U publication Critical patent/CN217603089U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

The utility model relates to a tubular product connection technical field specifically discloses a tubular product internal expanding formula connection structure and handrail, and this connection structure includes first tubular product and second tubular product, first tubular product is equipped with the connector, second tubular product is equipped with and supplies connector male slot, the connector includes the connector body and inserts a section of thick bamboo along the axis direction setting of second tubular product, the periphery wall of inserting a section of thick bamboo offsets with the inner wall of slot, just one side of inserting a section of thick bamboo is equipped with the fixed orifices, and the breach has been seted up to the opposite side, breach department is equipped with the flexure strip, the flexure strip be equipped with stiff end and free end, the stiff end is connected with the connector body, connection structure still includes the push rod, slot and fixed orifices are run through in proper order to the one end of push rod, and will the free end pushes away to the inner wall to the slot. The utility model discloses a connection structure simple structure, the connection between the tubular product is inseparabler, and firm in connection degree is better, and the joint gap is littleer.

Description

Tubular product internal expanding formula connection structure and handrail
Technical Field
The utility model relates to a tubular product connection technical field especially relates to a tubular product internal expanding type connection structure and handrail.
Background
Fixed handrail product on the present market is usually formed by the unable adjustment base equipment of bar and symmetry locating the bar, is through weld nut respectively in the middle of both between bar and the unable adjustment base, adopts the lead screw lug connection afterwards, rotates unable adjustment base locking, and the defect of this kind of connected mode lies in: 1. the centrality and the verticality of the nut installation are difficult to guarantee, and if the nut installation is askew, gaps and malpositions are easy to generate between the grab rail and the fixed base after locking; secondly, this kind of locking mode by rotating unable adjustment base is difficult to the final orientation of accuse unable adjustment base, when two unable adjustment bases orientation was not unified after locking, needs unscrew one side, makes two unable adjustment bases on a plane, and this junction that also leads to between the unable adjustment base of one end and the bar is just loose, produces the gap from this, and the production of gap and dislocation causes the connection between the spare part inseparable, influences overall structure's firmness.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art current situation, provide a tubular product internal expanding formula connection structure and handrail that simple structure, connection are inseparable, the firmness is good.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a tubular product internal expanding formula connection structure, includes first tubular product and second tubular product, first tubular product is equipped with the connector, second tubular product is equipped with and supplies connector male slot, the connector includes the connector body and inserts a section of thick bamboo along the axis direction setting of second tubular product, the periphery wall of inserting a section of thick bamboo offsets with the inner wall of slot, just one side of inserting a section of thick bamboo is equipped with the fixed orifices, and the breach has been seted up to the opposite side, breach department is equipped with the flexure strip, the flexure strip be equipped with stiff end and free end, the stiff end is connected with the connector body, connection structure still includes the push rod, slot and fixed orifices are run through in proper order to the one end of push rod, and will the free end pushes away to the inner wall to the slot.
Preferably, one side of the elastic sheet close to the fixing hole is provided with a thickened part, and the thickened part extends into the inserting barrel, so that the requirement on the tightness of the connecting structure is reduced, and the product is easier to produce and manufacture.
Preferably, one side of the slot, which is close to the fixing hole, is provided with a mounting hole for mounting the push rod, the fixing hole and the mounting hole are overlapped in a staggered manner, the axial lead of the fixing hole is located on one side of the axial lead of the mounting hole, which is close to the first pipe, and the pipes are connected more tightly and firmly.
Preferably, the opening of the fixing hole close to one side of the mounting hole is of a frustum-shaped structure with a narrow inner part and a wide outer part.
Preferably, insert a section of thick bamboo and be equipped with the thickening layer, the thickening layer is located insert one side that a section of thick bamboo was equipped with the fixed orifices, the push rod installation is more firm.
Preferably, the push rod is an inner hexagonal headless screw, the fixing hole is a threaded hole, and the surface of the pipe is neater and more attractive after the pipe is connected.
Preferably, the cross sections of the insertion barrel and the slot are both in an ellipse-like structure, the ellipse-like structure is formed by encircling two oppositely arranged arc edges and two oppositely arranged parallel straight edges, the insertion barrel comprises a first plane section, a curved surface section and a second plane section which are sequentially connected, the first plane section and the second plane section are parallel to each other, and the fixing hole is located on the curved surface section.
The utility model also provides a handrail, it contains foretell tubular product internal expanding formula connection structure.
Preferably, the handrail comprises a handrail rod and fixed bases respectively arranged at two ends of the handrail rod, the first pipe is the fixed base, and the second pipe is the handrail rod.
The beneficial effects of the utility model reside in that:
1) The utility model discloses simple structure adopts the push rod fixed between the tubular product, compares in prior art and adopts the connected mode of welded nut and lead to the screw rod, and it is more convenient that the final orientation location after tubular product is connected, location fit between push rod and the fixed orifices, effectively avoids the tubular product to connect the back because of the installation dislocation lead to the problem that the junction has the gap, through adopting push rod ejection flexure strip, constitutes internal expanding type connection structure, and the connection between the tubular product is inseparabler, firm, and compares in prior art, the utility model discloses a connection structure precision requires lowly, more is favorable to the manufacturing of product.
2) The utility model discloses an adopt internal expanding formula connection structure between unable adjustment base and the bar, need not readjust unable adjustment base's orientation after connecting, the equipment is simpler, and the joint gap between unable adjustment base and the bar is little, connects closely the degree height, and whole firmness is better.
Drawings
Fig. 1 is a schematic structural view of the internal expansion type connection structure of the pipe of the present invention.
Fig. 2 is an explosion diagram of the pipe internal expansion type connection structure of the present invention.
Fig. 3 is a transverse sectional view of the internal expanding type pipe connecting structure of the present invention.
Fig. 4 is a longitudinal sectional view of the pipe internal expansion type connecting structure of the present invention.
Fig. 5 is another exploded view of the internal expansion type pipe connection structure of the present invention.
Fig. 6 is a schematic structural view of the armrest of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and embodiments:
example 1
Please refer to fig. 1-5, the utility model discloses a pipe internal expanding type connection structure, including first pipe 1 and second pipe 2, first pipe 1 is equipped with connector 4, second pipe 2 is equipped with and supplies connector 4 male slot 5, connector 4 includes connector 4 body and inserts a section of thick bamboo 6 along the axis direction setting of second pipe 2, the periphery wall of inserting a section of thick bamboo 6 offsets with the inner wall of slot 5, and one side of inserting a section of thick bamboo 6 is equipped with fixed orifices 61, breach 63 has been seted up to the opposite side, breach 63 department is equipped with flexure strip 7, flexure strip 7 is equipped with stiff end 71 and free end 72, stiff end 71 is connected with connector 4 body, connection structure still includes push rod 3, the one end of push rod 3 runs through slot 5 and fixed orifices 61 in proper order, and support free end 72 to the inner wall of slot 5.
Referring to fig. 3, during assembly, the inserting cylinder 6 is inserted into the slot 5, the push rod 3 is screwed, one end of the push rod 3 sequentially penetrates through the slot 5 and the fixing hole 61 to enter the inserting cylinder 6 until abutting against the elastic sheet 7 opposite to the fixing hole 61, the push rod 3 is continuously screwed, the free end 72 of the elastic sheet 7 is pushed to the left inner wall of the slot 5 until the free end 72 abuts against the left inner wall of the slot 5 tightly, and meanwhile, the elastic sheet 7 generates a reverse acting force to enable the right side (i.e. the side with the fixing hole 61) of the inserting cylinder 6 to abut against the right inner wall of the slot 5, so that an internal connection structure that the connector 4 expands in the slot 5 is formed, and the connector 4 is stressed uniformly on two sides in the slot 5 and is tightly and firmly connected with the slot 5.
The utility model discloses simple structure, it is fixed to adopt push rod 3 between first tubular product 1 and the second tubular product 2, compares in prior art adoption welded nut and the connected mode of lead screw, and it is more convenient that first tubular product 1 is connected the final orientation location with second tubular product 2, location fit between push rod 3 and the fixed orifices 61, effectively avoid leading to the junction to have the problem in gap because of the installation dislocation after the tubular product is connected, through adopting push rod 3 ejection elastic sheet 7, constitute internal expanding formula connection structure, connection between the tubular product is inseparabler, firm, and compares in prior art, the utility model discloses a connection structure precision requires lowly, more is favorable to the manufacturing of product.
Referring to fig. 3 and 5, a thickened portion 73 is provided on a side of the elastic sheet 7 close to the fixing hole 61, the thickened portion 73 extends into the insertion tube 6, and the thickened portion 73 provides a certain adjustment space for the expansion range of the elastic sheet 7 in the insertion slot 5, so that the tightness requirement of the connection structure is reduced, and the product is easier to produce and manufacture.
Referring to fig. 2, one side of the slot 5 close to the fixing hole 61 is provided with a mounting hole 51 for mounting the push rod 3, the fixing hole 61 and the mounting hole 51 are staggered and overlapped (i.e. partially overlapped and misaligned), and the axis of the fixing hole 61 is located on one side of the axis of the mounting hole 51 close to the first tube 1, in this embodiment, two sets of the fixing holes 61 and the mounting hole 51 are provided, and are respectively arranged along the axial direction of the second tube 2.
Because there is a bit dislocation between fixed orifices 61 and the mounting hole 51, and fixed orifices 61 locates one side that mounting hole 51 is close to first tubular product 1, when screwing up push rod 3, under the effect of push rod 3 and fixed orifices 61, the edge of mounting hole 51 offsets with push rod 3, the axle center of mounting hole 51 is compelled to remove to one side of first tubular product 1 place, the linkage drives second tubular product 2 and crowds tightly to first tubular product 1, thereby effectively reduce the joint gap between the tubular product, the connection between the tubular product is inseparabler, firm.
Referring to fig. 2, an opening 62 of the fixing hole 61 near the mounting hole 51 is a frustum structure with a narrow inner part and a wide outer part, which facilitates the mounting of the push rod 3.
Insert a section of thick bamboo 6 and be equipped with thickening layer 64, thickening layer 64 is located the one side of inserting a section of thick bamboo 6 and being equipped with fixed orifices 61, and thickening layer 64 has increased fixed orifices 61 thickness, and the effective connection area of fixed orifices 61 and push rod 3 is more, and the push rod 3 installation is more firm.
Push rod 3 is hexagon socket head-free screw 3, and fixed orifices 61 is the screw hole, sinks in second tubular product 2 completely after the installation in, and the surface is more neatly pleasing to the eye after tubular product connects.
The cross sections of the inserting cylinder 6 and the inserting groove 5 are both in an ellipse-like structure, the ellipse-like structure is defined by two oppositely arranged arc sides and two oppositely arranged parallel straight sides, the inserting cylinder 6 comprises a first plane section 65, a curved section 67 and a second plane section 66 which are connected in sequence, the first plane section 65 and the second plane section 66 are parallel to each other, and the fixing hole 61 is located on the curved section 67.
Referring to fig. 3, when the push rod 3 is locked, the elastic piece 7 is expanded by the push rod 3, the insertion tube 6 moves rightwards, and the curved surface on the right side of the insertion slot 5 tends to coincide with the curved surface section 67 under the guiding action of the first plane section 65, the second plane section 66 and the curved surface section 67, so that the right side of the insertion tube 6 is further ensured to be tightly attached to the inner wall on the right side of the insertion slot 5.
The utility model discloses a connection structure application is extensive, for example, can be used to products such as handrail, bathroom bench, tap, effectively realizes inseparable, firm joint between the tubular product, reduces the connection gap between the tubular product.
Example 2
Referring to fig. 6, the present embodiment provides a handrail, which includes the pipe internal expansion type connection structure according to embodiment 1.
The handrail comprises a handrail rod and fixing bases arranged at two ends of the handrail rod respectively, the first pipe 1 is the fixing base, and the second pipe 2 is the handrail rod.
The utility model discloses an adopt internal expanding formula connection structure between unable adjustment base and the bar, need not readjust unable adjustment base's orientation after connecting, the equipment is simpler, and the joint gap between unable adjustment base and the bar is little, connects closely the degree height, and whole firmness is better.
Of course, the above drawings are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so all equivalent changes made in the principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a tubular product internal expanding formula connection structure, includes first tubular product and second tubular product, first tubular product is equipped with the connector, second tubular product is equipped with and supplies connector male slot, a serial communication port, the connector includes the connector body and inserts a section of thick bamboo along the axis direction setting of second tubular product, the periphery wall of inserting a section of thick bamboo offsets with the inner wall of slot, just one side of inserting a section of thick bamboo is equipped with the fixed orifices, and the breach has been seted up to the opposite side, breach department is equipped with the flexure strip, the flexure strip be equipped with stiff end and free end, the stiff end is connected with the connector body, connection structure still includes the push rod, slot and fixed orifices are run through in proper order to the one end of push rod, and will the free end pushes away to the inner wall to the slot.
2. The internal expanding connection structure for pipes as claimed in claim 1, wherein the elastic piece has a thickened portion on one side near the fixing hole, and the thickened portion extends into the insertion tube.
3. The pipe internal expanding type connecting structure according to claim 1, wherein a mounting hole for mounting the push rod is formed in one side, close to the fixing hole, of the insertion groove, the fixing hole and the mounting hole are staggered and overlapped, and the axis of the fixing hole is located on one side, close to the first pipe, of the axis of the mounting hole.
4. The internal expanding type connecting structure for pipes as claimed in claim 3, wherein the opening of the fixing hole near the mounting hole is in a frustum shape with a narrow inside and a wide outside.
5. The internal expanding type connecting structure for pipes as claimed in claim 4, wherein the inserting cylinder is provided with a thickening layer at one side of the inserting cylinder where the fixing hole is provided.
6. The internal expanding type connecting structure for pipes as claimed in claim 1, wherein the push rod is an internal hexagonal headless screw, and the fixing hole is a threaded hole.
7. The internal expanding type connecting structure for pipes according to claim 1, wherein the cross sections of the inserting cylinder and the inserting groove are both of an ellipse-like structure, the ellipse-like structure is defined by two opposite arc sides and two opposite parallel straight sides, the inserting cylinder comprises a first plane section, a curved surface section and a second plane section which are connected in sequence, the first plane section and the second plane section are parallel to each other, and the fixing hole is located on the curved surface section.
8. A handrail comprising the pipe material internal expanding type connecting structure according to any one of claims 1 to 7.
9. The handrail of claim 8, wherein the handrail comprises a handrail rod and fixed bases respectively disposed at two ends of the handrail rod, the first tubular member is the fixed base, and the second tubular member is the handrail rod.
CN202220630664.6U 2022-03-22 2022-03-22 Tubular product internal expanding formula connection structure and handrail Active CN217603089U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220630664.6U CN217603089U (en) 2022-03-22 2022-03-22 Tubular product internal expanding formula connection structure and handrail

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220630664.6U CN217603089U (en) 2022-03-22 2022-03-22 Tubular product internal expanding formula connection structure and handrail

Publications (1)

Publication Number Publication Date
CN217603089U true CN217603089U (en) 2022-10-18

Family

ID=83563490

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220630664.6U Active CN217603089U (en) 2022-03-22 2022-03-22 Tubular product internal expanding formula connection structure and handrail

Country Status (1)

Country Link
CN (1) CN217603089U (en)

Similar Documents

Publication Publication Date Title
US9267624B2 (en) Conduit bracketry, systems and methods
EP2549050B1 (en) Corner key and frame assembly
CN217603089U (en) Tubular product internal expanding formula connection structure and handrail
EP1157447B1 (en) Electrical connector with deformable insert
BRPI0407528B1 (en) adjustable threaded opening end
CN112283214B (en) Concealed expansion connector
WO2017060334A1 (en) Connector
KR102207635B1 (en) Pipe coupling structure
US9926971B2 (en) Omni-directional connection assembly
SE543957C2 (en) Storage system for assembly without tools, comprising a connector element comprising an insert and a dowel extending from the insert into the shelf
CN210890590U (en) Plug with a locking element
CN212717540U (en) Outer straight joint
CN213900285U (en) Conversion connecting pipe fitting for pipeline
KR100542147B1 (en) The flange
CN210510619U (en) Pipe with anti-drop connector
CN201034214Y (en) Pipe fitting shelf
CN114526279B (en) Pipe clamp structure for parallel double-sleeve of bicycle
CN221074891U (en) Connector
CN216952069U (en) Impact-resistant straight-through joint for automobile hose
CN216975480U (en) External holding type inclined connecting device
CN2670652Y (en) Corner connecting structure of sections column
CN205016704U (en) Locking joint head
US20220290782A1 (en) Strut pipe clamp including worm gear for accommodating various pipe sizes
CN216643386U (en) Connecting pipe joint for expansion valve
CN221221875U (en) PE pipe connection pipe fitting

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant