CN210344022U - Locking connection structure - Google Patents
Locking connection structure Download PDFInfo
- Publication number
- CN210344022U CN210344022U CN201921365189.9U CN201921365189U CN210344022U CN 210344022 U CN210344022 U CN 210344022U CN 201921365189 U CN201921365189 U CN 201921365189U CN 210344022 U CN210344022 U CN 210344022U
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- CN
- China
- Prior art keywords
- connecting rod
- groove
- stopping
- rod
- block
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a locking connection structure, including head rod, second connecting rod, coupling assembling and a plurality of bolt, nut, the head rod is cylindrically with the second connecting rod, coupling assembling includes connecting block, connecting seat and locking disc, the connecting block includes the first connecting portion that links to each other with the head rod and establishes the first locking portion on first connecting portion, the connecting seat includes the second connecting portion that links to each other with the second connecting rod and establishes the second locking portion that just sets up relatively with first locking portion on the second connecting portion, the locking disc is located between first locking portion and the second locking portion, and all is equipped with the meshing tooth on the face of both ends, all be equipped with the block tooth with meshing tooth looks adaptation on first locking portion and the two relative terminal surfaces of second locking portion. The utility model discloses joint strength is high, the atress intensity is high, can not rotate relatively between two connecting pieces and the security is high.
Description
Technical Field
The utility model particularly relates to a locking connection structure.
Background
Current large-scale concatenation toy includes a plurality of connecting rod, the connecting piece, the bolt, the nut, when need be the slope through two connecting pieces between two connecting rods and connect, when the user played, the connecting rod received the effect of power, one of them connecting piece rotates another connecting piece easily relatively, thereby it rotates together to drive the connecting rod rather than the connecting piece that links to each other, it is low to lead to the toy to accept intensity, fragile, and when the user supported on the toy, lead to the user to fall down easily, thereby potential safety hazard has.
SUMMERY OF THE UTILITY MODEL
Based on the problem, the utility model aims to provide a locking connection structure that can not rotate relatively and the security is high between joint strength height, atress intensity height, two connecting pieces.
Aiming at the problems, the following technical scheme is provided: a locking connection structure comprises a first connecting rod, a second connecting rod, a connection assembly, a plurality of bolts and nuts, wherein the first connecting rod and the second connecting rod are cylindrical, the connection assembly comprises a connecting block, a connecting seat and a locking disc, the connecting block comprises a first connecting part connected with the first connecting rod and a first locking part arranged on the first connecting part, the connecting seat comprises a second connecting part connected with the second connecting rod and a second locking part arranged on the second connecting part and opposite to the first locking part, the locking disc is positioned between the first locking part and the second locking part, meshing teeth are arranged on two end faces, clamping teeth matched with the meshing teeth are arranged on two opposite end faces of the first locking part and the second locking part, and fixing holes are formed in the first locking part, the locking disc and the second locking part along the axial direction of the first locking part, the first stopping part, the stopping disc and the second stopping part are fixed by the bolts penetrating through the fixing holes and being matched with the nuts.
In the structure, the connecting block is connected with the first connecting rod, the connecting seat is connected with the second connecting rod, and then the stop disk is clamped through the first stop part and the second stop part, so that the meshing teeth and the clamping teeth are matched and clamped, and the bolt passes through the first stop part, the stop disk and the second stop part in sequence through the fixing hole and then is locked and fixed with the stop disk through the nut. Can prevent through setting up the locking disc that the connecting block phase connection seat from rotating, improve the joint strength between head rod and the second connecting rod, thereby improved the utility model discloses a atress intensity, stability and security. Set to the setting that cylindrical can reduce the edges and corners through with head rod and second connecting rod, press against the hand when having avoided the user to grip head rod or second connecting rod, improved the utility model discloses a security.
The utility model discloses further set up to, be equipped with the bulge loop that the cover located the head rod tip on the first connecting portion, the screw has been seted up along its central axis's direction on the head rod, be equipped with the connecting hole with the corresponding position department of screw on the first connecting portion, the connecting block passes the connecting hole through the bolt and is fixed with the screw spiro union.
In the structure, locate the tip of head rod through the bulge loop with the connecting block cover, it is fixed that the rethread bolt passes the screw spiro union on connecting hole and the head rod, thereby has improved the utility model discloses a convenience and fastness. Can improve the joint strength between connecting block and the head rod through setting up the bulge loop, thereby improve the utility model discloses a stress intensity.
The utility model discloses further set up to, be equipped with on the outer periphery wall of second connecting rod and link up and the top is the open-ended spout along its axial direction, the spout is equipped with four at least, and circumference sets up on the second connecting rod respectively, set up the draw-in groove that link up along its axial direction in the spout, the width of seting up of draw-in groove is greater than the width of seting up of spout, and draw-in groove and two relative lateral wall looks adaptations of nut, the bottom of second connecting portion is equipped with the block groove with second connecting rod looks adaptation, be equipped with the mounting hole corresponding with the spout on the second connecting portion, the connecting seat is fixed with nut cooperation locking in passing mounting hole to draw-in groove through the bolt.
In the structure, the bolt penetrates through the mounting hole in the connecting seat, the nut is screwed at the bottom end of the bolt, the nut is aligned with the clamping groove in the second connecting rod, the second connecting rod is matched with the clamping groove, the two opposite side walls of the nut are matched with the clamping groove in a sliding mode, the connecting seat drives the bolt to slide relative to the sliding groove, the connecting seat is moved to the position required by a user, the bolt is rotated by using a wrench, and the nut is limited by the clamping groove to rotate, so that the connecting seat and the second connecting rod can be locked and fixed by the rotating bolt. The sliding chute is arranged, so that the connecting seat can conveniently slide relative to the connecting seat to adjust the position of the connecting seat, different requirements of users are met, and different structural shapes are constructed; and can prevent that the relative connecting seat of second connecting rod from rotating, stability and the atress intensity when having improved other connecting pieces and second connecting rod and being connected have thereby improved the utility model discloses a reliability and security. Can be convenient for the connecting seat to link to each other with the second connecting rod through setting up the draw-in groove, and put into the nut and can improve joint strength between them and prevent that other people from loosening the nut in the draw-in groove, improved the utility model discloses a reliability. The width of seting up of draw-in groove is greater than the width of seting up of spout, can be so that one section of centre gripping second connecting rod between nut and the block inslot wall, and the width size of centre gripping is the width difference between draw-in groove and the spout to can improve the joint strength between connecting seat and the second connecting rod, improved the utility model discloses a reliability.
The utility model discloses further set up as, be provided with the fixture block towards second connecting rod the central axis on the inner wall in block groove, two relative spout looks adaptations on fixture block and the second connecting rod.
In the structure, the connecting seat can be prevented from rotating on the second connecting rod by arranging the clamping block, so that the connecting stability of the connecting seat and the second connecting rod is improved.
The utility model discloses further set up to, it is equipped with the quad slit that the radial direction of orientation second connecting rod was seted up to lie in the fixture block top on the lateral wall of second connecting portion.
In the structure, can improve the elastic force when fixture block and second connecting rod are connected on the block groove through setting up the quad slit to make the fixture block be convenient for with second connecting rod looks block, improved the utility model discloses a convenience and maneuverability. Make the second connecting piece can link to each other with other spare parts through setting up the quad slit, thereby improved the utility model discloses a reliability.
The utility model discloses further set up to, the top in block groove is equipped with the lug with spout interference fit.
In the structure, can further improve the compactness of structure between connecting seat and the second connecting rod through setting up the lug, improve joint strength, thereby improved the utility model discloses a atress intensity and reliability.
The utility model discloses further set up as, be equipped with the recess with bolt tip looks adaptation on the lateral wall that second locking portion is relative with the block tooth.
In the structure, can improve the joint strength between connecting seat and the bolt through setting up the recess, thereby improved the utility model discloses a reliability.
The utility model has the advantages that: compare current locking connection structure, the utility model discloses joint strength is high, atress intensity is high, can not rotate relatively between two connecting pieces and the security is high. Can prevent through setting up the locking disc that the connecting block phase connection seat from rotating, improve the joint strength between head rod and the second connecting rod, thereby improved the utility model discloses a atress intensity, stability and security. Set to the setting that cylindrical can reduce the edges and corners through with head rod and second connecting rod, press against the hand when having avoided the user to grip head rod or second connecting rod, improved the utility model discloses a security.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the split structure of the present invention.
Fig. 3 is a schematic structural diagram of the middle connection block of the present invention.
Fig. 4 is a schematic structural view of the middle connection seat of the present invention.
The reference numbers in the figures mean: 1-a first connecting rod; 2-a second connecting rod; 3-connecting the components; 4-a bolt; 5-a nut; 31-connecting blocks; 32-a connecting seat; 33-a stopper disk; 311-a first connection; 312 — a first stop; 321-a second connecting portion; 322-a second stop; 331-meshing teeth; 313-a snap tooth; 332-fixing holes; 314-a convex ring; 11-screw holes; 315-connecting hole; 21-a chute; 22-a card slot; 323-mounting holes; 324-a snap groove; 6-clamping blocks; 61-square hole; 7-a bump; 325-groove.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, the locking connection structure includes a first connection rod 1, a second connection rod 2, a connection assembly 3, a plurality of bolts 4 and nuts 5, the first connection rod 1 and the second connection rod 2 are cylindrical, the connection assembly 3 includes a connection block 31, a connection seat 32 and a locking disk 33, the connection block 31 includes a first connection portion 311 connected to the first connection rod 1 and a first locking portion 312 disposed on the first connection portion 311, the connection seat 32 includes a second connection portion 321 connected to the second connection rod 2 and a second locking portion 322 disposed on the second connection portion 321 and opposite to the first locking portion 312, the locking disk 33 is located between the first locking portion 312 and the second locking portion 322, and engaging teeth 331 are disposed on both end surfaces, engaging teeth 313 adapted to the engaging teeth 331 are disposed on both opposite end surfaces of the first locking portion 312 and the second locking portion 322, the first stopper 312, the stopper disk 33 and the second stopper 322 are provided with a fixing hole 332 along the axial direction thereof, and the first stopper 312, the stopper disk 33 and the second stopper 322 are fixed by the bolt 4 passing through the fixing hole 332 and the nut 5.
In the above structure, after the connecting block 31 is connected to the first connecting rod 1 and the connecting seat 32 is connected to the second connecting rod 2, the first stopping portion 312 and the second stopping portion 322 clamp the stopping disk 33, so that the engaging teeth 331 and the engaging teeth 313 are engaged with each other in a matching manner, and the bolt 4 passes through the first stopping portion 312, the stopping disk 33 and the second stopping portion 322 in sequence through the fixing hole 332 and is then screwed, locked and fixed with the first stopping portion 312, the stopping disk 33 and the second stopping portion 322 through the nut 5. Can prevent connecting block 31 relative connecting seat 32 through setting up locking disc 33 and rotate, improved the joint strength between head rod 1 and the second connecting rod 2, thereby improved the utility model discloses a stress intensity, stability and security. Set to the setting that cylindrical can reduce the edges and corners through with head rod 1 and second connecting rod 2, press against the hand when having avoided the user to grip head rod 1 or second connecting rod 2, improved the utility model discloses a security.
In this embodiment, the first connection portion 311 is provided with a convex ring 314 sleeved on an end portion of the first connection rod 1, the first connection rod 1 is provided with a screw hole 11 along a direction of a central axis thereof, a connection hole 315 is provided at a position corresponding to the screw hole 11 on the first connection portion 311, and the connection block 31 passes through the connection hole 315 through a bolt 4 and is fixed to the screw hole 11 in a threaded manner.
In the structure, locate the tip of head rod 1 with connecting block 31 cover through bulge loop 314, rethread bolt 4 passes connecting hole 315 and the screw 11 spiro union on the head rod 1 fixed, thereby has improved the utility model discloses a convenience and fastness. Can improve the joint strength between connecting block 31 and the head rod 1 through setting up bulge loop 314, thereby improve the utility model discloses a stress intensity.
In this embodiment, the outer circumferential wall of the second connecting rod 2 is provided with at least four sliding grooves 21 which are through along the axial direction and have an open top, the sliding grooves 21 are circumferentially arranged on the second connecting rod 2, the sliding grooves 21 are internally provided with clamping grooves 22 which are through along the axial direction, the opening width of the clamping grooves 22 is greater than that of the sliding grooves 21, the clamping grooves 22 are matched with two opposite side walls of the nut 5, the bottom of the second connecting portion 321 is provided with clamping grooves 324 matched with the second connecting rod 2, the second connecting portion 321 is provided with mounting holes 323 corresponding to the sliding grooves 21, and the connecting seat 32 and the second connecting rod 2 are matched and locked with the nut 5 and fixed in the clamping grooves 22 through bolts 4 penetrating through the mounting holes 323.
In the structure, pass mounting hole 323 on the connecting seat 32 with bolt 4, and revolve nut 5 in bolt 4 bottom, behind nut 5 alignment draw-in groove 22 on the second connecting rod 2, second connecting rod 2 and block groove 324 looks adaptation, two relative lateral walls of nut 5 slide with draw-in groove 22 looks adaptation, connecting seat 32 drives the relative spout 21 of bolt 4 and slides, when removing connecting seat 32 to the position that the user needs, use the spanner to rotate bolt 4, because draw-in groove 22 has restricted nut 5 and has rotated, consequently, it can be fixed with connecting seat 32 and the locking of second connecting rod 2 to rotate bolt 4. The sliding chute 21 is arranged to facilitate the sliding of the connecting seat 32 relative to the connecting seat to adjust the position, so as to meet different requirements of users and construct different structural shapes; and can prevent that second connecting rod 2 relative connecting seat 32 from rotating, stability and the atress intensity when having improved other connecting pieces and being connected with second connecting rod 2 have thereby improved the utility model discloses a reliability and security. Can be convenient for connecting seat 32 to link to each other with second connecting rod 2 through setting up draw-in groove 22, and put into draw-in groove 22 with nut 5 and can improve joint strength between them and prevent that other people from loosening nut 5, improved the utility model discloses a reliability. The width of seting up of draw-in groove 22 is greater than the width of seting up of spout 21, can be so that one section of second connecting rod 2 is being centre gripping between nut 5 and the block groove 324 inner wall, and the width size of centre gripping is the width difference between draw-in groove 22 and the spout 21 to can improve the joint strength between connecting seat 32 and the second connecting rod 2, improved the utility model discloses a reliability.
In this embodiment, a fixture block 6 is disposed on the inner wall of the fastening groove 324 toward the central axis of the second connecting rod 2, and the fixture block 6 is matched with the two opposite sliding grooves 21 on the second connecting rod 2.
In the above structure, the connection seat 32 can be prevented from rotating on the second connecting rod 2 by the arrangement of the fixture block 6, so that the connection stability of the connection seat 32 and the second connecting rod 2 is improved.
In this embodiment, a square hole 61 opened toward the radial direction of the second connecting rod 2 is disposed above the fixture block 6 on the sidewall of the second connecting portion 321.
In the structure, through setting up quad slit 61 can improve the elastic force when fixture block 6 is connected with second connecting rod 2 on the block groove 324 to make fixture block 6 be convenient for with second connecting rod 2 looks block, improved the utility model discloses a convenience and maneuverability. Make the second connecting piece can link to each other with other spare parts through setting up quad slit 61, thereby improved the utility model discloses a reliability.
In this embodiment, the top of the engaging groove 324 is provided with a protrusion 7 which is in interference fit with the sliding groove 21.
In the structure, can further improve the compactedness of structure between connecting seat 32 and the second connecting rod 2 through setting up lug 7, improve joint strength, thereby improved the utility model discloses a atress intensity and reliability.
In this embodiment, a groove 325 adapted to the end of the bolt 4 is disposed on a side wall of the second stopper 322 opposite to the engaging tooth 313.
In the above-mentioned structure, can improve the joint strength between connecting seat 32 and the bolt 4 through setting up recess 325, thereby improved the utility model discloses a reliability.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations of the above assumption should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a locking connection structure, includes head rod, second connecting rod, coupling assembling and a plurality of bolt, nut, its characterized in that: the first connecting rod and the second connecting rod are cylindrical, the connecting assembly comprises a connecting block, a connecting seat and a stop disc, the connecting block comprises a first connecting part connected with the first connecting rod and a first stopping part arranged on the first connecting part, the connecting seat comprises a second connecting part connected with the second connecting rod and a second stopping part arranged on the second connecting part and opposite to the first stopping part, the stopping disc is positioned between the first stopping part and the second stopping part, and the two end faces are respectively provided with a meshing tooth, the two opposite end faces of the first stopping part and the second stopping part are respectively provided with a clamping tooth matched with the meshing tooth, the first stopping part, the stopping disc and the second stopping part are provided with fixing holes along the axial direction, the first stopping part, the stopping disc and the second stopping part are fixed by the bolts penetrating through the fixing holes and being matched with the nuts.
2. A stop connection according to claim 1, wherein: the connecting structure is characterized in that a convex ring sleeved at the end part of the first connecting part is arranged on the first connecting part, a screw hole is formed in the first connecting part along the direction of the central axis of the first connecting part, a connecting hole is formed in the position, corresponding to the screw hole, of the first connecting part, and the connecting block penetrates through the connecting hole through a bolt and is fixed with the screw hole in a threaded manner.
3. A stop connection according to claim 1, wherein: be equipped with on the outer periphery wall of second connecting rod and link up and the top is open-ended spout along its axial direction, the spout is equipped with four at least, and circumference sets up on the second connecting rod respectively, set up the draw-in groove that link up along its axial direction in the spout, the width of seting up of draw-in groove is greater than the width of seting up of spout, and draw-in groove and two relative lateral wall looks adaptations of nut, be equipped with the mounting hole corresponding with the spout on the second connecting portion, the connecting seat passes mounting hole to draw-in groove through the bolt and cooperates the locking with the nut to fix with the nut in.
4. A stop connection according to claim 3, wherein: the bottom of the second connecting portion is provided with a clamping groove matched with the second connecting rod, a clamping block is arranged on the inner wall of the clamping groove and faces towards the central axis of the second connecting rod, and the clamping block is matched with the two opposite sliding grooves in the second connecting rod.
5. A stop connection according to claim 4, wherein: and a square hole which is arranged towards the radial direction of the second connecting rod is arranged above the clamping block on the side wall of the second connecting part.
6. A stop connection according to claim 4, wherein: and a convex block in interference fit with the sliding groove is arranged at the top of the clamping groove.
7. A stop connection according to claim 1, wherein: and a groove matched with the end part of the bolt is arranged on the side wall of the second stopping part opposite to the clamping tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921365189.9U CN210344022U (en) | 2019-08-21 | 2019-08-21 | Locking connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921365189.9U CN210344022U (en) | 2019-08-21 | 2019-08-21 | Locking connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210344022U true CN210344022U (en) | 2020-04-17 |
Family
ID=70175798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921365189.9U Expired - Fee Related CN210344022U (en) | 2019-08-21 | 2019-08-21 | Locking connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210344022U (en) |
-
2019
- 2019-08-21 CN CN201921365189.9U patent/CN210344022U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200417 Termination date: 20210821 |