CN213929077U - Screw connecting rod - Google Patents
Screw connecting rod Download PDFInfo
- Publication number
- CN213929077U CN213929077U CN202021677874.8U CN202021677874U CN213929077U CN 213929077 U CN213929077 U CN 213929077U CN 202021677874 U CN202021677874 U CN 202021677874U CN 213929077 U CN213929077 U CN 213929077U
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- CN
- China
- Prior art keywords
- screw
- connecting rod
- threads
- plug shell
- rubber plug
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- 238000004880 explosion Methods 0.000 claims description 17
- 239000002023 wood Substances 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 10
- 230000009172 bursting Effects 0.000 description 8
- 239000002245 particle Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005553 drilling Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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- Furniture Connections (AREA)
Abstract
The utility model provides a screw connecting rod, includes connecting rod and plug shell, the connecting rod cross-under is in the plug shell, its characterized in that: the connecting rod includes screw rod and outer screw tooth, the screw rod with be equipped with spacing bulge loop between the outer screw tooth, outer screw tooth length equals plug shell length, the plug shell be equipped with outer screw tooth assorted internal screw tooth, the plug shell is including propping the portion of exploding and tightening up the portion, it is less than and is close to the one end of tightening up to prop the portion of exploding to keep away from tightening up a one end internal diameter, is "trapezoidal", it is equipped with the screw thread to prop the portion of exploding outer wall, the thread end portion is equipped with the location bulge loop, the utility model discloses be convenient for install, difficult skidding.
Description
Technical Field
The utility model relates to a hardware industry specifically is a screw connection pole.
Background
The three-in-one connecting piece is also called a fastener or a combiner, mainly comprises an eccentric wheel, a rod and colloidal particles, and is mainly used for vertical connection between plate-type furniture plates and three-plate interactive connection; the connection mode is that the locking problem between the plates is solved by combining and locking the eccentric wheel, the rod and the colloidal particles, the installation and the disassembly can be carried out for many times, the installation and the disassembly are very convenient, the use of an adhesive is reduced, and the environment-friendly and energy-saving effects are achieved.
The existing three-in-one connecting piece has the following defects: 1. the rubber particles are separated from the rod, and the rubber particles are usually knocked into the wood board in a knocking mode, so that the furniture wood board is easily damaged; 2. the outer wall of the colloidal particle is not provided with a positioning structure, and the problem that the degree of embedding the colloidal particle between each plate and each plate of a piece of furniture into a hole of the furniture plate is different easily occurs because the force of twisting the screw each time is difficult to control and is completely consistent during installation, so that the overall structure of the furniture is not coordinated enough, and even the furniture is inclined and shaken; 3. most of rods of the existing three-in-one connecting piece on the market are M6 type bolts, namely, most of the rods are fine teeth, and the situation of sliding teeth is easy to occur during screwing, so that the requirement on production and processing is high, and the cost of manpower and material resources is increased; 4. when the installation, the screw rod does not have the effect of tightening up, and easy slipping when the micelle props to explode is inconvenient for the user to install this connecting piece.
Thus, there remains a need for further structural optimization of existing triple play connectors.
SUMMERY OF THE UTILITY MODEL
The utility model provides an optimized technical proposal for overcoming the technical defects, a screw connecting rod, which comprises a connecting rod and a rubber plug shell, wherein the rubber plug shell comprises a tightening part and a supporting explosion part; a positioning convex ring is arranged between the tightening part and the explosion part; the tightening part and the explosion part are integrally formed; inner threads are respectively arranged in the inner cavities of the tightening part and the expanding part; the connecting rod comprises a screw and an outer thread; the outer threads are matched with the inner threads; a limiting convex ring is arranged between the screw rod and the outer thread, and the limiting convex ring of the connecting rod is arranged at the top end of the rubber plug shell; the length of the outer thread is equal to that of the rubber plug shell.
Preferably, the screw head of the bursting part is burst by adopting a two-piece opening, and the outer threads of the connecting rod are embedded into the inner threads of the bursting part from the inner threads of the tightening part.
Preferably, the positioning convex ring of the rubber plug shell is used for fixing the positioning of the rubber plug shell inserted into the wood board.
Preferably, the explosion supporting part is provided with a longitudinal crack, the outer threads of the connecting rod are embedded into the inner threads of the mounting part to enlarge the longitudinal crack, and the explosion supporting part is divided into multiple sections along the longitudinal crack.
Preferably, the diameter of the tightening part is the same as that of the outer threads, and the outer threads are inserted into the inner threads of the tightening part to enable the tightening part to abut against the connecting rod.
Preferably, the diameter of the positioning convex ring is larger than that of the rubber plug shell.
Preferably, the screw rod tip is equipped with the screw rod head, screw rod head diameter is greater than the screw rod, the another side that screw rod head connects the screw rod is equipped with the screw hole, the screw hole is cross screw hole or word screw hole.
Preferably, the bottom of the rubber plug shell is provided with a through hole connected with the inner screw thread, and the through hole is used for inserting the outer screw thread into the rubber plug shell.
Preferably, the inner screw thread and the outer screw thread are both coarse threads.
The utility model discloses the beneficial effect who reaches: 1. the tightening part and the expanding part of the rubber plug shell are integrally formed, the rubber plug shell is provided with a positioning convex ring, and the expanding part can be manually placed in a furniture plate hole during installation, so that the link of knocking a rubber plug by an original hammer is reduced, the problem that the depth of the rubber plug shell embedded into the furniture plate hole is difficult to control during installation is solved, the installation efficiency is improved, and the quality of furniture is guaranteed; 2. the connecting rod is designed into an M5 bolt, so that the bearing capacity of the connecting rod is enhanced, more articles can be stacked on the furniture, the weight bearing capacity of the furniture is improved, and the pulling force reaches 90N; 3. the limiting convex ring of the connecting rod can visually remind the user of being installed in place, so that the quality is ensured; 4. the rubber plug shell is provided with internal threads, when the external threads of the connecting rod are embedded into the rubber plug shell, the internal threads of the tightening part have a tightening effect on the external threads, so that the external threads of the end part are not easy to slip when being embedded into the expanding part, the expanding part is fully expanded to tighten the wood plate hole, and the outer diameter of the tail part of the rubber plug is consistent with the aperture of the fixed plate, so that the rubber plug is more stably installed.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the rubber plug shell of the present invention.
Fig. 3 is a structural distribution diagram of the rubber plug shell of the present invention.
Fig. 4 is a schematic structural diagram of the explosion state of the present invention.
1-connecting rod, 2-rubber plug shell, 3-screw, 4-external screw thread, 5-limiting convex ring, 6-internal screw thread, 7-expanding part, 8-tightening part, 9-screw thread, 10-positioning convex ring, 11-longitudinal crack, 12-screw head and 13-through hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example one
The utility model provides a screw connection pole, includes connecting rod 1 and gluey stopper shell 2, connecting rod 1 cross-under is in gluey stopper shell 2, and connecting rod 1 includes screw rod 3 and outer screw thread 4, screw rod 3 with be equipped with spacing bulge loop 5 between the outer screw thread 4, outer screw thread 4 length equals to gluey stopper shell 2 length, and spacing bulge loop 5 blocks gluey stopper shell 2 bottom and plays connecting rod 1 for gluey stopper shell 2 spacing fixed action, makes connecting rod 1 outer screw thread 4 can not the outstanding gluey stopper shell 2.
The rubber plug shell 2 comprises an expanding part 7 and a tightening part 8, and the tightening part 8 and the expanding part 7 are integrally formed; the diameter of one end, far away from the tightening part 8, of the bursting part 7 is smaller than that of one end, close to the tightening part 8, of the bursting part 7, the bursting part is trapezoidal, when the outer threads 4 are embedded into the bursting part 7, the part, with the narrower diameter, of the bursting part 7, which is trapezoidal, is stressed to be spread, the diameter of the tightening part 8 is the same as that of the outer threads 4, the outer threads 4 are embedded into the inner threads 6 of the tightening part 8, so that the tightening part 8 is abutted against the connecting rod 1, and the outer threads 4 cannot slip when being embedded into the bursting part 7; the screw head of the expanding part 7 is expanded by adopting two-petal opening, and the outer threads 4 of the connecting rod 1 are embedded into the inner threads 6 of the expanding part 7 from the inner threads 6 of the tightening part 8.
The end part of the screw rod 3 is provided with a screw rod head 12, the diameter of the screw rod head 12 is larger than that of the screw rod 3, the other side of the screw rod head 12 connected with the screw rod 3 is provided with a screw hole, and the screw hole is a cross screw hole or a straight screw hole; the bottom of the rubber plug shell 2 is provided with a through hole 13 connected with the inner screw thread 6, the through hole 13 is used for inserting the outer screw thread 4 into the rubber plug shell 2, the inner screw thread 6 and the outer screw thread 4 are both coarse threads, preferably M5 standard coarse threads, and the rubber plug shell is strong and not easy to slip.
Example two
Installation the utility model discloses a step: 1. punching: drilling a hole with the aperture size matched with the outer diameter of the inserted supporting explosion part 7 at a proper position of one wood board, drilling a hole with the aperture size matched with the outer diameter of the eccentric wheel at the other wood board, and drilling a hole which enables the screw rod 3 to be installed in the wood board and connected with the installed eccentric wheel at a proper position; 2. installing a rubber plug shell 2: installing the expanding part 7 of the rubber plug shell 2 into a corresponding wood board hole, completely embedding the expanding part 7 into the wood board hole, and enabling the rubber plug shell 2 not to be continuously inserted into the wood board hole by the positioning convex ring 10 acting on the wood board wall; 3. installing an eccentric wheel: the eccentric wheel is arranged in another matched wood plate hole, and the installation mark on the eccentric wheel is inserted into the screw hole; 4. installing a connecting rod 1: the external thread 4 of the connecting rod 1 is embedded into the rubber plug shell 2 through the through hole 13 by adopting a screwdriver screwing eccentric wheel, the connecting rod 1 moves in the rubber plug shell 2, the rubber plug shell 2 is tightened relative to the connecting rod 1 when the external thread 4 is embedded with the internal thread 6 of the tightening part 8, and when the external thread 4 is embedded with the explosion part 7, the external thread 4 has a propping effect on the explosion part 7 because the internal diameter of the explosion part 7 is in a trapezoid shape, the longitudinal crack 11 of the explosion part 7 is enlarged, and the explosion part 7 is propped to act on a wood block hole to play a fastening effect; the expanding part 7 expands outwards through the longitudinal crack 11 to burst a plurality of pieces, and at the moment, the rubber plug shell 2 expands tightly to connect two wood boards in a locking way.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Claims (9)
1. The utility model provides a screw connecting rod, includes connecting rod and stopper shell, its characterized in that: the rubber plug shell comprises a tightening part and a support explosion part; a positioning convex ring is arranged between the tightening part and the explosion part; the tightening part and the explosion part are integrally formed; inner threads are respectively arranged in the inner cavities of the tightening part and the expanding part; the connecting rod comprises a screw and an outer thread; the outer threads are matched with the inner threads; a limiting convex ring is arranged between the screw rod and the outer thread, and the limiting convex ring of the connecting rod is arranged at the top end of the rubber plug shell; the length of the outer thread is equal to that of the rubber plug shell.
2. A screw-connecting rod according to claim 1, characterised in that: the screw head of the expanding portion is expanded to adopt two-petal opening, and the outer threads of the connecting rod are embedded into the inner threads of the expanding portion from the inner threads of the tightening portion.
3. A screw-connecting rod according to claim 1, characterised in that: the positioning convex ring of the rubber plug shell is used for fixing the positioning of the rubber plug shell inserted into the wood board.
4. A screw-threaded rod according to claim 1 or 2, characterized in that: the explosion supporting part is provided with a longitudinal crack, the outer threads of the connecting rod are embedded into the inner threads of the installation part to increase the longitudinal crack, and the explosion supporting part is divided into multiple sections along the longitudinal crack.
5. A screw-connecting rod according to claim 1, characterised in that: the diameter of the tightening part is the same as that of the outer threads, and the outer threads are embedded into the inner threads of the tightening part to enable the tightening part to abut against the connecting rod.
6. A screw-connecting rod according to claim 1, characterised in that: the diameter of the positioning convex ring is larger than that of the rubber plug shell.
7. A screw-connecting rod according to claim 1, characterised in that: the screw tip is equipped with the screw head, screw head diameter is greater than the screw rod, the another side that screw head connects the screw rod is equipped with the screw hole, the screw hole is cross screw hole or a word screw hole.
8. A screw-connecting rod according to claim 1, characterised in that: the bottom of the rubber plug shell is provided with a through hole connected with the inner screw thread, and the through hole is used for inserting the outer screw thread into the rubber plug shell.
9. A screw-connecting rod according to claim 1, characterised in that: the inner screw threads and the outer screw threads are both coarse threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021677874.8U CN213929077U (en) | 2020-08-12 | 2020-08-12 | Screw connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021677874.8U CN213929077U (en) | 2020-08-12 | 2020-08-12 | Screw connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213929077U true CN213929077U (en) | 2021-08-10 |
Family
ID=77142686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021677874.8U Active CN213929077U (en) | 2020-08-12 | 2020-08-12 | Screw connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213929077U (en) |
-
2020
- 2020-08-12 CN CN202021677874.8U patent/CN213929077U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 101 and 102, building a, No. 16, Xiashan Industrial Park, Yuantan Town, Qingcheng District, Qingyuan City, Guangdong Province Patentee after: Guangdong Kanoya home furnishing Co.,Ltd. Address before: Room 101 and 102, building a, No. 16, Xiashan Industrial Park, Yuantan Town, Qingcheng District, Qingyuan City, Guangdong Province Patentee before: GUANGDONG KNOYA HOME FURNISHING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |