CN213929076U - Two-in-one type screw connecting piece - Google Patents
Two-in-one type screw connecting piece Download PDFInfo
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- CN213929076U CN213929076U CN202021676711.8U CN202021676711U CN213929076U CN 213929076 U CN213929076 U CN 213929076U CN 202021676711 U CN202021676711 U CN 202021676711U CN 213929076 U CN213929076 U CN 213929076U
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Abstract
A two-in-one type screw connector comprises a connecting rod and a rubber plug shell, wherein the connecting rod comprises a screw rod and outer screw teeth, a limiting convex ring is arranged between the screw rod and the outer screw teeth, and the length of the outer screw teeth is equal to that of the rubber plug shell; the rubber plug shell comprises an expanding part and a tightening part, inner threads are respectively arranged in inner cavities of the tightening part and the expanding part, the inner diameter of one end, far away from the tightening part, of the expanding part is smaller than that of the other end, close to the tightening part, of the expanding part, the inner diameter of the expanding part is trapezoidal, threads are arranged on the outer wall of the expanding part, a positioning convex ring is arranged at the end part of each thread, the rubber plug shell comprises two half pipes which are oppositely closed, and the two half pipes are ultrasonically bonded and connected into a whole through a clamping part; the utility model discloses the assembly of being more convenient for, the structure is the production of being more convenient for, low in production cost.
Description
Technical Field
The utility model relates to a hardware industry specifically is a two-in-one formula screw connection spare.
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 beaten into the wood board in a beating mode, so that the furniture wood board is easy to damage; 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 connecting piece is installed, the screw does not have a tightening effect, the connecting piece is easy to slip when the colloidal particles are propped and exploded, and the connecting piece is inconvenient for a user to install; 5. the colloidal particle shape has higher production cost.
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 scheme for overcoming the technical defects, which is a two-in-one screw connector, comprising a connecting rod and a rubber plug shell, wherein the connecting rod comprises a screw rod and outer screw teeth, a limit convex ring is arranged between the screw rod and the outer screw teeth, and the length of the outer screw teeth is equal to that of the rubber plug shell; the plug shell comprises an explosion supporting portion and an explosion tightening portion, inner cavities of the explosion supporting portion and the explosion tightening portion are respectively provided with inner threads, the plug shell comprises two half pipes which are closed to each other, and the two half pipes are connected to each other through a clamping portion to form a whole.
Preferably, the screw head of the explosion supporting part is exploded to adopt two-piece opening, the outer thread of the connecting rod is embedded into the inner thread of the explosion supporting part from the inner thread of the tightening part, the outer wall of the explosion supporting part is provided with threads, the thread position corresponds to the explosion supporting part, and the end part of the threads is provided with a positioning convex ring.
Preferably, the clamping part comprises a clamping strip ultrasonic spigot arranged on a half-pipe section and a corresponding ultrasonic spigot clamping groove arranged on the other half-pipe section, and the clamping strip is clamped into the clamping groove to enable the half-pipe of the rubber plug shell to be integrated.
Preferably, the bursting 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 increase the longitudinal crack, and the bursting part is burst into multiple petals 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, and the weight bearing capacity of the furniture is improved; 3. the limiting convex ring of the connecting rod can visually remind the user of being installed in place, and quality is guaranteed. 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 at the end part are not easy to slip when embedded into the explosion supporting part, the explosion supporting part is fully expanded to tightly press 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; 5. the rubber plug shell is two half pipes, the production process is simpler, and the production cost is reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the overall structure of the connecting rod of the present invention.
Fig. 3 is a schematic structural view of the rubber plug shell of the present invention.
1-connecting rod, 2-rubber plug shell, 3-screw rod, 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, 13-connecting column, 14-connecting block, 15-connecting hole and 16-connecting groove.
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 two unification formula screw connection spare, includes connecting rod 1 and plug shell 2, and connecting rod 1 cross-under is in plug shell 2, and connecting rod 1 includes screw rod 3 and outer screw thread 4, is equipped with spacing bulge loop 5 between screw rod 3 and the outer screw thread 4, and outer screw thread 4 length equals plug shell 2 length, and spacing bulge loop 5 blocks and plays connecting rod 1 for plug shell 2 spacing fixed action of plug shell 2, makes connecting rod 1's outer screw thread 4 can not be outstanding plug shell 2.
The rubber plug shell 2 comprises an expanding part 7 and a tightening part 8, inner threads 6 are respectively arranged in the inner cavities of the tightening part 8 and the expanding part 7, the inner diameter of one end, far away from the tightening part 8, of the expanding part 7 is smaller than that of the end, close to the tightening part 8, of the expanding part 7 and is trapezoidal, a longitudinal crack 11 is formed in the expanding part 7, an outer thread 4 of the connecting rod 1 is embedded into the inner thread 6 of the expanding part 7 to enlarge the longitudinal crack 11, the expanding part 7 is divided into a plurality of petals along the longitudinal crack 11, and when the outer thread 4 is embedded into the expanding part 7, a part, with the narrower diameter, of the expanding part 7 in the trapezoidal shape is stressed and expanded; 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 tightly close to the connecting rod 1, and the outer threads 4 are not slipped when embedded into the explosion 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 3 are embedded into the inner threads 6 of the expanding part 7 from the inner threads 6 of the tightening part 8.
The outer wall of the explosion supporting part 7 is provided with threads 9, the positions of the threads 9 correspond to the positions of the explosion supporting part 7, when the explosion supporting part 7 is supported by the connecting rod 1, the threads 9 extrude the inner wall of a furniture board hole to fix the furniture board hole, the end part of each thread 9 is provided with a positioning convex ring 10, the diameter of each positioning convex ring 10 is larger than that of the rubber plug shell 2, and the positioning convex ring 10 clamps the furniture board to position; the rubber plug shell 2 comprises two half pipes which are closed to each other, the shapes of the two half pipes are the same with the sizes of the two half pipes, the two half pipes are connected and combined into a whole through a clamping part, the clamping part comprises a clamping strip arranged on the section of the half pipe and a clamping groove arranged on the section of the other half pipe, and the clamping strip is clamped into the clamping groove to enable the half pipes of the rubber plug shell 2 to be combined into a whole.
The clamping parts can be connected in a buckling mode, a plurality of connecting columns 13 and connecting blocks 14, connecting holes 15 and connecting grooves 16 matched with the connecting columns 13 and the connecting blocks 14 are arranged on the two side parts of the clamping parts, the connecting columns 13 are clamped into the connecting holes 15, the connecting blocks 14 are clamped into the connecting grooves 16, and half pipes of the rubber plug shell 2 are integrated; the block portion can be connected through ultrasonic fusion mode, and the block portion is equipped with ultrasonic line and supersound groove, and ultrasonic line fuses the half pipe that makes the plug shell 2 in the supersound groove through ultrasonic fusion mode and closes as an organic whole.
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 connected with the inner screw thread 6, and the through hole 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 are 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: clamping the clamping strip into the clamping groove to enable the two half pipes to be integrated into a plastic plug shell 2, installing the expanding part 7 of the plastic plug shell 2 into a corresponding wood plate hole, enabling the expanding part 7 to be completely embedded into the wood plate hole, and enabling the positioning convex ring 10 to act on the wood plate wall to enable the plastic plug shell 2 not to be continuously inserted into the wood plate hole; 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 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 two unification formula screw connection spare, includes connecting rod and stopper shell of gluing, its characterized in that: the connecting rod comprises a screw rod and outer threads, a limiting convex ring is arranged between the screw rod and the outer threads, and the length of the outer threads is equal to that of the rubber plug shell; the rubber plug shell comprises an explosion supporting portion and an explosion tightening portion, inner cavities of the explosion supporting portion and the explosion tightening portion are respectively provided with inner threads, the rubber plug shell comprises two half pipes which are closed, and the two half pipes are connected into a whole through ultrasonic bonding of the clamping portions.
2. A two-in-one screw connection according to claim 1, wherein: the screw head of the support explosion part is exploded to adopt two-petal opening, the outer screw thread of the connecting rod is embedded into the inner screw thread of the support explosion part from the inner screw thread of the tightening part, the outer wall of the support explosion part is provided with screw threads, the screw thread position corresponds to the support explosion part, and the end part of the screw thread is provided with a positioning convex ring.
3. A two-in-one screw connection according to claim 1, wherein: the clamping part comprises a clamping strip ultrasonic spigot arranged on a half-pipe section and a clamping groove arranged on the other half-pipe section, the clamping strip is clamped into the clamping groove to enable the half-pipe of the rubber plug shell to be integrated.
4. A two-in-one screw connection according to claim 1 or 2, wherein: 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 two-in-one screw connection according to claim 1, wherein: 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 two-in-one screw connection according to claim 2, wherein: the diameter of the positioning convex ring is larger than that of the rubber plug shell.
7. A two-in-one screw connection according to claim 1, wherein: 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 two-in-one screw connection according to claim 1, wherein: 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 two-in-one screw connection according to claim 1, wherein: the inner screw threads and the outer screw threads are both coarse threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021676711.8U CN213929076U (en) | 2020-08-12 | 2020-08-12 | Two-in-one type screw connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021676711.8U CN213929076U (en) | 2020-08-12 | 2020-08-12 | Two-in-one type screw connecting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213929076U true CN213929076U (en) | 2021-08-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021676711.8U Active CN213929076U (en) | 2020-08-12 | 2020-08-12 | Two-in-one type screw connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213929076U (en) |
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2020
- 2020-08-12 CN CN202021676711.8U patent/CN213929076U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| 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. |