CN111594515A - Two-way connecting piece convenient to install - Google Patents
Two-way connecting piece convenient to install Download PDFInfo
- Publication number
- CN111594515A CN111594515A CN202010558795.3A CN202010558795A CN111594515A CN 111594515 A CN111594515 A CN 111594515A CN 202010558795 A CN202010558795 A CN 202010558795A CN 111594515 A CN111594515 A CN 111594515A
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- China
- Prior art keywords
- connecting piece
- clamping
- clamping groove
- groove
- piece
- 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.)
- Pending
Links
- 210000002105 tongue Anatomy 0.000 claims description 33
- 238000009434 installation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 210000002421 cell wall Anatomy 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/04—Clamping or clipping connections
- F16B7/044—Clamping or clipping connections for rods or tubes being in angled relationship
- F16B7/048—Clamping or clipping connections for rods or tubes being in angled relationship for rods or for tubes without using the innerside thereof
- F16B7/0486—Clamping or clipping connections for rods or tubes being in angled relationship for rods or for tubes without using the innerside thereof forming an abutting connection of at least one tube
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/06—Turnbuckles
Abstract
The invention provides a two-way connecting piece which is convenient to install and good in fixing effect, and comprises a first connecting piece, a second connecting piece and a nut piece, wherein one end of each of the first connecting piece and the second connecting piece is provided with a first clamping groove, the other end of each of the first connecting piece and the second connecting piece is provided with a second clamping groove, and the outer wall of each second clamping groove is provided with a spiral line; after the first connecting piece and the second connecting piece are buckled, the outer wall of the second clamping groove forms an external thread matched with the nut piece; the first connecting piece and the second connecting piece are provided with mutually matched clamping structures at one end of the first clamping groove. When two rod pieces are connected, the two connecting pieces are butted together, the end parts of the two connecting pieces are simply clamped together by using a clamping structure, and the nut piece is screwed on a pipe fitting structure formed by the two second clamping groove positions, so that the two-way connecting piece is assembled; then the rod pieces are respectively inserted into or penetrate through the tubular structures at the two ends, and finally the nut pieces are screwed tightly, so that the two rod pieces can be fixedly connected together.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a connecting piece for connecting rod pieces or pipe fittings.
Background
In multiple occasions such as building planting support, all need be in the same place two member (or pipe fitting) fixed connection, traditional fixed mode utilizes the iron wire with two member windings together, and this kind of fixed mode wastes time and energy, hardly guarantees that the relative angle of two member meets the requirements, and the easy pine takes off, is difficult to satisfy the requirement that the support was built to large-scale plantations etc. in the standardization. At present, screws are arranged on a rod piece in a penetrating mode for fixing, but drilling on the rod piece is difficult, the rod piece can be damaged, and subsequent use of the rod piece is influenced; there are also screw holes and external threads directly formed on the rod members, and the rod members are connected and fixed by means of screw threads, but this method is more difficult to operate and has a very high cost.
The applicant of the scheme provides a patent of a two-way connecting piece in 2019, the two-way connecting piece comprises two connecting pieces which are identical in structure and symmetrically arranged, a first clamping groove is formed in one end of each connecting piece, a second clamping groove is formed in the other end of each connecting piece, and a through hole or a screw hole is formed in the middle of each connecting piece. The above-mentioned connector solves the problem of unstable fixation, but in practical use, it is found that a special screwdriver or the like is required for operation due to the use of the bolt, and the nut is liable to fall off, so that there is still a certain inconvenience.
Disclosure of Invention
The invention aims to provide a two-way connecting piece which is convenient to install and good in fixing effect.
The two-way connecting piece convenient to install comprises a first connecting piece, a second connecting piece and a nut piece, wherein one end of each of the first connecting piece and the second connecting piece is provided with a first clamping groove, the other end of each of the first connecting piece and the second connecting piece is provided with a second clamping groove, and the outer wall of each second clamping groove is provided with a spiral line; after the first connecting piece and the second connecting piece are buckled, the outer wall of the second clamping groove forms an external thread matched with the nut piece; the first connecting piece and the second connecting piece are provided with mutually matched clamping structures at one end of the first clamping groove; the end parts of the first connecting piece and the second connecting piece on one side of the second clamping groove are provided with a plurality of clamping tongues which are arranged at intervals, and the clamping tongues and the nut piece are provided with mutually matched pressing surfaces, so that when the nut piece is screwed inwards, the clamping tongues gradually draw close to the central axis direction of the second clamping groove under the action of the nut piece.
When two rod pieces are connected, firstly, the two connecting pieces are butted together, so that the opening directions of a first clamping groove and a second clamping groove of the two connecting pieces are opposite to form two tubular structures for clamping the rod pieces, then the end parts of the two connecting pieces are simply clamped together by utilizing the clamping structure, and a nut piece is screwed on a pipe fitting structure formed by the positions of the first clamping groove and the second clamping groove of the second connecting piece, so that the two-way connecting piece is assembled; then the rod pieces are respectively inserted into or penetrate through the tubular structures at the two ends, and finally the nut pieces are screwed tightly, so that the two rod pieces can be fixedly connected together. Through the clamping effect of the clamping tongue, the fixing effect of the two-way connecting piece on the rod piece to be connected can be improved, and the inner diameters of the second clamping grooves of the first connecting piece and the second connecting piece can be slightly larger than the outer diameter of the rod piece to be connected, so that the rod piece can be conveniently inserted into the second clamping groove. In the whole assembling process, tools such as bolts and screwdrivers are not needed, and the operation is more convenient.
Specifically, the pressing surface is an inclined surface arranged on the outer side surface of the clamping tongue and/or on the inner wall of the nut piece. When the nut member is screwed inward, a force toward the central axis direction of the second clamping groove is applied to the pressing tongue through the inclined surface, so that the pressing tongue is pressed against the rod member.
Furthermore, the clamping structure consists of a clamping tongue and a clamping buckle; the end part of the first connecting piece is provided with a groove, the clamping tongue is arranged in the groove, and the clamping tongue is perpendicular to the axial direction of the first clamping groove and protrudes in the direction far away from the first clamping groove; the end part of the second connecting piece is provided with a buckle, the two sides of the buckle are abutted against the groove walls on the two sides of the groove, and the end part of the second connecting piece is provided with rotation stopping surfaces matched with the end walls of the groove on the two sides of the buckle. When the first connecting piece and the second connecting piece are connected together, the clamping tongues are matched with the buckles to form an acting force for preventing the first connecting piece and the second connecting piece from being separated along the axial direction perpendicular to the second clamping groove, and after the nut piece is screwed to a pipe fitting structure formed by the positions of the second clamping grooves of the first connecting piece and the second connecting piece, the nut piece can prevent the first connecting piece and the second connecting piece from relatively moving along the axial direction of the second clamping groove, so that the clamping structure can be matched with the nut piece to play a limiting role in all directions, and the first connecting piece and the second connecting piece are reliably and firmly assembled together. In addition, when the nut piece is not screwed, the end part of the second connecting piece is provided with the rotation stopping surfaces matched with the end walls of the grooves on the two sides of the buckle, so that the first connecting piece and the second connecting piece cannot rotate around the clamping tongue and the buckle, the positions of the second clamping grooves of the two connecting pieces are kept close, and the nut piece is convenient to assemble.
Furthermore, the first clamping groove is composed of a major arc-shaped groove close to one end of the clamping structure and an avoiding inclined plane far away from one end of the clamping structure, and the distance between a point on the avoiding inclined plane and the circle center of the major arc-shaped groove is larger than the radius of the major arc-shaped groove. Through setting up the aforesaid and dodging the inclined plane, can make the diameter slightly less than the member or the body of the circular cross section of major arc groove diameter block in first clamp groove to by the cell wall clamp of major arc groove. If the first clamping groove is set to be of a circular tubular structure and the avoidance inclined plane is not set, when the rod or the pipe body with the diameter slightly smaller than that of the arc-shaped groove and the circular cross section is installed, the rod or the pipe body with the diameter slightly smaller than that of the arc-shaped groove interferes with the avoidance inclined plane and cannot be installed in the first clamping groove, so that the first clamping groove can only be used for installing the rod or the pipe body with the diameter far smaller than that of the first clamping groove, but the rod or the pipe body is difficult to clamp by using the groove wall of the first clamping groove, and the using effect is.
Furthermore, the axial direction of the first clamping groove is perpendicular to the axial direction of the second clamping groove, so that the two rod pieces fixedly connected through the connecting piece are perpendicular to each other, and most market requirements can be met. Of course, the included angle of the axial direction of the clamping grooves at the two ends of the connecting piece can be adjusted according to actual needs to meet different requirements.
Furthermore, the inner side wall of the clamping groove is provided with anti-skidding lines so as to improve the friction force between the clamping groove and the rod piece and improve the clamping effect of the clamping groove on the rod piece.
Furthermore, the first clamping groove and/or the second clamping groove are groove bodies with semicircular sections, so that a circular tube structure can be formed when the two corresponding clamping grooves are butted, and the limiting effect on the rod piece with the circular section is best.
The two-way connecting piece is simple in structure and convenient to use, can fixedly connect the two rod pieces according to a preset angle, and is very suitable for building a support and the like.
Drawings
Fig. 1 is a front view of a split structure of a two-way connector of embodiment 1;
FIG. 2 is an overall structural front view of the two-way connector of embodiment 1;
FIG. 3 is a perspective view of a split structure of the two-way connector of embodiment 1;
FIG. 4 is a perspective view of the entire structure of the two-way connector of embodiment 1;
fig. 5 is a schematic structural view of a first clamping groove of embodiment 1.
The figures are numbered: 1. a first connecting member; 2. a second connecting member; 3. a nut member; 4. a first clamping groove; 41. a U-shaped groove; 42. avoiding the inclined plane; 5. a second clamping groove; 6. a spiral; 7. clamping the tongue; 8. a rotation stopping surface; 9. a latch; 10. buckling; 11. and (4) a groove.
Detailed Description
The following describes embodiments of the present invention, such as shapes and structures of respective members, mutual positions and connection relationships between respective portions, and actions and operation principles of the respective portions, in further detail, with reference to the accompanying drawings.
Example 1:
the embodiment provides a two-way connecting piece which is convenient to install and good in fixing effect.
The two-way connecting piece convenient to install comprises a first connecting piece 1, a second connecting piece 2 and a nut piece 3, and in order to reduce cost, the first connecting piece 1, the second connecting piece 2 and the nut piece 3 are all integrally made of plastic pieces. Wherein, the structure of nut spare 3 is similar with traditional nut, for the pipe structure, and inside is equipped with the internal thread, and the outside is equipped with hexagonal surface to centre gripping, rotation. The first connecting piece 1 and the second connecting piece 2 are basically symmetrically arranged, one end of each first clamping groove 4 with a semicircular section is arranged, the other end of each second clamping groove 5 with a semicircular section is arranged, the outer wall of each second clamping groove 5 is provided with a spiral line 6, and the spiral lines 6 on the two connecting pieces are connected, so that after the first connecting piece 1 and the second connecting piece 2 are buckled, the outer wall of each second clamping groove 5 forms an external thread matched with the nut piece 3. The end parts of the first connecting piece 1 and the second connecting piece 2 on one side of the second clamping groove 5 are provided with a plurality of clamping tongues 7 which are arranged at intervals, and the clamping tongues 7 and the nut piece 3 are provided with mutually matched pressing surfaces, so that when the nut piece 3 is screwed inwards, the clamping tongues 7 gradually draw close to the central axis direction of the second clamping groove 5 under the action of the nut piece 3. In the present embodiment, the pressing surface is an inclined surface provided on the outer side surface of the clamping tongue 7 and on the inner wall of the nut member 3.
The first connecting piece 1 and the second connecting piece 2 are provided with mutually matched clamping structures at one end of the first clamping groove 4, and each clamping structure consists of a clamping tongue 9 and a clamping buckle 10; a groove 11 is formed in the end part of the first connecting piece 1, a clamping tongue 9 is arranged in the groove 11, and the clamping tongue 9 is perpendicular to the axial direction of the first clamping groove 4 and protrudes in the direction far away from the first clamping groove 4; the tip of second connecting piece 2 is equipped with buckle 10, the both sides of buckle 10 offset with the cell wall of recess 11 both sides, and the tip of second connecting piece 2 be equipped with in buckle 10 both sides with recess 11 end wall complex compress tightly face 8, with first connecting piece 1, the back together of second connecting piece 2 lock, compress tightly face 8 and recess 11 end wall and offset, form the face contact, can prevent that first connecting piece 1, second connecting piece 2 from rotating about block tongue 9 and buckle 10 relatively.
When the first connecting piece 1 and the second connecting piece 2 are connected together, the clamping tongue 9 is matched with the buckle 10 to form an acting force for preventing the first connecting piece 1 and the second connecting piece 2 from being separated along the direction perpendicular to the axial direction of the second clamping groove 5, and after the nut piece 3 is screwed on a pipe fitting structure formed by the positions of the second clamping grooves 5 of the first connecting piece 1 and the second connecting piece 2, the nut piece 3 can prevent the first connecting piece 1 and the second connecting piece 2 from relatively moving along the axial direction of the second clamping groove 5, so that the clamping structure can be matched with the nut piece 3 to play a limiting role in all directions, and the first connecting piece 1 and the second connecting piece 2 are reliably and firmly assembled together. In addition, when the nut member 3 is not screwed, the end part of the second connecting member 2 is provided with the pressing surfaces 8 matched with the end walls of the grooves 11 at the two sides of the buckle 10, so that the first connecting member 1 and the second connecting member 2 cannot rotate around the positions of the clamping tongues 9 and the buckle 10, the positions of the second clamping grooves 5 of the two connecting members are kept close to each other, and the nut member 3 is convenient to assemble.
As shown in fig. 5, the first clamping groove 4 is composed of a major arc groove 41 close to one end of the clamping structure and an avoiding inclined plane 42 far away from one end of the clamping structure, and the distance from a point on the avoiding inclined plane 42 to the center of the major arc groove 41 is greater than the radius of the major arc groove 41. Through setting up above-mentioned dodging inclined plane 42, can make the diameter slightly less than the rod body or the body of the circular cross section of major arc groove 41 diameter block in first clamp groove to by the cell wall clamp of major arc groove 41 tightly.
When two rod pieces are connected, firstly, the two connecting pieces are butted together, so that the opening directions of a first clamping groove 4 and a second clamping groove 5 of the two connecting pieces are opposite to form two tubular structures for clamping the rod pieces, then the end parts of the two connecting pieces are clamped together by utilizing a clamping structure, and a nut piece 3 is screwed on a pipe fitting structure formed by the positions of the second clamping grooves 5 of the first connecting piece 1 and the second connecting piece 2, so that the two-way connecting piece is assembled; and then the rod pieces are respectively inserted into or penetrate through the tubular structures at the two ends, and finally the nut piece 3 is screwed, at the moment, the nut piece 3 applies acting force towards the central axis direction of the second clamping groove 5 to the pressing tongue through the inclined surface, so that the pressing tongue is pressed on the rod pieces, and finally the two rod pieces are fixedly connected together.
The fixing effect of the two-way connecting piece to the rod piece to be connected can be improved through the clamping effect of the clamping tongue 7, and the inner diameters of the second clamping grooves 5 of the first connecting piece 1 and the second connecting piece 2 can be slightly larger than the outer diameter of the rod piece to be connected, so that the rod piece can be conveniently inserted into the second clamping grooves 5.
In the embodiment, the axial direction of the first clamping groove 4 is perpendicular to the axial direction of the second clamping groove 5, so that two rods fixedly connected by a connecting piece are perpendicular to each other, and most market requirements can be met. The rod piece is a solid round rod, and the section shape of the clamping groove can be changed according to requirements, so that the rod piece or the pipe fitting with different sections can be fixedly connected.
The invention has been described in connection with the accompanying drawings, it is to be understood that the invention is not limited in its application to the details of construction and the arrangement of the components set forth in the following description, as long as the invention is capable of being practiced without modification in any way whatsoever, and is capable of other applications without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A two-way connecting piece convenient to install is characterized by comprising a first connecting piece, a second connecting piece and a nut piece, wherein one end of each of the first connecting piece and the second connecting piece is provided with a first clamping groove, the other end of each of the first connecting piece and the second connecting piece is provided with a second clamping groove, and the outer wall of each second clamping groove is provided with a spiral line; after the first connecting piece and the second connecting piece are buckled, the outer wall of the second clamping groove forms an external thread matched with the nut piece; the first connecting piece and the second connecting piece are provided with mutually matched clamping structures at one end of the first clamping groove; the end parts of the first connecting piece and the second connecting piece on one side of the second clamping groove are provided with a plurality of clamping tongues which are arranged at intervals, and the clamping tongues and the nut piece are provided with mutually matched pressing surfaces, so that when the nut piece is screwed inwards, the clamping tongues gradually draw close to the central axis direction of the second clamping groove under the action of the nut piece.
2. The easy-to-install two-way connector according to claim 1, wherein the pressing surface is an inclined surface provided on an outer side surface of the clamping tongue and/or on an inner wall of the nut member.
3. The two-way connector convenient to mount according to claim 1, wherein the clamping structure consists of a clamping tongue and a clamping buckle; the end part of the first connecting piece is provided with a groove, the clamping tongue is arranged in the groove, and the clamping tongue is perpendicular to the axial direction of the first clamping groove and protrudes in the direction far away from the first clamping groove; the end part of the second connecting piece is provided with a buckle, the two sides of the buckle are abutted against the groove walls on the two sides of the groove, and the end part of the second connecting piece is provided with rotation stopping surfaces matched with the end walls of the groove on the two sides of the buckle.
4. The two-way connecting piece convenient to mount according to claim 3, wherein the first clamping groove is composed of a major arc groove close to one end of the clamping structure and an avoiding inclined surface far away from one end of the clamping structure, and the distance from a point on the avoiding inclined surface to the center of the major arc groove is larger than the radius of the major arc groove.
5. A two-way connection according to claim 1, 2, 3 or 4, wherein the axial direction of the first clamping groove is perpendicular to the axial direction of the second clamping groove.
6. A two-way connection piece for convenient installation according to claim 1, 2, 3 or 4, wherein the inner side wall of the first clamping groove and/or the second clamping groove is provided with anti-slip threads.
7. A two-way connection piece convenient to mount according to claim 1, 2, 3 or 4, wherein the first clamping groove and/or the second clamping groove are groove bodies with semicircular sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010558795.3A CN111594515A (en) | 2020-06-18 | 2020-06-18 | Two-way connecting piece convenient to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010558795.3A CN111594515A (en) | 2020-06-18 | 2020-06-18 | Two-way connecting piece convenient to install |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111594515A true CN111594515A (en) | 2020-08-28 |
Family
ID=72190201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010558795.3A Pending CN111594515A (en) | 2020-06-18 | 2020-06-18 | Two-way connecting piece convenient to install |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111594515A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112569441A (en) * | 2020-11-25 | 2021-03-30 | 无锡圣诺亚科技有限公司 | External video cable and ventilation catheter |
-
2020
- 2020-06-18 CN CN202010558795.3A patent/CN111594515A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112569441A (en) * | 2020-11-25 | 2021-03-30 | 无锡圣诺亚科技有限公司 | External video cable and ventilation catheter |
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