CN211288356U

CN211288356U - Four-way connecting piece

Info

Publication number: CN211288356U
Application number: CN201922461637.1U
Authority: CN
Inventors: 许伟斌
Original assignee: Maoming Hongfu Baichi Agricultural Technology Development Co ltd
Current assignee: Maoming Hongfu Baichi Agricultural Technology Development Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-18
Anticipated expiration: 2029-12-31

Abstract

The utility model aims at providing a convenient operation, fixed effectual cross connection spare. The four-way connecting piece of the utility model comprises a first connecting block, a second connecting block and a third connecting block, wherein one end of the first connecting block is provided with a first clamping groove, the other end is provided with a second clamping groove, and the middle part is provided with a third clamping groove; the structure of the second connecting block is the same as that of the first connecting block, the first connecting block and the second connecting block are symmetrically arranged, the two second clamping grooves are in butt joint, and the two third clamping grooves are connected; the two ends of the third connecting block are provided with fourth clamping grooves matched with the first clamping grooves, and the middle part of the third connecting block is provided with a fifth clamping groove matched with the third clamping grooves; the first connecting block and the second connecting block are provided with first through holes or first screw holes corresponding to the positions of the first connecting block and the second connecting block, the first connecting block and the third connecting block are provided with second through holes or second screw holes corresponding to the positions of the first connecting block and the third connecting block, and the second connecting block and the third connecting block are provided with third through holes or third screw holes corresponding to the positions of the second connecting block and the third connecting block.

Description

Four-way connecting piece

Technical Field

The utility model belongs to the technical field of machining, concretely relates to a connecting piece for connecting member or pipe fitting.

Background

In multiple occasions such as building planting support, all need be in the same place four 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.

Disclosure of Invention

The utility model aims at providing a convenient operation, fixed effectual cross connection spare.

The four-way connecting piece of the utility model comprises a first connecting block, a second connecting block and a third connecting block, wherein one end of the first connecting block is provided with a first clamping groove, the other end is provided with a second clamping groove, and the middle part is provided with a third clamping groove; the structure of the second connecting block is the same as that of the first connecting block, the first connecting block and the second connecting block are symmetrically arranged, the two second clamping grooves are in butt joint, and the two third clamping grooves are connected; the two ends of the third connecting block are provided with fourth clamping grooves matched with the first clamping grooves, and the middle part of the third connecting block is provided with a fifth clamping groove matched with the third clamping grooves; the first connecting block and the second connecting block are provided with first through holes or first screw holes corresponding to the positions of the first connecting block and the second connecting block, the first connecting block and the third connecting block are provided with second through holes or second screw holes corresponding to the positions of the first connecting block and the third connecting block, and the second connecting block and the third connecting block are provided with third through holes or third screw holes corresponding to the positions of the second connecting block and the third connecting block.

When the four rod pieces are connected, the first connecting block and the second connecting block are butted together to form a combined structure, and the opening directions of the two second clamping grooves are opposite to form a first clamping structure for clamping the rod pieces; then the third connecting block is butted with the combined structure of the first connecting block and the second connecting block, so that the first clamping grooves at the two ends of the combined structure are opposite to the opening directions of the fourth clamping grooves at the two ends of the third connecting block respectively, and a second clamping structure and a third clamping structure for clamping the rod piece are formed; at the moment, the opening directions of the third clamping groove of the first connecting block, the third clamping groove of the second connecting block and the fifth clamping groove of the third connecting block are opposite to each other, so that a fourth clamping structure for clamping the rod piece is formed; then the rod pieces are respectively inserted into or penetrate through the clamping structures, and finally the first connecting block and the second connecting block, the first connecting block and the third connecting block, and the second connecting block and the third connecting block are fixed together by utilizing bolts, so that the four rod pieces can be fixedly connected together. The connecting piece body can be integrally made of metal castings, is convenient to manufacture and high in strength, and can meet the strength requirement of rod piece connection.

Further, the axial direction of the first clamping groove is perpendicular to the axial direction of the second clamping groove, and the axial direction of the third clamping groove is perpendicular to the plane of the first clamping groove and the plane of the second clamping groove; the axial direction of the third clamping groove is the same as that of the fifth clamping groove, and the axial direction of the fourth clamping groove is perpendicular to that of the fifth clamping groove, so that four rod pieces fixedly connected through the four-way connecting piece are perpendicular to each other, and most market demands can be met. Of course, the included angle of the axial direction of each clamping groove can be adjusted according to actual needs to meet different requirements.

Furthermore, the inner side wall of each clamping groove is provided with anti-skidding lines so as to improve the friction force between the clamping grooves and the rod piece and improve the clamping effect of the clamping grooves on the rod piece.

Furthermore, the first clamping groove, the second clamping groove, the fourth clamping groove and the fifth clamping groove are all groove bodies with semicircular sections; the third clamping groove is a groove body with an arc-shaped cross section, so that a circular tube structure can be formed when the corresponding clamping grooves are butted, and the limiting effect on the rod piece with the circular cross section is the best.

The utility model discloses a four-way connection spare simple structure, convenient to use can be very suitable for use such as building the support according to predetermined angle fixed connection with four members.

Drawings

FIG. 1 is a schematic view (sectional view) of a split structure of a four-way joint member according to embodiment 1

Fig. 2 is a schematic view (sectional view) of the overall structure of the four-way connection member of embodiment 1.

Fig. 3 is a schematic view (sectional view) showing a state of use of the four-way connection member of embodiment 1.

Fig. 4 is a schematic view (plan view) of the four-way connection member of embodiment 1 in a use state.

The figures are numbered: 1. a first connection block; 2. a second connecting block; 3. a third connecting block; 4. a first clamping groove; 5. a second clamping groove; 6. a third clamping groove; 7. a fourth clamping groove; 8. a fifth clamping groove; 9. a first through hole; 10. a second through hole; 11. a third through hole; 12. a first clamping structure; 13. a second clamping structure; 14. a third clamping structure; 15. a fourth clamping structure; 16. a rod member; 17. a bolt; 18. and a nut.

Detailed Description

The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings, wherein the embodiments of the present invention are described in detail with reference to the accompanying drawings, for example, the shapes and structures of the respective members, the mutual positions and connection relationships between the respective portions, the functions and operation principles of the respective portions, and the like.

Example 1:

the embodiment provides a four-way connecting piece which is convenient to operate and good in fixing effect.

As shown in fig. 1, the four-way connection member of the present embodiment includes a first connection block 1, a second connection block 2, and a third connection block 3 formed by casting metal, wherein the first connection block 1 has the same structure as the second connection block 2, and the first connection block 1 and the second connection block 2 are symmetrically disposed, and here, the specific structures of the first connection block 1 and the second connection block 2 are described by taking the first connection block 1 as an example: one end of the first connecting block 1 is provided with a first clamping groove 4, the other end is provided with a second clamping groove 5, and the middle part is provided with a third clamping groove 6; the axial direction of the first clamping groove 4 is vertical to the axial direction of the second clamping groove 5, and the axial direction of the third clamping groove 6 is vertical to the plane of the first clamping groove 4 and the second clamping groove 5; the first connecting block 1 is in butt joint with the two second clamping grooves 5 of the second connecting block 2, and the two third clamping grooves 6 are in butt joint; the two ends of the third connecting block 3 are provided with fourth clamping grooves 7 which are used for being matched with the first clamping grooves 4, the middle part of the third connecting block 3 is provided with fifth clamping grooves 8 which are matched with the third clamping grooves 6, the axial direction of the third clamping grooves 6 is the same as that of the fifth clamping grooves 8, and the axial direction of the fourth clamping grooves 7 is vertical to that of the fifth clamping grooves 8; the first connecting block 1 and the second connecting block 2 are provided with first through holes 9 corresponding to the positions, the first connecting block 1 and the third connecting block 3 are provided with second through holes 10 corresponding to the positions, and the second connecting block 2 and the third connecting block 3 are provided with third through holes 11 corresponding to the positions.

In this embodiment, the rod member with a circular cross section is fixed, and in order to increase the contact area between each clamping groove and the rod member, the first clamping groove 4, the second clamping groove 5, the fourth clamping groove 7 and the fifth clamping groove 8 are all groove bodies with semicircular cross sections; the third clamping groove 6 is a groove body with an arc-shaped cross section.

As shown in fig. 2 and 3, when four rod members are connected, the first connecting block 1 and the second connecting block 2 are butted together to form a combined structure, and the opening directions of the two second clamping grooves 5 are opposite to each other to form a first clamping structure 12 for clamping the rod members; then the third connecting block 3 is butted with the combined structure of the first connecting block 1 and the second connecting block 2, so that the first clamping grooves 4 at the two ends of the combined structure are opposite to the opening directions of the fourth clamping grooves 7 at the two ends of the third connecting block 3 respectively, and a second clamping structure 13 and a third clamping structure 14 for clamping the rod piece are formed; at the moment, the opening directions of the third clamping groove 6 of the first connecting block 1, the third clamping groove 6 of the second connecting block 2 and the fifth clamping groove 8 of the third connecting block 3 are opposite to each other, so that a fourth clamping structure 15 for clamping the rod piece is formed; as shown in fig. 4, three rod members 16 are respectively inserted into the corresponding first clamping structure 12, second clamping structure 13, and third clamping structure 14, the fourth rod member 16 passes through the fourth clamping structure 15, and finally, the three bolts 17 pass through the first through hole 9, the second through hole 10, and the third through hole 11, respectively, and the nuts 18 are screwed on the other ends of the bolts 17, so as to respectively fix the first connecting block 1 and the second connecting block 2, the first connecting block 1 and the third connecting block 3, and the second connecting block 2 and the third connecting block 3 together, thereby fixedly connecting the four rod members 16 together.

In this embodiment, the inner side wall of each clamping groove is provided with anti-slip threads to improve the friction between the clamping groove and the rod 16, thereby improving the clamping effect of the clamping groove on the rod 16. The rod 16 is a solid round rod, and of course, the cross-sectional shape of the clamping groove can be changed as required, so as to be used for the fixed connection of rod 16 or pipe fittings with different cross sections.

The present invention has been described in detail with reference to the accompanying drawings, and it is apparent that the present invention is not limited by the above embodiments, and various insubstantial improvements can be made without modification to the present invention.

Claims

1. A four-way connecting piece is characterized by comprising a first connecting block, a second connecting block and a third connecting block, wherein one end of the first connecting block is provided with a first clamping groove, the other end of the first connecting block is provided with a second clamping groove, and the middle part of the first connecting block is provided with a third clamping groove; the structure of the second connecting block is the same as that of the first connecting block, the first connecting block and the second connecting block are symmetrically arranged, the two second clamping grooves are in butt joint, and the two third clamping grooves are connected; the two ends of the third connecting block are provided with fourth clamping grooves matched with the first clamping grooves, and the middle part of the third connecting block is provided with a fifth clamping groove matched with the third clamping grooves; the first connecting block and the second connecting block are provided with first through holes or first screw holes corresponding to the positions of the first connecting block and the second connecting block, the first connecting block and the third connecting block are provided with second through holes or second screw holes corresponding to the positions of the first connecting block and the third connecting block, and the second connecting block and the third connecting block are provided with third through holes or third screw holes corresponding to the positions of the second connecting block and the third connecting block.

2. The four-way connector according to claim 1, wherein the axial direction of the first clamping groove is perpendicular to the axial direction of the second clamping groove, and the axial direction of the third clamping groove is perpendicular to the plane of the first clamping groove and the second clamping groove; the axial direction of the third clamping groove is the same as that of the fifth clamping groove, and the axial direction of the fourth clamping groove is perpendicular to that of the fifth clamping groove.

3. The four-way connector according to claim 1 or 2, wherein the inner side wall of each clamping groove is provided with anti-slip threads.

4. The four-way connecting piece according to claim 1 or 2, wherein the first clamping groove, the second clamping groove, the fourth clamping groove and the fifth clamping groove are all groove bodies with semicircular sections; the third clamping groove is a groove body with an arc-shaped cross section.