Three-way connecting piece

Abstract

The utility model relates to a three-way connecting piece which is used for being matched with a connecting rod in a clamping mode, an elastic clamping piece is arranged on the connecting rod, the three-way connecting piece comprises a body, the body is provided with three connecting pipes, and at least one connecting pipe is provided with a clamping portion. The clamping part comprises a clamping opening formed in the connecting pipe in the circumferential direction, and the elastic clamping piece can slide in the clamping opening in the circumferential direction of the connecting pipe. The three-way connecting piece is provided with the clamping opening formed in the circumferential direction, so that the elastic clamping piece can slide in the clamping opening in the circumferential direction of the connecting pipe, when the three-way connecting piece is installed, if the elastic clamping piece of the connecting rod connected with the two three-way connecting pieces in an inserted mode has circumferential angle deviation, the connecting rod can be rotated, and the elastic clamping piece can slide in the clamping opening in the circumferential direction. And the elastic clamping pieces slide in the corresponding bayonets, so that the two elastic clamping pieces can be respectively clamped with the corresponding bayonets of the three-way connecting pieces at the two ends, and the three-way connecting pieces and the connecting rod are assembled.

Description

Technical Field

[0001] The utility model relates to the technical field of mosquito net accessories, in particular to a three-way connector. Background Art

[0002] The mounting rods of the bed-type mosquito net usually need to be assembled through a three-way connector. The existing mosquito net bracket is connected to the three-way, and usually adopts a direct plug-in or nut locking method. The direct plug-in connection is not reliable and is easy to loosen and damage. The nut locking mechanism has a complex structure, a high damage rate, and must be locked with a large tightening force. The reliability is still limited, and the operation is also cumbersome.

[0003] In order to solve the above problems, many solutions have appeared in the market, but so far, the problem of unreliable connection has not been effectively solved. In fact, the traditional V-shaped spring clip and marble connection are low-cost and have the best effect. However, the clamping holes set on the existing three-way connectors that support the clamping marble connection are round holes. Since most of the mosquito net support rods in the market are spliced ​​by three-section rods, in order to ensure reliable connection, each section is connected by threads. If the traditional V-shaped spring clip and marble connection are used, due to production process and installation errors, when the rods are tightened by threads, it is easy to cause the marbles at both ends to be not on the same axis, so that it is impossible to ensure that the marbles at both ends are clamped and matched with the circular clamping holes on the two three-way connectors at the same time, so it cannot be promoted and applied. Summary of the invention

[0004] In view of the defects in the prior art, the technical problem to be solved by the utility model is to provide a three-way connector to facilitate the rapid installation of a connecting rod.

[0005] In order to solve the above technical problems, the utility model provides a three-way connector for engaging with a connecting rod, on which an elastic clamping piece is provided, comprising a main body, the main body having three connecting tubes, at least one of which is provided with a clamping portion; the clamping portion comprises a bayonet opening circumferentially opened on the connecting tube, and the elastic clamping piece can slide in the bayonet opening along the circumference of the connecting tube.

[0006] Preferably, the clamping portion includes two clamping ports, and projections of the two clamping ports on the cross section of the connecting pipe are arranged circumferentially at intervals.

[0007] Preferably, the two bayonet holes are symmetrically arranged relative to the axial cross section of the connecting pipe.

[0008] Preferably, the ends of the two bayonet ports that are close to each other form a proximal end, and the ends of the two bayonet ports that are away from each other form a distal end. When the elastic clamping piece abuts against the proximal end of the bayonet, the center of the elastic clamping piece coincides with the proximal clamping point of the bayonet, and when the elastic clamping piece abuts against the distal end of the bayonet, the center of the elastic clamping piece coincides with the distal clamping point of the bayonet; the distal clamping point, the proximal clamping point and the axis of the connecting pipe are projected onto the cross section of the connecting pipe to form a first projection point, a second projection point and a third projection point, respectively, and the line connecting the second projection point and the third projection point forms a connecting line; the two first projection points and the third projection points are collinear, and the angle between the two connecting lines is less than or equal to 60°.

[0009] Preferably, the elastic clamping member is a marble, a spring sheet fixedly connected to the marble is arranged inside the connecting rod, and a mounting hole for the marble to radially extend or retract is arranged on the side of the connecting rod.

[0010] Preferably, the width of the bayonet is 1.2-1.8 times the diameter of the elastic clamping piece.

[0011] Preferably, a reinforcing rib is provided on the connecting pipe along its axial direction, and the reinforcing rib is located between the two bayonet sockets.

[0012] Preferably, the body is made of plastic material, and the connecting rod is made of metal material.

[0013] Preferably, both ends of the bayonet in the length direction are arc-shaped.

[0014] The utility model has the following beneficial effects: the three-way connector of the utility model has a bayonet opening opened in the circumferential direction, so that the elastic clamping piece can slide in the bayonet opening along the circumference of the connecting pipe. When installing, if the elastic clamping piece of the connecting rod plugged with the two three-way connectors has a circumferential angle deviation, the connecting rod can be rotated to make the elastic clamping piece slide in the corresponding bayonet opening, so that the two elastic clamping pieces can be respectively engaged with the bayonet openings corresponding to the three-way connectors at both ends, so as to realize the assembly of the three-way connector and the connecting rod. It can be seen that the design of the bayonet structure of the three-way connector of the utility model does not require the elastic clamping pieces at both ends to share a common axis during assembly, so as to facilitate the rapid assembly of the connecting rod and the three-way connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0016] Figure 1 This is a schematic structural diagram of a three-way connector according to an embodiment of the utility model;

[0017] Figure 2 It is a partial structural schematic diagram of a connecting rod of an embodiment of the utility model;

[0018] Figure 3 This is a schematic diagram of the connection structure of a three-way connector and a connecting rod according to an embodiment of the utility model;

[0019] Figure 4 This is one of the schematic diagrams of the projection of the elastic clamping member of the embodiment of the utility model on the cross section of the connecting pipe;

[0020] Figure 5 The second schematic diagram is a projection of the elastic clamping member of the embodiment of the utility model on the cross section of the connecting pipe;

[0021] Figure 6 The third schematic diagram is a projection diagram of the elastic clamping piece on the cross section of the connecting pipe according to the embodiment of the utility model.

[0022] Reference numerals:

[0023] 1-connecting rod; 11-sleeve; 12-insertion rod; 13-elastic clamping piece; 14-spring; 2-connecting tube; 21-bayonet; 22-reinforcement rib; 3-connecting line. DETAILED DESCRIPTION

[0024] Here, it should be noted that the functions and methods involved in the present invention are merely conventional adaptive applications of the prior art. Therefore, the improvement of the present invention on the prior art is essentially the connection relationship between the hardware, rather than the functions and methods themselves. That is, although the present invention involves some functions and methods, it does not include improvements to the functions and methods themselves. The description of the functions and methods in the present invention is to better illustrate the present invention so as to better understand the present invention.

[0025] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.

[0026] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application should have the common meanings understood by technicians in the field to which the utility model belongs.

[0027] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, this embodiment provides a three-way connector for engaging with a metal connecting rod 1. The connecting rod 1 is in three sections, including a sleeve 11 and a plug rod 12 threadedly connected to both ends of the sleeve 11. Elastic clips 13 are provided on the two plug rods 12. The elastic clips 13 are specifically marbles. A spring sheet 14 fixedly connected to the marbles is provided inside the plug rod 12. A mounting hole for the marbles to extend or retract radially is provided on the side of the plug rod 12 along its radial direction. When the elastic clip 13 is squeezed by an external force, the spring sheet 14 is compressed and stored, and the elastic clip 13 retracts radially into the mounting hole. After the external force disappears, the elastic clip 13 can extend radially outward from the mounting hole under the elastic force of the spring sheet 14.

[0028] The three-way connector of this embodiment includes a body, which has three connecting pipes 2, two of which are provided with a clamping portion. In practice, the clamping portion may also be provided on only one of the connecting pipes 2. The clamping portion includes a bayonet 21 circumferentially provided on the connecting pipe 2, and the elastic clamping member 13 can slide in the bayonet 21 along the circumference of the connecting pipe 2.

[0029] The three-way connector of this embodiment has a bayonet 21 opened in the circumferential direction, so that the elastic clamping member 13 can slide in the bayonet 21 along the circumferential direction of the connecting pipe 2. Figure 3 During installation, the two plug rods 12 are first threadedly connected with the sleeve 11 to form a complete connecting rod 1. The elastic clips 13 on the two connected plug rods 12 have a circumferential angle deviation. When assembling with the three-way connectors at both ends, the connecting rod 1 can be rotated so that the elastic clips 13 slide in the corresponding slots 21, so that the two elastic clips 13 can be respectively engaged with the corresponding slots 21 of the three-way connectors at both ends, thereby realizing the assembly of the three-way connector and the connecting rod 1.

[0030] In practice, the circumferential angle deviation between the elastic clips 13 at both ends of the connecting rod 1 is 0-180°. Therefore, if the connection between the connecting rod 1 and the three-way connector is not affected by the circumferential angle deviation of the elastic clips 13 at both ends, the design of the bayonet 21 needs to meet the connection requirement of the elastic clips 13 with a circumferential angle interval of at least 180°.

[0031] To meet the above requirements, a bayonet 21 with a central angle greater than or equal to 180° can be provided on the connecting pipe 2. However, such a bayonet 21 with a large angle will reduce the strength of the connecting pipe 2. If such a structure is adopted, a three-way connector must be made of a material with a higher strength, such as metal. The use of metal material is not only more expensive, but also not suitable for bedding.

[0032] In this embodiment, the three-way connector is made of plastic material, and the above-mentioned clamping portion includes two clamping holes 21, and the two clamping holes 21 are symmetrically arranged relative to the axial section of the connecting pipe 2. In practice, the two clamping holes 21 can also be arranged asymmetrically, as long as the projections of the two clamping holes 21 on the cross section of the connecting pipe 2 are arranged at intervals in the circumferential direction.

[0033] Specifically, the ends of the two bayonet sockets 21 that are close to each other form a proximal end, and the ends of the two bayonet sockets 21 that are away from each other form a distal end. When the elastic clamping piece 13 abuts against the proximal end of the bayonet socket 21, the center of the elastic clamping piece 13 coincides with the proximal clamping point of the bayonet socket 21, and when the elastic clamping piece 13 abuts against the distal end of the bayonet socket 21, the center of the elastic clamping piece 13 coincides with the distal clamping point of the bayonet socket 21; the distal clamping point, the proximal clamping point and the axis of the connecting pipe 2 are projected on the cross section of the connecting pipe 2 to form a first projection point, a second projection point and a third projection point, respectively, and the line connecting the second projection point and the third projection point forms a connecting line 3.

[0034] In order to meet the clamping requirements of the elastic clamp 13 with a circumferential angle interval of 0-180°, the structure of the two bayonet holes 21 needs to meet the following conditions: the two first projection points and the third projection point are collinear, and the angle between the two connecting lines 3 is less than or equal to 60°.

[0035] refer to Figure 4 When the angular interval between the two elastic clamping members 13 in the circumferential direction is 180°, the centers of the two elastic clamping members 13 coincide with the distal clamping points of the two bayonet ports 21 respectively. Figure 5 When the angular interval between the two elastic clamping members 13 is less than 60°, the two elastic clamping members 13 are respectively located in the bayonet holes 21 on the same side of the two three-way connectors. Figure 6 When the angle interval between the two elastic clamping members 13 is greater than 60°, the two elastic clamping members 13 are respectively located in the clamping openings 21 on the opposite sides of the two three-way connectors. It should be noted that the two elastic clamping members 13 are not clamped with the same three-way connector. Figure 4 , Figure 5 , Figure 6 The two elastic clamping parts 13 in the figure are projections on the cross section of the connecting pipe 2 of the same three-way clamping part, so as to show the connection relationship between the elastic clamping parts 13 and the bayonet 21 at different angles.

[0036] In order to improve the strength of the three-way connector, in this embodiment, a reinforcing rib 22 is provided on the connecting pipe 2 where the bayonet 21 is provided. The reinforcing rib 22 is provided along the axial direction of the corresponding connecting pipe 2, and the reinforcing rib 22 is located between the two bayonet 21, and the two bayonet 21 are symmetrically arranged on both sides of the reinforcing rib 22.

[0037] To facilitate assembly and disassembly of the insertion rod 12 and the connecting tube 2, the width of the above-mentioned bayonet 21 is designed to be (1.2-1.8) times the diameter of the elastic clamp 13. In this embodiment, it is preferably 1.5 times, which is convenient for manual pressing of the elastic clamp for quick disassembly.

[0038] More specifically, in order to reduce stress concentration, both ends of the bayonet 21 in the length direction of the embodiment are arc-shaped, that is, the bayonet 21 is an oblong hole.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

Claims

1. A three-way connector, used for engaging with a connecting rod, the connecting rod is provided with an elastic connecting piece, characterized in that: include: A body, the body having three connecting pipes, at least one of the connecting pipes being provided with a clamping portion; The clamping portion comprises a clamping opening which is circumferentially arranged on the connecting pipe, and the elastic clamping piece can slide in the clamping opening along the circumference of the connecting pipe.

2. A three-way connector according to claim 1, characterized in that: The clamping portion includes two clamping ports, and projections of the two clamping ports on the cross section of the connecting pipe are arranged at intervals in the circumferential direction.

3. A three-way connector according to claim 2, characterized in that: The two bayonet holes are symmetrically arranged relative to the axial cross section of the connecting pipe.

4. A three-way connector according to claim 2, characterized in that: The ends of the two bayonet ports that are close to each other form a proximal end, and the ends of the two bayonet ports that are far away from each other form a distal end. When the elastic clamping member abuts against the proximal end of the bayonet port, the center of the elastic clamping member coincides with the proximal clamping point of the bayonet port, and when the elastic clamping member abuts against the distal end of the bayonet port, the center of the elastic clamping member coincides with the distal clamping point of the bayonet port. The distal clamping point, the proximal clamping point and the axis of the connecting pipe are projected on the cross section of the connecting pipe to form a first projection point, a second projection point and a third projection point, respectively, and a line connecting the second projection point and the third projection point forms a connecting line; The two first projection points and the third projection point are collinear, and the angle between the two connecting lines is less than or equal to 60°.

5. A three-way connector according to claim 1, characterized in that: The elastic clamping member is a marble, a spring sheet fixedly connected to the marble is arranged inside the connecting rod, and a mounting hole for the marble to radially extend or retract is arranged on the side of the connecting rod.

6. A three-way connector according to claim 5, characterized in that: The width of the bayonet is 1.2-1.8 times the diameter of the elastic clamping piece.

7. A three-way connector according to claim 2, characterized in that: The connecting pipe is provided with a reinforcing rib along its axial direction, and the reinforcing rib is located between the two bayonet sockets.

8. A three-way connector according to claim 1, characterized in that: The body is made of plastic material, and the connecting rod is made of metal material.

9. A three-way connector according to claim 1, characterized in that: Both ends of the bayonet in the length direction are arc-shaped.

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