CN214837605U

CN214837605U - Novel connecting device

Info

Publication number: CN214837605U
Application number: CN202120971120.1U
Authority: CN
Inventors: 李良
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-11-23
Anticipated expiration: 2031-05-08

Abstract

The utility model discloses a novel connecting device, which comprises a connecting piece, a supporting piece, an expansion piece and a fixing piece, wherein the supporting piece is sleeved on the connecting piece and can be adjusted up and down along the axial direction of the connecting piece; firstly, a support piece is sleeved on the connecting piece, an expansion piece is sleeved on the support piece to realize the separation of the connecting piece and the expansion piece and reduce the friction between the connecting piece and the expansion piece, and an adjustable fixing piece is arranged at the upper end of the connecting piece to realize the multi-directional expansion adjustment; furthermore, extrusion parts with slopes are arranged between the expansion part and the upper end fixing part and between the expansion part and the lower end connecting part so as to convert the upper extrusion force and the lower extrusion force into expansion force from inside to outside, a notch capable of meeting the displacement generated during expansion is further arranged, the plastic deformation of the expansion part is reduced, the damage of the expansion part is prevented, and the service life of the device is prolonged; moreover, the upper end face and the lower end face of the connecting piece are provided with outward openings, so that the extrusion effect of the connecting piece and the fixing piece on the expansion piece can be further realized, and the overall use convenience of the device is improved.

Description

Novel connecting device

Technical Field

The utility model belongs to the technical field of the body erection equipment and specifically relates to a novel connecting device is related to.

Background

In our daily life, for example, guard rails, display shelves, bookshelves, shoe shelves, and the like, such as those made of tubular bodies that are overlapped, a connection joint for connecting more than two tubular bodies is generally used. In the existing prior art, the connector device is sleeved on the connecting piece by adopting an expansion sleeve, and the middle part of the expansion piece is deformed and protrudes outwards by extruding the expansion of the connecting piece so as to realize that the expansion piece is filled in a fixed inner cavity to realize connection, so that the expansion plastic deformation cannot recover the property, the connected device is disposable, and the manufacturing cost is increased; moreover, after the use, the connecting piece is difficult to separate from the expansion piece, and the use is inconvenient; furthermore, the force can be applied to the expansion element or the connecting element only in a single direction, which is not advantageous for use.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a novel connecting device, which solves the problem that the expansion of an extrusion connecting piece leads the middle part of the expansion piece to deform and bulge outwards when being extruded so as to realize that the expansion is filled with a fixed inner cavity to realize connection, therefore, the expansion plastic deformation can not restore the original property, which leads the connecting device to be disposable and causes the increase of the manufacturing cost; moreover, after the use, the connecting piece is difficult to separate from the expansion piece, and the use is inconvenient; furthermore, the force can be applied to the expansion element or the connecting element only in a single direction, which is not beneficial to use.

The utility model adopts the technical proposal that: the utility model provides a novel connecting device, includes the connecting piece, support piece, inflation piece, the mounting, support piece suit in on the connecting piece, and can follow the connecting piece axial is adjusted from top to bottom, the cover is equipped with on the support piece inflation piece, inflation piece upper end be equipped with and rotate connect in the connecting piece upper end the mounting, the support piece terminal surface is equipped with first extruded article down, first extruded article lower extreme diameter is greater than the upper end diameter, inflation piece with be equipped with the second extruded article between the mounting, second extruded article lower extreme diameter is less than the upper end diameter, the cooperation groove that runs through about second extruded article inboard is equipped with, cooperation inslot side lower wall rotate connect in the connecting piece upper end.

Furthermore, a plurality of groups of notch expansion openings are formed in the expansion piece, wherein one group of the expansion openings are expansion openings which penetrate through the upper wall of the inner side of the expansion piece from inside to outside.

Furthermore, a return spring is sleeved on the connecting piece.

Furthermore, the upper end face of the connecting piece is provided with a first external groove with an outward opening, and the lower end face of the connecting piece is provided with a second external groove with an outward opening.

Furthermore, a plurality of groups of perforation matching holes are formed in the fixing piece.

Compared with the prior art, the utility model, it has following beneficial effect: firstly, a support piece is sleeved on the connecting piece, an expansion piece is sleeved on the support piece to realize the separation of the connecting piece and the expansion piece and reduce the friction between the connecting piece and the expansion piece, and an adjustable fixing piece is arranged at the upper end of the connecting piece to realize the multi-directional expansion adjustment; furthermore, extrusion parts with slopes are arranged between the expansion part and the upper end fixing part and between the expansion part and the lower end connecting part so as to convert the upper extrusion force and the lower extrusion force into expansion force from inside to outside, a notch capable of meeting the displacement generated during expansion is further arranged, the plastic deformation of the expansion part is reduced, the damage of the expansion part is prevented, and the service life of the device is prolonged; moreover, the upper end face and the lower end face of the connecting piece are provided with outward openings, so that the extrusion effect of the connecting piece and the fixing piece on the expansion piece can be further realized, and the overall use convenience of the device is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a cross-sectional view taken along line "A-A" in FIG. 1;

fig. 3 is an exploded view of the present invention.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

In the figure, the connecting piece-11; a first extrusion-12; an expansion member-13; a fixture-15; a mating hole-16; an expansion port-17; an expansion opening-18; support-20; a second extrusion-22; a first circumscribed groove-23; a mating groove-25; a second circumscribed groove-26; a return spring-27.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-3, the novel connecting device of the present invention comprises a connecting member 11, a supporting member 20, an expansion member 13, and a fixing member 15, wherein the supporting member 20 is sleeved on the connecting member 11, and can be adjusted up and down along the axial direction of the connecting piece 11, the expansion piece 13 is sleeved on the supporting piece 20, the upper end of the expansion part 13 is provided with the fixing part 15 which is rotatably connected to the upper end of the connecting part 11, the lower end surface of the supporting part 20 is provided with a first extrusion part 12, and the diameter of the lower end of the first pressing member 12 is larger than that of the upper end, a second pressing member 22 is provided between the expansion member 13 and the fixing member 15, and the diameter of the lower end of the second extrusion part 22 is smaller than that of the upper end, the inner side of the second extrusion part 22 is provided with a matching groove 25 which penetrates up and down, and the lower wall inside the matching groove 25 is rotatably connected with the upper end of the connecting piece 11.

In the above technical solution, the expansion part 13 and the connecting part 11 are connected by a first extrusion part 12 arranged on the lower end surface of the supporting part 20 and having a diameter of the lower end larger than that of the upper end, and a second extrusion part 22 arranged between the expansion part 13 and the fixing part 15 and having a lower end with a same upper and lower diameter, so as to realize the upper end rotary connection with the connecting part 11, so as to ensure that the second extrusion part 22 and the connecting part 11 are in a concentric shaft position, and the upper end of the second extrusion part 22 is also provided with a round table having a diameter of the upper end larger than that of the lower end. When using, rotate the upper end cooperation and be in the mounting 15 of cooperation groove 25 inboard, through screw-thread fit connecting piece 11 is mutually supported to extrude from top to bottom simultaneously inflation piece 13 leads to inflation piece 13 outwards expands, through setting up the inclined plane first extrusion piece 12 with cooperation groove 25 makes the extrusion force of direction from top to bottom more efficient change into extrusion force from inside to outside, in order to realize improving the efficiency of inflation piece 13 outwards expansion.

Specifically, a plurality of groups of gap expansion openings 17 are arranged on the expansion piece 13, one of the gap expansion openings 17 is an expansion opening 18 which penetrates through the inner upper wall of the expansion piece 13 from inside to outside, a plurality of gaps are arranged, V-shaped gaps and inverted V-shaped gaps penetrate through the inner wall but do not penetrate through the whole inner wall, and open gaps are formed at the upper end face and the lower end face of the expansion piece 13 so as to ensure that the whole structure cannot be extruded and damaged when the expansion piece 13 is extruded and expanded from outside; furthermore, a through expansion port 18 is provided to divide the expansion member 13 into unconnected cylindrical shells, so as to have a larger expansion displacement.

Specifically, the connecting member 11 is sleeved with a return spring 27 and can move up and down along the axial direction of the connecting member 11, the return spring 27 is sleeved on the connecting member 11, when the connecting member is assembled, the lower end of the built-in return spring 27 is pressed upwards by the connecting member 11, and the upper end of the return spring 27 is pressed downwards by the lower end of the first extrusion member 12, so that the return spring is extruded and deformed. When the pressure disappears, the connecting piece 11 is quickly separated from the matching state of the inner side of the supporting piece 20 through the resetting effect of the spring.

Specifically, connecting piece 11 up end is equipped with opening first external groove 23 outwards, connecting piece 11 lower extreme face is equipped with opening second external groove 26 outwards, will connecting piece 11 up and down end sets up opening first external groove 23 and second external groove 26 outwards for but realize external tightening device, make connecting piece 11 with first extruded piece 12 is fixed more stably.

Specifically, a plurality of groups of perforated matching holes 16 are formed in the fixing piece 15, and the matching holes 16 are in threaded matching and used for realizing the mutual matching and fixing of the positions, with threads, of the upper end of the connecting piece 11 at multiple angles.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. The utility model provides a novel connecting device, includes the connecting piece, support piece, inflation piece, the mounting, support piece suit in on the connecting piece, and can follow the connecting piece axial is adjusted from top to bottom, the cover is equipped with on the support piece inflation piece, inflation piece upper end be equipped with and rotate connect in the connecting piece upper end the mounting, a serial communication port, the terminal surface is equipped with first extruded article under the support piece, first extruded article lower extreme diameter is greater than the upper end diameter, inflation piece with be equipped with the second extruded article between the mounting, second extruded article lower extreme diameter is less than the upper end diameter, the cooperation groove that runs through about the second extruded article inboard is equipped with, cooperation inslot side lower wall rotate connect in the connecting piece upper end.

2. The novel connecting device as claimed in claim 1, wherein the expansion member is provided with a plurality of groups of expansion openings, and one group of the expansion openings is an expansion opening extending through the inner upper wall of the expansion member.

3. The novel connecting device as claimed in claim 2, wherein the connecting member is sleeved with a return spring.

4. The novel connecting device as claimed in claim 3, wherein the upper end surface of the connecting member is provided with a first externally connecting groove which is open outwards, and the lower end surface of the connecting member is provided with a second externally connecting groove which is open outwards.

5. The novel connecting device as claimed in claim 4, wherein the fixing member has a plurality of sets of through-hole holes.