CN215370472U - Four-in-one connecting piece for tobacco pipe - Google Patents

Abstract

The utility model relates to a four-in-one connecting piece of a tobacco pipe, which comprises: the connecting rod, the socket piece and the positioning pin; the socket piece is provided with a through hole for the connecting rod to pass through and a blind hole for the threaded connection of the positioning pin, the through hole and the blind hole are communicated with each other in the socket piece, and an internal thread is arranged in the blind hole; one end of the connecting rod is provided with a limiting groove which is arranged around the circumferential direction of the connecting rod; the positioning pin is provided with an external thread matched with the internal thread, and one end of the positioning pin is provided with a limiting head matched with the limiting groove; under the condition that the positioning pin is screwed in the blind hole, the limiting head is clamped in the limiting groove, so that the connecting rod and the socket piece are relatively fixed; compared with the traditional eccentric wheel connecting piece, the connecting piece has the advantages that the hole is smaller, only 10MM of diameter is needed, and the connecting tightness is higher and firmer.

Description

Four-in-one connecting piece for tobacco pipe

Technical Field

The utility model relates to the technical field of plate connecting pieces, in particular to a four-in-one connecting piece for a tobacco pipe.

Background

The plank type furniture is assembled by taking planks as basic structures, if the two existing planks are required to be vertically connected, besides direct connection and fixation by using screws, a three-in-one connecting piece is also commonly used; whether the screw is a flat-head screw or a countersunk screw, the screw cannot be completely flush with the surface of the wood board, and the user is easily scratched in the daily use process; trinity connecting piece comprises bloated bolt, bolt and eccentric wheel usually, but among the current processing technique, the material structure of eccentric wheel is complicated, leads to cracked because torsion is too big easily in the installation, and the trompil diameter of placing the eccentric wheel is great, and the plank appears rocking easily after connecting.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a four-in-one connecting piece for a tobacco pipe, which is used for solving the problems that a user is easily scratched when a screw is exposed outside, the diameter of an opening of an eccentric wheel is large and the connection is not firm when the existing wood boards are spliced.

The technical purpose of the utility model is realized by the following technical scheme:

four unification connecting pieces of pipe include: the connecting rod, the socket piece and the positioning pin;

the socket piece is provided with a through hole for the connecting rod to pass through and a blind hole for the threaded connection of the positioning pin, the through hole and the blind hole are communicated with each other in the socket piece, and an internal thread is arranged in the blind hole;

one end of the connecting rod is provided with a limiting groove, and the limiting groove is arranged in a surrounding manner along the circumferential direction of the connecting rod;

the positioning pin is provided with an external thread matched with the internal thread, and one end of the positioning pin is provided with a limiting head matched with the limiting groove;

under the condition that the positioning pin is screwed in the blind hole, the limiting head is clamped in the limiting groove, so that the connecting rod and the socket piece are relatively fixed.

Optionally, the socket piece is a cylindrical base body, and the through hole is arranged on the side wall of the socket piece and extends along the diameter direction of the cross section of the socket piece; the blind hole is arranged on the top surface of the socket piece and extends along the axial direction of the socket piece.

Optionally, one end of the positioning pin, which is far away from the limiting head, is provided with an inner hexagonal groove.

Optionally, one end of the connecting rod, which is far away from the limiting groove, is provided with a threaded rod, and the threaded rod is fixedly connected with the connecting rod in a coaxial manner.

Optionally, the expansion device further comprises an expansion plug, and the expansion plug is in threaded connection with the connecting rod.

Optionally, the socket piece is further provided with anti-slip stripes.

In conclusion, the four-in-one connecting piece for the tobacco pipe has the following beneficial effects: four unification connecting pieces of pipe include: the connecting rod, the socket piece and the positioning pin; the socket piece is provided with a through hole for the connecting rod to pass through and a blind hole for the threaded connection of the positioning pin, the through hole and the blind hole are communicated with each other in the socket piece, and an internal thread is arranged in the blind hole; one end of the connecting rod is provided with a limiting groove, and the limiting groove is arranged in a surrounding manner along the circumferential direction of the connecting rod; the positioning pin is provided with an external thread matched with the internal thread, and one end of the positioning pin is provided with a limiting head matched with the limiting groove; under the condition that the positioning pin is screwed in the blind hole, the limiting head is clamped in the limiting groove, so that the connecting rod and the socket piece are relatively fixed; compared with the traditional eccentric wheel connecting piece, the connecting piece has the advantages that the hole is smaller, only 10MM of diameter is needed, and the connecting tightness is higher and firmer.

Drawings

FIG. 1 is a schematic view of the overall structure of the four-in-one connecting piece of the tobacco pipe of the utility model;

FIG. 2 is a schematic view of a connecting rod of the present invention;

FIG. 3 is a schematic view of a socket of the present invention;

FIG. 4 is a schematic view of a locating pin of the present invention;

FIG. 5 is a schematic cross-sectional view of a connecting plank of the present invention;

in the figure: 1. a connecting rod; 11. a threaded rod; 12. a limiting groove; 2. a socket piece; 21. a through hole; 22. blind holes; 23. anti-skid stripes; 3. positioning pins; 31. an external thread; 32. an inner hexagonal groove; 33. a limiting head; 4. and (5) expanding the plug.

Detailed Description

In order to make the objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. Several embodiments of the utility model are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like are used for descriptive purposes only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, configuration, and operation, and therefore should not be construed as limiting the present invention.

The utility model is described in detail below with reference to the figures and examples.

Referring to fig. 1-5, an alternative four-in-one connector for a tobacco pipe of the present invention includes: the connecting rod 1, the socket piece 2 and the positioning pin 3; the socket piece 2 is provided with a through hole 21 through which the connecting rod 1 can pass and a blind hole 22 for being in threaded connection with the positioning pin 3, the through hole 21 and the blind hole 22 are communicated with each other inside the socket piece 2, and internal threads are arranged in the blind hole 22; one end of the connecting rod 1 is provided with a limiting groove 12, and the limiting groove 12 is arranged around the connecting rod 1 in the circumferential direction; an external thread 31 matched with the internal thread is arranged on the positioning pin 3, and a limiting head 33 matched with the limiting groove 12 is arranged at one end of the positioning pin 3; with the dowel pin 3 screwed into the blind hole 22, the stop head 33 is engaged in the stop groove 12, so that the connecting rod 1 and the socket 2 are fixed relative to each other.

Specifically, the connecting member of the present application can connect two plates vertically, and when two plates are connected, the front surface of the first plate is usually connected to the side surface of the second plate (here, the front surface of the first plate refers to a larger plane of the plates, and the side surface of the second plate refers to a side wall surface corresponding to the thickness of the plate having a certain thickness, and the first and second plates are only used for distinguishing the two plates, which is not essential difference). The connecting rod 1 is used for being connected with the front face of the first plate, the connecting rod 1 is vertically fixed on the front face of the first plate, and the limiting groove 12 in the connecting rod 1 is located at one end far away from the front face of the first plate. The second plate is provided with two round holes, the first round hole extends from the side surface contacted with the first plate to the inside of the second plate, and the second round hole extends from the front surface of the plate to the inside of the second plate and is communicated with the first round hole in a mutually perpendicular mode. The first round hole is used for inserting the connecting rod 1, the second round hole is used for accommodating the socket piece 2, the through hole 21 in the socket piece 2 is axially communicated with the first round hole, and under the condition that the connecting rod 1 is inserted into the first round hole, the limiting groove 12 of the connecting rod 1 can be inserted into the through hole 21 of the socket piece 2. The limiting pin is in threaded connection with the blind hole 22 of the socket piece 2, when the limiting pin is inserted into the blind hole 22, the limiting head 33 at the end part of the limiting pin can be clamped in the limiting groove 12 and is mutually pressed with the connecting rod 1, so that the connecting rod 1 cannot be pulled out of the through hole 21, and the connecting pieces are relatively fixed to realize the connection between plates.

The connecting piece can be used for fixing the wood boards, so that the two wood boards are vertically connected, and can also be used for fixing plates made of other materials, such as steel plates, melamine plates, density plates and the like.

Further, the socket 2 is a cylindrical base body, and the through hole 21 is formed in the side wall of the socket 2 and extends along the diameter direction of the cross section of the socket 2; the blind hole 22 is provided in the top surface of the socket 2 and extends in the axial direction of the socket 2.

Further, one end of the positioning pin 3, which is far away from the limiting head 33, is provided with an inner hexagonal groove 32.

Particularly, compared with the cross plum blossom-shaped groove, the inner hexagonal groove 32 is smaller and more exquisite, and is less prone to the occurrence of the problems of thread slipping and the like. And the positioning pin 3 can be completely sunk into the limiting groove 12 by using the inner hexagonal groove 32, so that hidden installation is realized.

Furthermore, one end of the connecting rod 1, which is far away from the limiting groove 12, is provided with a threaded rod 11, and the threaded rod 11 is coaxially and fixedly connected with the connecting rod 1.

Further, the expansion device also comprises an expansion plug 4, and the expansion plug 4 is in threaded connection with the connecting rod 1.

Furthermore, the socket piece 2 is also provided with an anti-skid stripe 23.

Particularly, the positive threaded connection of connecting rod 1 and panel, in order to keep firm, at first need set up the round hole on the panel and fill in expansion plug 4, threaded rod 11 and the 4 threaded connection of expansion plug on the connecting rod 1, and work as threaded rod 11 screw in after the expansion plug 4, threaded rod 11 can expand the diameter of expansion plug 4, lets the frictional force increase between expansion plug 4 and the panel, realizes the stable connection of connecting rod 1 and plank.

In summary, in the four-in-one connecting piece for the tobacco pipe, the connecting rod 1 is fixedly connected with the first plate, the socket piece 2 is fixedly connected with the second plate, and the connecting rod 1 and the socket piece 2 are fixed with each other through the positioning pin 3 with the countersunk head, so that the two wood plates are vertically connected. The positioning pin 3 uses the inner hexagonal groove 32, can be completely sunk into the socket piece 2 during installation, realizes hidden installation, and the limiting head 33 and the limiting groove 12 are mutually clamped, so that the structure is simple, the opening is smaller, and the tightness is higher; the connecting piece is not easy to deform and fall off, and is convenient to disassemble and assemble.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims (6)

1. Four unification connecting pieces of pipe, its characterized in that includes: the connecting rod, the socket piece and the positioning pin; the socket piece is provided with a through hole for the connecting rod to pass through and a blind hole for the threaded connection of the positioning pin, the through hole and the blind hole are communicated with each other in the socket piece, and an internal thread is arranged in the blind hole; one end of the connecting rod is provided with a limiting groove, and the limiting groove is arranged in a surrounding manner along the circumferential direction of the connecting rod; the positioning pin is provided with an external thread matched with the internal thread, and one end of the positioning pin is provided with a limiting head matched with the limiting groove; under the condition that the positioning pin is screwed in the blind hole, the limiting head is clamped in the limiting groove, so that the connecting rod and the socket piece are relatively fixed.

2. The pipe four-in-one connector according to claim 1, wherein the socket is a cylindrical base body, and the through hole is formed in a side wall of the socket and extends along a cross-sectional diameter direction of the socket; the blind hole is arranged on the top surface of the socket piece and extends along the axial direction of the socket piece.

3. The four-in-one connecting piece for the tobacco pipe according to claim 2, wherein one end, away from the limiting head, of the positioning pin is provided with an inner hexagonal groove.

4. The tobacco pipe four-in-one connecting piece according to claim 3, wherein a threaded rod is arranged at one end of the connecting rod, which is far away from the limiting groove, and the threaded rod is coaxially and fixedly connected with the connecting rod.

5. The tobacco pipe four-in-one connector according to claim 4, further comprising an expansion plug, wherein the expansion plug is in threaded connection with the connecting rod.

6. The pipe four-in-one connector according to claim 5, wherein the socket piece is further provided with anti-slip stripes.

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