CN212226295U

CN212226295U - Tubular part locking device

Info

Publication number: CN212226295U
Application number: CN202020637598.6U
Authority: CN
Inventors: 林富雄
Original assignee: Dongguan Tangxia Heyi Plastic Hardware Co ltd
Current assignee: Dongguan Tangxia Heyi Plastic Hardware Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-12-25
Anticipated expiration: 2030-04-24

Abstract

The utility model discloses a tubular part locking device, chew, locking pipe box, lock nut and choke including the larynx, locking pipe box middle part vertically runs through and is provided with first through hole, and the elasticity groove has been seted up along the axial to locking pipe box outer wall, is equipped with first screw thread in locking pipe box lower extreme outer wall, and the external diameter of first screw thread reduces along the axial from last down gradually, and lock nut middle part vertically runs through and is provided with the second through hole, and this lock nut inner wall corresponds first screw thread is provided with the second screw thread, the choke cover is located the larynx is chewed the lower extreme, lock pipe box is located on this choke, thereby lock nut holds tightly this choke with this locking pipe box screw-thread fit. The utility model discloses a locking pipe box and lock nut's cooperation can lock and stabilize tubular part under the condition that accounts for minimum space, and the locking dynamics is strong and can the equilibrium distribute be locked the face on, can adjust the elasticity dynamics at any time simultaneously, can dismantle used repeatedly again, still be convenient for install.

Description

Tubular part locking device

Technical Field

The utility model relates to a mechanical equipment instrument is connected locking and securing device field about the tubulose device, especially relates to the water choke, trachea, oil pipe, the electric wire protective case etc. of the complicated machine of structure, in particular to tubulose part locking device.

Background

As modern industries are developed more and more, automation equipment is increased, and the structure of the automation equipment is more and more complex and compact along with the automation degree.

Most of the traditional connecting and locking and stabilizing devices for tubular devices are various throat hoops and throat codes, and the connecting and locking and stabilizing devices are conventionally provided with screws and nuts at the outermost circumference, so that on one hand, the screws and nuts arranged at the outermost circumference occupy most of the space of the outer circumference of the tubular device, and the designed internal space is very narrow and cannot be provided with the screws and nuts; on the other hand, the screws and nuts are arranged on the outer circumference of the tubular device, and the screw and nut are usually welded at the throat joint or sleeved with a steel ring and then surrounded and pressed by a special high-pressure machine due to the dispersed force.

Disclosure of Invention

An object of the utility model is to develop the locking of cramping parcel such as water choke, steam pipe, oil pipe, electric wire protective case, tubular metal resonator or connection and the firm device that is applicable to the complicated machine device of structure and uses, when the tubulose part is connected the shared space of outer circumference reduces to the minimum, and the dynamics is strong and balanced and repeatedly usable provides a tubulose part locking device.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted does:

the utility model provides a tubular part locking device, includes the larynx, locks the pipe box, lock nut and choke, lock pipe box middle part vertically runs through and is provided with first through hole, and the elasticity groove has been seted up along the axial to this lock pipe box outer wall, is equipped with first screw thread in this lock pipe box lower extreme outer wall, and the external diameter of this first screw thread reduces along the axial from last down gradually, lock nut middle part vertically runs through and is provided with the second through hole, and this lock nut inner wall corresponds first screw thread is provided with the second screw thread, the choke cover is located the larynx is chewed the lower extreme, lock pipe box cover is located on this choke, thereby lock nut and this lock pipe box screw-thread fit hold tightly this choke.

Preferably, the inner wall of the locking pipe sleeve is a smooth arc surface, and the inner wall of the locking pipe sleeve is provided with a first anti-slip groove.

Preferably, the locking pipe sleeve comprises a first twisting unit and a first connecting unit which are sequentially arranged from top to bottom, the elastic groove is axially formed in the outer walls of the first twisting unit and the first connecting unit, and the first thread is arranged on the outer wall of the first connecting unit.

Preferably, the first torsion unit has an outer hexagonal quincunx shape.

Preferably, the first torsion unit outer wall has a second anti-slip groove or an anti-slip pattern.

Preferably, the lower end of the locking nut is in a hexagonal plum blossom shape.

Preferably, the external diameter of the first thread is 23-27 mm.

Preferably, the thread inner diameter of the second thread is 21-25 mm.

The utility model has the advantages that: the utility model has the advantages of simple and reasonable structure, design benefit through locking pipe box and lock nut's cooperation, can lock and stabilize tubular part under the condition that accounts for minimum space, and the locking dynamics is strong and can distribute on the locking surface, can adjust the elasticity dynamics at any time simultaneously, can dismantle used repeatedly again, still be convenient for install.

The present invention will be further explained with reference to the drawings and the embodiments.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art will be briefly described below, and 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 these drawings without creative efforts.

Fig. 1 is a schematic diagram of the explosion structure of the present invention;

fig. 2 is a schematic structural diagram of the present invention.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that 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 implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present.

As shown in fig. 1 and 2, in one embodiment, a locking device for a tubular component includes a throat, a locking pipe sleeve 1, a locking nut 2, and a throat, wherein a first through hole 10 is longitudinally formed through a middle portion of the locking pipe sleeve 1, an elastic groove 11 is axially formed on an outer wall of the locking pipe sleeve 1, a first thread 12 is formed on an outer wall of a lower end of the locking pipe sleeve 1, an outer diameter of the first thread 12 decreases gradually from top to bottom along an axial direction, a second through hole 20 is longitudinally formed through a middle portion of the locking nut 2, a second thread 21 is formed on an inner wall of the locking nut 2 corresponding to the first thread 12, the throat is sleeved on the lower end of the throat, the locking pipe sleeve 1 is sleeved on the throat, and the locking nut 2 is in threaded fit with the locking pipe sleeve 1 to tightly hold the throat. Specifically, two ends of the tightening slot 11 are smooth planes, the width distance of the tightening slot 11 can be shrunk along with the screwing of the locking nut 2, and the locking nut 2 and the locking pipe sleeve 1 can be made of metal and can be used for connecting a copper pipe or a steel pipe with a throat; plastics may be used when used for low hydraulic or pneumatic throat hose connections.

In one embodiment, the inner wall of the locking pipe sleeve 1 is a smooth arc surface, and the inner wall of the locking pipe sleeve is provided with a first anti-skid groove. Specifically, the first anti-slip groove is matched with the outer diameter of the throat pipe and used for clamping the throat pipe and keeping the locking pipe sleeve 1 from sliding on the throat pipe randomly.

As shown in fig. 1, in one embodiment of a tubular member locking device, the locking pipe sleeve 1 includes a first torsion unit 13 and a first connection unit 14 which are arranged in sequence from top to bottom, the tightening slot 11 is axially formed on the outer walls of the first torsion unit 13 and the first connection unit 14, and the first thread 12 is arranged on the outer wall of the first connection unit 14. Specifically, the first connecting unit 14 is in a circular truncated cone shape, and the first connecting unit 14 is in a C shape when viewed from top to bottom.

As shown in fig. 1, further, the first torsion unit 13 has an outer hexagonal quincunx shape. Specifically, the hexagonal plum blossom shape is convenient for a wrench or a manual means to screw, and is convenient for operation and clamping.

Further, the outer wall of the first torsion unit 13 has a second anti-slip groove or an anti-slip pattern. In particular to increase the friction force during screwing, wherein the anti-skid lines can be wave-shaped lines or hemp lines.

Further, the length of the locking socket 1 is 15 mm.

In one embodiment, the lower end of the lock nut 2 is formed in a hexagonal plum-blossom shape. Specifically, the locking nut 2 is divided into an upper half and a lower half, the outer wall of the upper half is a smooth circumferential surface, the lower half is in a hexagonal plum-blossom shape, the second threads 21 are arranged from the inner wall of the upper half to the inner wall of the lower half, and the second threads 21 are in a conical shape, so that tightness of the locking nut 2 can be adjusted when the locking nut is screwed into the locking pipe sleeve 1.

In one embodiment, the first thread 12 has an outer diameter of 23 to 27 mm, and the second thread 21 has an inner diameter of 21 to 25 mm. Specifically, the throat has an outer diameter of 16 mm, the throat has an inner diameter of 16 mm and an outer diameter of 21 mm, the first thread 12 has a maximum outer diameter of 27 mm and a minimum outer diameter of 23 mm, the taper of the first thread 12 is 8 °, and the thread pitch is 1.5 mm; the second thread 21 has a maximum internal diameter of 25 mm and a minimum internal diameter of 21 mm, the taper of the second thread 21 being 8 °, and the pitch of the threads being 1.5 mm.

The larger the taper of the thread is, the larger the tightening amplitude is, but the pipe wall thickness and the occupied peripheral circumferential space of the locking pipe sleeve 1 and the locking nut 2 are also increased, the wrenching force is changed along with the size of the pitch of the thread, and the screwing force is light when the pitch is dense and heavy when the pitch is sparse.

The locking pipe sleeve 1 and the locking nut 2 are firstly sleeved from the pipe orifice of the throat pipe, the pipe orifice of the throat pipe is sleeved on the throat nozzle, the locking nut 2 and the locking pipe sleeve 1 are rotatably combined at the joint of the throat pipe and the throat nozzle, the locking pipe sleeve 1 contracts along with the rotation and screwing of a hand or a spanner, so that the effect of tightening the throat pipe is achieved, the locking pipe sleeve 1, the locking nut 2 and the throat pipe are stable and cannot be loosened, and the contraction amplitude is determined by the rotation of the locking nut 2 into the locking pipe sleeve 1.

The utility model has the advantages of simple and reasonable structure, design benefit through locking pipe box 1 and lock nut 2's cooperation, can lock and stabilize tubular part under the condition that accounts for minimum space, and the locking dynamics is strong and can the equilibrium distribute on the locking surface, can adjust the elasticity dynamics at any time simultaneously, can dismantle used repeatedly again, still be convenient for install.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. Those skilled in the art can make numerous possible variations and modifications to the present teachings, or modify equivalent embodiments to equivalent variations, without departing from the scope of the present teachings, using the methods and techniques disclosed above. Therefore, all equivalent changes made according to the shape, structure and principle of the present invention without departing from the technical scheme of the present invention shall be covered by the protection scope of the present invention.

Claims

1. A tubular member locking device, characterized in that: the locking pipe sleeve is characterized by comprising a throat nozzle, a locking pipe sleeve, a locking nut and a throat pipe, wherein a first through hole longitudinally penetrates through the middle of the locking pipe sleeve, an elastic groove is axially formed in the outer wall of the locking pipe sleeve, a first thread is arranged on the outer wall of the lower end of the locking pipe sleeve, the outer diameter of the first thread is gradually reduced from top to bottom along the axial direction, a second through hole longitudinally penetrates through the middle of the locking nut, the inner wall of the locking nut corresponds to the first thread and is provided with a second thread, the throat pipe sleeve is arranged at the lower end of the throat nozzle, the locking pipe sleeve is arranged on the throat pipe, and the locking nut and the locking pipe sleeve are in threaded fit to tightly hold the throat pipe.

2. The tubular member locking device of claim 1, wherein the locking collar inner wall is a smooth circular arc and is provided with a first anti-slip groove.

3. The tubular member locking device as claimed in claim 1, wherein the locking sleeve comprises a first torsion unit and a first connection unit arranged from top to bottom, the slack groove is axially formed on the first torsion unit and the outer wall of the first connection unit, and the first thread is arranged on the outer wall of the first connection unit.

4. A tubular member locking device according to claim 3, characterized in that said first torsion unit is of an outer hexagonal quincunx type.

5. A tubular member locking device according to claim 3, characterized in that the first torsion unit outer wall is provided with a second anti-slip groove or a second anti-slip thread.

6. The tubular member locking device as claimed in claim 1, wherein the lower end of the lock nut is in a hexagonal quincunx shape.

7. A tubular member locking device according to claim 1, wherein the first thread has an outer diameter of 23 to 27 mm.

8. A tubular member locking device according to claim 1, wherein the second thread has an internal thread diameter of 21 to 25 mm.