CN217153780U

CN217153780U - Stainless steel special-shaped cold-drawn steel pipe

Info

Publication number: CN217153780U
Application number: CN202220774250.0U
Authority: CN
Inventors: 王爱秀; 王志明; 高强
Original assignee: Liaocheng Zhongyue Pipe Industry Co ltd
Current assignee: Liaocheng Zhongyue Pipe Industry Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-08-09
Anticipated expiration: 2032-04-02

Abstract

The utility model discloses a stainless steel dysmorphism cold drawn steel pipe relates to cold drawn steel pipe technical field. The utility model discloses a steel pipe body, location external member and enhancement core, strengthen the core setting in the inside of steel pipe body, still through strengthening support arm fixed connection between enhancement core and the steel pipe body, location external member screw thread connects soon in the one end of steel pipe body, annular positioning groove has been seted up to the other end of steel pipe body, the location external member is connected with the annular positioning groove cooperation. The utility model discloses a set up in the inside of steel pipe body and strengthen the core and strengthen the support arm, can improve the structural strength of steel pipe, improve the anti bending ability of steel pipe, connect the location external member soon through the one end screw thread at the steel pipe body simultaneously to set up annular positioning groove at the other end of steel pipe body, through screwing out one section with the inside of location external member from the steel pipe body, and insert one section that should screw out in the annular positioning groove of another steel pipe body one end, can assist and realize the location concatenation to two steel pipes.

Description

Stainless steel special-shaped cold-drawn steel pipe

Technical Field

The utility model belongs to the technical field of the cold drawn steel pipe, especially, relate to a stainless steel dysmorphism cold drawn steel pipe.

Background

The cold-drawn steel tube is a precision cold-drawn seamless tube with high dimensional accuracy and good surface smoothness for mechanical structures and hydraulic equipment. The mechanical structure or hydraulic equipment is manufactured by selecting the precise seamless tube, so that the machining working hour can be greatly saved, the material utilization rate is improved, and the product quality is favorably improved.

Its structure of conventional stainless steel cold drawn steel pipe on the market at present is mostly single tubular structure, the structural strength of cold drawn steel pipe is lower, and the bending resistance ability of cold drawn steel pipe is relatively poor, the both ends of current stainless steel cold drawn steel pipe are the terminal surface of parallel and level simultaneously, when splicing two stainless steel cold drawn steel pipes again, the quick accurate location concatenation is realized with two stainless steel cold drawn steel pipes to the inconvenience, splicing efficiency is lower, consequently, urgent need propose a stainless steel dysmorphism cold drawn steel pipe on the market, in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a stainless steel dysmorphism cold drawn steel pipe, including steel pipe body, location external member and enhancement core, it sets up the inside at the steel pipe body to strengthen the core, still through strengthening support arm fixed connection between enhancement core and the steel pipe body, location external member screw thread connects soon in the one end of steel pipe body, annular positioning groove has been seted up to the other end of steel pipe body, the location external member is connected with the annular positioning groove cooperation.

Preferably, the reinforcing core is arranged at the center of the steel pipe body, the reinforcing core is arranged in a cylindrical strip shape, and the reinforcing core and the steel pipe body are coaxially arranged.

Preferably, strengthen the support arm and be annular array along the week lateral wall of strengthening the core and be provided with three, strengthen one side of support arm and be connected with the lateral wall of strengthening the core, and strengthen the opposite side of support arm and be connected with the inside wall of steel pipe body, strengthening the core and strengthening support arm integrated into one piece.

Preferably, the annular accommodating groove is formed in one end of the steel pipe body, and the positioning sleeve is located in the annular accommodating groove.

Preferably, the inner side wall of the annular accommodating groove is provided with an external thread part, the inner side wall of the tail part of the positioning external member is provided with an internal thread part, and the internal thread part is connected with the external thread part in a matching manner.

Preferably, the inner side wall of the front part of the positioning sleeve member is provided with three shifting grooves, and the shifting grooves are arranged in an annular array along the inner side wall of the positioning sleeve member.

Preferably, the inner diameter of the front part of the positioning sleeve is larger than that of the rear part of the positioning sleeve, the outer diameters of the front part and the rear part of the positioning sleeve are the same, and the length of the positioning sleeve is the same as that of the annular accommodating groove.

The utility model discloses following beneficial effect has:

1. the utility model discloses a central point department of putting inside the steel pipe body sets up and strengthens the core and strengthen the support arm, can strengthen the structure of steel pipe body through strengthening the core and strengthening the support arm, can improve the anti bending ability of steel pipe body, and strengthen the core and constitute the triangle-shaped structure with three enhancement support arm for the structure of steel pipe body can be more stable.

2. The utility model discloses a screw thread connects location external member soon in the one end of steel pipe body to set up annular positioning groove at the other end of steel pipe body, when needs splice two steel pipe bodies, can unscrew partly from the one end of steel pipe body with the location external member of steel pipe body one end, and aim at the annular positioning groove on another steel pipe body with this part of unscrewing, can assist the completion and carry out the location concatenation to two cold drawn steel pipes, can improve the concatenation efficiency of cold drawn steel pipe.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

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

FIG. 1 is a side cross-sectional view of the present invention;

FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;

FIG. 3 is a front view of the present invention;

fig. 4 is a rear view of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a steel pipe body; 11. an annular positioning groove; 12. an annular receiving groove; 13. an external threaded portion; 2. a positioning kit; 21. poking the groove; 22. an internal thread portion; 3. a reinforcing core; 31. and reinforcing the support arm.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Please refer to fig. 1-4, the utility model relates to a stainless steel special-shaped cold drawn steel tube, including steel tube body 1, positioning sleeve member 2 and enhancement core 3, enhancement core 3 sets up in the inside of steel tube body 1, still through strengthening support arm 31 fixed connection between enhancement core 3 and the steel tube body 1, and the screw thread of positioning sleeve member 2 connects soon in the one end of steel tube body 1, and annular positioning groove 11 has been seted up to the other end of steel tube body 1, and positioning sleeve member 2 is connected with annular positioning groove 11 cooperation.

Further, the center position department of setting at steel pipe body 1 of strengthening core 3, strengthening core 3 is the setting of cylindricality strip, and strengthens core 3 and the coaxial setting of steel pipe body 1, can strengthen steel pipe body 1's structure through the strengthening core 3 that sets up.

Further, strengthen support arm 31 and be annular array along the all sides wall of strengthening core 3 and be provided with the three, strengthen one side and the lateral wall of strengthening core 3 of support arm 31 and be connected, and strengthen the opposite side of support arm 31 and be connected with the inside wall of steel pipe body 1, strengthen core 3 and strengthen support arm 31 integrated into one piece, can improve steel pipe body 1's bending resistance ability through the strengthening core 3 that sets up and strengthen support arm 31, and three strengthen support arm 31 and constitute the triangle-shaped structure, have better stability.

Further, the annular accommodating groove 12 is opened at one end of the steel pipe body 1, the positioning sleeve 2 is located in the annular accommodating groove 12, the annular accommodating groove 12 is opened for accommodating the positioning sleeve 2, and when the positioning sleeve 2 is accommodated in the annular accommodating groove 12 in the steel pipe body 1, the end face of the positioning sleeve 2 can be flush with the end face of the steel pipe body 1.

Further, an external thread portion 13 is formed on an inner side wall of the annular housing groove 12, an internal thread portion 22 is formed on an inner side wall of a tail portion of the positioning sleeve 2, the internal thread portion 22 is engaged with the external thread portion 13, and the positioning sleeve 2 can be stably housed in the annular housing groove 12 by the formed external thread portion 13 and internal thread portion 22.

Further, having seted up on the anterior inside wall of positioning sleeve member 2 and having stirred recess 21, stir recess 21 and be annular array along positioning sleeve member 2's inside wall and seted up three, stir recess 21 through setting up, can make things convenient for personnel to utilize the instrument to stir positioning sleeve member 2, will fix a position sleeve member 2 and screw out from annular accommodating groove 12, through inserting annular positioning groove 11 with positioning sleeve member 2's front portion, can splice the location to two cold drawn steel pipes.

Further, the inner diameter of the front portion of the positioning sleeve 2 is larger than that of the rear portion, the outer diameters of the front and rear portions of the positioning sleeve 2 are the same, and the length of the positioning sleeve 2 is the same as that of the annular receiving groove 12.

The working principle is as follows: when in use, when two steel pipe bodies 1 need to be spliced, the positioning sleeve member 2 at one end of one steel pipe body 1 can be screwed out from the annular accommodating groove 12 in the steel pipe body 1, the positioning sleeve member 2 stops being screwed out after being screwed out to a proper length, when the positioning sleeve member 2 is screwed out, three claws can be respectively clamped into three toggle grooves 21 on the end surface of the positioning sleeve member 2 by utilizing a three-claw dismounting tool, the positioning sleeve member 2 is screwed out by toggling the positioning sleeve member 2, then the screwed-out positioning sleeve member 2 is aligned to the annular positioning groove 11 arranged at the end head of the other steel pipe body 1, and the positioning sleeve member 2 is inserted into the annular positioning groove 11, so that the two steel pipe bodies 1 can be positioned and spliced, in the use process, the reinforcing core 3 and the reinforcing support arm 31 arranged in the steel pipe body 1 can improve the structural strength of the steel pipe body 1, so that the steel pipe body 1 can be more stable when in use.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only the preferred embodiment of the present invention, and the present invention is not limited thereto, any technical solution recorded in the foregoing embodiments is modified, and some technical features are replaced by equivalent, all belonging to the protection scope of the present invention.

Claims

1. The utility model provides a stainless steel dysmorphism cold drawn steel pipe which characterized in that: including steel pipe body (1), location external member (2) and enhancement core (3), strengthen core (3) and set up the inside at steel pipe body (1), still through strengthening support arm (31) fixed connection between enhancement core (3) and steel pipe body (1), location external member (2) screw thread connects soon in the one end of steel pipe body (1), annular positioning groove (11) have been seted up to the other end of steel pipe body (1), location external member (2) are connected with annular positioning groove (11) cooperation.

2. The stainless steel special-shaped cold-drawn steel pipe according to claim 1, wherein the reinforcing core (3) is arranged at the center of the steel pipe body (1), the reinforcing core (3) is arranged in a cylindrical strip shape, and the reinforcing core (3) and the steel pipe body (1) are coaxially arranged.

3. The stainless steel special-shaped cold-drawn steel pipe according to claim 2, wherein the reinforcing arms (31) are arranged at three positions in an annular array along the peripheral side wall of the reinforcing core (3), one side of each reinforcing arm (31) is connected with the outer side wall of the reinforcing core (3), the other side of each reinforcing arm (31) is connected with the inner side wall of the steel pipe body (1), and the steel pipe body (1), the reinforcing core (3) and the reinforcing arms (31) are integrally formed.

4. The stainless steel special-shaped cold-drawn steel tube as claimed in claim 1, wherein one end of the steel tube body (1) is provided with an annular accommodating groove (12), and the positioning sleeve (2) is located in the annular accommodating groove (12).

5. The stainless steel special-shaped cold-drawn steel pipe as claimed in claim 4, wherein the inner side wall of the annular receiving groove (12) is provided with an external thread portion (13), the inner side wall of the tail portion of the positioning sleeve (2) is provided with an internal thread portion (22), and the internal thread portion (22) is matched and connected with the external thread portion (13).

6. The stainless steel special-shaped cold-drawn steel tube as claimed in claim 5, wherein the inner side wall of the front part of the positioning sleeve (2) is provided with three shifting grooves (21), and the three shifting grooves (21) are arranged in an annular array along the inner side wall of the positioning sleeve (2).

7. The stainless steel special-shaped cold-drawn steel pipe according to claim 6, wherein the inner diameter of the front part of the positioning sleeve (2) is larger than that of the rear part, the outer diameters of the front part and the rear part of the positioning sleeve (2) are the same, and the length of the positioning sleeve (2) is the same as that of the annular receiving groove (12).