CN110500457B - Stainless steel pipe convenient to erection joint - Google Patents
Stainless steel pipe convenient to erection joint Download PDFInfo
- Publication number
- CN110500457B CN110500457B CN201910819627.2A CN201910819627A CN110500457B CN 110500457 B CN110500457 B CN 110500457B CN 201910819627 A CN201910819627 A CN 201910819627A CN 110500457 B CN110500457 B CN 110500457B
- Authority
- CN
- China
- Prior art keywords
- spring
- steel pipe
- locking
- clamping jaw
- movable clamping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/036—Flanged joints the flanges being connected by members tensioned axially characterised by the tensioning members, e.g. specially adapted bolts or C-clamps
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a stainless steel pipe convenient for installation and connection, which relates to the technical field of pipeline connection equipment and comprises the following components: the steel pipe comprises a steel pipe body, wherein the steel pipe body is a hollow pipe, a through pipe cavity is arranged in the steel pipe body, and the steel pipe body is provided with a plurality of steel pipe bodies; one end of each steel pipe body is provided with a flanging, the flanging is outwards bent into a plate-shaped structure from the pipe orifice of the steel pipe body, and locking holes are uniformly distributed on the end surface of the flanging; the other end of the steel pipe body is provided with a sleeve pipe, locking grooves with the same number as the locking holes are uniformly distributed in the sleeve pipe, and through round holes are formed in the two ends of each locking groove; wherein, a plurality of steel pipe body end to end. The movable clamping jaw at the other end of the connecting bolt penetrates through the locking hole and extends into the locking groove. The movable clamping jaw is automatically unfolded and is locked from one end of the connecting bolt through the locking nut, and the complex operation that the nuts are simultaneously rotated at two ends is reduced.
Description
Technical Field
The invention relates to the technical field of pipeline connecting equipment, in particular to a stainless steel pipe convenient to install and connect.
Background
At present, stainless steel pipes are widely applied to industrial conveying pipelines and mechanical structure parts such as petroleum, chemical engineering, medical treatment, food, light industry, mechanical instruments and the like, the stainless steel pipes have a plurality of structures, such as circular pipes, square pipes, triangular pipes and other pipelines with various different structures, and when the pipelines are built or form mechanical structures, the existing stainless steel pipes need to be communicated, joints are configured for the stainless steel pipes, and therefore the stainless steel pipes are connected through the mutual connection among the joints.
The prior art also presents a technical scheme of stainless steel pipe joints, for example, a chinese patent with application number 201721097209 discloses a stainless steel pipe joint, which comprises a joint body and a stainless steel pipe, wherein the joint body comprises a first joint and a second joint; the first joint comprises a first threaded pipe and a first sleeving pipe, and the second joint comprises a second threaded pipe and a second sleeving pipe; the first threaded pipe is provided with internal threads, the second threaded pipe is provided with external threads, and the internal threads of the first threaded pipe are matched with the external threads of the second threaded pipe; one end of the first sleeving pipe and the first threaded pipe are integrally formed into a whole, and the other end of the first sleeving pipe is connected with the stainless steel pipe in a sleeving manner; one end of the second sleeving pipe and the second threaded pipe are integrally formed into a whole, and the other end of the second sleeving pipe is connected with the stainless steel pipe in a sleeving manner.
This technical scheme still has some weak points in-service use, and concrete weak point lies in, and nonrust steel pipe is through penetrating the threaded rod in the junction, and the both ends of threaded rod are all fixed through nut locking, and both ends rotating nut locks simultaneously for the installation is very loaded down with trivial details when dismantling.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a stainless steel pipe convenient to install and connect, and solves the technical problems of complex installation and difficulty in disassembly caused by the fact that two ends of the existing stainless steel pipe are locked through nuts.
The technical problem to be solved by the invention is realized by adopting the following technical scheme: a stainless steel pipe for facilitating installation connections, comprising: the steel pipe body is a hollow pipe, and a plurality of steel pipe bodies are arranged;
one end of each steel pipe body is provided with a flanging, the flanging is outwards bent into a plate-shaped structure from the pipe orifice of the steel pipe body, and locking holes are uniformly distributed at two ends of the flanging;
the other end of the steel pipe body is provided with a sleeve pipe, locking grooves with the same number as the locking holes are uniformly distributed in the sleeve pipe, and through round holes are formed in the two ends of each locking groove;
the connecting structure comprises a plurality of steel pipe bodies, a plurality of locking holes are formed in the steel pipe bodies, the locking holes are formed in the locking holes, the steel pipe bodies are connected end to form a stainless steel pipeline, a connecting bolt is arranged at the joint between every two adjacent steel pipe bodies and locked, a locking nut is installed at one end of the connecting bolt, a U-shaped opening is formed in the other end of the connecting bolt (5), a movable clamping jaw is hinged in the U-shaped opening, and the movable clamping jaw at the other end of the connecting bolt penetrates through.
As a preferred technical scheme of the invention, in order to facilitate connection and elasticity of the spring, counter bores are symmetrically arranged on two side walls of the U-shaped opening, a movable clamping jaw is embedded in the U-shaped opening, convex columns are symmetrically arranged on two sides of the movable clamping jaw and embedded in the counter bores, and a spring lock catch is arranged on the other side of the movable clamping jaw;
as a preferred technical scheme of the invention, in order to facilitate connection and elasticity of the spring, a spring fixing seat is fixed at the bottom of the U-shaped opening, the spring fixing seat is arranged at the middle position of the bottom of the U-shaped opening and is integrated with the connecting bolt, and a spring connecting hole is formed in the top end of the spring fixing seat.
As a preferred technical scheme of the invention, in order to enable the movable clamping jaws to automatically expand after extending into the locking grooves, an elastic spring is connected between the spring connecting hole and the spring lock catch, and the elastic spring is of a spiral rod structure with small two ends and large middle.
As a preferred technical scheme of the invention, in order to enable the clamping jaws to be tightly attached to the locking grooves, the movable clamping jaws comprise spring blocks, the side surfaces of the movable clamping jaws are symmetrically provided with a spring groove, the spring blocks are embedded into the spring groove, one end of each spring block extends out of one side of each movable clamping jaw, and the other end of each spring block is provided with a spring which is arranged in the spring groove.
As a preferred technical scheme of the invention, in order to improve the structural strength of the movable clamping jaw and support the stress point of the movable clamping plate, the inner wall of the U-shaped opening is provided with a stop block which is a square block, the top of the stop block is provided with an oblique angle, two ends of the stop block are fixed on the inner wall of the U-shaped opening, and the stop block is arranged on the other side of the movable clamping jaw.
Compared with the prior art, the invention at least comprises the following beneficial effects:
firstly, the other end of the connecting bolt penetrates through the locking hole and extends into the locking groove. The movable clamping jaw is automatically unfolded and is locked from one end of the connecting bolt through the locking nut, and the complex operation that the nuts are simultaneously rotated at two ends is reduced.
Through the through round holes arranged at the two ends of the locking groove, the connecting screw rod can be conveniently taken down from the through round holes when the locking nut is unscrewed, and the operation room easiness during disassembly is improved.
And the movable clamping jaws arranged in the stainless steel pipe joint are hinged in the U-shaped opening and can swing for multiple times, and the locking nut and the connecting bolt lock can be frequently disassembled, so that the connecting bolt can be recycled, and the practicability of the stainless steel pipe is improved.
And fourthly, the elastic spring is arranged in the U-shaped opening, the movable clamping jaw extends into the locking groove and is automatically unfolded under the pushing of the elastic spring, and the operation simplicity of installation is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of a steel pipe body according to the present invention;
FIG. 2 is a schematic view of the structural connection between two adjacent steel pipe bodies according to the present invention;
FIG. 3 is a schematic view of the construction of the connecting bolt of the present invention;
FIG. 4 is a first view of a partial cross-sectional structure of the connecting bolt of the present invention;
FIG. 5 is a second partial sectional view of the connecting bolt of the present invention;
FIG. 6 is a schematic structural view of a movable jaw of the present invention;
FIG. 7 is a schematic view of the construction of the spring of the present invention;
FIG. 8 is a schematic structural view of example 1 of the present invention;
FIG. 9 is a schematic structural view of example 2 of the present invention;
FIG. 10 is a schematic structural view of example 3 of the present invention;
in the figure: 1. flanging, 2, locking hole, 3, lumen, 4, steel pipe body, 401, round hole, 402, locking groove, 403, socket pipe, 5, connecting bolt, 6, lock nut, 7, washer, 8, movable jaw, 801, fixed hole, 802, spring groove, 803, spring, 804, spring block, 9, screw, 10, spring fixing seat, 11, U-shaped opening, 12, elastic spring, 13, convex column, 14, counter bore, 15, stopper, 16, spring lock catch, 17, spring connecting hole.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
It will be understood that when an element is referred to as being "secured to" another element, it can be on the other element or intervening elements may also be present. 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. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only and do not represent the only embodiments.
Example 1
Referring to fig. 1-8, an overall structure diagram of a stainless steel pipe for easy installation and connection is shown, which includes: the steel pipe comprises steel pipe bodies 4, wherein the steel pipe bodies 4 are triangular pipes, the steel pipe bodies 4 are hollow pipes, through pipe cavities 3 are formed in the steel pipe bodies 4, the steel pipe bodies 4 are multiple, one end of each steel pipe body 4 is provided with a flange 1, the flanges 1 are outwards bent into triangular plate-shaped structures from pipe orifices of the steel pipe bodies 4, and three locking holes 2 are uniformly distributed in the end faces of the flanges 1; the other end of the steel pipe body 4 is provided with a sleeve 403, the sleeve 403 is in a triangular plate structure, locking grooves 402 with the same number as the locking holes 2 are uniformly distributed in the sleeve 403, and two through round holes 401 are arranged at two ends of each locking groove 402; the round hole 401 that sets up, when the lock nut of being convenient for unscrews, takes off connecting screw in the round hole that link up, improves the operation room ease when dismantling.
Wherein, a plurality of steel pipe bodies 4 end to end connect into stainless steel pipeline, the junction evenly distributed between two adjacent steel pipe bodies 4 has connecting bolt 5 locking connection, lock nut 6 is installed to connecting bolt 5's one end, be provided with packing ring 7 between lock nut 6 and packing ring and turn-ups 1's the contact surface, in order to improve lock nut 6's area of contact, improve lock nut 6's locking force, connecting bolt 5's the other end is provided with U-shaped mouth 11, it has movable jack catch 8 to articulate in the U-shaped mouth 11, connecting bolt 5's other end activity jack catch 8 passes locking hole 2 and stretches into in locking groove 402, the activity jack catch receives inside elasticity clockwork spring to support automatic the expansion, through lock nut from connecting bolt's one end locking can, reduce the loaded down with trivial details operation of both ends rotating nut simultaneously.
The movable clamping jaw at the other end of the connecting bolt penetrates through the locking hole and extends into the locking groove. The movable clamping jaw is automatically unfolded and is locked from one end of the connecting bolt through the locking nut, and the complex operation that the nuts are simultaneously rotated at two ends is reduced.
According to the invention, through round holes are formed at two ends of the locking groove, so that the connecting screw rod can be conveniently taken down from the through round holes when the locking nut is unscrewed, and the operation room easiness during disassembly is improved.
The movable clamping jaws arranged in the stainless steel pipe joint are hinged in the U-shaped opening and can swing for multiple times, and the locking nut and the connecting bolt lock can be frequently disassembled, so that the connecting bolt can be recycled, and the practicability of the stainless steel pipe is improved.
a spring fixing seat 10 is fixed at the bottom of the U-shaped opening 11, the spring fixing seat 10 is arranged to be of a square block structure, the spring fixing seat 10 is arranged at the middle position of the bottom of the U-shaped opening 11 and is arranged to be of an integral structure with the connecting bolt 5, and a spring connecting hole 17 is formed in the top end of the spring fixing seat 10; an elastic spring 12 is connected between the spring connecting hole 17 and the spring lock 16, and the elastic spring 12 is of a spiral rod structure with small two ends and large middle.
The elastic spring is of a spiral rod structure with small two ends and large middle, so that when the elastic spring bears axial pressure, the two ends of the elastic spring contract towards the middle, the elastic spring is prevented from being inclined due to the inclined force of the movable jaws when the movable jaws are unfolded, the elastic spring is in a completely unfolded state when the movable jaws are unfolded, the too thin spring is easy to bend and break, and the elastic spring expands towards the middle due to the two ends, so that the middle supporting force of the elastic spring is large, and the motion stability of the movable jaws is improved.
The movable clamping jaw 8 is of a square block structure, arc angles are arranged at two ends of the square block, a spring groove 802 is symmetrically formed in the side face of the movable clamping jaw 8, a spring block 804 is embedded into the spring groove 802, one end of the spring block 804 extends out of one side of the movable clamping jaw 8, a spring 803 is installed at the other end of the spring block 804, the spring 803 is arranged in the spring groove 802, elastic force generated by the spring block is favorable for generating elastic pretightening force for the locking nut, and connection firmness of the locking nut is improved.
The inner wall of U-shaped mouth 11 is provided with dog 15, and dog 15 sets up to square piece, and the top of dog 15 has the oblique angle, and the both ends of dog 15 are fixed on the inner wall of U-shaped mouth 11, and the dog sets up in the opposite side of movable jack catch 8.
The side wall of the movable clamping jaw is provided with the spring block, the bottom of the spring block is provided with the spring, the spring block can stretch and retract, the movable clamping jaw is tightly attached to the inner wall of the locking groove through the spring block, and false locking caused by the fact that the movable clamping jaw is clamped is avoided.
Example 2
Referring to fig. 1-7 and fig. 9, another installation structure of a stainless steel pipe for facilitating installation and connection is shown, which includes: the steel pipe comprises steel pipe bodies 4, wherein the steel pipe bodies 4 are round pipes, the steel pipe bodies 4 are hollow pipes, through pipe cavities 3 are formed in the steel pipe bodies 4, the steel pipe bodies 4 are multiple, one end of each steel pipe body 4 is provided with a flange 1, the flanges 1 are outwards bent into a plate-shaped structure from the pipe orifice of the steel pipe body 4, and six locking holes 2 are uniformly distributed on the end faces of the flanges 1; the other end of the steel pipe body 4 is provided with a sleeve 403, the sleeve 403 is of a cylindrical structure, locking grooves 402 with the same number as the locking holes 2 are uniformly distributed in the sleeve 403, and two through round holes 401 are formed in two ends of each locking groove 402; the round hole 401 that sets up, when the lock nut of being convenient for unscrews, takes off connecting screw in the round hole that link up, improves the operation room ease when dismantling.
Wherein, a plurality of steel pipe bodies 4 end to end connect into stainless steel pipeline, the junction evenly distributed between two adjacent steel pipe bodies 4 has connecting bolt 5 locking connection, lock nut 6 is installed to connecting bolt 5's one end, be provided with packing ring 7 between lock nut 6 and packing ring and turn-ups 1's the contact surface, in order to improve lock nut 6's area of contact, improve lock nut 6's locking force, connecting bolt 5's the other end is provided with U-shaped mouth 11, it has movable jack catch 8 to articulate in the U-shaped mouth 11, connecting bolt 5's other end activity jack catch 8 passes locking hole 2 and stretches into in locking groove 402, the activity jack catch receives inside elasticity clockwork spring to support automatic the expansion, through lock nut from connecting bolt's one end locking can, reduce the loaded down with trivial details operation of both ends rotating nut simultaneously.
The movable clamping jaw at the other end of the connecting bolt penetrates through the locking hole and extends into the locking groove. The movable clamping jaw is automatically unfolded and is locked from one end of the connecting bolt through the locking nut, and the complex operation that the nuts are simultaneously rotated at two ends is reduced.
According to the invention, through round holes are formed at two ends of the locking groove, so that the connecting screw rod can be conveniently taken down from the through round holes when the locking nut is unscrewed, and the operation room easiness during disassembly is improved.
The movable clamping jaws arranged in the stainless steel pipe joint are hinged in the U-shaped opening and can swing for multiple times, and the locking nut and the connecting bolt lock can be frequently disassembled, so that the connecting bolt can be recycled, and the practicability of the stainless steel pipe is improved.
Counter bores 14 are symmetrically formed in two side walls of the U-shaped opening 11, a movable clamping jaw 8 is embedded into the U-shaped opening 11, convex columns 13 are symmetrically arranged on two sides of the movable clamping jaw 8, the convex columns 13 are embedded into the counter bores 14, and a spring lock catch 16 is arranged on the other side of the movable clamping jaw 8; among them, the spring catch 16 is convenient for connecting and fixing the elastic spring,
a spring fixing seat 10 is fixed at the bottom of the U-shaped opening 11, the spring fixing seat 10 is arranged to be of a square block structure, the spring fixing seat 10 is arranged at the middle position of the bottom of the U-shaped opening 11 and is arranged to be of an integral structure with the connecting bolt 5, and a spring connecting hole 17 is formed in the top end of the spring fixing seat 10; an elastic spring 12 is connected between the spring connecting hole 17 and the spring lock 16, and the elastic spring 12 is of a spiral rod structure with small two ends and large middle.
The elastic spring is of a spiral rod structure with small two ends and large middle, so that when the elastic spring bears axial pressure, the two ends of the elastic spring contract towards the middle, the elastic spring is prevented from being inclined due to the inclined force of the movable jaws when the movable jaws are unfolded, the elastic spring is in a completely unfolded state when the movable jaws are unfolded, the too thin spring is easy to bend and break, and the elastic spring expands towards the middle due to the two ends, so that the middle supporting force of the elastic spring is large, and the motion stability of the movable jaws is improved.
The movable clamping jaw 8 is of a square block structure, arc angles are arranged at two ends of the square block, a spring groove 802 is symmetrically formed in the side face of the movable clamping jaw 8, a spring block 804 is embedded into the spring groove 802, one end of the spring block 804 extends out of one side of the movable clamping jaw 8, a spring 803 is installed at the other end of the spring block 804, the spring 803 is arranged in the spring groove 802, elastic force generated by the spring block is favorable for generating elastic pretightening force for the locking nut, and connection firmness of the locking nut is improved.
The inner wall of U-shaped mouth 11 is provided with dog 15, and dog 15 sets up to square piece, and the top of dog 15 has the oblique angle, and the both ends of dog 15 are fixed on the inner wall of U-shaped mouth 11, and the dog sets up in the opposite side of movable jack catch 8.
The side wall of the movable clamping jaw is provided with the spring block, the bottom of the spring block is provided with the spring, the spring block can stretch and retract, the movable clamping jaw is tightly attached to the inner wall of the locking groove through the spring block, and false locking caused by the fact that the movable clamping jaw is clamped is avoided.
Example 3
Referring to fig. 1-7 and fig. 10, another installation structure of a stainless steel pipe for facilitating installation and connection is shown, which includes: the steel pipe comprises steel pipe bodies 4, wherein the steel pipe bodies 4 are square pipes, the steel pipe bodies 4 are hollow pipes, through pipe cavities 3 are formed in the steel pipe bodies 4, the steel pipe bodies 4 are multiple, one end of each steel pipe body 4 is provided with a flange 1, the flanges 1 are outwards bent into square plate structures from pipe orifices of the steel pipe bodies 4, and four locking holes 2 are uniformly distributed in the end faces of the flanges 1; the other end of the steel pipe body 4 is provided with a sleeve 403, the sleeve 403 is of a cylindrical structure, locking grooves 402 with the same number as the locking holes 2 are uniformly distributed in the sleeve 403, and two through round holes 401 are formed in two ends of each locking groove 402; the round hole 401 that sets up, when the lock nut of being convenient for unscrews, takes off connecting screw in the round hole that link up, improves the operation room ease when dismantling.
Wherein, a plurality of steel pipe bodies 4 end to end connect into stainless steel pipeline, the junction evenly distributed between two adjacent steel pipe bodies 4 has connecting bolt 5 locking connection, lock nut 6 is installed to connecting bolt 5's one end, be provided with packing ring 7 between lock nut 6 and packing ring and turn-ups 1's the contact surface, in order to improve lock nut 6's area of contact, improve lock nut 6's locking force, connecting bolt 5's the other end is provided with U-shaped mouth 11, it has movable jack catch 8 to articulate in the U-shaped mouth 11, connecting bolt 5's other end activity jack catch 8 passes locking hole 2 and stretches into in locking groove 402, the activity jack catch receives inside elasticity clockwork spring to support automatic the expansion, through lock nut from connecting bolt's one end locking can, reduce the loaded down with trivial details operation of both ends rotating nut simultaneously.
The movable clamping jaw at the other end of the connecting bolt penetrates through the locking hole and extends into the locking groove. The movable clamping jaw is automatically unfolded and is locked from one end of the connecting bolt through the locking nut, and the complex operation that the nuts are simultaneously rotated at two ends is reduced.
According to the invention, through round holes are formed at two ends of the locking groove, so that the connecting screw rod can be conveniently taken down from the through round holes when the locking nut is unscrewed, and the operation room easiness during disassembly is improved.
The movable clamping jaws arranged in the stainless steel pipe joint are hinged in the U-shaped opening and can swing for multiple times, and the locking nut and the connecting bolt lock can be frequently disassembled, so that the connecting bolt can be recycled, and the practicability of the stainless steel pipe is improved.
Counter bores 14 are symmetrically formed in two side walls of the U-shaped opening 11, a movable clamping jaw 8 is embedded into the U-shaped opening 11, convex columns 13 are symmetrically arranged on two sides of the movable clamping jaw 8, the convex columns 13 are embedded into the counter bores 14, and a spring lock catch 16 is arranged on the other side of the movable clamping jaw 8; among them, the spring catch 16 is convenient for connecting and fixing the elastic spring,
a spring fixing seat 10 is fixed at the bottom of the U-shaped opening 11, the spring fixing seat 10 is arranged to be of a square block structure, the spring fixing seat 10 is arranged at the middle position of the bottom of the U-shaped opening 11 and is arranged to be of an integral structure with the connecting bolt 5, and a spring connecting hole 17 is formed in the top end of the spring fixing seat 10; an elastic spring 12 is connected between the spring connecting hole 17 and the spring lock 16, and the elastic spring 12 is of a spiral rod structure with small two ends and large middle.
The elastic spring is of a spiral rod structure with small two ends and large middle, so that when the elastic spring bears axial pressure, the two ends of the elastic spring contract towards the middle, the elastic spring is prevented from being inclined due to the inclined force of the movable jaws when the movable jaws are unfolded, the elastic spring is in a completely unfolded state when the movable jaws are unfolded, the too thin spring is easy to bend and break, and the elastic spring expands towards the middle due to the two ends, so that the middle supporting force of the elastic spring is large, and the motion stability of the movable jaws is improved.
The movable clamping jaw 8 is of a square block structure, arc angles are arranged at two ends of the square block, a spring groove 802 is symmetrically formed in the side face of the movable clamping jaw 8, a spring block 804 is embedded into the spring groove 802, one end of the spring block 804 extends out of one side of the movable clamping jaw 8, a spring 803 is installed at the other end of the spring block 804, the spring 803 is arranged in the spring groove 802, elastic force generated by the spring block is favorable for generating elastic pretightening force for the locking nut, and connection firmness of the locking nut is improved.
The inner wall of U-shaped mouth 11 is provided with dog 15, and dog 15 sets up to square piece, and the top of dog 15 has the oblique angle, and the both ends of dog 15 are fixed on the inner wall of U-shaped mouth 11, and the dog sets up in the opposite side of movable jack catch 8.
The side wall of the movable clamping jaw is provided with the spring block, the bottom of the spring block is provided with the spring, the spring block can stretch and retract, the movable clamping jaw is tightly attached to the inner wall of the locking groove through the spring block, and false locking caused by the fact that the movable clamping jaw is clamped is avoided.
The working principle is as follows: when the stainless steel pipe convenient to mount and connect is used, firstly, the flanges 1 of the two adjacent steel pipe bodies 4 are connected with the sleeve pipe 403, secondly, the U-shaped opening 11 at the other end of the connecting bolt 5 extends into the locking groove 402 from the locking hole 2, then, one end of the connecting bolt 5 is locked and fixed through the locking nut 6, and the stainless steel pipe convenient to mount and connect can be connected in sequence.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A stainless steel pipe for facilitating installation connections, comprising: steel pipe body (4), its characterized in that: the steel pipe bodies (4) are hollow pipes, and the number of the steel pipe bodies (4) is multiple;
one end of each steel pipe body (4) is provided with a flanging (1), the flanging (1) is outwards bent into a plate-shaped structure from the pipe orifice of the steel pipe body (4), and locking holes (2) are uniformly distributed at two ends of the flanging (1);
the other end of the steel pipe body (4) is provided with a sleeve pipe (403), locking grooves (402) with the same number as the locking holes (2) are uniformly distributed in the sleeve pipe (403), and two ends of each locking groove (402) are provided with through round holes (401);
the steel pipe comprises a plurality of steel pipe bodies (4), wherein the steel pipe bodies (4) are connected end to form a stainless steel pipeline, a connecting bolt (5) is arranged at the joint between every two adjacent steel pipe bodies (4) for locking, a locking nut (6) is arranged at one end of the connecting bolt (5), a U-shaped opening (11) is formed in the other end of the connecting bolt (5), a movable clamping jaw (8) is hinged in the U-shaped opening (11), and the movable clamping jaw (8) at the other end of the connecting bolt (5) penetrates through a locking hole (2) and extends into a locking groove (402);
counter bores (14) are symmetrically formed in two side walls of the U-shaped opening (11), a movable clamping jaw (8) is embedded into the U-shaped opening (11), convex columns (13) are symmetrically arranged on two sides of the movable clamping jaw (8), the convex columns (13) are embedded into the counter bores (14), and a spring lock catch (16) is arranged on the other side of the movable clamping jaw (8);
a spring fixing seat (10) is fixed at the bottom of the U-shaped opening (11), the spring fixing seat (10) is arranged in the middle of the bottom of the U-shaped opening (11) and is integrated with the connecting bolt (5), and a spring connecting hole (17) is formed in the top end of the spring fixing seat (10);
an elastic spring (12) is connected between the spring connecting hole (17) and the spring lock catch (16), and the elastic spring (12) is of a spiral rod structure with small two ends and large middle.
2. A stainless steel tube for easy installation and connection according to claim 1, wherein: the movable clamping jaw (8) comprises a spring block (804), a spring groove (802) is symmetrically formed in the side face of the movable clamping jaw (8), the spring block (804) is embedded into the spring groove (802), one end of the spring block (804) stretches out of one side of the movable clamping jaw (8), a spring (803) is installed at the other end of the spring block (804), and the spring (803) is arranged in the spring groove (802).
3. A stainless steel tube for easy installation and connection according to claim 1, wherein: the inner wall of the U-shaped opening (11) is provided with a stop block (15), the stop block (15) is arranged to be a square block, the top of the stop block (15) is provided with an oblique angle, two ends of the stop block (15) are fixed on the inner wall of the U-shaped opening (11), and the stop block is arranged on the other side of the movable clamping jaw (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910819627.2A CN110500457B (en) | 2019-08-31 | 2019-08-31 | Stainless steel pipe convenient to erection joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910819627.2A CN110500457B (en) | 2019-08-31 | 2019-08-31 | Stainless steel pipe convenient to erection joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110500457A CN110500457A (en) | 2019-11-26 |
| CN110500457B true CN110500457B (en) | 2021-02-09 |
Family
ID=68590807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910819627.2A Expired - Fee Related CN110500457B (en) | 2019-08-31 | 2019-08-31 | Stainless steel pipe convenient to erection joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110500457B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4432683A (en) * | 1980-04-28 | 1984-02-21 | Polos Constantine D | Toggle bolt assembly |
| JPH11311229A (en) * | 1998-04-24 | 1999-11-09 | Nec Eng Ltd | Threaded pin |
| JP2005061490A (en) * | 2003-08-11 | 2005-03-10 | Sanko Techno Co Ltd | Mounting bracket for hollow structure |
| CN201636464U (en) * | 2010-03-23 | 2010-11-17 | 上海锐迈重工有限公司 | Compact flange |
| CN202851560U (en) * | 2012-09-30 | 2013-04-03 | 成都飞机工业（集团）有限责任公司 | Quick-dismantling safe plug pin |
| CN203051406U (en) * | 2012-11-25 | 2013-07-10 | 安徽六方重联机械股份有限公司 | Pre-tightening anti-linkage bolt |
| CN209083769U (en) * | 2018-09-28 | 2019-07-09 | 上海京扬紧固件有限公司 | A kind of not de- screw assemblies of pine |
| JP6546471B2 (en) * | 2015-05-28 | 2019-07-17 | 俊明 前田 | Anchor bolt |
-
2019
- 2019-08-31 CN CN201910819627.2A patent/CN110500457B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4432683A (en) * | 1980-04-28 | 1984-02-21 | Polos Constantine D | Toggle bolt assembly |
| JPH11311229A (en) * | 1998-04-24 | 1999-11-09 | Nec Eng Ltd | Threaded pin |
| JP2005061490A (en) * | 2003-08-11 | 2005-03-10 | Sanko Techno Co Ltd | Mounting bracket for hollow structure |
| CN201636464U (en) * | 2010-03-23 | 2010-11-17 | 上海锐迈重工有限公司 | Compact flange |
| CN202851560U (en) * | 2012-09-30 | 2013-04-03 | 成都飞机工业（集团）有限责任公司 | Quick-dismantling safe plug pin |
| CN203051406U (en) * | 2012-11-25 | 2013-07-10 | 安徽六方重联机械股份有限公司 | Pre-tightening anti-linkage bolt |
| JP6546471B2 (en) * | 2015-05-28 | 2019-07-17 | 俊明 前田 | Anchor bolt |
| CN209083769U (en) * | 2018-09-28 | 2019-07-09 | 上海京扬紧固件有限公司 | A kind of not de- screw assemblies of pine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110500457A (en) | 2019-11-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2016197597A1 (en) | Connecting piece for connecting two objects and prefabricated member connected using connecting piece | |
| JP2006189150A (en) | Multivalent section for making frames, supports, supporting structures and the like | |
| JPS63308206A (en) | Connector for frame structure assembling rod material | |
| CN108571507B (en) | Deformation shrinkage self-recovery split type unilateral bolt fastener with cambered surface | |
| KR101708477B1 (en) | Reinforcing rod a coupling device | |
| CN110500457B (en) | Stainless steel pipe convenient to erection joint | |
| CN106224342A (en) | A kind of split nested type taper bolt securing member | |
| CN108547844B (en) | Sectional type unilateral bolt fastener | |
| CN110936327A (en) | Thimble position adjustable unilateral bolt fastener mounting tool | |
| CN111015566B (en) | Plate-shaped bending type split unilateral bolt fastener mounting tool | |
| CN112460373B (en) | Ship pipeline orifice sealing device and using method thereof | |
| CN211517278U (en) | Support arrangement for pressure vessel processing usefulness | |
| CN109869386A (en) | A kind of connection inserted link, jointing device and prestressing force prefabricated component | |
| JP2021073393A (en) | Three-dimensional structure | |
| CN101474465A (en) | Trough type mechanical joint fireplug and method for connecting fireplug and water inlet pipe | |
| CN220286679U (en) | Hydraulic pipe joint | |
| KR20100120445A (en) | Hexagonal Pipe End Connections | |
| CN218455052U (en) | Fast and easy plugging metal joint assembly of paint liquid hose of spraying robot | |
| CN217421786U (en) | High strength inflation formula crab-bolt | |
| CN108571506A (en) | A kind of overturning deformation type unilateral bolt fastener equipped with transverse incision | |
| US20190024363A1 (en) | Coupling Connector and Geodome Frame Made Therewith | |
| RU61311U1 (en) | ASSEMBLY ROD ELEMENT | |
| CN216201386U (en) | Can prevent to rotate and stainless steel pipe connecting piece of convenient connection or dismantlement | |
| CN220453032U (en) | Corrugated pipe joint | |
| CN210316508U (en) | Scaffold connecting piece |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210121 Address after: Room 03, 9 / F, building 7 (B building), Huanglong International Center, 77 Xueyuan Road, Xihu District, Hangzhou City, Zhejiang Province, 310012 Applicant after: Hangzhou Ganggu Pipe Co.,Ltd. Address before: 231600 Hefei Donghao metal products Co., Ltd., No. 82, Yanhe West Road, Dianbu Town, Feidong County, Hefei City, Anhui Province Applicant before: Wang Haoyu |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210209 Termination date: 20210831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |