CN112228637A

CN112228637A - Thin-wall stainless steel pipe fitting

Info

Publication number: CN112228637A
Application number: CN202011113466.4A
Authority: CN
Inventors: 王浩宇; 龚定军
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-17
Filing date: 2020-10-17
Publication date: 2021-01-15

Abstract

The invention discloses a thin-wall stainless steel pipe fitting which comprises a pipeline, a tightening groove, a hoisting tightening unit, a bearing unit and a connecting unit. The clamp pipe fitting can solve the following problems in the concrete construction of the existing thin-wall stainless steel pipe fitting, namely, the clamp pipe fitting for hoisting the existing thin-wall stainless steel pipe installed in a hoisting mode can not reliably fix the stainless steel pipe, and the clamp pipe fitting is easy to damage and fall off due to overlarge gravity when the thin-wall stainless steel pipe passes through water; the thin-wall stainless steel pipe installed in the existing hoisting mode has poor bearing capacity, and the middle part of the thin-wall stainless steel pipe cannot bear the bending of the pipeline when water is introduced. The invention can more reliably fix the thin-wall stainless steel pipe and prevent the thin-wall stainless steel pipe from falling off easily, and can also effectively prevent the pipeline from bending due to pressure.

Description

Thin-wall stainless steel pipe fitting

Technical Field

The invention relates to the technical field of thin-wall stainless steel pipes, in particular to a thin-wall stainless steel pipe.

Background

The thin-walled stainless steel pipe is a stainless steel pipe with a ratio of wall thickness to outer diameter of not more than 6%. The stainless steel pipe has high strength, strong corrosion resistance, good toughness, excellent vibration impact resistance and shock resistance, does not become brittle at low temperature, can ensure the purity of water quality of water delivery in the water delivery process, is durable and can be recycled as a decorative material. With the implementation of the national reform open policy, the national economy is rapidly increased, and a large number of urban residences, public buildings and tourism facilities are built, thereby providing new requirements for hot water supply and domestic water supply. Especially for water quality, people pay more and more attention to and demand for the water quality is continuously improved. The galvanized steel pipe is a common pipe which is easy to corrode and gradually exits from a historical stage under the influence of relevant national policies, and the plastic pipe, the composite pipe and the copper pipe form the common pipe of a pipeline system. However, in many cases, stainless steel pipes are more advantageous, and particularly, thin-walled stainless steel pipes with a wall thickness of only 0.6-1.2 mm have the characteristics of safety, reliability, sanitation, environmental protection, economy, applicability and the like in high-quality drinking water systems, hot water systems and water supply systems with safety and sanitation placed at the head. The pipe material has been proved by domestic and foreign engineering practice to be one of novel, energy-saving and environment-friendly pipe materials with the best comprehensive performance of a water supply system, is also a competitive water supply pipe material, and has incomparable effects on improving water quality and improving the living standard of people. The use of a large amount of thin-wall stainless steel pipes leads to the increasing variety of the pipes and fittings, and various problems can be caused during actual construction to be solved.

The clamp pipe fitting for hoisting the thin-wall stainless steel pipe installed in the hoisting mode cannot reliably fix the stainless steel pipe, and the clamp pipe fitting is easy to damage and fall off due to overlarge gravity when the stainless steel pipe enters water; the thin-wall stainless steel pipe installed in the existing hoisting mode has poor bearing capacity, and the middle part of the thin-wall stainless steel pipe cannot bear the bending of the pipeline when water is introduced.

Disclosure of Invention

In order to solve the above problems, the present invention provides a thin-walled stainless steel pipe fitting that can solve the problems set forth in the background art.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: the utility model provides a thin wall stainless steel pipe fitting, includes pipeline, cramp groove, hoist and mount cramp unit, bearing unit and linkage unit, the pipeline is thin wall stainless steel pipe, and there is the sunken cramp groove in the pipeline on the outer wall that the pipeline is close to both ends, and the hoist and mount unit is installed on the pipeline even section and with the position that cramp the groove and correspond, and the bearing unit is installed at hoist and mount cramp unit downside, and linkage unit installs and is used for two pipeline interconnect at the pipeline both ends, wherein:

the hoisting tightening unit comprises an annular clamp, a first locking hole, a locking mechanism and a hoisting frame, the annular clamp is sleeved in the tightening groove, the first locking hole is formed in each of two ends of the annular clamp, and the two ends of the annular clamp are connected through the locking mechanism;

the locking mechanism comprises a first mounting block, a first mounting groove, a T-shaped sliding block, a clamping block, a second locking hole, a third locking hole, a first threaded hole, a connecting groove, a threaded push rod, a hexagonal screwing block and a fixed pin, wherein the lower end surface of the first mounting block is provided with the first mounting groove, the bottom of the first mounting groove is provided with the T-shaped sliding groove, the left side and the right side in the T-shaped sliding groove are provided with the two T-shaped sliding blocks in a sliding manner, the lower end surface of the T-shaped sliding block is provided with the clamping block which is of a 21274with a downward opening, the lower side of the clamping block is provided with the second locking hole which penetrates through, the inner wall of the first mounting groove at the position corresponding to the second locking hole is provided with the third locking hole, the outer wall of the first mounting block at the upper side of the third locking hole is provided with the first threaded hole, the side, the threaded push rod is screwed in the first threaded hole, one end of the threaded push rod is rotatably connected in the connecting groove, a protrusion matched with the groove is arranged on the outer wall of one end of the threaded push rod in the connecting groove, so that the end part of the threaded push rod is limited in the connecting groove, the other end of the threaded push rod is provided with a hexagonal screwing block, and the fixing pin penetrates through the first locking hole, the second locking hole and the third locking hole;

the bearing unit comprises a second mounting block, a second mounting groove, a first telescopic hole, a fixing groove, a second telescopic hole, a pressing plate, a top extension spring, a locking block, a pushing rod, a bearing plate and a locking groove, wherein the second mounting block is mounted at the lower side of the annular clamp, the second mounting groove is formed in the upper side of the second mounting block, the first telescopic hole communicated with the lower side wall of the mounting block is formed in the middle of the lower side of the second mounting groove, the fixing groove is formed in the left side wall and the right side wall of the mounting block, the second telescopic hole communicated with the fixing groove is formed between the second mounting groove and the fixing groove, the pressing plate is arranged in the second mounting groove in a sliding manner, the top extension spring is mounted between the left side and the right side of the upper end face of the pressing plate and the second mounting groove, the locking block is arranged on the pressing plate at a position corresponding to the second telescopic hole, the locking block is in, the catch bar other end is provided with the protection piece, and the bearing board has seted up the locking groove near the up end at both ends, and in the bearing board tip joined in marriage and stretched into the fixed slot, and the latch segment cooperation locking groove will bear the board tip locking in the fixed slot.

According to a preferred technical scheme, the hoisting frame comprises a fixed block, a second threaded hole, a hoisting rod, a hoisting plate and mounting holes, the fixed block is mounted on the upper end face of the first mounting block, the second threaded hole is formed in the upper end face of the fixed block, one end of the hoisting rod is screwed in the second threaded hole through threads, the other end of the hoisting rod is mounted in the middle of the hoisting plate, the hoisting plate is a rectangular plate, and the mounting holes are formed in four corners of the hoisting plate.

As a preferred technical scheme of the invention, the upper end surface of the bearing plate is provided with a supporting block, and the upper end of the supporting block is an arc-shaped groove matched with the pipeline.

As a preferred technical scheme of the invention, the connecting unit comprises an annular clamping block, an annular groove and an internal thread ring, wherein the annular groove is formed in one side of the annular clamping block, the annular clamping block is installed at the end part of the pipeline through the annular groove, the outer wall of the annular clamping block is provided with a thread structure, and when the two pipelines are connected, the two pipelines are connected with each other through the annular clamping block in a threaded mode.

As a preferred technical scheme of the invention, the inner wall of the annular groove is lined with a rubber lining, and one side of the annular clamping block, which is far away from the annular groove, is provided with a rubber gasket.

The invention has the beneficial effects that:

1. the clamp pipe fitting can solve the following problems in the concrete construction of the existing thin-wall stainless steel pipe fitting, namely, the clamp pipe fitting for hoisting the existing thin-wall stainless steel pipe installed in a hoisting mode can not reliably fix the stainless steel pipe, and the clamp pipe fitting is easy to damage and fall off due to overlarge gravity when the thin-wall stainless steel pipe passes through water; the thin-wall stainless steel pipe installed in the existing hoisting mode has poor bearing capacity, and the middle part of the thin-wall stainless steel pipe cannot bear the bending of the pipeline when water is introduced. The invention can more reliably fix the thin-wall stainless steel pipe and prevent the thin-wall stainless steel pipe from falling off easily, and can also effectively prevent the pipeline from bending due to pressure.

2. The annular hoop in the hoisting and hooping unit designed by the invention can be matched with the hooping groove on the pipeline to prevent the annular hoop from sliding on the pipeline.

3. According to the locking mechanism designed by the invention, the hexagonal screwing block is screwed to enable the threaded push rod to push the clamping block to move relatively, the clamping block can move relatively to control the annular clamping hoop to tighten by driving two ends of the annular clamping hoop, so that a pipeline is effectively fixed, and the threaded push rod and the first threaded hole are not easy to damage, so that the fixing effect of the hoisting and clamping unit on the pipeline is more reliable.

4. The bearing unit provided by the invention can effectively prevent the pipeline from bending due to pressure by bearing the middle part of the pipeline through the bearing plate and the supporting block.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 in accordance with the present invention;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1 in accordance with the present invention;

FIG. 4 is an enlarged view of a portion of the invention at C of FIG. 3;

FIG. 5 is an enlarged view of a portion of the invention at D of FIG. 1;

FIG. 6 is an enlarged view of a portion of the invention at E of FIG. 1;

fig. 7 is a schematic structural view of the hoisting plate of the present invention.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to 1-7, a thin wall stainless steel pipe fitting, including pipeline 1, cramp groove 2, hoist and mount cramp unit 3, bearing unit 4 and coupling unit 5, pipeline 1 is thin wall stainless steel pipe, and pipeline 1 is close to on the outer wall at both ends to the sunken cramp groove 2 in pipeline 1, and the hoist and mount unit is installed on pipeline 1 even section and the position that corresponds with cramp groove 2, and bearing unit 4 is installed at hoist and mount cramp unit 3 downside, and coupling unit 5 is installed and is used for 1 interconnect of two pipelines at 1 both ends of pipeline, wherein:

the hoisting tightening unit 3 comprises an annular hoop 31, a first locking hole 32, a locking mechanism 33 and a hoisting frame 34, wherein the annular hoop 31 is sleeved in the tightening groove 2, the first locking hole 32 is formed in each of two ends of the annular hoop 31, and the two ends of the annular hoop 31 are connected through the locking mechanism 33;

the hoisting frame 34 comprises a fixing block 341, a second threaded hole 342, a hoisting rod 343, a hoisting plate 344 and mounting holes 345, the fixing block 341 is mounted on the upper end face of the first mounting block 331, the second threaded hole 342 is formed in the upper end face of the fixing block 341, one end of the hoisting rod 343 is screwed in the second threaded hole 342 through threads, the other end of the hoisting rod 343 is mounted in the middle of the hoisting plate 344, the hoisting plate 344 is a rectangular plate, and the mounting holes 345 are formed in four corners of the hoisting plate 344.

In operation, the hoisting plate 344 is installed on the top of the wall by using an expansion screw inserted into the installation hole 345 or other tools, and the hoisting rod 343 is screwed into the second threaded hole 342 of the fixed block 341 so that the locking mechanism 33 is fixedly hoisted.

The bearing unit 4 comprises a second mounting block 41, a second mounting groove 42, a first telescopic hole 43, a fixing groove 44, a second telescopic hole 45, a pressing plate 46, a top extension spring 47, a locking block 48, a push rod 49, a bearing plate 410 and a locking groove 411, the second mounting block 41 is mounted at the lower side of the annular clamp 31, the second mounting groove 42 is formed in the upper side of the second mounting block 41, the first telescopic hole 43 communicated with the lower side wall of the mounting block is formed in the middle of the lower side of the second mounting groove 42, the fixing groove 44 is formed in the left side wall and the right side wall of the mounting block, a second telescopic hole 45 communicated with each other is formed between the second mounting groove 42 and the fixing groove 44, the pressing plate 46 is slidably arranged in the second mounting groove 42, the top extension spring 47 is mounted between the left side and the right side of the upper end face of the pressing plate 46 and the second mounting groove 42, the locking block 48 is arranged on the pressing plate 46 at the position corresponding to the second, a push rod 49 penetrates through the first telescopic hole 43, one end of the push rod 49 is connected to the pressing plate 46, a protection block is arranged at the other end of the push rod 49, a locking groove 411 is formed in the upper end face, close to two ends, of the bearing plate 410, the end portion of the bearing plate 410 is matched and extends into the fixing groove 44, the locking block 48 is matched with the locking groove 411 to lock the end portion of the bearing plate 410 in the fixing groove 44, a supporting block 412 is arranged on the upper end face of the bearing plate 410, and an arc-shaped groove matched with the pipeline 1 is formed in the upper end of the supporting.

During specific work, the push rod 49 is manually pressed, the push rod 49 drives the pressing plate 46 to move towards the upper side of the second mounting groove 42, the jacking spring 47 is compressed by the pressing plate 46, the locking block 48 is driven by the pressing plate 46 to move upwards, the locking block 48 is made to exit from the fixing groove 44, the two ends of the bearing plate 410 are made to extend into the fixing groove 44, the push rod 49 is loosened to make the locking block 48 move downwards, the locking block 48 enters the locking grooves 411 at the two ends of the bearing plate 410, and the bearing plate 410 is fixed between the two bearing units 4.

The locking mechanism 33 comprises a first mounting block 331, a first mounting groove 332, a T-shaped sliding groove 333, a T-shaped sliding block 334, a clamping block 335, a second locking hole 336, a third locking hole 337, a first threaded hole 338, a connecting groove 339, a threaded push rod 3310, a hexagonal screwing block 3311 and a fixing pin 3312, wherein the lower end surface of the first mounting block 331 is provided with the first mounting groove 332, the bottom of the first mounting groove 332 is provided with the T-shaped sliding groove 333, the left side and the right side in the T-shaped sliding groove 333 are provided with the two T-shaped sliding blocks 334 in a sliding manner, the lower end surface of the T-shaped sliding block 334 is provided with the clamping block 335, the clamping block 335 is of a downward opening ' plit's 21274 ', the lower side of the clamping block 335 is provided with the second locking hole 336, the inner wall of the first mounting groove 332 at the position corresponding to the second locking hole 336 is provided with the third locking hole 337, the outer wall of the first mounting block 331 at the upper side of the third, the connecting groove 339 is circular, a groove for limiting is formed in the inner wall of the connecting groove 339, the threaded push rod 3310 is screwed in the first threaded hole 338, one end of the threaded push rod 3310 is rotatably connected in the connecting groove 339, a protrusion matched with the groove is arranged on the outer wall of one end of the threaded push rod 3310 in the connecting groove 339, the end of the threaded push rod 3310 is limited in the connecting groove 339, a hexagonal screwing block 3311 is arranged at the other end of the threaded push rod 3310, and a fixing pin 3312 penetrates through the first locking hole 32, the second locking hole 336 and the third locking hole 337;

during specific work, the pipeline 1 is correspondingly inserted into the annular clamp 31, so that two ends of the pipeline 1 are matched with the clamping grooves 2, the pipeline 1 and the annular clamp 31 are lifted by other tools or equipment, two ends of the annular clamp 31 are respectively inserted into the 21274of the clamping block 335, in the structure, the fixing pin 3312 is inserted through the first locking hole 32, the second locking hole 336 and the third locking hole 337 so that the annular clamp 31 is fixed on the locking mechanism 33, the pipeline is hoisted by the annular clamp 31, the hexagonal screwing block 3311 is manually screwed so that the threaded push rod 3310 rotates in the first threaded hole 338 and moves towards the middle of the first mounting groove 332, so that the two clamping blocks 335 are pushed by the threaded push rod 3310 to move towards the middle of the first mounting groove relatively, the clamping block 335 drives two ends of the annular clamp 31 to tighten the annular clamp 31 so as to fix the pipeline 1, and the middle of the pipeline 1 is supported by the supporting block 412.

The connecting unit 5 comprises an annular clamping block 51, an annular groove 52 and an internal thread ring 53, the annular groove 52 is formed in one side of the annular clamping block 51, the annular clamping block 51 is installed at the end part of the pipeline 1 through the annular groove 52, the outer wall of the annular clamping block 51 is provided with a thread structure, the two pipelines 1 are connected through the annular clamping block 51 in a screwed mode and on two sides of the internal thread ring 53, the two pipelines 1 are mutually connected, the inner wall of the annular groove 52 is lined with a rubber lining 521, and one side, away from the annular groove 52, of the annular clamping block 51 is provided with.

When in work:

the first step is as follows: installing the hoisting frame 34 at a proper position in cooperation with the pipeline 1;

the second step is that: the locking mechanism 33 is arranged on the hoisting frame 34;

the third step: the supporting unit 4 is installed;

the fourth step: the pipe 1 is mounted between the annular clamps 31 on the upper side of the bearing unit 4;

the fifth step: the lifting pipeline 1 drives two ends of the annular hoop 31 to be correspondingly arranged in the locking mechanism 33;

and a sixth step: the pipe 1 is fixed by tightening the ring clamp 31 by the locking mechanism 33.

The female snap-in block 51 and the female threaded ring 53 are installed at the ends of the pipes 1 as needed when two pipes 1 are to be connected to each other.

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

1. The utility model provides a thin wall stainless steel pipe fitting, includes pipeline (1), cramp groove (2), hoist and mount cramp unit (3), bearing unit (4) and coupling unit (5), pipeline (1) is thin wall stainless steel pipe, and pipeline (1) is close to on the outer wall at both ends to the sunken cramp groove (2) in pipeline (1), and the hoist and mount unit is installed on pipeline (1) even section and the position that corresponds with cramp groove (2), and bearing unit (4) are installed and are being hoisted and cramp unit (3) downside, and coupling unit (5) are installed and are used for two pipeline (1) interconnect at pipeline (1) both ends, wherein:

the hoisting tightening unit (3) comprises an annular clamp (31), a first locking hole (32), a locking mechanism (33) and a hoisting frame (34), the annular clamp (31) is sleeved in the tightening groove (2), the first locking hole (32) is formed in each of two ends of the annular clamp (31), and the two ends of the annular clamp (31) are connected through the locking mechanism (33);

the locking mechanism (33) comprises a first mounting block (331), a first mounting groove (332), a T-shaped sliding groove (333), a T-shaped sliding block (334), a clamping block (335), a second locking hole (336), a third locking hole (337), a first threaded hole (338), a connecting groove (339), a threaded push rod (3310), a hexagonal screwing block (3311) and a fixing pin (3312), wherein the first mounting groove (332) is formed in the lower end surface of the first mounting block (331), the T-shaped sliding groove (333) is formed in the bottom of the first mounting groove (332), two T-shaped sliding blocks (334) are arranged on the left side and the right side in the T-shaped sliding groove (333) in a sliding mode, the clamping block (335) is arranged on the lower end surface of the T-shaped sliding block (334), the clamping block (335) is a reversed-opening-down v-21274; shaped structure, the second locking hole (336) penetrates through the lower side of the clamping block (335), and the third locking hole (337) is formed in the, a first threaded hole (338) is formed in the outer wall of a first mounting block (331) on the upper side of a third locking hole (337), a connecting groove (339) is formed in the side wall of a clamping block (335) at a position corresponding to the first threaded hole (338), the connecting groove (339) is circular, a groove for limiting is formed in the inner wall of the connecting groove (339), a threaded push rod (3310) is screwed in the first threaded hole (338), one end of the threaded push rod (3310) is rotatably connected in the connecting groove (339), a protrusion matched with the groove is formed in the outer wall of one end of the threaded push rod (3310) in the connecting groove (339), the end of the threaded push rod (3310) is limited in the connecting groove (339), a hexagonal screwing block (3311) is installed at the other end of the threaded push rod (3310), and a first locking hole (32), a second locking hole (336) and a third locking hole (337) are formed in a fixing pin;

the bearing unit (4) comprises a second mounting block (41), a second mounting groove (42), a first telescopic hole (43), a fixing groove (44), a second telescopic hole (45), a pressing plate (46), a top extension spring (47), a locking block (48), a push rod (49), a bearing plate (410) and a locking groove (411), the second mounting block (41) is mounted on the lower side of the annular clamp (31), the second mounting groove (42) is formed in the upper side of the second mounting block (41), the first telescopic hole (43) communicated with the lower side wall of the mounting block is formed in the middle of the lower side of the second mounting groove (42), the fixing groove (44) is formed in the left side wall and the right side wall of the mounting block, the second telescopic hole (45) communicated with each other is formed between the second mounting groove (42) and the fixing groove (44), the pressing plate (46) is arranged in the second mounting groove (42) in a sliding mode, the top extension spring (47) is mounted between the left side and the right side of the upper end face of the, be provided with latch segment (48) on clamp plate (46) with No. two telescopic holes (45) corresponding position, latch segment (48) and No. two telescopic holes (45) sliding fit, wear to be equipped with catch bar (49) in No. one telescopic hole (43), catch bar (49) one end is connected on clamp plate (46), the catch bar (49) other end is provided with the protection piece, bearing board (410) are close to the up end at both ends and have been seted up locking groove (411), bearing board (410) tip is joined in marriage and is stretched into in fixed slot (44), and latch segment (48) cooperation locking groove (411) are with bearing board (410) tip locking in fixed slot (44).

2. The thin-walled stainless steel tubing of claim 1, wherein: hoisting frame (34) are including fixed block (341), No. two screw holes (342), hoist and mount pole (343), hoisting plate (344) and mounting hole (345), the up end at an installation piece (331) is installed in fixed block (341), No. two screw holes (342) have been seted up to the up end of fixed block (341), hoisting rod (343) one end is passed through the screw thread spiro union in No. two screw holes (342), the middle part position at hoisting plate (344) is installed to the other end of hoist and mount pole (343), hoisting plate (344) are the rectangular plate, mounting hole (345) have all been seted up to four corners of hoisting plate (344).

3. The thin-walled stainless steel tubing of claim 1, wherein: the upper end surface of the supporting plate (410) is provided with a supporting block (412), and the upper end of the supporting block (412) is an arc-shaped groove matched with the pipeline (1).

4. The thin-walled stainless steel tubing of claim 1, wherein: the connecting unit (5) comprises an annular clamping block (51), an annular groove (52) and an internal thread ring (53), the annular groove (52) is formed in one side of the annular clamping block (51), the annular clamping block (51) is installed at the end of the pipeline (1) through the annular groove (52), the outer wall of the annular clamping block (51) is provided with a thread structure, and the two pipelines (1) are connected through the two sides of the internal thread ring (53) in the annular clamping block (51) in a threaded mode, so that the two pipelines (1) are connected with each other.

5. The thin-walled stainless steel pipe fitting of claim 4, wherein: the inner wall of the annular groove (52) is lined with a rubber lining (521), and one side, away from the annular groove (52), of the annular clamping block (51) is provided with a rubber gasket (511).