CN214274789U - Steel pipe with clamping assembly - Google Patents

Abstract

The utility model relates to a steel pipe, especially, relate to a steel pipe with joint subassembly, it includes first steel pipe, the second steel pipe, first steel pipe and the coaxial setting of second steel pipe, the fixed cover of tip that first steel pipe is close to the second steel pipe is equipped with the go-between, the fixed cover of tip that the second steel pipe is close to first steel pipe is equipped with the joint ring, be equipped with the joint subassembly that is used for joint go-between and joint ring on the first steel pipe, the joint subassembly includes two joint spares, the joint spare is the semicircle arcuation, one side of two joint spare indents is and sets up in opposite directions, open one side of joint spare indent has the inserting groove, go-between and joint ring all with the inserting groove cooperation of pegging graft, the joint spare slides and connects on first steel pipe, be equipped with the locking subassembly that is used for locking joint spare on the first steel pipe. This application has and connects the joint subassembly on the steel pipe to reduce the effect that the possibility that the joint subassembly is lost.

Description

Steel pipe with clamping assembly

Technical Field

The application relates to a steel pipe, especially relates to a steel pipe with joint assembly.

Background

Steel pipe is a hollow, long, steel material used in large quantities as pipes for transporting fluids, such as oil, gas, water, gas, steam, etc. Steel pipes can be divided into two main categories according to production methods: seamless steel pipes and slotted steel pipes. The seamless steel pipe can be divided into the following parts according to the production method: hot rolling seamless pipes, cold drawn pipes, precision steel pipes, hot expanded pipes, cold spun pipes, extruded pipes, and the like. The seamless steel pipe can be used for liquid and gas pressure pipelines, gas pipelines and the like in various industries. The welded pipeline can be used for water pipelines, gas pipelines, heating pipelines, electric appliance pipelines and the like.

At present, chinese patent with publication number CN207555026U discloses a seamless steel pipe for conveying fluid convenient to connect, including body and connecting portion, be equipped with the ring flange along circumference on the outer wall of body both ends, be equipped with the annular groove on the outer wall of ring flange, evenly be equipped with a plurality of spacing grooves on the body one end internal face, the spacing groove sets up along the body axial, the body other end be equipped with spacing groove complex stopper, connecting portion include that at least two enclose to be located arc connecting block on the outer wall of ring flange, arc connecting block both ends be equipped with annular groove complex fixed block, adjacent two be equipped with the bolt that is used for connecting two arc connecting blocks between the arc connecting block.

With respect to the related art in the above, the inventors consider that: above-mentioned steel pipe carries out the joint through the arc connecting block and fixes, and the arc connecting block can not fix on the steel pipe after dismantling, loses easily, makes new arc connecting block again and has increased the cost.

SUMMERY OF THE UTILITY MODEL

In order to connect the joint subassembly on the steel pipe to reduce the possibility that the joint subassembly loses, this application provides a steel pipe with joint subassembly.

The application provides a steel pipe with joint assembly adopts following technical scheme:

the utility model provides a steel pipe with joint subassembly, including first steel pipe, the second steel pipe, first steel pipe and the coaxial setting of second steel pipe, the fixed cover of tip that first steel pipe is close to the second steel pipe is equipped with the go-between, the fixed cover of tip that the second steel pipe is close to first steel pipe is equipped with the joint ring, be equipped with the joint subassembly that is used for joint go-between and joint ring on the first steel pipe, the joint subassembly includes two joint spare, the joint spare is the semicircle arcuation, one side of two joint spare indents is and sets up in opposite directions, open one side of joint spare indent has the inserting groove, go-between and joint ring all with the inserting groove cooperation of pegging graft, the joint spare slides and connects on first steel pipe, be equipped with the locking subassembly that is used for locking joint spare on the first steel pipe.

Through adopting above-mentioned technical scheme, be close to the one end of go-between with first steel pipe and the one end butt that the second steel pipe is close to the joint ring, then two joint spare of drive are close to mutually and slide for the joint ring is pegged graft in the inserting groove with the go-between, utilizes the locking subassembly to lock joint spare at last, has realized being connected of first steel pipe and second steel pipe. When first steel pipe and second steel pipe need be dismantled, utilize the locking subassembly to remove the locking to the joint spare, then drive two joint spares and deviate from mutually and slide for the joint spare breaks away from go-between and joint ring, can dismantle first steel pipe and second steel pipe, and the joint spare is connected on the steel pipe, has reduced the possibility that the joint spare loses.

Optionally, the first steel pipe is fixedly sleeved with a support ring, the support ring is provided with a sliding groove, the length direction of the sliding groove points to the center of the support ring, the two sliding grooves are symmetrically arranged about the center of the support ring, the sliding grooves correspond to the clamping pieces one to one, and the clamping pieces are connected with guide rods sliding in the sliding grooves.

Through adopting above-mentioned technical scheme, guide bar and spout sliding fit have played the effect of direction to the joint spare, have improved the stability when the joint spare removes.

Optionally, the guide rod is fixedly connected with a guide block, and the inner wall of the sliding groove is provided with a guide groove for the guide block to slide.

Through adopting above-mentioned technical scheme, the cooperation that slides of guide block and guiding groove has played the effect of direction to the guide bar, has improved the stability when the guide bar removes.

Optionally, the locking assembly includes two driving screws, the two driving screws are arranged symmetrically about the axis of the first steel pipe, the two driving screws are coaxially arranged, the axis of the first steel pipe intersects with the axis of the driving screw, the driving screw is rotatably connected to the outer circumferential wall of the first steel pipe towards the end of the first steel pipe, moving blocks are in threaded connection with the driving screw, the moving blocks correspond to the guide rods one to one, and the moving blocks are fixedly connected to the guide rods.

Through adopting above-mentioned technical scheme, rotate drive screw, drive screw drives the removal piece and removes, and the movable block drives the guide bar and removes, and the guide bar drives the joint spare and removes, and drive screw has self-locking function for the joint spare can both be locked in every position.

Optionally, the locking assembly includes a positioning sleeve, the positioning sleeve is screwed on the guide rod, and the positioning sleeve is used for abutting against the support ring.

Through adopting above-mentioned technical scheme, when needs locking joint spare, rotate the position sleeve for the position sleeve supports tightly in the support ring, has reached the effect of locking the guide bar, thereby locks the joint spare.

Optionally, the first steel pipe is rotatably sleeved with a driving ring, an arc-shaped groove is formed in the driving ring, the distance between the arc-shaped groove and the center of the driving ring is gradually increased along the arc direction of the arc-shaped groove, two ends of the arc-shaped groove are respectively connected with the center of the driving ring, the two lines are arranged in an included angle mode, the two arc-shaped grooves are symmetrically arranged about the center of the driving ring, the arc-shaped grooves and the guide rods are arranged in a one-to-one correspondence mode, and the guide rods penetrate through the arc-shaped groove.

Through adopting above-mentioned technical scheme, the crossing department of arc wall and spout is worn to locate by the guide bar, and when needs removed joint spare, rotates the drive ring, and the guide bar slides along the arc wall and slides along the spout simultaneously, and the guide bar drives the joint spare and removes.

Optionally, the driving ring is located between the clamping piece and the supporting ring, and the positioning sleeve is located on one side of the supporting ring, which faces away from the driving ring.

Through adopting above-mentioned technical scheme, the position sleeve is located the support ring and deviates from one side of drive ring, provides operating space for the staff when rotating the position sleeve to be convenient for rotate the position sleeve.

Optionally, the outer circumferential wall of the first steel pipe is provided with a limit ring groove, and the driving ring rotates in the limit ring groove.

By adopting the technical scheme, the limit ring groove limits the driving ring, and the stability of the driving ring in rotation is improved.

Optionally, the end surface of the connecting ring facing the clamping ring and the end surface of the first steel pipe facing the second steel pipe are arranged in a coplanar manner, and the end surface of the clamping ring facing the connecting ring and the end surface of the second steel pipe facing the first steel pipe are arranged in a coplanar manner.

Through adopting above-mentioned technical scheme, be convenient for laminate go-between and joint ring mutually, improve the leakproofness that first steel pipe and second steel pipe are connected.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the clamping piece is connected to the first steel pipe in a sliding mode, so that the first steel pipe and the second steel pipe are fixed conveniently, and the possibility of losing the clamping piece is reduced;

2. the driving screw rod, the moving block and the guide rod are matched with each other, so that the effect of conveniently driving the clamping piece to move is achieved, and meanwhile, the guide rod and the clamping piece are locked by utilizing the self-locking function of the driving screw rod;

3. set up the position sleeve, position sleeve threaded connection is in the guide bar, and when the position sleeve supported tightly in the support ring, the effect of locking guide bar and joint spare had been reached.

Drawings

Fig. 1 is a schematic structural view of a steel pipe with a clamping assembly according to embodiment 1 of the present application.

Fig. 2 is a schematic structural view of a lock assembly according to embodiment 1 of the present application.

Fig. 3 is a schematic structural view of a guide bar and a guide block in embodiment 1 of the present application.

Fig. 4 is a schematic structural view of a lock assembly according to embodiment 2 of the present application.

Fig. 5 is a schematic structural view of a positioning sleeve and a support ring in embodiment 2 of the present application.

FIG. 6 is a schematic structural diagram of a steel pipe with a clamping assembly according to embodiment 2 of the present application

Fig. 7 is a schematic structural view of a first steel pipe according to example 2 of the present application.

Fig. 8 is an exploded view of the drive ring and the support ring according to embodiment 2 of the present application.

Description of reference numerals: 1. a first steel pipe; 11. a connecting ring; 12. a limiting ring groove; 2. a second steel pipe; 21. a snap ring; 3. a clamping assembly; 31. a clamping piece; 311. inserting grooves; 32. a guide bar; 33. a guide block; 4. a locking assembly; 41. a drive screw; 42. a moving block; 43. a knob; 44. a positioning sleeve; 5. a support ring; 51. a chute; 52. a guide groove; 53. a support plate; 6. a drive ring; 61. an arc-shaped groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses steel pipe with joint assembly.

Example 1

Referring to fig. 1, the steel pipe with the clamping assembly comprises a first steel pipe 1 and a second steel pipe 2, wherein the first steel pipe 1 is coaxially communicated with the second steel pipe 2, the inner diameters of the first steel pipe 1 and the second steel pipe 2 are equal, and the outer diameters of the first steel pipe and the second steel pipe are equal. The end part of the first steel pipe 1 close to the second steel pipe 2 is fixedly sleeved with a connecting ring 11, and the end part of the second steel pipe 2 close to the first steel pipe 1 is fixedly sleeved with a clamping ring 21. The inner diameters of the connection ring 11 and the snap ring 21 are equal to each other, and the outer diameters thereof are equal to each other.

Referring to fig. 1, the end surface of the first steel pipe 1 close to the connection ring 11 is coplanar with the end surface of the connection ring 11 facing the snap ring 21, and the end surface of the second steel pipe 2 close to the snap ring 21 is coplanar with the end surface of the snap ring 21 facing the connection ring 11. When the first steel pipe 1 abuts against the second steel pipe 2, the clamping ring 21 is attached to the connecting ring 11, the sealing performance is improved when the first steel pipe 1 is communicated with the second steel pipe 2,

referring to fig. 1, a clamping assembly 3 for clamping the connecting ring 11 and the clamping ring 21 is arranged on the first steel pipe 1, the clamping assembly 3 includes two clamping pieces 31, and the clamping pieces 31 are in a semi-circular arc shape. One side of two joint 31 indents sets up towards first steel pipe 1, and the axis of joint 31 is on a parallel with the axis of first steel pipe 1, and first steel pipe 1 is located between two joint 31.

Referring to fig. 1, the clamping members 31 are connected to the outer side of the first steel pipe 1 in a sliding manner, the two clamping members 31 slide along the direction close to or away from each other, the two clamping members 31 are in a circular ring shape when abutting against each other, and the inner circular arc surface of each clamping member 31 is attached to the outer circumferential wall of the first steel pipe 1. The concave side of the clamping pieces 31 is provided with insertion grooves 311 along the arc line, when the two clamping pieces 31 are abutted, the two insertion grooves 311 are communicated, and the clamping ring 21 and the connecting ring 11 are inserted in the insertion grooves 311.

Referring to fig. 1 and 2, a locking assembly 4 for locking the clamping member 31 is arranged on the first steel pipe 1, the locking assembly 4 includes two driving screws 41, the two driving screws 41 are symmetrically arranged about the axis of the first steel pipe 1, the two driving screws 41 are coaxially arranged, and the axis of the first steel pipe 1 intersects with the axis of the driving screws 41.

Referring to fig. 2 and 3, the driving screw 41 is positioned outside the first steel pipe 1, and the driving screw 41 is rotatably coupled to the outer circumferential wall of the first steel pipe 1 toward the end of the first steel pipe 1. The driving screw 41 is connected with a moving block 42 through threads, the clamping piece 31 is fixedly connected with a guide rod 32, the guide rod 32 is parallel to the axis of the first steel pipe 1, and the guide rod 32 and the moving block 42 are in one-to-one correspondence and fixedly connected.

When the clamping member 31 needs to be driven to move, the driving screw 41 is rotated, and the driving screw 41 drives the moving block 42 to move along the axial direction of the driving screw 41. The moving block 42 drives the guide rod 32 to move, and the guide rod 32 drives the clamping member 31 to move. The drive screw 41 has a self-locking function so that the snap-in member 31 is locked at any position.

Referring to fig. 1 and 3, a support ring 5 is fixedly sleeved on the first steel pipe 1, a sliding groove 51 is formed in the support ring 5, the length direction of the sliding groove 51 points to the center of the support ring 5, and the sliding groove 51 penetrates through the outer circumferential wall of the support ring 5. Two sliding grooves 51 are symmetrically arranged about the center of the support ring 5, and the sliding grooves 51 correspond to the guide rods 32 one by one. The guide rod 32 is inserted into the slide groove 51, and the guide rod 32 slides in the slide groove 51 along the longitudinal direction of the slide groove 51.

The sliding grooves 51 are in sliding fit with the guide rods 32, so that the clamping piece 31 is guided, and the stability of the clamping piece 31 during moving is improved. The guide bar 32 is fixedly connected with two guide blocks 33, the two guide blocks 33 are symmetrically arranged about the guide bar 32, two opposite inner walls of the sliding groove 51 are provided with guide grooves 52 for the guide blocks 33 to slide, and the guide grooves 52 penetrate through the outer circumferential wall of the support ring 5. The guide block 33 and the guide groove 52 are in sliding fit, so that the guide rod 32 has a guiding effect, the stability of the guide rod 32 during sliding is improved, and the stability of the clamping piece 31 during sliding is improved.

Referring to fig. 2, in addition, a support plate 53 is fixedly connected to one side of the support ring 5 close to the driving screws 41, two support plates 53 are provided and correspond to the driving screws 41 one by one, and the support plates 53 are perpendicular to the driving screws 41. One end of the driving screw 41, which is far away from the first steel pipe 1, is rotatably connected to the support plate 53, so that the stability of the driving screw 41 during rotation is improved. The end of the driving screw 41 far away from the first steel pipe 1 penetrates through the supporting plate 53 and is fixedly connected with the knob 43. Knob 43 facilitates the rotation of drive screw 41 by the operator.

The implementation principle of the embodiment 1 is as follows: when the first steel pipe 1 and the second steel pipe 2 are connected, the first steel pipe 1 and the second steel pipe 2 are coaxially arranged, so that the connecting ring 11 is attached to the clamping ring 21, then the knob 43 is rotated, the knob 43 drives the driving screw 41 to rotate, the driving screw 41 drives the moving block 42 to move along the axis of the screw, the moving block 42 drives the guide rod 32 to move, and the guide rod 32 drives the clamping piece 31 to move. When the two clamping pieces 31 are close to each other and abutted against each other, the clamping ring 21 and the connecting ring 11 are inserted into the two insertion grooves 311, and the locking of the connecting ring 11 on the clamping ring 21 is realized by utilizing the self-locking function of the driving screw rod 41.

When the first steel pipe 1 needs to be disassembled, the driving screw 41, the moving block 42 and the guide rod 32 are matched with each other to drive the two clamping pieces 31 to be away from each other, and when the clamping pieces 31 are separated from the clamping ring 21 and the connecting ring 11, the first steel pipe 1 and the second steel pipe 2 can be disassembled. The clamping piece 31 is connected to the first steel pipe 1, and the possibility that the clamping piece 31 is lost is reduced.

Example 2

Referring to fig. 4, the present embodiment is different from embodiment 1 in that: the locking assembly 4 is different.

Referring to fig. 4 and 5, the locking assembly 4 includes a positioning sleeve 44, the positioning sleeve 44 is a nut, and a threaded section is provided at an end of the guide rod 32 penetrating through the sliding slot 51, and the threaded section is located at a side of the support ring 5 facing away from the clamping member 31. The positioning sleeve 44 is threaded onto a threaded section of the guide rod 32. When the clamping piece 31 needs to be locked, the positioning sleeve 44 is rotated, so that the positioning sleeve 44 abuts against the support ring 5, the guide rod 32 is locked, and the clamping piece 31 is locked.

Referring to fig. 5 and 6, a driving ring 6 is sleeved on the first steel pipe 1, and the driving ring 6 is located between the clamping member 31 and the supporting ring 5, so as to leave a space for a worker to rotate the positioning sleeve 44, thereby facilitating the rotation of the positioning sleeve 44.

Referring to fig. 7 and 8, the outer circumferential side wall of the first steel pipe 1 is provided with a limit ring groove 12, the driving ring 6 is formed by welding two semicircular rings, the driving ring 6 is clamped in the limit ring groove 12, and the driving ring 6 is in running fit with the limit ring groove 12.

Referring to fig. 5 and 8, the driving ring 6 is provided with an arc-shaped groove 61, the distance from the arc-shaped groove 61 to the center of the driving ring 6 gradually increases along the arc direction of the arc-shaped groove 61, and two ends of the arc-shaped groove 61 are respectively connected with the center of the driving ring 6, and an included angle is formed between the two lines. The two arc-shaped grooves 61 are rotationally symmetrical about the center of the support ring 5, the arc-shaped grooves 61 and the sliding grooves 51 are arranged in a one-to-one correspondence manner, the guide rods 32 penetrate through the arc-shaped grooves 61, and the guide rods 32 are located at the intersection of the arc-shaped grooves 61 and the sliding grooves 51.

When the clamping piece 31 needs to be driven to move, the positioning sleeve 44 is firstly rotated to enable the positioning sleeve 44 to be separated from the supporting ring 5, then the driving ring 6 is rotated, the driving ring 6 drives the guide rod 32 to slide along the arc-shaped groove 61, the guide rod 32 simultaneously slides along the sliding groove 51, and the guide rod 32 drives the clamping piece 31 to slide.

The implementation principle of the embodiment 2 is as follows: when the driving clamping piece 31 needs to be driven to move, the driving ring 6 is rotated, the driving ring 6 drives the guide rod 32 to slide along the arc-shaped groove 61, the guide rod 32 simultaneously slides along the sliding groove 51, and the guide rod 32 drives the clamping piece 31 to slide. When the clamping piece 31 needs to be locked, the positioning sleeve 44 is rotated, so that the positioning sleeve 44 is abutted against the support ring 5, and the guide rod 32 and the clamping piece 31 are locked.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a steel pipe with joint assembly which characterized in that: comprises a first steel pipe (1), second steel pipe (2), first steel pipe (1) and the coaxial setting of second steel pipe (2), the end fixing cover that first steel pipe (1) is close to second steel pipe (2) is equipped with go-between (11), the end fixing cover that second steel pipe (2) are close to first steel pipe (1) is equipped with joint ring (21), be equipped with joint subassembly (3) that are used for joint go-between (11) and joint ring (21) on first steel pipe (1), joint subassembly (3) include two joint spare (31), joint spare (31) are the semicircle arcuation, one side of two joint spare (31) indent is and sets up in opposite directions, one side of joint spare (31) indent is opened has inserting groove (311), go-between (11) and joint ring (21) all with inserting groove (311) cooperation of pegging graft, joint spare (31) are slided and are connected on first steel pipe (1), be equipped with locking subassembly (4) that are used for locking joint spare (31) on first steel pipe (1).

2. The steel tube with clamping assembly as claimed in claim 1, wherein: fixed cover is equipped with support ring (5) on first steel pipe (1), and it has spout (51) to open on support ring (5), and the length direction of spout (51) points to the center of support ring (5), and spout (51) are equipped with two about the central symmetry of support ring (5), and spout (51) and joint spare (31) one-to-one are connected with guide bar (32) that slide in spout (51) on joint spare (31).

3. The steel tube with clamping assembly of claim 2, wherein: the guide rod (32) is fixedly connected with a guide block (33), and the inner wall of the sliding groove (51) is provided with a guide groove (52) for the guide block (33) to slide.

4. The steel tube with clamping assembly of claim 2, wherein: the locking assembly (4) comprises two driving screws (41), the two driving screws (41) are symmetrically arranged about the axis of the first steel pipe (1), the two driving screws (41) are coaxially arranged, the axis of the first steel pipe (1) is intersected with the axis of the driving screws (41), the driving screws (41) are connected to the outer circumferential wall of the first steel pipe (1) in a rotating mode towards the end portion of the first steel pipe (1), moving blocks (42) are connected to the driving screws (41) in a threaded mode, the moving blocks (42) correspond to the guide rods (32) one to one, and the moving blocks (42) are fixedly connected to the guide rods (32).

5. The steel tube with clamping assembly of claim 2, wherein: the locking assembly (4) comprises a positioning sleeve (44), the positioning sleeve (44) is in threaded connection with the guide rod (32), and the positioning sleeve (44) is used for abutting against the support ring (5).

6. The steel tube with clamping assembly of claim 5, wherein: rotate the cover on first steel pipe (1) and be equipped with drive ring (6), it has arc wall (61) to open on drive ring (6), arc wall (61) increase gradually along the arc direction of arc wall (61) apart from the distance of drive ring (6) centre of a circle, the both ends of arc wall (61) respectively with the line in drive ring (6) centre of a circle, two lines are the contained angle setting, arc wall (61) are equipped with two about the centre of a circle symmetry of drive ring (6), arc wall (61) and guide bar (32) one-to-one set up, guide bar (32) are worn to locate in arc wall (61).

7. The steel tube with clamping assembly of claim 6, wherein: the driving ring (6) is positioned between the clamping piece (31) and the supporting ring (5), and the positioning sleeve (44) is positioned on one side of the supporting ring (5) departing from the driving ring (6).

8. The steel tube with clamping assembly of claim 6, wherein: the outer circumferential wall of the first steel pipe (1) is provided with a limiting ring groove (12), and the driving ring (6) rotates in the limiting ring groove (12).

9. The steel tube with clamping assembly as claimed in claim 1, wherein: the end face, facing the clamping ring (21), of the connecting ring (11) and the end face, facing the second steel pipe (2), of the first steel pipe (1) are arranged in a coplanar mode, and the end face, facing the connecting ring (11), of the clamping ring (21) and the end face, facing the first steel pipe (1), of the second steel pipe (2) are arranged in a coplanar mode.

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