CN113324116A

CN113324116A - High-stability safety valve and pipeline connecting device

Info

Publication number: CN113324116A
Application number: CN202110663220.2A
Authority: CN
Inventors: 姜南; 屈文斌
Original assignee: Les Safety Valve Tianjin Co ltd
Current assignee: Les Safety Valve Tianjin Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2021-08-31
Anticipated expiration: 2041-06-15
Also published as: CN113324116B

Abstract

The utility model belongs to the technical field of relief valve connection and specifically relates to a stabilize high relief valve and pipe connection device is related to, and pipeline integrated into one piece has first flange, and relief valve integrated into one piece has the second flange, first flange and second flange pass through connecting bolt and connect fixedly, and connecting device includes a pair of connecting rod that sets up with relief valve fixed connection's level, the outer wall connection of pipeline has the hold-down mechanism that compresses tightly one side of keeping away from the pipeline with the connecting rod. This application has the effect of stability when increasing relief valve and pipe connection.

Description

High-stability safety valve and pipeline connecting device

Technical Field

The application relates to the field of safety valve connection, in particular to a safety valve and pipeline connecting device with high stability.

Background

The safety valve is a pressure relief device for protecting the pipeline, and is connected with the pipeline, when the liquid pressure in the pipeline is too large, the safety valve relieves the pressure inside the pipeline, and the possibility of occurrence of an accident caused by the overlarge pressure inside the pipeline is reduced.

As shown in fig. 1, in the related art, a first flange 11 is integrally formed at the top of a pipe 1, a second flange 21 is integrally formed at a side of a safety valve 2 close to the pipe 1, and when the safety valve 2 is required to be connected to the pipe 1, the second flange 21 and the first flange 11 abut against each other. Four connecting bolts 22 penetrate between the first flange 11 and the second flange 21, nuts on the connecting bolts 22 are screwed, and the first flange 11 and the second flange 21 are connected and fixed through the connecting bolts 22, so that the installation work of the safety valve 2 is completed.

In the related art, the safety valve 2 is fixed on the pipeline 1 by the simple connecting bolt 22, and the safety valve 2 may generate certain vibration and the nut may be loosened during the pressure relief process of the safety valve 2, so that the inventor thinks that the safety valve 2 is not stably connected with the pipeline 1.

Disclosure of Invention

In order to improve the problem that relief valve and pipe connection are not stable enough, this application provides a relief valve and pipe connection device that stability is high.

The application provides a relief valve and pipeline connecting device that stability is high adopts following technical scheme:

the utility model provides a high relief valve and pipeline connecting device of stability, pipeline integrated into one piece have first flange, and relief valve integrated into one piece has the second flange, first flange and second flange pass through connecting bolt and connect fixedly, and connecting device includes a pair of connecting rod that sets up with relief valve fixed connection's level, the outer wall connection of pipeline has the hold-down mechanism that compresses tightly one side of keeping away from the pipeline with the connecting rod.

Through adopting above-mentioned technical scheme, with second flange and first flange butt, connecting bolt passes first flange and second flange and is fixed with first flange and second flange connection, and the connecting rod passes through hold-down mechanism and pipe connection, and hold-down mechanism compresses tightly the connecting rod to the direction that is close to the pipeline. When connecting bolt takes place to become flexible in the relief valve working process, hold-down mechanism pushes down the connecting rod, makes second flange and first flange still be in the state of inseparable butt, has the effect of the stability when increasing relief valve and pipe connection.

When the connecting bolt is loosened accidentally, the pressing mechanism reduces the possibility of environmental pollution caused by liquid leakage in the pipeline and also has the effect of environmental protection.

Optionally, the pressing mechanism includes two pairs of support rods fixedly connected with the pipeline, each pair of support rods is fixedly connected with a support block at the top, the support blocks are arranged in one-to-one correspondence with the connection rods, a reserved groove for the connection rods to be inserted is formed in the lower surface of each support block, a connection plate for covering an opening on the upper side of the reserved groove is rotatably connected to the upper surface of each support block, a fixed component for fixing the connection plate is connected to the upper surface of each support block, a threaded rod vertically arranged is connected to the connection plate in a threaded manner, and the lower end of the threaded rod is tightly abutted to the upper surface of the connection rod.

Through adopting above-mentioned technical scheme, the connecting rod is arranged in the reservation inslot back in, rotates the connecting plate, makes the connecting plate cover the upside opening of reservation groove, and fixed subassembly is fixed with the connecting plate, rotates the threaded rod, makes the threaded rod compress tightly the connecting rod downwards, and the process that the compression bar was compressed tightly is more convenient.

Optionally, the fixing assembly comprises a fixing rod fixedly connected with the upper surface of the supporting block, the fixing rod is rotatably connected with a butting plate, and the lower surface of the butting plate is butted with the upper surface of the connecting plate.

Through adopting above-mentioned technical scheme, the connecting plate covers the back with the preformed groove, rotates the butt joint board, makes the butt joint board block the upper surface of connecting plate, and is fixed with the connecting plate, and the fixing process is more convenient.

Optionally, a first inserting hole is formed in the upper surface of the abutting plate in a downward direction, a first inserting rod is inserted into the first inserting hole, and a first inserting groove for inserting the first inserting rod is formed in one side, close to the first inserting hole, of the connecting plate inwards.

Through adopting above-mentioned technical scheme, the butt plate blocks the back with the connecting plate, and first spliced pole is pegged graft with first spliced eye, and first spliced pole also pegs graft with first inserting groove, and first spliced pole is fixed the butt plate, has the effect that increases the stability when butt plate pushes down the connecting plate.

Optionally, the first inserting rod is an iron rod, and a magnet abutted against the first inserting rod is mounted at the bottom of the first inserting groove.

Through adopting above-mentioned technical scheme, magnet and first inserting rod butt, magnet has the effect that increases the stability when first inserting rod is pegged graft with first inserting groove.

Optionally, a groove is formed in the upper surface of the supporting block downward, the fixing assembly comprises a supporting plate fixedly connected with one side, close to the groove, of the connecting plate, the supporting plate is vertically arranged and is connected with the groove in an inserting mode, a second inserting hole is formed in the supporting plate, a second inserting rod is inserted into the second inserting hole, and a second inserting groove for inserting the second inserting rod is formed in one side, close to the second inserting hole, of the supporting block inwards.

Through adopting above-mentioned technical scheme, the connecting plate covers the back with the preformed groove, and the backup pad is pegged graft with the recess, pegs graft second peg graft pole and second peg graft pole, and the second peg graft pole also pegs graft with the second peg graft pole, and the second peg graft pole is fixed the backup pad, and then fixes the connecting plate, and the fixed process is more convenient.

Optionally, the top end of the threaded rod is fixedly connected with a rotating rod.

Through adopting above-mentioned technical scheme, rotate the dwang, the dwang drives the threaded rod and rotates, and the dwang has the process that makes the rotation threaded rod more convenient effect.

Optionally, the upper surface of the connecting rod is internally provided with a butt joint groove for the threaded rod to be inserted, the end surface of the connecting rod is connected with a fastening bolt through an inward thread, and the fastening bolt is tightly abutted to the threaded rod.

Through adopting above-mentioned technical scheme, the threaded rod supports the connecting rod back tightly, screws up fastening bolt, and fastening bolt and the inseparable butt of threaded rod, and fastening bolt is fixed the threaded rod, and fastening bolt increases the stability of threaded rod when supporting the connecting rod tightly.

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

1. when the connecting bolt is loosened in the working process of the safety valve, the pressing mechanism presses the connecting rod to enable the second flange and the first flange to be still in a tightly abutted state, so that the effect of improving the stability of the safety valve in connection with a pipeline is achieved, when the connecting bolt is loosened accidentally, the possibility of environmental pollution caused by liquid leakage in the pipeline is reduced by the pressing mechanism, and the effect of environmental protection is achieved;

2. after the connecting rod was arranged in the reservation inslot, rotated the connecting plate, made the connecting plate cover the upside opening of reservation groove, fixed subassembly was fixed with the connecting plate, rotated the threaded rod, made the threaded rod compress tightly the connecting rod downwards, and the process that the compression bar was compressed tightly is more convenient.

Drawings

Fig. 1 is a schematic structural view of the related art.

Fig. 2 is a schematic structural diagram of embodiment 1 of the present application.

Fig. 3 is a schematic view showing the threaded rod in example 1.

Fig. 4 is a schematic view showing the structure of the abutment groove in embodiment 1.

Fig. 5 is a schematic structural view showing a fastening bolt in embodiment 1.

Fig. 6 is a schematic structural diagram of embodiment 2 of the present application.

Fig. 7 is a schematic view of the second insertion rod according to embodiment 2.

Description of reference numerals: 1. a pipeline; 11. a first flange; 2. a safety valve; 21. a second flange; 22. a connecting bolt; 3. a connecting rod; 31. a butt joint groove; 32. fastening a bolt; 4. a hold-down mechanism; 41. a support bar; 42. a support block; 421. reserving a groove; 422. a connecting plate; 4221. a first insertion groove; 4222. a magnet; 423. a groove; 424. a second insertion groove; 43. a fixing assembly; 431. fixing the rod; 432. a butt joint plate; 4321. a first plug hole; 4322. a first plug-in rod; 433. a support plate; 4331. a second plug hole; 434. a second plug-in rod; 44. a threaded rod; 441. rotating the rod.

Detailed Description

The present application is described in further detail below with reference to figures 2-7.

The embodiment of the application discloses relief valve and pipe connection device that stability is high.

Example 1

As shown in fig. 2 and 3, a first flange 11 is integrally formed at the top of the pipeline 1, a second flange 21 is integrally formed at one side of the safety valve 2 close to the pipeline 1, when the safety valve 2 needs to be connected with the pipeline 1, the second flange 21 and the first flange 11 are abutted against each other, four connecting bolts 22 pass through between the first flange 11 and the second flange 21, nuts on the connecting bolts 22 are screwed, the first flange 11 and the second flange 21 are connected and fixed, and the safety valve 2 is fixed on the pipeline 1.

The connecting device comprises a pair of connecting rods 3 fixedly connected with the safety valve 2, and the length direction of the connecting rods 3 is the same as the axial direction of the pipeline 1. The outer wall of the pipeline 1 is connected with a pressing mechanism 4, one side, far away from the pipeline 1, of the connecting rod 3 is pressed by the pressing mechanism 4, and the connecting rod 3 is pressed by the pressing mechanism 4.

When the connecting bolt 22 is loosened in the working process of the safety valve 2, the pressing mechanism 4 presses the connecting rod 3, so that the second flange 21 and the first flange 11 are still in a tight abutting state, and the effect of improving the stability of the safety valve 2 when being connected with the pipeline 1 is achieved.

The liquid that the inside circulation of pipeline 1 probably is the chemicals, and when connecting bolt 22 appeared not hard up the condition, hold-down mechanism 4 made first flange 11 and second flange 21 still be in the state of inseparable butt, reduced the liquid in the pipeline 1 and leaked the possibility that causes the pollution to the environment, had the effect of environmental protection.

The pressing mechanism 4 comprises two pairs of supporting rods 41 fixedly connected with the top of the pipeline 1, supporting blocks 42 are fixedly connected to the top ends of each pair of supporting rods 41, the number of the supporting blocks 42 is two, the supporting blocks 42 correspond to the connecting rods 3 one by one, and the supporting blocks 42 are arranged below the connecting rods 3.

As shown in fig. 3 and 4, a reserved groove 421 is formed in the upper surface of the supporting block 42 downward, the connecting rod 3 is disposed in the reserved groove 421, and the connecting rod 3 is inserted into the reserved groove 421. The upper surface of supporting shoe 42 rotates and is connected with connecting plate 422, rotates connecting plate 422, and connecting plate 422 can cover the upside opening of reservation groove 421, and the lower surface of connecting plate 422 and the upper surface butt of supporting shoe 42.

The upper surface of supporting shoe 42 is connected with fixed subassembly 43, and connecting plate 422 covers the upside opening of reserve groove 421 back, and fixed subassembly 43 is fixed connecting plate 422. The connecting plate 422 is in threaded connection with a vertically arranged threaded rod 44, and the top end of the threaded rod 44 is fixedly connected with a rotating rod 441.

Connecting rod 3 is close to one side of threaded rod 44 and inwards is equipped with butt groove 31, and during threaded rod 44 lower extreme inserted butt groove 31, the staff rotated dwang 441, made threaded rod 44 downstream, and the threaded rod 44 lower extreme is closely the butt with the tank bottom in butt groove 31, and threaded rod 44 compresses tightly connecting rod 3 downwards, and the process that connecting rod 3 was compressed tightly is more convenient.

When the threaded rod 44 needs to move downwards, a worker can rotate the connecting rod 3, and the process of rotating the threaded rod 44 is convenient.

As shown in fig. 3 and 5, a fastening bolt 32 is connected to the end, away from the safety valve 2, of the connecting rod 3 through an inward thread, the fastening bolt 32 is screwed into the abutting groove 31, after the threaded rod 44 is tightly abutted to the connecting rod 3, the fastening bolt 32 is screwed, so that the fastening bolt 32 is tightly abutted to the threaded rod 44, the fastening bolt 32 fixes the threaded rod 44, and the stability of the threaded rod 44 in abutting the connecting rod 3 is improved.

As shown in fig. 3 and 4, after the connection plate 422 covers the opening on the upper side of the reserve tank 421, the connection plate 422 is fixed to the supporting block 42 by the fixing member 43. The fixing member 43 includes a fixing rod 431 fixedly connected to an upper surface of the supporting block 42, and the fixing rod 431 is rotatably connected to an abutting plate 432.

After the upper side opening of the preformed groove 421 is covered by the connecting plate 422, the abutting plate 432 is rotated, the upper surface of the abutting plate 432 is abutted to the upper surface of the connecting plate 422, the abutting plate 432 presses the connecting plate 422, the connecting plate 422 is fixed, and the fixing process is convenient.

The upper surface of the abutting plate 432 is provided with a first inserting hole 4321 downwards, and one side of the connecting plate 422 close to the first inserting hole 4321 is provided with a first inserting groove 4221 inwards. A first inserting rod 4322 is inserted into the first inserting hole 4321, the first inserting rod 4322 is also inserted into the first inserting groove 4221, and the first inserting rod 4322 fixes the abutting plate 432, so that the stability of the abutting plate 432 when pressing the connecting plate 422 is increased.

The first insertion rod 4322 is an iron rod, a magnet 4222 is arranged at the bottom of the first insertion groove 4221, and the magnet 4222 is fixedly connected with the connecting plate 422. The lower end of the first plug rod 4322 abuts against the magnet 4222, and the magnet 4222 increases the stability of the first plug rod 4322 when being plugged into the first plug groove 4221.

The implementation principle of the embodiment 1 is as follows: when the safety valve 2 is to be connected to the pipe 1, the second flange 21 and the first flange 11 are brought into contact with each other, the connecting bolt 22 passes through the first flange 11 and the second flange 21, and the connecting bolt 22 fixes the first flange 11 and the second flange 21.

The connecting rod 3 is inserted into the preformed groove 421, and the connecting plate 422 is rotated to cover the upper opening of the preformed groove 421 by the connecting plate 422. The contact plate 432 is rotated so that the lower surface of the contact plate 432 contacts the upper surface of the connection plate 422. The first plug rod 4322 is plugged into the first plug hole 4321, and then the first plug rod 4322 is plugged into the first plug groove 4221. The worker rotates the rotating rod 441 and the threaded rod 44 moves downward, so that the threaded rod 44 presses the connecting rod 3.

Example 2

As shown in fig. 6 and 7, the present embodiment is different from embodiment 1 in that a groove 423 is provided downward on the upper surface of the supporting block 42, the fixing member 43 includes a supporting plate 433 fixedly connected to an upright side surface of the connecting plate 422 on a side close to the groove 423, and the supporting plate 433 is inserted into the groove 423 when the connecting plate 422 covers the upper side opening of the preliminary groove 421.

A second inserting hole 4331 is formed in one side of the supporting plate 433 away from the preformed groove 421, and the second inserting hole 4331 penetrates through the supporting plate 433. A second inserting groove 424 is formed in one side of the supporting block 42 close to the second inserting hole 4331, and the second inserting groove 424 is communicated with the groove 423.

The fixing assembly 43 further includes a second inserting rod 434, the second inserting rod 434 is inserted into the second inserting hole 4331, the second inserting rod 434 is also inserted into the second inserting groove 424, the supporting plate 433 is fixed by the second inserting rod 434, and the connecting plate 422 is fixed, so that the fixing process is more convenient.

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

1. The utility model provides a high relief valve and pipeline connecting device of stability, pipeline (1) integrated into one piece have first flange (11), and relief valve (2) integrated into one piece have second flange (21), first flange (11) and second flange (21) are connected fixedly through connecting bolt (22), its characterized in that: the connecting device comprises a pair of connecting rods (3) which are fixedly connected with the safety valve (2) and horizontally arranged, and the outer wall of the pipeline (1) is connected with a pressing mechanism (4) which presses one side of each connecting rod (3) far away from the pipeline (1).

2. A high stability safety valve and pipe connection apparatus as claimed in claim 1, wherein: hold-down mechanism (4) include with pipeline (1) fixed connection two pairs of bracing pieces (41), every equal fixedly connected with supporting shoe (42) in bracing piece (41) top, supporting shoe (42) set up with connecting rod (3) one-to-one, the upper surface of supporting shoe (42) is provided with reserve groove (421) that supply connecting rod (3) to peg graft downwards, the last surface rotation of supporting shoe (42) is connected with connecting plate (422) with reserve groove (421) upper side open cover, supporting shoe (42) upper surface is connected with fixed subassembly (43) with connecting plate (422) fixed, connecting plate (422) threaded connection has threaded rod (44) of vertical setting, threaded rod (44) lower extreme and the inseparable butt of connecting rod (3) upper surface.

3. A high stability safety valve and pipe connection apparatus according to claim 2, wherein: the fixing component (43) comprises a fixing rod (431) fixedly connected with the upper surface of the supporting block (42), the fixing rod (431) is rotatably connected with a butt plate (432), and the lower surface of the butt plate (432) is in butt joint with the upper surface of the connecting plate (422).

4. A high stability safety valve and pipe connection apparatus as claimed in claim 3, wherein: the upper surface of the abutting plate (432) is downwards provided with a first inserting hole (4321), a first inserting rod (4322) is inserted into the first inserting hole (4321), and a first inserting groove (4221) for inserting the first inserting rod (4322) is formed in one side, close to the first inserting hole (4321), of the connecting plate (422) inwards.

5. A high stability safety valve and pipe connection device according to claim 4, wherein: the first plug rod (4322) is an iron rod, and a magnet (4222) abutted against the first plug rod (4322) is installed at the bottom of the first plug groove (4221).

6. A high stability safety valve and pipe connection apparatus according to claim 2, wherein: the upper surface of supporting shoe (42) is provided with recess (423) downwards, fixed subassembly (43) include with connecting plate (422) one side fixed connection backup pad (433) that is close to recess (423), backup pad (433) vertical setting and backup pad (433) peg graft with recess (423), backup pad (433) are equipped with second spliced eye (4331), it has second spliced pole (434) to peg graft in second spliced eye (4331), one side that supporting shoe (42) is close to second spliced eye (4331) inwards is equipped with second inserting groove (424) that supplies second spliced pole (434) to peg graft.

7. A high stability safety valve and pipe connecting device according to claim 3 or 6, wherein: the top end of the threaded rod (44) is fixedly connected with a rotating rod (441).

8. A high stability safety valve and pipe connection apparatus as claimed in claim 7, wherein: the upper surface of connecting rod (3) is equipped with in to supply butt groove (31) that threaded rod (44) pegged graft, the inside threaded connection of terminal surface of connecting rod (3) has fastening bolt (32), fastening bolt (32) and the inseparable butt of threaded rod (44).