Auxiliary connecting equipment for pressure release valve

Abstract

The utility model belongs to the field of pressure release valves, and particularly relates to auxiliary connecting equipment for a pressure release valve, which comprises a pressure release valve body, a connecting pipeline is arranged on one side of the pressure release valve body, and a connecting flange plate is fixedly sleeved on the connecting pipeline; the pressure relief valve body is fixedly sleeved with an installation flange plate, a positioning mechanism is arranged on the pressure relief valve body, a base is fixedly installed at the bottom of the pressure relief valve body, a plurality of sealing strips are fixedly installed on one side of the connection flange plate, and a plurality of connection holes are formed in one side of the connection flange plate and one side of the installation flange plate. And the same bolt is detachably mounted in the two connecting holes in the same side. The pressure release valve and the pipeline can be quickly aligned and connected, the pressure release valve and the pipeline can be kept stable after being aligned, a worker can conveniently and fixedly connect the pressure release valve and the pipeline through bolts in the follow-up process, meanwhile, connection tightness and stability can be effectively improved through connection of the positioning mechanism and the bolts, and practicability of equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure relief valve technical field especially relates to a kind of auxiliary connecting equipment for pressure relief valve. BACKGROUND

[0002] Pressure relief valve is mainly based on the working principle of force balance, usually, valve is kept closed under the action of spring force or other pre-tightening force, to maintain the normal pressure of system, when the pressure in system rises and exceeds the opening pressure value of pressure relief valve preset, the force generated by the pressure of medium acting on valve core exceeds the pre-tightening force of spring etc., valve core is pushed to open, part of medium in system can be discharged through pressure relief valve, to reduce system pressure, when system pressure drops to a certain degree, i.e.

[0003] Pressure relief valve is connected with pipeline by flange plate during installation, however, current pressure relief valve needs staff to hold pipeline to align the two after connecting with pipeline, bolt is installed through the hole slot on flange plate, to be fixed, however, the connecting mode is inconvenient during installation, staff needs to adjust and align for many times, greatly influence work efficiency. UTILITARY MODEL CONTENT

[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A kind of auxiliary connecting equipment for pressure relief valve, including pressure relief valve body, the one side of the pressure relief valve body is equipped with connecting pipeline, connecting flange plate is fixedly covered on the connecting pipeline, four positioning nuts are fixedly installed on the one side of the connecting flange plate;Installation flange plate is fixedly covered on the pressure relief valve body, and positioning mechanism is equipped on the pressure relief valve body.

[0006] Specifically, the base is fixedly installed at the bottom of the pressure relief valve body.

[0007] Specifically, a plurality of sealing strips are fixedly installed on the one side of the connecting flange plate, to facilitate increasing the tightness of connection.

[0008] Specifically, a plurality of connecting holes are formed on the one side of the connecting flange plate and installation flange plate, a same bolt can be detachably installed in two connecting holes on the same side, installation nut is fixedly installed on the inner side of a plurality of connecting holes on the installation flange plate, and a plurality of installation nuts are respectively threadedly connected with corresponding bolts.

[0009] Specifically, a plurality of bolts are provided with cross recess on one end, to facilitate installation of staff.

[0010] Specific, the positioning mechanism includes four positioning metal block, four rack and plane thread disc, the pressure relief valve body rotation set with plane thread disc, the installation flange plate outside is provided with four sliding port, the inner side of four sliding port is slidably installed with positioning metal block, the side of four positioning metal block is fixedly installed with rack, four rack is adapted with same plane thread disc, four rack can be driven by plane thread disc and move.

[0011] Specific, the inner wall of two sides of four sliding port is provided with limiting groove, the two sides of four positioning metal block are fixedly installed with guide strip, a plurality of guide strips are slidably installed in corresponding limiting groove, which is convenient for guiding the positioning metal block and limiting its moving track.

[0012] Specific, the side of four positioning metal block is fixedly installed with clamping metal block, the side of four clamping metal block is in contact with the surface of same connecting pipeline, the side of four positioning metal block is provided with positioning hole, four positioning holes are slidably installed with threaded rod, four threaded rods are threadedly connected with corresponding positioning nut.

[0013] Compared with the prior art, the utility model has the advantages that through the positioning mechanism, the pressure relief valve can be quickly aligned and connected with the pipeline, and can be kept stable after alignment, which is convenient for subsequent fixing and connecting of staff by bolts, and the positioning mechanism and bolt connection can effectively improve the tightness and stability of connection, and increase the practicability of equipment. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A three-dimensional structure schematic view of the auxiliary connecting equipment for pressure relief valve is provided for the utility model;

[0015] Figure 2 A three-dimensional structure split schematic view of the auxiliary connecting equipment for pressure relief valve is provided for the utility model;

[0016] Figure 3 A three-dimensional structure schematic view of the connecting pipeline of the auxiliary connecting equipment for pressure relief valve is provided for the utility model;

[0017] Figure 4 A three-dimensional structure schematic view of the positioning mechanism of the auxiliary connecting equipment for pressure relief valve is provided for the utility model;

[0018] Figure 5 A three-dimensional structure split schematic view of the positioning mechanism of the auxiliary connecting equipment for pressure relief valve is provided for the utility model.

[0019] In the figure: 1, pressure relief valve body; 2, base; 3, connecting pipeline; 4, connecting flange; 5, bolt; 6, sealing strip; 7, mounting flange; 8, mounting nut; 9, sliding port; 10, limiting groove; 11, clamping metal block; 12, guide strip; 13, positioning metal block; 14, rack; 15, flat threaded disc; 16, positioning nut; 17, threaded rod. DETAILED DESCRIPTION

[0020] Referring to Figures 1-5 An auxiliary connecting device for pressure relief valve, including pressure relief valve body 1, one side of pressure relief valve body 1 is provided with connecting pipeline 3, connecting pipeline 3 is fixedly provided with connecting flange 4, one side of connecting flange 4 is fixedly provided with four positioning nuts 16; pressure relief valve body 1 is fixedly provided with mounting flange 7, and pressure relief valve body 1 is provided with positioning mechanism.

[0021] In the embodiment, the bottom of the pressure relief valve body 1 is fixedly provided with the base 2.

[0022] In the embodiment, the side of the connecting flange 4 is fixedly provided with a plurality of sealing strips 6, which facilitates to increase the tightness of the connection.

[0023] In the embodiment, a plurality of connecting holes are formed in one side of the connecting flange 4 and the mounting flange 7, a same bolt 5 can be detachably installed in two connecting holes located on the same side, a plurality of mounting nuts 8 are fixedly installed on the inner side of the connecting holes of the mounting flange 7, and the plurality of mounting nuts 8 are respectively threadedly connected with the corresponding bolts 5.

[0024] In the embodiment, a cross recess is formed in one end of the plurality of bolts 5, which facilitates the installation of the staff.

[0025] In the embodiment, the positioning mechanism includes four positioning metal blocks 13, four racks 14 and a flat threaded disc 15, the flat threaded disc 15 is rotatably sleeved on the pressure relief valve body 1, four sliding ports 9 are formed on the outer side of the mounting flange 7, the positioning metal blocks 13 are slidingly installed in the inner side of the four sliding ports 9, the racks 14 are fixedly installed on one side of the four positioning metal blocks 13, and the four racks 14 are adapted with the same flat threaded disc 15, so that the four racks 14 can be moved by the flat threaded disc 15.

[0026] In the embodiment, limiting grooves 10 are formed in the inner walls on both sides of the four sliding ports 9, guide strips 12 are fixedly installed on both sides of the four positioning metal blocks 13, and the plurality of guide strips 12 are slidingly installed in the corresponding limiting grooves 10, which facilitates to guide the positioning metal blocks 13 and limit the moving track thereof.

[0027] In the embodiment, one side of the four positioning metal blocks 13 is fixedly provided with a clamping metal block 11, one side of the four clamping metal blocks 11 is in contact with the surface of the same connecting pipeline 3, one side of the four positioning metal blocks 13 is provided with a positioning hole, the four positioning holes are slidably provided with a threaded rod 17, and the four threaded rods 17 are respectively screwed with corresponding positioning nuts 16.

[0028] Working principle: when installing, the worker first places the pressure relief valve body 1 in the specified position, aligns the pressure relief valve body 1 with the connecting pipeline 3, then holds the connecting pipeline 3 with one hand, and rotates the flat threaded disc 15 with the other hand; the rotation of the flat threaded disc 15 drives the movement of the plurality of racks 14; since one side of the plurality of racks 14 is fixedly provided with the positioning metal block 13, the plurality of positioning metal blocks 13 are slidably installed in the sliding opening 9, and the two sides of the plurality of positioning metal blocks 13 are provided with the guide strip 12, the plurality of guide strips 12 are slidably installed in the corresponding limiting groove 10, so that the movement track of the plurality of positioning metal blocks 13 is limited and can only move up and down; the rotation of the flat threaded disc 15 drives the plurality of positioning metal blocks 13 to slide inward, one side of the plurality of positioning metal blocks 13 is fixedly provided with the clamping metal block 11, and the plurality of clamping metal blocks 11 are in contact with the surface of the same connecting pipeline 3; the positioning is completed, then the worker can loosen the connecting pipeline 3, and connects the plurality of bolts 5 with the corresponding mounting nuts 8 to complete the fixing, then the plurality of threaded rods 17 are passed through the corresponding positioning metal blocks 13 and connected with the corresponding positioning nuts 16, and the plurality of positioning metal blocks 13 are fixed and limited, which can effectively increase the tightness of the connection.

[0029] The technical progress obtained by the utility model relative to the prior art is that the pressure relief valve body 1 can be quickly aligned and connected with the connecting pipeline 3, and can be kept stable after alignment, which is convenient for the worker to use the bolt 5 for fixed connection subsequently, the positioning mechanism and the bolt connection can effectively improve the tightness and stability of the connection, and the practicability of the equipment is increased.

Claims

1. An auxiliary connection device for a pressure relief valve, characterized in that, Including pressure relief valve body (1), one side of pressure relief valve body (1) is equipped with connecting pipeline (3), connecting flange plate (4) is fixedly arranged on connecting pipeline (3), four positioning nuts (16) are fixedly installed on one side of connecting flange plate (4); The mounting flange plate (7) is fixedly arranged on the pressure relief valve body (1), and the positioning mechanism is arranged on the pressure relief valve body (1).

2. An auxiliary connection device for a pressure relief valve according to claim 1, characterized in that The base (2) is fixedly installed on the bottom of the pressure relief valve body (1).

3. An auxiliary connection device for a pressure relief valve according to claim 1, characterized in that A plurality of sealing strips (6) are fixedly installed on one side of the connecting flange plate (4).

4. An auxiliary connection device for a pressure relief valve according to claim 1, characterized in that A plurality of connecting holes are formed in one side of the connecting flange plate (4) and the mounting flange plate (7), a same bolt (5) is detachably installed in two connecting holes on the same side, a mounting nut (8) is fixedly installed on the inner side of each connecting hole of the mounting flange plate (7), and the plurality of mounting nuts (8) are respectively screwed with the corresponding bolts (5).

5. An auxiliary connection device for a pressure relief valve according to claim 4, characterized in that Cross recesses are formed in one end of the plurality of bolts (5).

6. An auxiliary connection device for a pressure relief valve according to claim 1, characterized in that The positioning mechanism comprises four positioning metal blocks (13), four racks (14) and a plane threaded disc (15), the plane threaded disc (15) is rotatably arranged on the pressure relief valve body (1), four sliding openings (9) are formed in the outer side of the mounting flange plate (7), the positioning metal blocks (13) are slidingly installed in the inner sides of the four sliding openings (9), the racks (14) are fixedly installed on one side of the positioning metal blocks (13), and the four racks (14) are matched with the same plane threaded disc (15).

7. An auxiliary connection device for a pressure relief valve according to claim 6, characterized in that Limiting grooves (10) are formed in the inner walls on both sides of the four sliding openings (9), the guiding strips (12) are fixedly installed on both sides of the four positioning metal blocks (13), and the plurality of guiding strips (12) are slidingly installed in the corresponding limiting grooves (10).

8. An auxiliary connection device for a pressure relief valve according to claim 7, characterized in that The clamping metal blocks (11) are fixedly installed on one side of the four positioning metal blocks (13), one side of the four clamping metal blocks (11) is in contact with the surface of the same connecting pipeline (3), the positioning holes are formed in one side of the four positioning metal blocks (13), the threaded rods (17) are slidingly installed in the four positioning holes, and the four threaded rods (17) are respectively screwed with the corresponding positioning nuts (16).

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