Pressure release valve convenient to assemble

Abstract

The pressure release valve convenient to assemble comprises a pressure release valve body and a pipe hoop piece, the pressure release valve body comprises a valve seat, a pipe inserting part is integrally formed at the bottom of the valve seat, the pipe hoop piece comprises a first hoop disc and a second hoop disc, one end of the first hoop disc is connected with one end of the second hoop disc through a hinge piece, and a pressure release valve connecting seat is integrally formed at the top of the first hoop disc. An external thread part is arranged in the middle of the pipe inserting part and is in threaded connection with the interior of the pressure release valve connecting base. When a pipeline is connected, an insertion hole used for the pipe insertion part is reserved or formed in the pipe fitting, the pipe insertion part is inserted into the pipe fitting, meanwhile, the first hoop disc and the second hoop disc are clamped outside the pipe fitting, the second hoop disc provided with the ratchets is pressed into the third hoop disc, the buckling tooth end of the ratchet fastener is matched and buckled with the tooth grooves of the ratchets, and therefore the pipe fitting is connected with the pipeline. Therefore, rapid assembly is completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure relief valve technical field especially relates to a kind of pressure relief valve of convenient assembly. BACKGROUND

[0002] Pressure relief valve is also called safety valve, it is a kind of safety device when system pressure exceeds set value, excess pressure is released automatically. Chinese patent application No. CN201820713612.9 discloses a kind of pressure relief valve and steam generating device using the pressure relief valve, including pressure relief valve shell, inlet and first outlet are connected on pressure relief valve shell, inlet and first outlet are connected on the passage of the through hole, pressure relief valve shell is also provided with the second outlet that can be communicated with the through hole. When pressure relief valve is connected, it needs to be connected in series with waterway, it is more complicated on assembly and disassembly maintenance. SUMMARY

[0003] To solve the above problems, the utility model provides a kind of pressure relief valve of convenient assembly, to more exactly solve the above-mentioned problems.

[0004] The utility model is realized by the following technical scheme:

[0005] The utility model provides a kind of pressure relief valve of convenient assembly, including pressure relief valve and pipe clamp piece, the pressure relief valve includes valve seat, the bottom of valve seat is integrally formed with the pipe insertion part, the pipe clamp piece includes first clamp disc and second clamp disc, first clamp disc, second clamp disc one end is connected by hinged element, the top of first clamp disc is integrally formed with pressure relief valve connecting seat, the middle part of pipe insertion part is equipped with outer screw part, and outer screw part is screwed in pressure relief valve connecting seat, the top of outer screw part is integrally formed with hexagonal wrenching part, the outer wall of second clamp disc is equipped with ratchet, first clamp disc is integrally formed with the third clamp disc that is embraced in the outside of ratchet, the middle part of third clamp disc is equipped with ratchet buckle, ratchet buckle is hinged on the pair of hinged ear seat of the outer wall of third clamp disc by pin element, and the buckle tooth end of ratchet buckle is matched with the tooth groove of ratchet and is buckled, the both sides of ratchet buckle are equipped with torsional spring between hinged ear seat, the valve seat is equipped with pressure relief cavity, the inside of pressure relief cavity is equipped with pressure relief piston, the upper side of pressure relief piston is equipped with pressure regulating sliding block, and pressure relief spring is arranged between pressure relief piston and pressure regulating sliding block, the side of valve seat is equipped with pressure relief interface that is communicated with pressure relief cavity.

[0006] Further, the bottom end of the pipe insertion part penetrates the middle part of the pipe clamp piece, and the bottom end of the pipe insertion part is a conical tapered pipe.

[0007] Further, the first clamp disc is provided with a sealing ring groove at the position where the pipe insertion part penetrates, and a sealing gasket is fitted in the sealing ring groove.

[0008] Further, the outer wall of the pressure relief piston is provided with 2-3 piston rings, and the piston rings are in sliding contact with the pressure relief cavity.

[0009] Further, the upper end of the valve seat is rotationally connected with a pressure regulating knob, and the upper end of the pressure regulating sliding block is provided with a pressure regulating screw rod, and the pressure regulating screw rod is screwed with the pressure regulating knob.

[0010] Further, the bottom of the pressure regulating knob is integrally formed with a "convex" shaped adapter, and the adapter is adapted in the top of the valve seat.

[0011] The utility model discloses the beneficial effect that:

[0012] 1. The utility model discloses when connecting the pipeline, the insertion hole for the insertion of the pipe part is reserved or set up on the pipe fitting, the pipe part is inserted into the pipe fitting, and the first hoop disc and the second hoop disc are embraced on the outside of the pipe fitting, and the second hoop disc with the ratchet is pressed into the third hoop disc, so that the tooth end of the ratchet fastener is matched with the tooth groove of the ratchet and buckled, thereby completing the quick assembly.

[0013] 2. The utility model discloses rotating the pressure regulating knob, so that the pressure regulating knob is engaged with the pressure regulating screw rod (1051) transmission, thereby controlling the position of the pressure regulating sliding block, changing the pressure of the pressure relief spring on the pressure relief piston, i. e. changing the pressure relief pressure, and the operation is simple. DRAWINGS

[0014] Figure 1 It is the partial sectional view of the utility model three-dimensional structure.

[0015] Figure 2 It is the three-dimensional structure schematic diagram of the utility model.

[0016] Figure 3 It is the sectional view of the utility model structure.

[0017] In the drawing: 1, pressure relief valve;101, valve seat;102, pipe part;1021, external thread part;1022, hexagonal wrench turning part;103, pressure relief cavity;104, pressure relief piston;105, pressure regulating sliding block;1051, pressure regulating screw rod;106, pressure relief spring;107, pressure relief interface;108, pressure regulating knob;1081, adapter;2, pipe hoop piece;201, first hoop disc;2011, third hoop disc;202, second hoop disc;2021, ratchet;203, pressure relief valve connecting seat;2031, sealing washer;204, ratchet fastener;2041, hinged lug seat;2042, torsional spring;3, pipe fitting. DETAILED DESCRIPTION

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Example 1

[0020] An easy-to-assemble pressure relief valve includes a pressure relief valve 1 and a pipe clamp 2. The pressure relief valve 1 includes a valve seat 101, the bottom of which is integrally formed with an insertion tube portion 102. The pipe clamp 2 includes a first clamp plate 201 and a second clamp plate 202, one end of which is connected by a hinge. The top of the first clamp plate 201 is integrally formed with a pressure relief valve connecting seat 203. The insertion tube portion 102 has an external thread portion 1021 in the middle, which is screwed into the pressure relief valve connecting seat 203. The top of the external thread portion 1021 has an integrally formed hexagonal turning portion 1022. The bottom end of the insertion tube portion 102 passes through the middle of the pipe clamp 2, and the bottom end of the insertion tube portion 102 is a conical constricted insertion tube shape. Figure 3 As shown, when connecting pipelines, this utility model provides or opens an insertion hole for the insertion part 102 on the pipe fitting 3, allowing the insertion part 102 to be inserted into the pipe fitting 3, while simultaneously enclosing the first clamping plate 201 and the second clamping plate 202 around the outside of the pipe fitting 3. The first clamping plate 201 has a sealing ring groove at the penetration point of the insertion part 102, and a sealing gasket 2031 is fitted in the sealing ring groove to ensure the sealing of the insertion point of the insertion part 102.

[0021] Combination Figure 2 and Figure 3 As shown, the second hoop 202 has ratchet 2021 on its outer wall. The first hoop 201 is integrally formed with a third hoop 2011 that hugs the outside of the ratchet 2021. The third hoop 2011 has a ratchet fastener 204 in the middle. The ratchet fastener 204 is hinged to a pair of hinge lugs 2041 on the outer wall of the third hoop 2011 by a pin. The fastening end of the ratchet fastener 204 engages with the tooth groove of the ratchet 2021. Torsion springs 2042 are provided between the two sides of the ratchet fastener 204 and the hinge lugs 2041. During the installation of the pipe clamp 2 onto the pipe fitting 3, simply press the second clamp plate 202 with ratchet 2021 into the third clamp plate 2011, so that the buckling end of the ratchet fastener 204 engages with the groove of the ratchet 2021 to complete the quick assembly. By pressing the ratchet fastener 204 to disengage its buckling end from the groove of the ratchet 2021, the first clamp plate 201 and the second clamp plate 202 can be unfolded, thereby disassembling the pipe clamp 2.

[0022] The technical scheme in the embodiment of the application has at least the following technical effects or advantages: the utility model discloses when connecting the pipeline, the insertion hole for the pipe inserting part 102 is reserved or set on the pipe fitting 3, the pipe inserting part 102 is inserted into the pipe fitting 3, and the first hoop disc 201 and the second hoop disc 202 are simultaneously embraced on the outside of the pipe fitting 3, the second hoop disc 202 provided with the ratchet 2021 is simultaneously pressed into the third hoop disc 2011, the tooth end of the ratchet fastener 204 is matched with the tooth groove of the ratchet 2021 and buckled, thereby completing the quick assembly.

[0023] Embodiment 2

[0024] The pressure relief cavity 103 is arranged in the valve seat 101, the pressure relief piston 104 is arranged in the pressure relief cavity 103, the pressure relief spring 106 is arranged between the pressure relief piston 104 and the pressure relief sliding block 105, and the pressure relief interface 107 is arranged on one side of the valve seat 101 and communicates with the pressure relief cavity 103.

[0025] The pressure relief sliding block 105 is arranged on the upper end of the valve seat 101, the pressure relief spring 106 is arranged between the pressure relief piston 104 and the pressure relief sliding block 105, the pressure relief piston 104 is arranged above the pressure relief interface 107 when the high-pressure fluid is introduced into the pressure relief cavity 103 along the pipe inserting part 102, the pressure relief spring 106 is compressed, the pressure relief piston 104 is moved to above the pressure relief interface 107, and the high-pressure fluid is discharged.

[0026] The pressure relief sliding block 105 is arranged on the upper end of the valve seat 101, the pressure relief spring 106 is arranged between the pressure relief piston 104 and the pressure relief sliding block 105, the pressure relief piston 104 is arranged above the pressure relief interface 107 when the high-pressure fluid is introduced into the pressure relief cavity 103 along the pipe inserting part 102, the pressure relief spring 106 is compressed, the pressure relief piston 104 is moved to above the pressure relief interface 107, and the high-pressure fluid is discharged.

[0027] Of course, the utility model discloses still can have other various implementation manners, based on this implementation manner, the ordinary skill in the art person obtains other implementation manners without any creative labor, all belong to the range that the utility model discloses protects.

Claims

1. A pressure relief valve for easy assembly comprising a pressure relief valve (1) and a pipe clamp member (2), characterized in that, The pressure relief valve (1) comprises a valve seat (101), the bottom of the valve seat (101) is integrally formed with a pipe inserting part (102), the pipe clamping part (2) comprises a first clamping disc (201) and a second clamping disc (202), one end of the first clamping disc (201) and the second clamping disc (202) is connected through a hinge, the top of the first clamping disc (201) is integrally formed with a pressure relief valve connecting seat (203), the middle of the pipe inserting part (102) is provided with an external thread part (1021), the external thread part (1021) is screwed in the pressure relief valve connecting seat (203), the top of the external thread part (1021) is integrally formed with a hexagonal wrench turning part (1022), the outer wall of the second clamping disc (202) is provided with a ratchet (2021), the first clamping disc (201) is integrally formed with a third clamping disc (2011) which is embraced outside the ratchet (2021), the middle of the third clamping disc (2011) is provided with a ratchet buckle (204), the ratchet buckle (204) is hinged on a pair of hinge ear seats (2041) provided on the outer wall of the third clamping disc (2011) through a pin, and the buckle tooth end of the ratchet buckle (204) is matched and buckled with the tooth groove of the ratchet (2021), the two sides of the ratchet buckle (204) and the hinge ear seats (2041) are provided with torsional springs (2042), the valve seat (101) is provided with a pressure relief cavity (103) in the middle, the pressure relief cavity (103) is provided with a pressure relief piston (104) inside, the pressure relief piston (104) is provided with a pressure regulating sliding block (105) above, and the pressure relief piston (104) and the pressure regulating sliding block (105) are provided with a pressure relief spring (106) therebetween, one side of the valve seat (101) is provided with a pressure relief interface (107) which is communicated with the pressure relief cavity (103).

2. A pressure relief valve for easy assembly according to claim 1, characterized in that The bottom end of the pipe inserting part (102) penetrates through the middle of the pipe clamping part (2), and the bottom end of the pipe inserting part (102) is a conical necked pipe.

3. A pressure relief valve for easy assembly according to claim 1, wherein The first clamping disc (201) is provided with a sealing ring groove at the penetrating position of the pipe inserting part (102), and a sealing washer (2031) is matched in the sealing ring groove.

4. A pressure relief valve for easy assembly according to claim 1, wherein The outer wall of the pressure relief piston (104) is provided with 2-3 piston rings, and the piston rings are matched with the pressure relief cavity (103) for sliding contact.

5. A pressure relief valve for easy assembly according to claim 1, wherein The upper end of the valve seat (101) is rotatably connected with a pressure regulating knob (108), the upper end of the pressure regulating sliding block (105) is provided with a pressure regulating screw rod (1051), and the pressure regulating screw rod (1051) is screwed with the pressure regulating knob (108).

6. A pressure relief valve for easy assembly according to claim 5, characterized in that The bottom of the pressure regulating knob (108) is integrally formed with a "convex" shaped adapter, and the adapter is adapted to the top of the valve seat (101).

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