CN218408659U

CN218408659U - Double-isolation pressure relief valve

Info

Publication number: CN218408659U
Application number: CN202222410994.7U
Authority: CN
Inventors: 王成元; 王应生
Original assignee: Yancheng Longwei Machinery Co ltd
Current assignee: Yancheng Longwei Machinery Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-01-31
Anticipated expiration: 2032-09-13

Abstract

The utility model relates to a two isolation pressure release valves, including the pressure release valve body, the last fixed surface of pressure release valve body has first flange, the left and right sides face of first flange is equipped with installation mechanism, the lower fixed surface of pressure release valve body has the second flange, the top of first flange is equipped with the base, the last perpendicular surface of base is fixed with a pressure release section of thick bamboo, the upper surface of a pressure release section of thick bamboo is equipped with protection machanism. This two isolation relief valve door has set up installation mechanism in this relief valve door, through the mutually supporting between each structure in the installation mechanism, need maintain this relief valve door in the later stage when maintaining, demolish just very conveniently to the part on this relief valve door, the staff just can very simply demolish the part on this pressure application valve door, it is convenient to subsequent maintenance, the work load that has reduced the staff has improved this pressure application valve door, the protection machanism that deuterogamies plays good guard action to this relief valve door.

Description

Double-isolation pressure relief valve

Technical Field

The utility model relates to a pressure relief valve technical field specifically is a two pressure relief valves that keep apart.

Background

The pressure relief valve is usually installed on an outlet pipeline of an air bag, the caliber of the air bag pressure relief valve is not smaller than the diameter of an air outlet pipe, the pressure relief is determined according to the highest working pressure of the air compressor, when the pressure in the air bag exceeds the pressure relief critical point of the pressure relief valve, a piston of the pressure relief valve can be automatically opened to achieve the purpose of pressure relief, the existing pressure relief valve usually comprises an air cylinder, a piston group or a bursting disc, a protective cover and the like, at present, double-isolation pressure relief valves are mostly used in an air compressor system, and due to the internal double-isolation structural design, the practicability of the pressure relief valve is higher.

The double-isolation pressure relief valve in the market at present is various in types, but most of double-isolation pressure relief valves have the defect of inconvenient disassembly and assembly, in the prior art, most of double-isolation pressure relief valves are connected by bolts when being installed, and most of pressure relief valves are large in size, so that the disassembly and assembly of parts on the pressure relief valves are very troublesome when the pressure relief valves are maintained in the later period, the workload of workers is greatly increased, and the pressure relief valves are not convenient to disassemble and assemble by people, so that the practicability of the pressure relief valves is reduced.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides a two isolation pressure relief valves possesses the advantage that makes things convenient for the dismouting, when having solved the later stage to the maintenance of pressure relief valve, the inconvenient problem of dismouting.

In order to achieve the above object, the utility model provides a following technical scheme: a double-isolation pressure relief valve comprises a pressure relief valve body, wherein a first flange is fixed on the upper surface of the pressure relief valve body, mounting mechanisms are arranged on the left side surface and the right side surface of the first flange, a second flange is fixed on the lower surface of the pressure relief valve body, a base is arranged above the first flange, a pressure relief cylinder is vertically fixed on the upper surface of the base, and a protection mechanism is arranged on the upper surface of the pressure relief cylinder;

installation mechanism includes control assembly and compresses tightly the subassembly, control assembly is including seting up the mounting groove in first flange left and right sides face, the left and right sides face of first flange all rotates and is connected with the other end and runs through and extend to the bull stick of mounting groove inside, two the one end that the bull stick is relative all is fixed with the hand wheel, two the one end that the bull stick is relative all is fixed with the initiative helical gear, the outside meshing of initiative helical gear has driven helical gear, the internal fixation threaded rod of driven helical gear.

Furthermore, two the relative lateral wall of mounting groove all is fixed with the mount that plays supporting role to the bull stick, the bull stick rotates the inside of connecting at the mount.

Further, the threaded rod is rotated and is connected in the mounting groove between the relative one side of roof and interior bottom wall, the left and right sides face of first flange has all been seted up and has been supplied bull stick male activity hole, activity hole and bull stick clearance fit.

Further, the compressing assembly comprises a sleeve which is connected to the outer side of the threaded rod in a threaded mode, a connecting rod is fixed to one side, back to back, of the sleeve, an L-shaped side plate is fixed to one end, back to back, of the connecting rod, and an arc-shaped block is fixed to the lower surface of the inner side of the L-shaped side plate.

Further, the upper surface of base is seted up and is supplied arc piece male arc wall, arc wall and arc piece clearance fit.

Furthermore, the protection mechanism comprises two telescopic rods which are vertically fixed on the upper surface of the pressure release cylinder, a buffer plate is fixed at one end, away from the pressure release cylinder, of each telescopic rod, a positioning sleeve is vertically fixed on the upper surface of the pressure release cylinder, a positioning rod with the other end penetrating through the inside of the positioning sleeve is fixed on the lower surface of the buffer plate, and a spring fixed with the bottom wall of the inner cavity of the positioning sleeve is fixed at one end, away from the buffer plate, of the positioning rod.

Further, a rubber buffer pad is fixed on the upper surface of the buffer plate, and the diameter of the buffer plate is larger than that of the pressure release cylinder.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this two isolation relief valve door has set up installation mechanism in this relief valve door, through the mutually supporting between each structure in the installation mechanism, need maintain this relief valve door in the later stage when maintaining, demolish just very conveniently to the part on this relief valve door, and the part that the staff just can very simply will exert pressure on the valve door is demolishd, provides convenience to subsequent maintenance, has reduced staff's work load, has improved the practicality of this pressure application valve door.

2. This two isolation relief valves has set up protection machanism in this pressure valve door, through mutually supporting between each structure among the protection machanism, can provide good guard action to this pressure valve door, because this pressure relief valve is used for outdoor environment more, can alleviate the impact force that this relief valve brought when eminence object drops like this, has guaranteed the normal operating of this relief valve door.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the installation mechanism of the present invention;

fig. 3 is a schematic view of the protection mechanism of the present invention.

In the figure: the pressure relief valve comprises a pressure relief valve body 1, a first flange 2, a mounting mechanism 3, a 301 mounting groove, a 302 rotating rod, a 303 handwheel, a 304 driving bevel gear, a 305 driven bevel gear, a 306 threaded rod, a 307 sleeve, a 308 connecting rod, a 309L-shaped side plate, a 310 arc-shaped block, a 4 second flange, a 5 base, a 6 pressure relief cylinder, a 7 protection mechanism, a 701 telescopic rod, a 702 buffer plate, a 703 positioning sleeve, a 704 positioning rod and a 705 spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the double-isolation pressure relief valve in the embodiment includes a pressure relief valve body 1, a first flange 2 is fixed on an upper surface of the pressure relief valve body 1, mounting mechanisms 3 are disposed on left and right sides of the first flange 2, a second flange 4 is fixed on a lower surface of the pressure relief valve body 1, the second flange 4 is a connecting member of the pressure relief valve body 1 mounted on a compressor system, the pressure relief valve body 1 is mounted on the compressor system, a base 5 is disposed above the first flange 2, a pressure relief cylinder 6 is vertically fixed on an upper surface of the base 5, and a protection mechanism 7 is disposed on an upper surface of the pressure relief cylinder 6.

The pressure release cylinder 6 can release the pressure in the valve, when the pressure exceeds the pressure release critical point of the pressure release valve, the parts in the pressure release valve can be matched with each other to release the pressure, so that the purpose of releasing the pressure is achieved, and the pressure is released when the pressure release cylinder 6 is released.

Referring to fig. 2, the mounting mechanism 3 in this embodiment includes a control component and a pressing component, the control component includes mounting grooves 301 formed on left and right sides of the first flange 2, the left and right sides of the first flange 2 are rotatably connected with rotating rods 302 having the other ends penetrating through and extending into the mounting grooves 301, opposite ends of the two rotating rods 302 are respectively fixed with a hand wheel 303, the hand wheel 303 is a common product in the market and will not be described herein again, opposite ends of the two rotating rods 302 are respectively fixed with a driving helical gear 304, an outer side of the driving helical gear 304 is engaged with a driven helical gear 305, and a threaded rod 306 is fixed inside the driven helical gear 305.

Wherein, two opposite lateral walls of mounting groove 301 all are fixed with the mount that plays supporting role to bull stick 302, and bull stick 302 rotates the inside of connecting at the mount, and the mount plays limiting displacement to bull stick 302, and threaded rod 306 rotates to be connected in mounting groove 301 between the relative one side of roof and interior bottom wall, and the left and right sides face of first flange 2 all is seted up and is supplied bull stick 302 male activity hole, activity hole and bull stick 302 clearance fit.

The pressing assembly comprises a sleeve 307 which is in threaded connection with the outer side of the threaded rod 306, connecting rods 308 are fixed on the opposite sides of the two sleeves 307, L-shaped side plates 309 are fixed on the opposite ends of the two connecting rods 308, arc-shaped blocks 310 are fixed on the lower surfaces of the inner sides of the L-shaped side plates 309, the connecting rods 308 and the L-shaped side plates 309 are connecting pieces, and the arc-shaped blocks 310 are driven to move by the movement of the sleeve 307.

The upper surface of base 5 is seted up and is supplied arc piece 310 male arc wall, and arc wall and arc piece 310 clearance fit, when this valve normal use, arc piece 310 inserts in the arc wall.

It should be noted that, the sliding grooves are formed in one side wall of each of the two opposite mounting grooves 301, the sliding blocks are fixed on one side of each of the two opposite sleeves 307, the sliding blocks are slidably connected inside the sliding grooves, and when the sleeves 307 perform vertical linear motion, the sliding blocks and the sliding grooves limit the sleeves 307.

Referring to fig. 3, in order to solve the above problem, the protection mechanism 7 of the present embodiment includes two telescopic rods 701 vertically fixed on the upper surface of the pressure release cylinder 6, a buffer plate 702 is fixed on one end of the telescopic rod 701 away from the pressure release cylinder 6, the buffer plate 702 is a plate with a protection function and has a buffer function on the impact force, a positioning sleeve 703 is vertically fixed on the upper surface of the pressure release cylinder 6, a positioning rod 704 is fixed on the lower surface of the buffer plate 702 and has the other end penetrating into the positioning sleeve 703, and a spring 705 fixed on the bottom wall of the inner cavity of the positioning sleeve 703 is fixed on one end of the positioning rod 704 away from the buffer plate 702.

The upper surface of buffer board 702 is fixed with rubber buffer, and rubber buffer self texture is soft, can prevent that the eminence from weighing down the thing and pound buffer board 702 bad, and the diameter of buffer board 702 is greater than the diameter of a section of thick bamboo 6 that releases.

It should be noted that the telescopic rod 701 is composed of a sleeve bin and a moving rod, one end of the moving rod penetrates through and extends into the sleeve bin, a limiting block located inside the sleeve bin is fixedly connected to the outer side of the moving rod, a through hole matched with the moving rod is formed in one side of the sleeve bin, and the moving rod is prevented from being separated from the sleeve bin in the moving process by the limiting block.

It will be appreciated that as the retainer rod 704 slides within the retainer 703, the spring 705 deforms, which produces damping, which is the characteristic of any vibrating system that experiences a gradual decrease in vibration amplitude during vibration due to external effects such as fluid resistance and friction, or other causes inherent in the system itself.

The working principle of the above embodiment is as follows:

(1) When an object falls from a high place, the object is firstly contacted with the buffer plate 702, the buffer plate 702 is subjected to impact force and is acted by the impact force, the buffer plate 702 moves towards the pressure release cylinder 6, at the moment, the lengths of the two telescopic rods 701 are shortened, the positioning rod 704 moves downwards while the buffer plate 702 moves downwards, the spring 705 is compressed while the positioning rod 704 slides in the positioning sleeve 703, damping is generated at the moment, the damping refers to the characteristic that the vibration amplitude of any vibration system is gradually reduced due to external actions such as fluid resistance, friction force and the like or the inherent reasons of the system during vibration, the impact force can be effectively weakened due to the elasticity of the spring 705 and the tension generated during rebounding of the spring, and the length change of the telescopic rods 701 is matched, so that the impact force can be effectively weakened, and after the impact force is weakened, the pressure release valve can be well protected, and the damage to the pressure release valve caused by the impact force is reduced to the minimum.

(2) When the pressure release valve needs to be disassembled and internal parts are maintained, firstly, the pressure release cylinder 6 and the pressure release valve body 1 are separated, at this time, a worker only needs to control two hand wheels 303 to rotate the hand wheels 303, the rotation of the hand wheels 303 drives the rotating rods 302 to rotate, the rotation of the rotating rods 302 drives the driving bevel gears 304 to rotate, the driving bevel gears 304 drive the driven bevel gears 305 to rotate, the driven bevel gears 305 drive the threaded rods 306 to rotate, the sleeves 307 in threaded connection with the outer sides of the threaded rods 306 do vertical linear motion, when the sleeves 307 move upwards, the connecting rods 308 are driven to move upwards, when the connecting rods 308 move upwards, the L-shaped side plates 309 are driven to move upwards, at this time, the arc-shaped blocks 310 leave the arc-shaped grooves, at this time, the worker can disassemble the pressure release cylinder 6 and the base 5, then, maintenance can be performed on the parts in the pressure release valve body 1, and after the maintenance is completed, the base 5 and the pressure release cylinder 6 are installed on the first flange 2, and the installation mode is relatively simple.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a two isolation relief valve, includes relief valve body (1), its characterized in that: a first flange (2) is fixed on the upper surface of the pressure relief valve body (1), mounting mechanisms (3) are arranged on the left side surface and the right side surface of the first flange (2), a second flange (4) is fixed on the lower surface of the pressure relief valve body (1), a base (5) is arranged above the first flange (2), a pressure relief cylinder (6) is vertically fixed on the upper surface of the base (5), and a protection mechanism (7) is arranged on the upper surface of the pressure relief cylinder (6);

installation mechanism (3) are including control assembly and compress tightly the subassembly, control assembly is including seting up mounting groove (301) at first flange (2) left and right sides face, the left and right sides face of first flange (2) all rotates and is connected with other end and runs through and extend to mounting groove (301) inside bull stick (302), two the one end that bull stick (302) is relative all is fixed with hand wheel (303), two the one end that bull stick (302) is relative all is fixed with initiative helical gear (304), the outside meshing of initiative helical gear (304) has driven helical gear (305), the internal fixation of driven helical gear (305) has threaded rod (306).

2. A dual isolation pressure relief valve as defined in claim 1, wherein: two the relative lateral wall of mounting groove (301) all is fixed with the mount that plays supporting role to bull stick (302), bull stick (302) rotate to be connected in the inside of mount.

3. A dual isolation pressure relief valve as defined in claim 1, wherein: threaded rod (306) rotate to be connected in mounting groove (301) between the relative one side of roof and interior bottom wall, the left and right sides face of first flange (2) has all been seted up and has been supplied bull stick (302) male activity hole, activity hole and bull stick (302) clearance fit.

4. A dual isolation pressure relief valve as defined in claim 1, wherein: the pressing assembly comprises a sleeve (307) which is in threaded connection with the outer side of the threaded rod (306), two connecting rods (308) are fixed on one side of each sleeve (307) which is opposite to each other, an L-shaped side plate (309) is fixed on one end of each connecting rod (308) which is opposite to each other, and an arc-shaped block (310) is fixed on the lower surface of the inner side of the L-shaped side plate (309).

5. A dual isolation pressure relief valve as defined in claim 4, wherein: the upper surface of base (5) is seted up and is supplied arc piece (310) male arc wall, arc wall and arc piece (310) clearance fit.

6. A dual isolation pressure relief valve as defined in claim 1, wherein: the protection mechanism (7) comprises two telescopic rods (701) vertically fixed on the upper surface of a pressure release cylinder (6), a buffer plate (702) is fixed at one end, away from the pressure release cylinder (6), of each telescopic rod (701), a positioning sleeve (703) is vertically fixed on the upper surface of the pressure release cylinder (6), a positioning rod (704) with the other end penetrating into the positioning sleeve (703) is fixed on the lower surface of the buffer plate (702), and a spring (705) fixed with the bottom wall of the inner cavity of the positioning sleeve (703) is fixed at one end, away from the buffer plate (702), of each positioning rod (704).

7. A double isolation pressure relief valve as defined in claim 6, wherein: the upper surface of the buffer plate (702) is fixed with a rubber buffer pad, and the diameter of the buffer plate (702) is larger than that of the pressure release cylinder (6).