CN208457275U - A kind of highly-safe hardware safety valve - Google Patents

Abstract

The utility model discloses a kind of highly-safe hardware safety valves; including main body and guide sleeve; the over top of main body is equipped with bonnet; bonnet is connect with body rotation; the left and right sides of bonnet is equipped with handle; handle is fixedly connected with bonnet, and the lower end of main body is equipped with protective cover, and protective cover is fitted closely with main body.This kind of highly-safe hardware safety valve, the inside of bonnet is equipped with jackscrew, when the setting of jackscrew is that spring is broken in order to prevent, cause the generation of dielectric leakage accident, it and is in that the jackscrew of " cylinder " shape can effectively prevent flap from opening, to achieve the effect that prevent medium from flowing out, play the role of a double insurance, substantially increase the security performance of safety valve, the upper end of protective cover is equipped with pressure gauge, pressure gauge can accurately indicate the height of safety valve internal pressure, to make staff more intuitively be apparent from internal pressure situation, to guarantee that device can be safely operated, it improves work efficiency, reduce the probability of happening of safety accident.

Description

A kind of highly-safe hardware safety valve

Technical field

The utility model relates to safety valve technical field, specially a kind of highly-safe hardware safety valve.

Background technique

Safety valve is that opening and closing element is in normally off under by external force, is surpassed when the pressure medium in equipment or pipeline increases When crossing specified value, by outside system discharge medium come to prevent pressure medium in pipeline or equipment be more than the particular usage valve of specified value Door is mainly used for boiler, on pressure vessels and pipes, and control pressure is no more than specified value, runs to personal safety and equipment Important protective effect, prevents safety accident.

But existing safety valve manufacturing cost is low, and of poor quality, high material consumption causes the waste of resource, in production process Present in quality problems frequently can lead to safety valve and bring serious security risk during the work time, security performance is without very Good guarantee, it is easy to safety accident occurs during the work time, causes the harm of human body, safety valve structure also is complicated, It is troublesome in poeration, be not suitable for daily use.

So how to design a kind of highly-safe hardware safety valve, becoming us will currently be solved the problems, such as.

Utility model content

The purpose of this utility model is to provide a kind of highly-safe hardware safety valves, to solve in above-mentioned background technique The security performance of proposition does not ensure well, it is easy to the problem of safety accident occurs during the work time.

To achieve the above object, the utility model provides the following technical solutions: a kind of highly-safe hardware safety valve, packet Main body and guide sleeve are included, the over top of the main body is equipped with bonnet, and the bonnet is connect with body rotation, a left side for the bonnet Right two sides are equipped with handle, and the handle is fixedly connected with bonnet, and the lower end of the main body is equipped with protective cover, the protective cover and master Body fits closely, and the inside of the protective cover is equipped with seal washer, and the seal washer insertion is arranged in protective cover, the guarantor The right side of shield is equipped with automatic valve, and the automatic valve is fixedly connected with protective cover, the inside of the guide sleeve equipped with adjustment screw, Valve rod and spool, the adjustment screw, valve rod and spool, which are embedded in, to be arranged in guide sleeve, is set at left and right sides of the guide sleeve There is flap, the flap is fixedly connected with guide sleeve, and the surface of the flap is equipped with fixing bolt, the fixing bolt and flap The lower end of close connection, the flap is equipped with limited block, and the limited block is arranged in parallel with flap.

Further, the inside of the bonnet is equipped with jackscrew, and the jackscrew is arranged in bonnet in the insertion of " cylinder " shape.

Further, the bottom of the main body is equipped with valve seat, and the valve seat is closely connect with main body, spiral shell inside the valve seat Line is adapted with main body inner wall.

Further, the lateral outer of the automatic valve is equipped with adjusting ring, and the adjusting ring is tight in " circle " and automatic valve Closely connected conjunction.

Further, the upper end of the protective cover is equipped with pressure gauge, and the pressure gauge is arranged in parallel with protective cover.

Further, the inside of the protective cover is equipped with spring, and the spring is arranged in the insertion of " spiral " shape in protective cover In.

Compared with prior art, the utility model has the beneficial effects that this kind of highly-safe hardware safety valve, uses It is the advantages of other hardware safety valves, unreasonable by under main body and the collective effect of jackscrew, solving former hardware relief valve design The problem of, the inside of bonnet is equipped with jackscrew, when the setting of jackscrew is that spring is broken in order to prevent, causes dielectric leakage accident Generation, and be in that the jackscrew of " cylinder " shape can effectively prevent flap from opening, to achieve the effect that prevent medium from flowing out, play The effect of one double insurance, substantially increases the security performance of safety valve, and the upper end of protective cover is equipped with pressure gauge, pressure gauge energy The height of enough accurately instruction safety valve internal pressures, so that staff be made more intuitively to be apparent from internal pressure feelings Condition is improved work efficiency with guaranteeing that device can be safely operated, and reduces the probability of happening of safety accident, the inside of protective cover Equipped with spring, when safety valve is by external force, in the spring of " spiral " shape using its elastic property safety valve from closing State switchs to open state, if safety valve internal pressure is insufficient, safety valve just reverts to closing shape from original open state State, such setting effectively prevent safety valve internal high temperature exception, and protection interior arrangement is against damages, prolongs the service life.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the bonnet partial structural diagram of the utility model；

Fig. 3 is the guide sleeve partial structural diagram of the utility model.

In figure: 1, main body, 2, handle, 3, pressure gauge, 4, protective cover, 5, seal washer, 6, spring, 7, adjusting ring, 8, from Dynamic valve, 9, valve seat, 10, bonnet, 1001, jackscrew, 11, guide sleeve, 1101, adjustment screw, 1102, valve rod, 1103, flap, 1104, spool, 1105, fixing bolt, 1106, limited block.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of highly-safe hardware safety valve, including Main body 1 and guide sleeve 11, the over top of main body 1 are equipped with bonnet 10, and bonnet 10 and main body 1 are rotatablely connected, the left and right of bonnet 10 Two sides are equipped with handle 2, and handle 2 is fixedly connected with bonnet 10, and the lower end of main body 1 is equipped with protective cover 4, and protective cover 4 and main body 1 are close Fitting, the inside of protective cover 4 are equipped with seal washer 5, and the insertion of seal washer 5 is arranged in protective cover 4, and the right side of protective cover 4 is set There is automatic valve 8, automatic valve 8 is fixedly connected with protective cover 4, and the inside of guide sleeve 11 is equipped with adjustment screw 1101,1102 and of valve rod Spool 1104, adjustment screw 1101, valve rod 1102 and spool 1104, which are embedded in, to be arranged in guide sleeve 11, the left and right of guide sleeve 11 Two sides are equipped with flap 1103, and flap 1103 is fixedly connected with guide sleeve 11, and the surface of flap 1103 is equipped with fixing bolt 1105, Fixing bolt 1105 is closely connect with flap 1103, and the lower end of flap 1103 is equipped with limited block 1106, limited block 1106 and flap 1103 are arranged in parallel.

Further, the inside of bonnet 10 is equipped with jackscrew 1001, and jackscrew 1001 is arranged in the insertion of " cylinder " shape in bonnet 10 In, when the setting of jackscrew 1001 is that spring 6 is broken in order to prevent, the generation of dielectric leakage accident is caused, and it is in " cylinder " The jackscrew 1001 of shape can effectively prevent flap 1103 from opening, to achieve the effect that prevent medium from flowing out, play one it is dual The effect of insurance substantially increases the security performance of safety valve.

Further, the bottom of main body 1 is equipped with valve seat 9, and valve seat 9 is closely connect with main body 1,9 internal whorl of valve seat and master 1 inner wall of body is adapted, and entire safety valve can be preferably stably placed in plane by the setting of valve seat 9, plays a branch The effect of support guarantees that safety valve keeps steady status at work, is not easy to rock, and the internal whorl of valve seat 9 and 1 inner wall of main body It being adapted, such be provided with is conducive to dismantle valve seat 9, and facilitate maintenance personal to overhaul safety valve interior arrangement, It is time saving and energy saving.

Further, the lateral outer of automatic valve 8 is equipped with adjusting ring 7, and adjusting ring 7 is closely pasted in " circle " and automatic valve 8 It closes, adjusting ring 7 preferably fits with outside automatic valve 8 in " circle ", for changing channel between main body 1 and automatic valve 8 Size plays the discharge of pressure important to change the size that pressure when valve is initially opened gathers degree in chamber Effect, satisfies the use demand.

Further, the upper end of protective cover 4 is equipped with pressure gauge 3, and pressure gauge 3 is arranged in parallel with protective cover 4,3 energy of pressure gauge The height of enough accurately instruction safety valve internal pressures, so that staff be made more intuitively to be apparent from internal pressure feelings Condition improves work efficiency to guarantee that device can be safely operated, reduces the probability of happening of safety accident.

Further, the inside of protective cover 4 is equipped with spring 6, and spring 6 is arranged in protective cover 4 in the insertion of " spiral " shape, when When safety valve is by external force, safety valve is switched to out from closed state using its elastic property in the spring 6 of " spiral " shape State is put, if safety valve internal pressure is insufficient, safety valve just reverts to closed state from original open state, such to set It is set effective and prevents safety valve internal high temperature abnormal, protection interior arrangement is against damages, prolongs the service life.

Working principle: first checking whether highly-safe hardware safety valve is perfect using preceding, if not having any problems, It can be used, firstly, safety valve is during the work time, the inside of protective cover 4 is equipped with spring 6, when safety valve is by external force When, safety valve is switched to open state from closed state using its elastic property in the spring 6 of " spiral " shape, if in safety valve Portion's insufficient pressure, safety valve just revert to closed state from original open state, and such setting effectively prevents safety valve Internal high temperature is abnormal, and protection interior arrangement is against damages, prolongs the service life, the setting of protective cover 4 is to protect safety valve Surface such as is not rubbed, is soaked at the damage, and surface is cambered surface, has the function of preventing safety valve from falling off, effectively to inside Component achievees the effect that anti-aging and anti-friction protection, and the bottom of main body 1 is equipped with valve seat 9, the setting of valve seat 9 can preferably by Entire safety valve is stably placed in plane, plays the role of a support, guarantees that safety valve keeps firm shape at work State is not easy to rock, and the internal whorl of valve seat 9 is adapted with 1 inner wall of main body, and such be provided with is conducive to tear open valve seat 9 It unloads, maintenance personal is facilitated to overhaul safety valve interior arrangement, it is time saving and energy saving.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of highly-safe hardware safety valve, including main body (1) and guide sleeve (11), it is characterised in that: the main body (1) Over top be equipped with bonnet (10), the bonnet (10) and main body (1) are rotatablely connected, and are set at left and right sides of the bonnet (10) Have handle (2), the handle (2) is fixedly connected with bonnet (10), and the lower end of the main body (1) is equipped with protective cover (4), the guarantor Shield (4) is fitted closely with main body (1), and the inside of the protective cover (4) is equipped with seal washer (5), and the seal washer (5) is embedding Enter to be arranged in protective cover (4), the right side of the protective cover (4) is equipped with automatic valve (8), the automatic valve (8) and protective cover (4) It is fixedly connected, the inside of the guide sleeve (11) is equipped with adjustment screw (1101), valve rod (1102) and spool (1104), the tune Whole screw rod (1101), valve rod (1102) and spool (1104), which are embedded in, to be arranged in guide sleeve (11), the guide sleeve (11) The left and right sides is equipped with flap (1103), and the flap (1103) is fixedly connected with guide sleeve (11), the table of the flap (1103) Face is equipped with fixing bolt (1105), and the fixing bolt (1105) closely connect with flap (1103), the flap (1103) Lower end is equipped with limited block (1106), and the limited block (1106) is arranged in parallel with flap (1103).

2. the highly-safe hardware safety valve of one kind according to claim 1, it is characterised in that: the bonnet (10) it is interior Portion is equipped with jackscrew (1001), and the jackscrew (1001) is arranged in bonnet (10) in the insertion of " cylinder " shape.

3. the highly-safe hardware safety valve of one kind according to claim 1, it is characterised in that: the bottom of the main body (1) Portion is equipped with valve seat (9), and the valve seat (9) closely connect with main body (1), valve seat (9) internal whorl and main body (1) inner wall phase Adaptation.

4. the highly-safe hardware safety valve of one kind according to claim 1, it is characterised in that: the automatic valve (8) Lateral outer is equipped with adjusting ring (7), and the adjusting ring (7) fits closely in " circle " with automatic valve (8).

5. the highly-safe hardware safety valve of one kind according to claim 1, it is characterised in that: the protective cover (4) Upper end is equipped with pressure gauge (3), and the pressure gauge (3) is arranged in parallel with protective cover (4).

6. the highly-safe hardware safety valve of one kind according to claim 1, it is characterised in that: the protective cover (4) Inside is equipped with spring (6), and the spring (6) is arranged in protective cover (4) in the insertion of " spiral " shape.