CN220706514U - Pressure relief valve with pressure relief prompt tone - Google Patents

Abstract

The utility model discloses a pressure relief valve with pressure relief prompt tones, which comprises a valve body, wherein a first sealing element is arranged on one side of an inner cavity of the valve body in a threaded manner, a valve rod is arranged on one side of the first sealing element in a penetrating manner, a sealing gasket is sleeved at one end, far away from the first sealing element, of the valve rod, and guide rails are fixedly connected at two ends of one side of the sealing element.

Description

Pressure relief valve with pressure relief prompt tone

Technical Field

The utility model relates to the technical field of pressure relief valves, in particular to a pressure relief valve with pressure relief prompt tones.

Background

The pressure release valve is generally arranged on equipment or a pipeline of a closed system to protect the safety of the system, when the pressure in the equipment or the pipeline exceeds the set pressure of the pressure release valve, the pressure release valve is automatically opened, the medium pressure in the equipment and the pipeline is ensured to be under the set pressure, the equipment and the pipeline are protected, the occurrence of a business is prevented, the existing pressure release valve can not give out a prompt tone in the pressure release work, although the pressure gauge can display the pressure, a user is required to see the numerical value clearly beside the valve body, a certain limitation is caused to the user, the distance from the pressure gauge is too far, the user is difficult to see the numerical value on the gauge, and further, whether the pressure release work is ended is difficult to distinguish, and great limitation is caused to the work of the user.

The present utility model has been made in view of the above problems.

Disclosure of Invention

The utility model provides a pressure relief valve with a pressure relief prompt tone, which solves the problems existing in the use process in the prior art.

The technical scheme of the utility model is realized as follows: the utility model provides a relief valve with pressure release suggestion sound, includes the valve body, one side screw thread of valve body inner chamber installs sealing member one, one side of sealing member one runs through and is provided with the valve rod, the one end that sealing member one was kept away from to the valve rod has cup jointed sealed the pad, the equal fixedly connected with guide rail in both ends of sealing member one side, the equal fixedly connected with stopper in both ends of sealing member one temporal portion one side, the inside of two stoppers all slidable mounting has the slider, two sliders respectively with two guide rail looks adaptation, two sliders all fixed connection are on the valve rod, the recess has been seted up at the top of slider, the bottom fixedly connected with pinion rack of recess inner chamber, the top fixedly connected with support of stopper, the top of support runs through and is provided with the slide pin, the bottom of slide pin runs through to the inside of recess and with pinion rack looks adaptation, the surface cover of slide pin is equipped with the spring two, the both ends of spring two are fixedly connected with respectively on support and stopper. The pressure release valve with the pressure release prompt tone is further provided with: the top intercommunication of valve body has the extension pipe, the inside movable mounting of extension pipe has outer row valve rod, the top of outer row valve rod extends to the top of extension pipe and detachably installs the spanner, one side fixedly connected with positioning mechanism of extension pipe.

The pressure release valve with the pressure release prompt tone is further provided with: the positioning mechanism comprises a fixed pipe fixedly connected to the extension pipe, a bayonet lock matched with a wrench is slidably arranged in the fixed pipe, a spring III is fixedly connected to the bottom end of the bayonet lock, the bottom end of the spring III is fixedly connected to the inner wall of the fixed pipe, a poking rod is fixedly connected to the bottom of one side of the bayonet lock, a sliding hole is formed in the surface of the fixed pipe, a clamping groove is formed in one side of an inner cavity of the sliding hole, and the sliding hole and the clamping groove are matched with the poking rod.

The pressure release valve with the pressure release prompt tone is further provided with: the top of the inner cavity of the extension pipe is inserted with a second sealing piece sleeved on the outer valve rod, and the inner cavity of the extension pipe is fixedly provided with a supporting block.

The pressure release valve with the pressure release prompt tone is further provided with: the surface of the outer valve rod is sleeved with an outer spring, and two ends of the outer spring are respectively and fixedly connected to the outer valve rod and the supporting block.

The pressure release valve with the pressure release prompt tone is further provided with: the bottom of the outer valve rod is embedded and provided with an outer sealing piece, the outer sealing piece is positioned at the joint of the extension pipe and the valve body, and the bottom of the inner cavity of the extension pipe and one side of the inner cavity of the valve body are both provided with limiting bosses matched with the outer sealing piece and the sealing gasket.

The pressure release valve with the pressure release prompt tone is further provided with: one side of the surface of the extension pipe is communicated with a discharge pipe.

In summary, the beneficial effects of the utility model are as follows:

1. the utility model adopts the structural design that the metal pieces collide with each other to generate the impact sound, so that the sliding pin can continuously strike the toothed plate in the process of pushing the valve rod by the air flow and in the process of resetting to generate the metal impact sound until the air pressure in the pressure relief completion valve is weakened and is insufficient to push the valve rod to move and the valve rod is completely reset, and the impact sound is used as the prompt sound to prompt a user to release the pressure of the pressure relief valve.

2. According to the utility model, through the arrangement of the extension pipe, the outer-row valve rod and the wrench, a user can drive the outer-row valve rod to rotate by rotating the wrench, and after the outer-row valve rod is rotated and opened, the channel between the extension pipe and the valve body can be opened for communication, so that when the extension pipe is required, the channel between the extension pipe and the valve body is opened, the redundant air pressure is discharged, the normal operation of the pressure relief valve is ensured, and the normal operation of equipment is also ensured.

3. The utility model is characterized in that the positioning mechanism is used for positioning the wrench and limiting the wrench to move randomly, and concretely comprises the following steps that when the wrench is closed, the poking rod is moved out of the clamping groove, then the bayonet lock is sprung up under the action of the spring III and is inserted into the wrench, and meanwhile, the poking rod can slide in the inner cavity of the sliding hole, so that the purpose of limiting the bayonet lock is achieved.

4. According to the utility model, through the arrangement of the outer-row valve rod, the second sealing element and the outer-row spring, the second sealing element is sleeved on the outer-row valve rod and is fixed at the upper port of the extension pipe, so that the extension pipe can be sealed, the tightness of the extension pipe is ensured, and the tightness of the whole pressure relief valve is also ensured.

5. According to the utility model, through the arrangement of the outer sealing piece and the limiting boss, the outer sealing piece is used for sealing the gap between the outer valve rod and the extension pipe, so that the extension pipe is not communicated with the valve body in the unopened state of the outer valve rod, and the pressure relief valve can perform pressure relief work when needed, thereby providing convenience for users.

6. According to the utility model, through the arrangement of the discharge pipe, the discharge pipe is communicated with the extension pipe, the extension pipe is communicated with the valve body, when generated gas enters from the gas inlet of the valve body, namely, the side provided with the sealing gasket is provided with the gas outlet, and when the pressure of the gas passing through the inner side of the valve body is overlarge, the gas enters into the extension pipe and then is discharged from the discharge pipe, so that the pressure of the gas in the valve body can be balanced, and the normal operation of equipment is ensured.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic front view in cross section of the present utility model;

FIG. 3 is a left side view of the present utility model;

FIG. 4 is an exploded perspective view of the positioning mechanism;

FIG. 5 is a schematic perspective view of a first seal;

FIG. 6 is a schematic perspective view of the assembly of the valve stem;

FIG. 7 is a schematic view of a partial perspective structure of the present utility model;

fig. 8 is a perspective structural assembly schematic view of the bracket.

In the figure: 1. valve body, 2, first sealing element, 3, valve rod, 4, first spring, 5, sealing gasket, 6, guide rail, 7, limiting block, 8, sliding block, 9, groove, 10, toothed plate, 11, support, 12, sliding pin, 13, second spring, 14, extension pipe, 15, outer valve rod, 16, spanner, 17, positioning mechanism, 18, second sealing element, 19, outer spring, 20, outer sealing element, 21, limiting boss, 22, discharge pipe, 171, fixed pipe, 172, bayonet lock, 173, toggle rod, 174, third spring, 175, sliding hole, 176, clamping groove.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 8 of the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

The utility model provides a relief valve with pressure release suggestion sound, includes valve body 1, one side screw thread installation of valve body 1 inner chamber has sealing member one 2, one side of sealing member one 2 runs through and is provided with valve rod 3, sealing member one 2 is kept away from to valve rod 3's one end has cup jointed sealed pad 5, the equal fixedly connected with guide rail 6 in both ends of sealing member one 2 sides, the equal fixedly connected with stopper 7 in both ends of sealing member one 2 temporal one side, the equal slidable mounting in inside of two stoppers 7 has slider 8, two sliders 8 respectively with two guide rail 6 looks adaptation, two sliders 8 equal fixedly connected with are on valve rod 3, recess 9 has been seted up at the top of slider 8, the bottom fixedly connected with pinion rack 10 of recess 9 inner chamber, the top fixedly connected with support 11 of stopper 7, the top of support 11 runs through and is provided with slide pin 12, the bottom of slide pin 12 runs through to the inside of recess 9 and with pinion rack 10 looks adaptation, the surface cover of slide pin 12 is equipped with spring two 13, the both ends of spring two 13 are fixedly connected with on stopper 11 and 7 respectively.

The specific use process is as follows: when the pressure relief valve works, the pressure generated in the valve can push the valve rod 3 to slide towards the first sealing element 2 and slide on the first sealing element 2, when the valve rod 3 is pushed, the sliding block 8 fixed on the valve rod 3 can also move along with the valve rod 3, meanwhile, the toothed plate 10 fixed in the groove 9 can also move along with the sliding block 8, the sliding block 8 can slide along with the valve rod 3 in the limit block 7 and the guide rail 6, meanwhile, the guide rail 6 and the limit block 7 can also guide the sliding block 8, and limit the valve rod 3, so as to ensure the stability of the valve rod 3 when moving, wherein the toothed plate 10 moves, the sliding pin 12 is pushed to slide up and down, specifically, the bottom end of the sliding pin 12 in an initial state is positioned between two teeth on the toothed plate 10, the bottom end of the sliding pin 12 can be jacked up under the action of the teeth along with the movement of the toothed plate 10 following the valve rod 3, as the toothed plate 10 continues to move, the bottom end of the sliding pin 12 passes over the tooth currently and then falls down quickly, at this time, the end of the sliding pin 12 hits the toothed plate 10, so as to generate metal impact sound, which is used as an alert sound to give an indication to the user, and as the valve rod 3 moves continuously, the alert sound is also continuously given, and when the valve internal pressure gradually weakens and the valve rod 3 moves back and forth under the action of the spring one 4, the sliding pin 12 moves continuously up and down on the toothed plate 10, the same impact sound is also continuously given until the valve internal pressure weakens to the minimum, the valve rod 3 is completely reset, the pressure release work is completed, the alert sound is ended when the valve rod 3 does not move any more, the same pressure release work is completed, wherein the sliding pin 12 slides on the limiting block 7 when moving up and down, so stopper 7 just can play spacing effect to sliding pin 12, guarantee the stability when sliding pin 12 slides, also guarantee the slip of sliding pin 12 straight up and down, wherein can compress spring two 13 when sliding pin 12 moves up, same spring two 13 also can provide thrust for sliding pin 12's the downmovement, above be the process that the relief valve sent the prompt tone, so the user is far away from the relief valve, also can know whether the pressure release work is accomplished through the prompt tone, provide convenience for the user's work, it is to say, when the relief valve is pressure release, the user will rotate spanner 16 and drive outer valve rod 15 rotation, along with the rotation of outer valve rod 15, just can communicate between extension tube 14 and the valve body 1, then valve body 1, extension tube 14 and exhaust pipe 22 just can form the pressure release passageway and carry out the pressure release, this is prior art, this is not too much explained herein.

Therefore, the structural design that the metal pieces collide with each other to generate impact sound is adopted, so that the sliding pin 12 can continuously strike the toothed plate 10 in the process of pushing the valve rod 3 by air flow and in the process of resetting, and then metal impact sound is generated until the air pressure in the pressure relief completion valve is insufficient to push the valve rod 3 to move and the valve rod 3 is completely reset, and the impact sound is used as a prompt tone to prompt a user to release the pressure of the pressure relief valve.

The top of valve body 1 communicates there is extension pipe 14, the inside movable mounting of extension pipe 14 has outer row valve rod 15, the top of outer row valve rod 15 extends to the top of extension pipe 14 and detachably installs spanner 16, one side fixedly connected with positioning mechanism 17 of extension pipe 14.

Specifically, the extension pipe 14, the outer valve rod 15 and the wrench 16 are arranged, a user rotates the wrench 16 to drive the outer valve rod 15 to rotate, and after the outer valve rod 15 is rotated and opened, a channel between the extension pipe 14 and the valve body 1 is opened for communication, so that when the user needs to open the channel between the discharge pipe 22, the extension pipe 14 and the valve body 1, redundant air pressure is discharged, normal operation of the pressure relief valve is guaranteed, and normal operation of equipment is also guaranteed. The positioning mechanism 17 comprises a fixed pipe 171 fixedly connected to the extension pipe 14, a clamping pin 172 matched with the wrench 16 is slidably arranged in the fixed pipe 171, a spring III 174 is fixedly connected to the bottom end of the clamping pin 172, the bottom end of the spring III 174 is fixedly connected to the inner wall of the fixed pipe 171, a poking rod 173 is fixedly connected to the bottom of one side of the clamping pin 172, a sliding hole 175 is formed in the surface of the fixed pipe 171, a clamping groove 176 is formed in one side of the inner cavity of the sliding hole 175, and both the sliding hole 175 and the clamping groove 176 are matched with the poking rod 173.

Specifically, the setting of positioning mechanism 17, positioning mechanism 17 is used for locating spanner 16, restrict its random removal, concretely as follows, when spanner 16 is closed, toggle lever 173 removes from the inside of draw-in groove 176, then under the effect of spring three 174, upwards bounce bayonet lock 172, then insert the inside of spanner 16, toggle lever 173 also can slide in the inner chamber of slide hole 175 simultaneously, thereby realize the spacing purpose to bayonet lock 172, when spanner 16 needs to be opened, move down the inner chamber of slide hole 175 with toggle lever 173 again, then block into draw-in groove 176, bayonet lock 172 also can retrieve the inside of fixed pipe 171 simultaneously, just can not cause the restriction to spanner 16, it is convenient to provide for user's use.

The top of the inner cavity of the extension pipe 14 is inserted with a second sealing element 18 sleeved on the outer valve rod 15, the inner cavity of the extension pipe 14 is fixedly provided with a supporting block, the surface of the outer valve rod 15 is sleeved with an outer spring 19, and two ends of the outer spring 19 are respectively and fixedly connected with the outer valve rod 15 and the supporting block.

Specifically, the outer valve rod 15, the second sealing element 18 and the outer spring 19 are arranged, the second sealing element 18 is sleeved on the outer valve rod 15 and is fixed at the upper port of the extension pipe 14, so that the extension pipe 14 can be sealed, the tightness of the extension pipe 14 is ensured, and the tightness of the whole pressure relief valve is also ensured.

The bottom of the outer valve rod 15 is embedded and provided with an outer sealing element 20, the outer sealing element 20 is positioned at the joint of the extension pipe 14 and the valve body 1, and the bottom of the inner cavity of the extension pipe 14 and one side of the inner cavity of the valve body 1 are respectively provided with a limit boss 21 matched with the outer sealing element 20 and the sealing gasket 5.

Specifically, the setting of outer row's sealing member 20 and spacing boss 21, outer row's sealing member 20 are used for sealed outer row's valve rod 15 and extension pipe 14 between the gap, guarantee that extension pipe 14 and valve body 1 can not communicate under outer row's valve rod 15 unopened state, so just can make the relief valve carry out the pressure release work when needs, provide convenience for user's use.

A drain pipe 22 is connected to one side of the surface of the extension pipe 14.

Specifically, the arrangement of the discharge pipe 22, the discharge pipe 22 is communicated with the extension pipe 14, the extension pipe 14 is communicated with the valve body 1, when generated gas enters from the gas inlet of the valve body 1, namely, one side provided with the sealing gasket 5, the other side of the corresponding valve body 1 is a gas outlet, when the pressure of the gas flowing through the inner side of the valve body 1 is overlarge, the gas enters into the extension pipe 14 and then is discharged from the discharge pipe 22, so that the pressure of the gas flowing in the valve body 1 can be balanced, and the normal operation of equipment is ensured.

It should be noted that, the functions to be realized by each hardware in the present utility model are supported by a large number of mature technologies, which belongs to the prior art, and the essence of the present utility model is to optimally combine the existing hardware and the connection mode thereof for specific application occasions, so as to meet the adaptation requirements of the specific application occasions and solve the problems (not related to the improvement of the internal software of the hardware) presented in the background art.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (7)

1. The utility model provides a relief valve with pressure release suggestion sound, includes valve body (1), its characterized in that: one side screw thread of valve body (1) inner chamber installs sealing member one (2), one side of sealing member one (2) runs through and is provided with valve rod (3), sealing member one (2) one end has been kept away from to valve rod (3) has cup jointed sealed pad (5), the equal fixedly connected with guide rail (6) in both ends of sealing member one (2) one side, the equal fixedly connected with stopper (7) in both ends of sealing member one (2) temporal one side, the inside equal slidable mounting of two stoppers (7) has slider (8), two slider (8) respectively with two guide rail (6) looks adaptation, two slider (8) equal fixedly connected with are on valve rod (3), recess (9) have been seted up at the top of slider (8), the bottom fixedly connected with pinion rack (10) of recess (9) inner chamber, the top of support (11) is run through and is provided with slide pin (12), the bottom of slide pin (12) runs through to the inside of recess (9) and looks pinion (10) and is equipped with two spring (13) looks adaptation, two spring (13) are connected with two spring (13) on the both ends of slider (7).

2. A pressure relief valve with pressure relief cue tones as defined in claim 1, wherein: the top intercommunication of valve body (1) has extension pipe (14), the inside movable mounting of extension pipe (14) has outer row valve rod (15), the top of outer row valve rod (15) extends to the top of extension pipe (14) and detachably installs spanner (16), one side fixedly connected with positioning mechanism (17) of extension pipe (14).

3. A pressure relief valve with pressure relief cue tones as claimed in claim 2, wherein: positioning mechanism (17) are including fixed pipe (171) of fixed connection on extension pipe (14), bayonet lock (172) with spanner (16) looks adaptation are installed to inside slidable mounting of fixed pipe (171), bottom fixedly connected with spring three (174) of bayonet lock (172), the bottom fixedly connected with of spring three (174) is on the inner wall of fixed pipe (171), bottom fixedly connected with poke rod (173) of bayonet lock (172) one side, sliding hole (175) have been seted up on the surface of fixed pipe (171), draw-in groove (176) have been seted up to one side of sliding hole (175) inner chamber, sliding hole (175) and draw-in groove (176) all with poke rod (173) looks adaptation.

4. A pressure relief valve with pressure relief cue tones as claimed in claim 3, wherein: the top of the inner cavity of the extension pipe (14) is inserted with a second sealing element (18) sleeved on the outer valve rod (15), and the inner cavity of the extension pipe (14) is fixedly provided with a supporting block.

5. The pressure relief valve with pressure relief cue tone as claimed in claim 4, wherein: the surface of the outer valve rod (15) is sleeved with an outer spring (19), and two ends of the outer spring (19) are respectively and fixedly connected to the outer valve rod (15) and the supporting block.

6. A pressure relief valve with pressure relief cue tone as defined in claim 5, wherein: the bottom of outer row valve rod (15) is embedded installs outer row sealing member (20), outer row sealing member (20) are located the junction of extension pipe (14) and valve body (1), the bottom of extension pipe (14) inner chamber and one side of valve body (1) inner chamber all are provided with spacing boss (21) with outer row sealing member (20) and sealing pad (5) looks adaptation.

7. The pressure relief valve with pressure relief cue tone of claim 6, wherein: one side of the surface of the extension pipe (14) is communicated with a discharge pipe (22).