Anti-deformation diaphragm shockproof pressure gauge

Abstract

The utility model discloses a kind of anti-deformation diaphragm shockproof pressure gauges, it is related to diaphragm pressure gauge technical field, the utility model includes upper flange, it is characterized by: lower flange is fixed in upper flange bottom, and first installation hole is set in the both sides of lower flange bottom and the both sides of upper flange top, installation groove is set in the inner wall of lower flange and upper flange, clamping plate is set in installation groove, and second installation hole is set in the both sides of clamping plate top, clamping plate bottom is connected with sealing gasket.The utility model is through the setting of installation groove, clamping plate and second installation hole, when needing to disassemble wave-shaped diaphragm, just need to rotate clamping plate again and take out clamping plate downwards to finish the limiting of wave-shaped diaphragm, wave-shaped diaphragm can be taken out at this time;When installing, wave-shaped diaphragm is placed into upper flange first, then clamping plate is placed into installation groove and lower flange, then rotate clamping plate, avoid clamping plate from falling downwards by simply limiting clamping plate through installation groove;Relieve tediousness, it is convenient to replace wave-shaped diaphragm faster.

Description

TECHNICAL FIELD

[0001] The utility model relates to diaphragm pressure gauge technical field, concretely is a kind of anti-deformation diaphragm shockproof pressure gauge. BACKGROUND

[0002] Diaphragm pressure gauge is mainly suitable for measuring the pressure of medium with strong corrosion, high temperature, high viscosity, easy crystallization, easy solidification and solid plankton, and is used in occasions where direct access of measuring medium into general pressure instrument must be avoided and sediment accumulation must be prevented, and is easy to clean, and its connection mode with equipment mainly includes threaded connection and flange connection and sanitary clamp type.

[0003] The diaphragm pressure gauge with application number 202323050749.0 includes a gauge head with a measuring unit inside, a gauge seat with an inner cavity opening downward inside, a diaphragm sheet detachably connected inside the gauge seat and forming a closed liquid guide cavity with the upper part of the inner cavity, a shock prevention assembly arranged in the liquid guide cavity and abutting against the diaphragm sheet at the lower part and the top wall of the liquid guide cavity at the upper part, wherein when the diaphragm sheet is impacted upward by the medium to be measured from below, the shock prevention assembly acts on the diaphragm sheet to prevent it from undergoing severe deformation beyond the measuring range of the measuring unit, thereby achieving the effect of protecting the diaphragm sheet and the measuring unit to prolong the service life of the diaphragm pressure gauge.

[0004] When the diaphragm sheet is replaced, the connecting block is limited by the bolt, and then the connecting block and the diaphragm sheet are arranged in abutment, so the bolt needs to be loosened and removed first, and then the connecting block and the diaphragm sheet are taken out one by one. Figure 3 It can be known from the technical solution that there are four bolts, so when disassembling and assembling each time, not only the multiple bolts on the flange need to be rotated, but also the four bolts on the diaphragm sheet need to be rotated, which is relatively cumbersome and time-consuming. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model aims to provide an anti-deformation diaphragm shockproof pressure gauge to solve the technical problems mentioned in the background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an anti-deformation diaphragm shockproof pressure gauge, including upper flange, characterized by: the lower flange is fixed at the bottom of the upper flange, and first mounting holes are formed at both sides of the bottom of the lower flange and both sides of the top of the upper flange, mounting grooves are formed in the inner walls of the lower flange and the upper flange, clamps are arranged inside the mounting grooves, second mounting holes are formed at both sides of the top of the clamps, sealing pads are connected to the bottom of the clamps, clamping grooves are formed at both sides of the bottom of the clamps, a base penetrates through the bottom of the lower flange, and a clamping ball is connected to the base inside through a spring.

[0007] By adopting the technical scheme, when the corrugated diaphragm needs to be replaced, the worker removes the bolts on the first mounting hole and the second mounting hole, thereby ending the limiting between the upper flange and the lower flange and the pipeline, at this time, the entire diaphragm pressure gauge can be removed, then the worker only needs to rotate the clamping plate and then pull out the clamping plate downward to end the limiting of the corrugated diaphragm, at this time, the corrugated diaphragm can be taken out; during installation, the worker first puts the corrugated diaphragm into the upper flange, then the worker puts the clamping plate into the installation groove and the lower flange and rotates the clamping plate, the clamping plate is simply limited by the installation groove to avoid falling downward, and the clamping plate is rotated to make the second mounting hole correspond to the first mounting hole, while the clamping plate is rotated to be put into the installation groove, the clamping plate will first abut against the clamping ball to make the clamping ball retract into the base to compress the spring, when the second mounting hole corresponds to the first mounting hole, the clamping ball corresponds to the clamping groove, at this time, the spring drives the clamping ball to move upward into the clamping groove, at this time, the clamping ball will collide with the clamping groove to emit some sound to facilitate the worker to determine that the clamping plate is placed in place, and the spring applies force to the clamping groove through the clamping ball to increase the resistance when the clamping plate is rotated, thereby avoiding the clamping plate from being randomly rotated and reducing the phenomenon that the second mounting hole is misaligned with the first mounting hole, thereby improving the stability during installation, the worker then contacts the lower flange with the flange on the pipeline, and the sealing property is increased through the sealing gasket, then the worker connects the upper flange and the lower flange with the pipeline through the bolts, and the bolts pass through the second mounting hole to limit the clamping plate, thereby avoiding the clamping plate from being rotated.

[0008] Further, the first mounting hole is provided with a plurality of second mounting holes corresponding to two first mounting holes.

[0009] By adopting the technical scheme, the clamping plate is rotated to make the second mounting hole correspond to the first mounting hole, the worker connects the upper flange and the lower flange with the pipeline through the bolts, and the bolts pass through the second mounting hole to limit the clamping plate, thereby avoiding the clamping plate from being rotated.

[0010] Further, the clamping plate is detachably connected with the installation groove and the lower flange.

[0011] By adopting the technical scheme, during installation, the worker first puts the corrugated diaphragm into the upper flange, then the worker puts the clamping plate into the installation groove and the lower flange and rotates the clamping plate, and the clamping plate is simply limited by the installation groove to avoid falling downward.

[0012] Further, the clamping ball is in contact with the clamping groove and the clamping plate, and the clamping ball is slidably connected with the base.

[0013] By adopting the technical scheme, when the second mounting hole corresponds to the first mounting hole, the clamping ball corresponds to the clamping groove, at this time, the spring drives the clamping ball to move upward into the inside of the clamping groove, at this time, the clamping ball will collide with the clamping groove to emit some sound so as to facilitate the staff to determine that the clamp is placed in place, and the spring will exert force on the clamping groove through the clamping ball, so that the resistance of the clamp when rotating is increased, the clamp is prevented from rotating at will, the phenomenon that the second mounting hole is misaligned with the first mounting hole is reduced, and the stability during installation is improved.

[0014] Further, the sealing gasket is made of polytetrafluoroethylene material.

[0015] By adopting the technical scheme, the staff contacts the lower flange with the flange on the pipeline, and meanwhile, the sealing property is increased through the sealing gasket, so that fluid leakage from the gap between the flange of the pipeline and the clamp is avoided.

[0016] Further, the upper flange is provided with a pressure gauge body at the top, and a pressure scale and a pointer are arranged on the outer surface of the pressure gauge body, respectively, a transmission rod is connected to the middle of the bottom of the pressure gauge body, and a corrugated diaphragm is arranged between the upper flange and the clamp.

[0017] By adopting the technical scheme, the fluid in the pipeline contacts the corrugated diaphragm, and the corrugated diaphragm is deformed by the pressure of the fluid, the existence of the corrugated diaphragm has two functions, one is sealing effect, which avoids the fluid from entering the pressure gauge body to cause structural damage, and the other is pressure transmission, after the deformation of the corrugated diaphragm, the corrugated diaphragm pushes against the transmission rod to make the transmission rod move upward, and the upward movement of the transmission rod converts the linear motion into the rotary motion of the pointer through the transmission structure inside the pressure gauge body, so that the pointer rotates, at this time, the staff can check the pressure of the fluid in the pipeline through the pointer corresponding to the pressure scale.

[0018] Further, the transmission rod is in contact with the corrugated diaphragm, and the pointer is rotationally connected with the pressure gauge body.

[0019] By adopting the technical scheme, after the deformation of the corrugated diaphragm, the corrugated diaphragm pushes against the transmission rod to make the transmission rod move upward, and the upward movement of the transmission rod converts the linear motion into the rotary motion of the pointer through the transmission structure inside the pressure gauge body, so that the pointer rotates.

[0020] Further, the corrugated diaphragm is detachably connected with the upper flange and the clamp.

[0021] By adopting the technical scheme, the staff only needs to rotate the clamp and then pull the clamp downward to take out the corrugated diaphragm, and then the limiting of the corrugated diaphragm is ended, at this time, the corrugated diaphragm can be taken out.

[0022] Further, a buffer pad is arranged inside the upper flange, the buffer pad is made of TPU foaming material, and the buffer pad is connected with the top of the corrugated diaphragm.

[0023] By adopting the technical scheme, when the pipe pressure periphery causes vibration, the corrugated diaphragm can transmit the impact force to the buffer pad, the buffer pad is made of TPU foaming material and has high elasticity and buffering performance, which can effectively buffer the force received by the corrugated diaphragm, thereby reducing the damage to the corrugated diaphragm, and the high elasticity can push the corrugated diaphragm to reset and restore the properties and support, thereby preventing the corrugated diaphragm from being permanently deformed and affecting use.

[0024] In summary, the utility model mainly has the following beneficial effects:

[0025] 1、The utility model discloses a setting of mounting groove, clamping plate and second mounting hole, when needing to disassemble corrugated diaphragm, just need to rotate clamping plate and then take out clamping plate downward to finish the location of corrugated diaphragm, at this moment, can take out corrugated diaphragm, install first to put corrugated diaphragm into upper flange, then put clamping plate into mounting groove and lower flange, then rotate clamping plate, and the simple location of clamping plate through mounting groove avoids the downward falling of clamping plate, and after the rotation of clamping plate, second mounting hole corresponds with first mounting hole, and when the subsequent bolt connects upper flange and lower flange with pipeline, can limit clamping plate and avoid the rotation of clamping plate, reduce the complexity and facilitate the faster replacement of corrugated diaphragm.

[0026] 2、The utility model discloses a setting of upper flange, lower flange and sealing pad, divide traditional flange into upper flange and lower flange, then set up mounting groove on the end face of upper flange and lower flange, and then fix upper flange and lower flange through welding, avoid the high production cost caused by the difficulty in processing mounting groove, and facilitate processing.

[0027] 3、The utility model discloses a setting of base, spring, ball and slot, when clamping plate rotates and is installed in mounting groove, clamping plate will first press against ball and make ball retract into base and compress spring, when second mounting hole corresponds with first mounting hole, ball corresponds with slot, at this moment, spring drives ball to move up and enter the inside of slot, at this moment, ball will collide with slot and emit some sound to facilitate staff to determine that clamping plate is placed in place, and spring applies force to slot through ball, so that the resistance of clamping plate when rotating increases, avoid the arbitrary rotation of clamping plate, reduce the misalignment of second mounting hole and first mounting hole, thereby improve the stability when installing, facilitate positioning and simple location, thereby improve accuracy and stability. ACCURATE DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is the structure schematic diagram of the utility model;

[0029] Figure 2 It is the sectional structure schematic diagram of the utility model;

[0030] Figure 3 It is the sectional structure schematic diagram of the utility model; Figure 2 It is the structure enlarged view of A in the utility model;

[0031] Figure 4 The utility model discloses an explosion structure schematic diagram.

[0032] In the drawing: 1, upper flange, 2, lower flange, 3, pressure gauge main body, 4, pressure scale, 5, pointer, 6, transmission rod, 7, corrugated diaphragm, 8, buffer pad, 9, first mounting hole, 10, mounting groove, 11, clamping plate, 12, second mounting hole, 13, sealing pad, 14, base, 15, spring, 16, ball, 17, clamping groove. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model, and cannot be understood as limiting the utility model.

[0034] The embodiments will be described below according to the overall structure of the utility model.

[0035] Embodiment one

[0036] A kind of deformation prevention diaphragm shockproof pressure gauge, such as Figures 1-4As shown, including the upper flange 1, the bottom of the upper flange 1 is fixed with the lower flange 2, the bottom of the lower flange 2 and the top of the upper flange 1 are provided with first mounting hole 9, first mounting hole 9 is provided with a plurality of, the inner wall of the lower flange 2 and the upper flange 1 are provided with installation groove 10, the inside of the installation groove 10 is provided with the clamping plate 11, the clamping plate 11 is detachably connected with the installation groove 10 and the lower flange 2, the corrugated diaphragm 7 is detachably connected with the upper flange 1 and the clamping plate 11, the top of the clamping plate 11 is provided with the second mounting hole 12, two second mounting holes 12 correspond to two first mounting holes 9, the bottom of the clamping plate 11 is connected with the sealing gasket 13, the sealing gasket 13 is made of polytetrafluoroethylene material, the bottom of the clamping plate 11 is provided with the clamping groove 17, the bottom of the lower flange 2 penetrates the base 14, the inside of the base 14 is connected with the clamping ball 16 through the spring 15, the clamping ball 16 is in contact with the clamping groove 17 and the clamping plate 11, the clamping ball 16 is slidingly connected with the base 14, when the corrugated diaphragm 7 needs to be replaced, the staff removes the bolts on the first mounting hole 9 and the second mounting hole 12, thereby ending the limiting between the upper flange 1, the lower flange 2 and the pipeline, at this time the entire diaphragm pressure gauge can be removed, then the staff only needs to rotate the clamping plate 11 and then pull out the clamping plate 11 downward to end the limiting of the corrugated diaphragm 7, at this time the corrugated diaphragm 7 can be taken out; when installing, the staff first puts the corrugated diaphragm 7 into the upper flange 1, then the staff puts the clamping plate 11 into the installation groove 10 and the lower flange 2 and rotates the clamping plate 11, the clamping plate 11 is simply limited by the installation groove 10 to avoid falling downward, and the clamping plate 11 is rotated to make the second mounting hole 12 correspond to the first mounting hole 9, while the clamping plate 11 is rotated and put into the installation groove 10, the clamping plate 11 will first resist the clamping ball 16 to make the clamping ball 16 retract into the base 14 to compress the spring 15, when the second mounting hole 12 corresponds to the first mounting hole 9, the clamping ball 16 corresponds to the clamping groove 17, at this time the spring 15 drives the clamping ball 16 to move upward into the clamping groove 17, at this time the clamping ball 16 will collide with the clamping groove 17 to emit some sound to facilitate the staff to determine that the clamping plate 11 is placed in place, and the spring 15 will apply force to the clamping groove 17 through the clamping ball 16, so that the resistance of the clamping plate 11 during rotation increases, avoiding the clamping plate 11 from rotating randomly, reducing the phenomenon that the second mounting hole 12 is misaligned with the first mounting hole 9, thereby improving the stability during installation, the staff then contacts the lower flange 2 with the flange on the pipeline, at the same time increases the sealing property through the sealing gasket 13, then the staff connects the upper flange 1 and the lower flange 2 with the pipeline through the bolts passing through the first mounting hole 9, at the same time the bolts will pass through the second mounting hole 12 to limit the clamping plate 11, avoiding the clamping plate 11 from rotating.

[0037] Referring to Figure 1 and Figure 2In the above embodiment, the upper flange 1 is provided with a pressure gauge body 3 on the top, the outer surface of the pressure gauge body 3 is provided with a pressure scale 4 and a pointer 5, the pointer 5 is rotatably connected with the pressure gauge body 3, the bottom of the pressure gauge body 3 is connected with a transmission rod 6, a corrugated diaphragm 7 is arranged between the upper flange 1 and the clamping plate 11, the transmission rod 6 is in contact with the corrugated diaphragm 7, the fluid in the pipeline is in contact with the corrugated diaphragm 7, the corrugated diaphragm 7 is deformed by the pressure of the fluid, the corrugated diaphragm 7 has a sealing effect, so that the fluid does not enter the pressure gauge body 3 and cause structural damage, and the corrugated diaphragm 7 can also transmit pressure, after the corrugated diaphragm 7 is deformed, the transmission rod 6 is pushed up, the upward movement of the transmission rod 6 is converted into the rotary movement of the pointer 5 through the transmission structure in the pressure gauge body 3, so that the pointer 5 rotates, and at this time, the worker can check the pressure of the fluid in the pipeline through the pointer 5 corresponding to the pressure scale 4.

[0038] Embodiment two

[0039] On the basis of the above embodiment one, in order to reduce the damage caused by vibration, the following settings are made.

[0040] Reference Figure 2 And Figure 4 In the above embodiment, the upper flange 1 is provided with a pressure gauge body 3 on the top, the outer surface of the pressure gauge body 3 is provided with a pressure scale 4 and a pointer 5, the pointer 5 is rotatably connected with the pressure gauge body 3, the bottom of the pressure gauge body 3 is connected with a transmission rod 6, a corrugated diaphragm 7 is arranged between the upper flange 1 and the clamping plate 11, the transmission rod 6 is in contact with the corrugated diaphragm 7, the fluid in the pipeline is in contact with the corrugated diaphragm 7, the corrugated diaphragm 7 is deformed by the pressure of the fluid, the corrugated diaphragm 7 has a sealing effect, so that the fluid does not enter the pressure gauge body 3 and cause structural damage, and the corrugated diaphragm 7 can also transmit pressure, after the corrugated diaphragm 7 is deformed, the transmission rod 6 is pushed up, the upward movement of the transmission rod 6 is converted into the rotary movement of the pointer 5 through the transmission structure in the pressure gauge body 3, so that the pointer 5 rotates, and at this time, the worker can check the pressure of the fluid in the pipeline through the pointer 5 corresponding to the pressure scale 4.

[0041] The implementation principle of the utility model is as follows: firstly, the fluid in the pipeline is in contact with the corrugated diaphragm 7, the corrugated diaphragm 7 is deformed by the pressure of the fluid, the corrugated diaphragm 7 has a sealing effect, so that the fluid does not enter the pressure gauge body 3 and cause structural damage, and the corrugated diaphragm 7 can also transmit pressure, after the corrugated diaphragm 7 is deformed, the transmission rod 6 is pushed up, the upward movement of the transmission rod 6 is converted into the rotary movement of the pointer 5 through the transmission structure in the pressure gauge body 3, so that the pointer 5 rotates, and at this time, the worker can check the pressure of the fluid in the pipeline through the pointer 5 corresponding to the pressure scale 4; when the vibration caused by the pressure of the fluid in the pipeline is transmitted to the corrugated diaphragm 7, the corrugated diaphragm 7 transmits the impact force to the buffer pad 8, the buffer pad 8 is made of TPU foaming material and has high elasticity and buffering performance, which can effectively buffer the force received by the corrugated diaphragm 7, reduce the damage of the corrugated diaphragm 7, and the high elasticity can push the corrugated diaphragm 7 to reset and support, prevent the corrugated diaphragm 7 from being permanently deformed and affect the use.

[0042] When the corrugated diaphragm 7 needs to be replaced, the worker removes the bolts on the first mounting hole 9 and the second mounting hole 12, thereby ending the limiting between the upper flange 1, the lower flange 2 and the pipeline, at this time the entire diaphragm pressure gauge can be removed, then the worker only needs to rotate the clamping plate 11 and then pull out the clamping plate 11 downward to end the limiting of the corrugated diaphragm 7, at this time the corrugated diaphragm 7 can be taken out;

[0043] When installing, the worker first puts the corrugated diaphragm 7 into the upper flange 1, then the worker puts the clamping plate 11 into the installation groove 10 and the lower flange 2 and rotates the clamping plate 11, the clamping plate 11 is simply limited by the installation groove 10 to avoid falling downward, and the clamping plate 11 is rotated to make the second mounting hole 12 correspond to the first mounting hole 9, while the clamping plate 11 is rotated and put into the installation groove 10, the clamping plate 11 will first abut against the clamping ball 16 to make the clamping ball 16 retract into the base 14 to compress the spring 15, when the second mounting hole 12 corresponds to the first mounting hole 9, the clamping ball 16 corresponds to the clamping groove 17, at this time the spring 15 drives the clamping ball 16 to move upward into the clamping groove 17, at this time the clamping ball 16 will collide with the clamping groove 17 to emit some sound to facilitate the worker to determine that the clamping plate 11 is placed in place, and the spring 15 will apply force to the clamping groove 17 through the clamping ball 16, so that the resistance of the clamping plate 11 when rotating is increased, avoiding the clamping plate 11 from rotating randomly, reducing the phenomenon that the second mounting hole 12 is misaligned with the first mounting hole 9, thereby improving the stability during installation, the worker then contacts the lower flange 2 with the flange on the pipeline, at the same time the sealing performance is increased through the sealing gasket 13, then the worker passes the bolts through the first mounting hole 9 to connect the upper flange 1 and the lower flange 2 with the pipeline, at the same time the bolts will pass through the second mounting hole 12 to limit the clamping plate 11, avoiding the clamping plate 11 from rotating.

[0044] Although the embodiments of the present application have been shown and described, the specific embodiments are only an explanation of the present application, and are not a limitation of the present application, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner, and those skilled in the art can make modifications, replacements and variations of the embodiments without creative contribution after reading the specification without departing from the principles and purposes of the present application, but as long as it is within the scope of the claims of the present application, it is protected by the patent law.

Claims

1. A deformation-resistant diaphragm shock-resistant pressure gauge, comprising an upper flange (1), characterized in that: The bottom of the upper flange (1) is fixed with a lower flange (2), and the bottom sides of the lower flange (2) and the top sides of the upper flange (1) are provided with first mounting holes (9). The inner walls of the lower flange (2) and the upper flange (1) are provided with mounting grooves (10). The mounting grooves (10) are provided with clamps (11), and the top sides of the clamps (11) are provided with second mounting holes (12). The bottom of the clamps (11) is connected with a sealing gasket (13). The bottom sides of the clamps (11) are provided with slots (17). The bottom of the lower flange (2) is penetrated by a base (14), and the base (14) is connected with a ball (16) by a spring (15).

2. The anti-deformation diaphragm shock-resistant pressure gauge according to claim 1, characterized in that: The first mounting hole (9) is provided in multiple ways, and two second mounting holes (12) correspond to two of the first mounting holes (9).

3. The deformation-resistant diaphragm shock-resistant pressure gauge according to claim 1, characterized in that: The clamp (11) is detachably connected to the mounting groove (10) and the lower flange (2).

4. The anti-deformation diaphragm shock-resistant pressure gauge according to claim 3, characterized in that: The ball (16) is in contact with the slot (17) and the clamp (11), and the ball (16) is slidably connected to the base (14).

5. The anti-deformation diaphragm shock-resistant pressure gauge according to claim 1, characterized in that: The sealing gasket (13) is made of polytetrafluoroethylene material.

6. The anti-deformation diaphragm shock-resistant pressure gauge according to claim 1, characterized in that: The upper flange (1) is equipped with a pressure gauge body (3) on its top, and a pressure scale (4) and a pointer (5) are respectively provided on the outer surface of the pressure gauge body (3). A transmission rod (6) is connected to the middle of the bottom of the pressure gauge body (3), and a wave-shaped diaphragm (7) is provided between the upper flange (1) and the clamping plate (11).

7. The deformation-resistant diaphragm shock-resistant pressure gauge according to claim 6, characterized in that: The transmission rod (6) is in contact with the waveform diaphragm (7), and the pointer (5) is rotatably connected to the pressure gauge body (3).

8. The deformation-resistant diaphragm shock-resistant pressure gauge according to claim 7, characterized in that: The waveform diaphragm (7) is detachably connected to the upper flange (1) and the clamping plate (11).

9. The deformation-resistant diaphragm shock-resistant pressure gauge according to claim 8, characterized in that: A buffer pad (8) is provided inside the upper flange (1), and the buffer pad (8) is made of TPU foam material. The buffer pad (8) is connected to the top of the corrugated diaphragm (7).

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