CN218211742U - Pressure transmitter with explosion-proof effect - Google Patents

Abstract

The utility model discloses a pressure transmitter with flame proof effect, the connecting pipe comprises a connecting pipe, the outer wall both sides rigid coupling of connecting pipe has the flange, one side and business turn over water pipe looks rigid coupling of flange, the top rigid coupling of connecting pipe has the diaphragm, the inside of diaphragm is provided with fixing device, fixing device's centre is provided with the fixture block, the top of fixture block is provided with rotary device, the semiconductor refrigeration ring is installed to the inside top of connecting pipe. This pressure transmitter with flame proof effect, through the handle, first spring, the pull rod, cooperation between second spring and the shell, the user upwards stimulates the both sides pull rod, the pull rod can compress the second spring, the pull rod is not limiting the removal of bayonet lock simultaneously, at this moment because first spring is in tensile state, first spring can make the bayonet lock move to the outside, the bayonet lock drives the handle and removes, it fixes through the bolt mostly to have solved the pressure transmitter with flame proof effect when dismantling with fixed, comparatively loaded down with trivial details problem.

Description

Pressure transmitter with explosion-proof effect

Technical Field

The utility model relates to a pressure transmitter technical field specifically is a pressure transmitter with flame proof effect.

Background

A pressure transmitter is a device that converts pressure into a pneumatic signal or an electric signal for control and remote transmission. The pressure transmitter can convert physical pressure parameters such as gas, liquid and the like sensed by a load cell sensor into standard electric signals (such as 4-20 mADC and the like) to be supplied to secondary instruments such as an indication alarm instrument, a recorder, a regulator and the like for measurement, indication and process adjustment, however, most of the existing pressure transmitters with explosion-proof effects are fixed through bolts when being detached and fixed, and the problem of complexity is solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pressure transmitter with flame proof effect to it fixes comparatively loaded down with trivial details problem to solve the most bolt that passes through when dismantling and fixing to provide in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pressure transmitter with flame proof effect, includes the connecting pipe, the outer wall both sides rigid coupling of connecting pipe has the flange, one side and business turn over water pipe looks rigid coupling of flange, the top rigid coupling of connecting pipe has the diaphragm, the inside of diaphragm is provided with fixing device, fixing device's centre is provided with the fixture block, the top of fixture block is provided with rotary device, the semiconductor refrigeration ring is installed to the inside top of connecting pipe.

Preferably, the fixing device comprises a handle, the handle is connected with the transverse plate in a sliding mode through a sliding groove, a first spring is sleeved on the outer wall of the handle, the two ends of the first spring are fixedly connected with the transverse plate and the clamping pin respectively, one end of the clamping pin is tightly attached to the clamping block, the outer wall of the clamping pin is tightly attached to the pull rod, a second spring is sleeved on the outer wall of the pull rod, the two ends of the second spring are fixedly connected with the pull rod and the shell respectively, and the bottom of the shell is fixedly connected with the transverse plate.

Preferably, the rotating device comprises a rotating plate, the outer wall of the rotating plate is rotatably connected with the clamping block, the top of the rotating plate is fixedly connected with the lower lug, and the outer wall of the lower lug is fixedly connected with the upper lug.

Preferably, the top of the upper lug is fixedly connected with a pressure transmitter main body.

Preferably, the outer wall of the pressure transmitter main body is electrically connected with the pressure sensor through an electric wire, and the outer wall of the pressure sensor is fixedly connected with the clamping block.

Compared with the prior art, the beneficial effects of the utility model are that: this pressure transmitter with flame proof effect, through the handle, first spring, the bayonet lock, the pull rod, cooperation between second spring and the shell, the user upwards stimulates both sides pull rod, the pull rod can compress the second spring, the pull rod is not at the removal that limits the bayonet lock simultaneously, this moment because first spring is in tensile state, first spring can make the bayonet lock move to the outside, the bayonet lock drives the handle and removes, make the bayonet lock not at the restriction fixture block, the user takes off the pressure transmitter main part device, when the installation, only need to promote both sides handle to the centre, when the breach at the bayonet lock moves the below of pull rod, the pull rod can be automatic to the lapse, restrict the bayonet lock, the pressure transmitter who has the flame proof effect is mostly fixed through the bolt when dismantling and fixing has been solved, comparatively loaded down with trivial details problem.

Drawings

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

FIG. 2 is a schematic sectional front view of the connection structure shown in FIG. 1;

FIG. 3 is a schematic view of the connection structure at A in FIG. 2;

FIG. 4 is a schematic view of the connection structure at B in FIG. 2;

fig. 5 is a schematic view of the connection structure at C in fig. 2.

In the figure: 1. the connecting pipe, 2, the flange, 3, rotary device, 301, the rotor, 302, lower lug, 303, go up the lug, 4, fixing device, 401, the handle, 402, first spring, 403, the bayonet lock, 404, the pull rod, 405, the second spring, 406, the shell, 4A1, the sealing rubber ring, 4A2, the slider, 4A3, the third spring, 5, the diaphragm, 6, the pressure transmitter main part, 7, pressure sensor, 8, business turn over water pipe, 9, the semiconductor refrigeration ring, 10, the fixture block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 efforts all belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a pressure transmitter with flame proof effect, including connecting pipe 1, the outer wall both sides rigid coupling of connecting pipe 1 has flange 2, one side and business turn over water pipe 8 looks rigid coupling of flange 2, connecting pipe 1 is linked together through flange 2 and business turn over water pipe 8, the top rigid coupling of connecting pipe 1 has diaphragm 5, the inside of diaphragm 5 is provided with fixing device 4, fixing device 4's centre is provided with fixture block 10, fixing device 4 is used for fixed fixture block 10, the top of fixture block 10 is provided with rotary device 3, semiconductor refrigeration ring 9 is installed to the inside top of connecting pipe 1, semiconductor refrigeration ring 9's model is selected according to actual demand, satisfy the work demand can, semiconductor refrigeration ring 9 is prior art, do not do too much here and describe repeatedly.

Referring to fig. 2 and 3, the fixing device 4 includes a handle 401, a first spring 402, a detent 403, a pull rod 404, a second spring 405 and a housing 406, the handle 401 is slidably connected to the transverse plate 5 through a sliding slot, the transverse plate 5 limits the moving direction of the handle 401 through the sliding slot, the outer wall of the handle 401 is sleeved with the first spring 402, the elastic coefficient of the first spring 402 is 10-20N/cm, two ends of the first spring 402 are respectively fixedly connected to the transverse plate 5 and the detent 403, the first spring 402 is currently in a stretched state, the detent 403 stretches the first spring 402 when moving towards the middle, one end of the detent 403 is tightly attached to the detent 10, the detent 403 is used for fixing the detent 10, the outer wall of the detent 403 is tightly attached to the pull rod 404, the pull rod 404 is used for limiting the movement of the detent 403, the outer wall of the pull rod 404 is sleeved with the second spring 405, the elastic coefficient of the second spring 405 is 15-25N/cm, two ends of the second spring 405 are respectively fixedly connected to the pull rod 404 and the housing 406, the pull rod 404 is fixedly connected to the transverse plate 5 when the pull rod moves upwards;

through the handle 401, the first spring 402, the bayonet pin 403, the pull rod 404, the second spring 405 and the shell 406 are matched, a user pulls the pull rods 404 on two sides upwards, the pull rod 404 can compress the second spring 405, meanwhile, the pull rod 404 does not limit the movement of the bayonet pin 403, at the moment, the first spring 402 is in a stretching state, the bayonet pin 403 can move towards the outside through the first spring 402, the bayonet pin 403 drives the handle 401 to move, the bayonet pin 403 is not limiting the fixture block 10, the user takes the pressure transmitter main body 6 off the device, only needs to push the handles 401 on two sides towards the middle when the device is installed, when a gap of the bayonet pin 403 moves below the pull rod 404, the pull rod 404 can automatically move downwards, the bayonet pin 403 is limited, and the problems that most of pressure transmitters with the explosion-proof effect are fixed through bolts when the pressure transmitters are disassembled and fixed are solved.

Referring to fig. 2 and 4, the rotating device 3 includes a rotating plate 301, a lower lug 302 and an upper lug 303, the outer wall of the rotating plate 301 is rotatably connected to the fixture block 10, the fixture block 10 rotatably supports the rotating plate 301, the top of the rotating plate 301 is fixedly connected to the lower lug 302, the rotating plate 301 limits the rotating position of the lower lug 302, the outer wall of the lower lug 302 is fixedly connected to the upper lug 303, and the upper lug 303 drives the lower lug 302 to rotate;

through the cooperation among rotor 301, lower lug 302 and the upper lug 303, the user is through rotating pressure transmitter main part 6, and pressure transmitter main part 6 drives upper lug 303 and rotates, and upper lug 303 drives lower lug 302 simultaneously and rotates, and lower lug 302 rotates under the restriction of rotor 301 for pressure transmitter main part 6 can change the orientation, and the convenience is observed by the user.

Referring to fig. 1-5, a pressure transmitter main body 6 is fixedly connected to the top of the upper lug 303, the pressure transmitter main body 6 drives the upper lug 303 to rotate, the outer wall of the pressure transmitter main body 6 is electrically connected to a pressure sensor 7 through an electric wire, the pressure sensor 7 is used for converting pressure into an electrical signal and transmitting the electrical signal to the pressure transmitter main body 6, the pressure transmitter main body 6 displays the electrical signal in a numerical form, the outer wall of the pressure sensor 7 is fixedly connected to a fixture block 10, the pressure sensor 7 is a prior art, and redundant description is omitted here.

The working principle is as follows:

when the pressure transmitter with the explosion-proof effect is used, the reason that the pressure transmitter main body 6 explodes is that the pressure inside and outside has a large difference, the temperature of the pressure inside the pressure transmitter main body rises due to long-time irradiation of water flow, so that the pressure inside the pressure transmitter main body rises, the pressure sensor 7 continuously applies pressure to the pressure sensor 7, the pressure sensor 7 converts the pressure into an electric signal and transmits the electric signal to the pressure transmitter main body 6, the pressure transmitter main body 6 displays the electric signal in a numerical value form, an external power supply of the semiconductor refrigeration ring 9 is switched on when the preset value is exceeded, so that the semiconductor refrigeration ring 9 starts to cool the liquid inside the pressure transmitter main body, the internal pressure is reduced, the explosion-proof effect is realized, and a user rotates the pressure transmitter main body 6 to drive the lug piece 303 to rotate, go up auricle 303 and drive auricle 302 down and rotate simultaneously, auricle 302 rotates under the restriction of rotor 301 down, make pressure transmitter main part 6 can change the orientation, convenience of customers observes, when needing to dismantle pressure transmitter main part 6, the user upwards stimulates both sides pull rod 404, pull rod 404 can compress second spring 405, pull rod 404 is not restricting the removal of bayonet lock 403 simultaneously, this moment because first spring 402 is in tensile state, first spring 402 can make bayonet lock 403 move to the outside, bayonet lock 403 drives handle 401 and moves, make bayonet lock 403 not restricting fixture block 10, the user takes off the device with pressure transmitter main part 6, when the installation, only need to promote both sides handle 401 to the centre, when the breach of bayonet lock moved to the below of pull rod 404, pull rod 404 can automatic downwardly moving, restrict bayonet lock 403, accomplish the use of this time device.

Example 2

Referring to fig. 2 and 5, the present invention provides a technical solution: a pressure transmitter with an explosion-proof effect is disclosed, wherein a fixing device 4 can further comprise a sealing rubber ring 4A1, a sliding block 4A2 and a third spring 4A3, the top of the sealing rubber ring 4A1 is tightly attached to a clamping block 10, the sealing rubber ring 4A1 is used for sealing the joint of the clamping block 10 and a connecting pipe 1, the outer wall of the sealing rubber ring 4A1 is fixedly connected with two sliding blocks 4A2, the sliding block 4A2 is used for limiting the moving direction of the sealing rubber ring 4A1, the outer wall of the sliding block 4A2 is in sliding connection with the connecting pipe 1 through a sliding chute, one end of the sliding block 4A2 is fixedly connected with the third spring 4A3, the sliding block 4A2 moves downwards to compress the third spring 4A3 again, the third spring 4A3 is currently in a compression state, one end of the third spring 4A3 is fixedly connected with the connecting pipe 1, and the elastic coefficient of the third spring 4A3 is 10-20N/cm;

through sealing rubber ring 4A1, cooperation between slider 4A2 and the third spring 4A3, the user places fixture block 10 at sealing rubber ring 4A1, and when pushing down fixture block 10, fixture block 10 drives sealing rubber ring 4A1 downstream, sealing rubber ring 4A1 drives slider 4A2 and removes, and compress third spring 4A3 once more, after fixing fixture block 10, because sealing rubber ring 4A1 has certain deformation volume, third spring 4A3 can carry out the resilience of small range, make the laminating of the inseparable laminating of sealing rubber ring 4A1 in the junction of fixture block 10 and connecting pipe 1, realize sealedly, make when fixed more convenient and fast.

The working principle is as follows:

when this fixing device uses, the user places fixture block 10 at sealing rubber ring 4A1, and when pushing down fixture block 10, fixture block 10 drives sealing rubber ring 4A1 downstream, sealing rubber ring 4A1 drives slider 4A2 and removes, and compress third spring 4A3 once more, after fixing fixture block 10, because sealing rubber ring 4A1 has certain deformation volume, third spring 4A3 can carry out the resilience of small range, make the laminating of the inseparable laminating of sealing rubber ring 4A1 in the junction of fixture block 10 and connecting pipe 1, realize sealedly, make convenient and fast more during the fixing, accomplish the use of this time device.

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 (5)

1. The utility model provides a pressure transmitter with flame proof effect, includes connecting pipe (1), its characterized in that: the outer wall both sides rigid coupling of connecting pipe (1) has flange (2), one side and business turn over water pipe (8) looks rigid coupling of flange (2), the top rigid coupling of connecting pipe (1) has diaphragm (5), the inside of diaphragm (5) is provided with fixing device (4), the centre of fixing device (4) is provided with fixture block (10), the top of fixture block (10) is provided with rotary device (3), semiconductor refrigeration ring (9) are installed to the inside top of connecting pipe (1).

2. The pressure transmitter with the explosion-proof effect of claim 1, characterized in that: fixing device (4) include handle (401), handle (401) are through spout and diaphragm (5) sliding connection, the outer wall of handle (401) has cup jointed first spring (402), the both ends of first spring (402) respectively with diaphragm (5) and bayonet lock (403) looks rigid coupling, the one end and the fixture block (10) of bayonet lock (403) closely laminate, the outer wall and the pull rod (404) of bayonet lock (403) closely laminate, the outer wall of pull rod (404) has cup jointed second spring (405), the both ends of second spring (405) respectively with pull rod (404) and shell (406) looks rigid coupling, the bottom and the diaphragm (5) looks rigid coupling of shell (406).

3. The pressure transmitter with the explosion-proof effect of claim 1, characterized in that: the rotating device (3) comprises a rotating piece (301), the outer wall of the rotating piece (301) is rotatably connected with the clamping block (10), the top of the rotating piece (301) is fixedly connected with a lower lug (302), and the outer wall of the lower lug (302) is fixedly connected with an upper lug (303).

4. The pressure transmitter with the explosion-proof effect of claim 3, characterized in that: and the top of the upper lug plate (303) is fixedly connected with a pressure transmitter main body (6).

5. The pressure transmitter with the explosion-proof effect according to claim 4, characterized in that: the outer wall of the pressure transmitter main body (6) is electrically connected with the pressure sensor (7) through an electric wire, and the outer wall of the pressure sensor (7) is fixedly connected with the clamping block (10).

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