CN218411524U - Differential pressure transmitter with high sealing performance - Google Patents
Differential pressure transmitter with high sealing performance Download PDFInfo
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- CN218411524U CN218411524U CN202222278052.8U CN202222278052U CN218411524U CN 218411524 U CN218411524 U CN 218411524U CN 202222278052 U CN202222278052 U CN 202222278052U CN 218411524 U CN218411524 U CN 218411524U
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- pressure transmitter
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- internal thread
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Abstract
The utility model discloses a differential pressure transmitter with high leakproofness ability relates to differential pressure transmitter technical field, including PMKD, the installation screw has been seted up to PMKD's upper surface to be convenient for install PMKD fixed, PMKD's top is provided with first fixed establishment, first fixed establishment is including seting up the first spout at PMKD upper surface, the inner wall of first spout rotates and is connected with first double-direction threaded rod. It can be through PMKD and first fixed establishment's setting, can be at connecting tube with by the pipeline flange joint back of being surveyed, will be surveyed the pipeline and carry out the centre gripping fixed to can lead to connecting tube and by the flange joint between the pipeline to produce when avoiding the staff mistake to bump by the survey pipeline and slightly rock, make the sealing performance between the connection relatively poor, carry out the centre gripping to being surveyed the pipeline and fix the back, can guarantee connecting tube and by the sealing performance between the pipeline of being surveyed, the test effect has been guaranteed.
Description
Technical Field
The utility model relates to a differential pressure transmitter technical field specifically is a differential pressure transmitter with high leakproofness ability.
Background
The differential pressure transmitter is a typical self-balancing detecting instrument, and overcomes the influence of adverse factors such as element materials, processing technology and the like by utilizing the working principle of negative feedback. The differential pressure transmitter is used for preventing a medium in a pipeline from directly entering the transmitter, and the pressure sensing diaphragm is connected with the transmitter through a capillary filled with fluid. It is used to measure the level, flow and pressure of liquid, gas or steam, and then convert them into electric signal output.
When the differential pressure transmitter is used, a tested pipeline and the differential pressure transmitter are connected through a flange and then tested, the existing differential pressure transmitter does not have the function of fixing the tested pipeline, only the differential pressure transmitter is fixed, the tested pipeline and the differential pressure transmitter are connected through the flange, and when a worker mistakenly touches the tested pipeline, the flange connection between the tested pipeline and the differential pressure transmitter can slightly shake, so that the sealing performance between the connection is influenced, and the testing effect is influenced; to this end, we provide a differential pressure transmitter with high sealing capability to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a differential pressure transmitter with high sealing performance in order to compensate the not enough of prior art.
In order to achieve the above object, the utility model provides a following technical scheme: a differential pressure transmitter with high sealing performance comprises a fixed bottom plate, wherein the upper surface of the fixed bottom plate is provided with a mounting screw hole so as to be convenient for mounting and fixing the fixed bottom plate, a first fixing mechanism is arranged above the fixed bottom plate and comprises a first chute arranged on the upper surface of the fixed bottom plate, the inner wall of the first chute is rotatably connected with a first bidirectional threaded rod, the outer surface of the first bidirectional threaded rod is in threaded connection with two symmetrical first internal thread sliding blocks, the first internal thread sliding blocks are in sliding connection with the inner wall of the first chute, the first chute plays a guiding role in guiding the movement of the first internal thread sliding blocks, the outer surface of the first internal thread sliding blocks is fixedly connected with a telescopic rod, the telescopic rod plays a guiding role in guiding the movement of a first clamping plate, and one end of the telescopic rod, which is far away from the first internal thread sliding blocks, is fixedly connected with the first clamping plate, the first clamping plate is matched with a pipeline to be detected, the outer surface of the first clamping plate is provided with an anti-slip pad, the first clamping plate can clamp and fix the pipeline to be detected, the outer surface of the first internal thread sliding block is fixedly connected with a spring, one end, far away from the first internal thread sliding block, of the spring is fixedly connected to the outer surface of the first clamping plate, when the first clamping plate is in contact with the pipeline to be detected, the two first internal thread sliding blocks are continuously close to each other and compress the spring to clamp and fix the pipeline to be detected under the elastic force action of the compressed spring, the telescopic rod is sleeved inside the spring, a second fixing mechanism is arranged above the fixing bottom plate, a differential pressure transmitter body is arranged above the fixing bottom plate, the differential pressure transmitter body is in the prior art and can utilize the working principle of negative feedback to clamp and fix the liquid level of liquid, gas or steam, the flow and pressure are tested, and the internal structure of the differential pressure transmitter body is not described in detail.
Furthermore, the outside of PMKD is provided with the first in command, the one end that first bidirectional threaded rod is close to the first in command runs through PMKD and extends to the outside of PMKD, the one end that first bidirectional threaded rod is close to the first in command and first in command fixed connection, and the surface of the first in command is equipped with anti-skidding line, through rotating the first in command, can rotate first bidirectional threaded rod.
Furthermore, second fixed establishment includes the backup pad of fixed connection at the PMKD upper surface, the second spout has been seted up to the surface of backup pad, and the second spout plays the guide effect for the removal of second internal thread slider, the inner wall of second spout rotates and is connected with the bidirectional threaded rod of second.
Furthermore, the outer surface of the second bidirectional threaded rod is in threaded connection with two symmetrical second internal thread sliding blocks, the second bidirectional threaded rod drives the second internal thread sliding blocks to be away from or close to each other when rotating, and the second internal thread sliding blocks are in sliding connection with the inner wall of the second sliding groove.
Further, the outer fixed surface of second internal thread slider is connected with the connecting rod, the one end fixedly connected with second grip block of second internal thread slider is kept away from to the connecting rod, second grip block and differential pressure transmitter body looks adaptation, the surface of second grip block are provided with the anti-skidding cushion, and the shape of second grip block is the same with the differential pressure transmitter body to be convenient for press from both sides tightly fixedly to the differential pressure transmitter body.
Furthermore, the outside of backup pad is provided with the second handle, the one end that the second bidirectional threaded rod is close to the second handle runs through the backup pad and extends to the outside of backup pad, the one end and the second handle fixed connection that the second bidirectional threaded rod is close to the second handle, and the surface of second handle is equipped with anti-skidding line, through rotating the second handle, can rotate the second bidirectional threaded rod.
Furthermore, the outer surface mounting of differential pressure transmitter body has a connecting pipeline, the one end flange joint that connecting pipeline kept away from the differential pressure transmitter body has the pipeline of being surveyed, when liquid, gas or steam flow direction connecting pipeline in the pipeline of being surveyed, the differential pressure transmitter body can be measured liquid, gas or steam in the pipeline of being surveyed.
Compared with the prior art, the differential pressure transmitter with high sealing performance has the following beneficial effects:
1. the utility model discloses a PMKD and first fixed establishment's setting can be after connecting tube and the pipeline flange joint that is surveyed, will be surveyed the pipeline and carry out the centre gripping fixed to flange joint that can lead to when avoiding the staff mistake to bump when being surveyed the pipeline connecting tube and being surveyed between the pipeline produces slight rocking, and the sealing performance between the messenger connects is relatively poor, carries out the centre gripping to being surveyed the pipeline and fixes the back, can guarantee connecting tube and the sealing performance between the pipeline that is surveyed, has guaranteed test effect.
2. The utility model discloses a setting of second fixed establishment places the differential pressure transmitter body between two second grip blocks, rotates the second handle, drives the rotation of second bidirectional threaded rod, makes two second internal thread sliders be close to each other, drives two second grip blocks through the connecting rod and is close to each other to press from both sides tightly fixedly to the differential pressure transmitter body.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic view of the internal structure of the first chute of the present invention;
fig. 3 is a schematic three-dimensional structure diagram of the supporting plate and the second clamping plate of the present invention;
fig. 4 is the three-dimensional structure schematic diagram of the differential pressure transmitter body and the connecting pipeline of the present invention.
In the figure: 1. fixing a bottom plate; 2. a first fixing mechanism; 21. a first chute; 22. a first bi-directional threaded rod; 23. a first internal thread slider; 24. a telescopic rod; 25. a first clamping plate; 26. a spring; 27. a first handle; 3. a second fixing mechanism; 31. a support plate; 32. a second chute; 33. a second bidirectional threaded rod; 34. a second internal thread slider; 35. a connecting rod; 36. a second clamping plate; 37. a second handle; 4. a differential pressure transmitter body; 5. connecting a pipeline; 6. and (5) the pipeline to be detected.
Detailed Description
The principles and features of the present invention will be described with reference to the drawings, which are provided for illustration only and are not intended to limit the scope of the invention.
This embodiment provides a differential pressure transmitter with high leakproofness ability, the device can be behind connecting tube 5 and the 6 flange joint of quilt survey pipeline, it is fixed to be carried out the centre gripping by survey pipeline 6, thereby avoid the staff mistake to bump can lead to connecting tube 5 and the flange joint between the pipeline 6 of quilt survey to produce slight rocking when being surveyed pipeline 6, make the sealing performance between the connection relatively poor, carry out the centre gripping to being surveyed pipeline 6 and fix the back, can guarantee connecting tube 5 and the sealing performance between the pipeline 6 of quilt survey, the test effect has been guaranteed.
Referring to fig. 1 and 2, a differential pressure transmitter with high sealing performance, including PMKD 1, the installation screw has been seted up to PMKD 1's upper surface, thereby be convenient for install PMKD 1 fixed, PMKD 1's top is provided with first fixed establishment 2, first fixed establishment 2 is including seting up the first spout 21 at PMKD 1 upper surface, the inner wall of first spout 21 rotates and is connected with first bidirectional threaded rod 22, the surface screw thread of first bidirectional threaded rod 22 is connected with two symmetrical first internal thread sliders 23, first internal thread slider 23 sliding connection is at the inner wall of first spout 21, first spout 21 plays the guide effect for the removal of first internal thread slider 23, the fixed surface of first internal thread slider 23 is connected with telescopic link 24, telescopic link 24 plays the guide effect for the removal of first grip block 25.
The first grip block 25 of one end fixedly connected with of first internal thread slider 23 is kept away from to telescopic link 24, first grip block 25 and the looks adaptation of being surveyed pipeline 6, the surface of first grip block 25 is equipped with the slipmat, make first grip block 25 can press from both sides tight fixed to being surveyed pipeline 6, the external fixed surface of first internal thread slider 23 is connected with spring 26, the one end fixed connection that first internal thread slider 23 was kept away from to spring 26 is at the surface of first grip block 25, when first grip block 25 and being surveyed pipeline 6 contact, two first internal thread sliders 23 continue to be close to each other, and compression spring 26, under the elastic force effect by compression spring 26, will be surveyed pipeline 6 and press from both sides tight fixed, telescopic link 24 cover is established in spring 26.
The outside of fixed baseplate 1 is provided with the first in command 27, and the one end that first two-way threaded rod 22 is close to the first in command 27 runs through fixed baseplate 1 and extends to the outside of fixed baseplate 1, and the one end that first two-way threaded rod 22 is close to the first in command 27 is connected with first in command 27 fixed connection, and the outer surface of the first in command 27 is equipped with anti-skidding line, through rotating the first in command 27, can rotate first two-way threaded rod 22.
Referring to fig. 1 and 3, a second fixing mechanism 3 is arranged above the fixed base plate 1, the second fixing mechanism 3 includes a support plate 31 fixedly connected to the upper surface of the fixed base plate 1, a second chute 32 is formed in the outer surface of the support plate 31, the second chute 32 plays a guiding role in moving the second internal thread slider 34, a second bidirectional threaded rod 33 is rotatably connected to the inner wall of the second chute 32, two symmetrical second internal thread sliders 34 are connected to the outer surface of the second bidirectional threaded rod 33 in a threaded manner, the second bidirectional threaded rod 33 drives the second internal thread sliders 34 to be away from or close to each other when rotating, and the second internal thread sliders 34 are slidably connected to the inner wall of the second chute 32.
Outer fixed surface of second internal thread slider 34 is connected with connecting rod 35, the one end fixedly connected with second grip block 36 that second internal thread slider 34 was kept away from to connecting rod 35, second grip block 36 and differential pressure transmitter body 4 looks adaptation, the surface of second grip block 36 is provided with anti-skidding cushion, and the shape of second grip block 36 is the same with differential pressure transmitter body 4, thereby be convenient for press from both sides tight fixed to differential pressure transmitter body 4, the outside of backup pad 31 is provided with second handle 37, the one end that second bidirectional threaded rod 33 is close to second handle 37 runs through backup pad 31 and extends to the outside of backup pad 31, one end and second handle 37 fixed connection that second bidirectional threaded rod 33 is close to second handle 37, the surface of second handle 37 is equipped with anti-skidding line, through rotating second handle 37, can rotate second bidirectional threaded rod 33.
Referring to fig. 4, PMKD 1's top is provided with differential pressure transmitter body 4, differential pressure transmitter body 4 is prior art, can utilize the theory of operation of negative feedback to liquid, the liquid level of gas or steam, flow and pressure are tested, do not describe the inner structure of differential pressure transmitter body 4 is too much, differential pressure transmitter body 4's surface mounting has connecting tube 5, connecting tube 5 keeps away from one end flange joint of differential pressure transmitter body 4 and is surveyed pipeline 6, when being surveyed in pipeline 6 liquid, when gas or steam flow direction connecting tube 5, differential pressure transmitter body 4 can be to being surveyed the interior liquid of pipeline 6, gas or steam measure.
The working principle is as follows: during the use, place differential pressure transmitter body 4 between two second grip blocks 36, rotate second handle 37, drive second two-way threaded rod 33 and rotate, make two second internal thread sliders 34 close to each other, drive two second grip blocks 36 through connecting rod 35 and close to each other, and press from both sides tight fixed to differential pressure transmitter body 4, connect connecting tube 5 and pipeline 6 under test through the flange, rotate first in command 27, drive first two-way threaded rod 22 and rotate, and make two first internal thread sliders 23 close to each other, when first grip block 25 and pipeline 6 under test contact, two first internal thread sliders 23 continue to be close to, and compression spring 26, under the elastic force effect of compressed spring 26, will be measured pipeline 6 and press from both sides tight fixed, the device can be after connecting tube 5 and pipeline 6 under test flange joint, will be measured pipeline 6 and carry out the centre gripping fixed, thereby can lead to the flange joint between connecting tube 5 and the pipeline 6 under test when avoiding the staff mistake to touch pipeline 6 under test, the sealing performance between the pipeline 5 and the pipeline 6 under test, can guarantee the sealed connection between the pipeline 6 after the test, the pipeline 5 and the sealed connection of the pipeline 6 under test, the test can guarantee the sealed connection effect of pipeline.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. Differential pressure transmitter with high sealing performance, comprising a fixed base plate (1), characterized in that: the top of PMKD (1) is provided with first fixed establishment (2), first fixed establishment (2) are including offering first spout (21) at PMKD (1) upper surface, the inner wall of first spout (21) rotates and is connected with first two-way threaded rod (22), the surface threaded connection of first two-way threaded rod (22) has two symmetrical first internal thread slider (23), first internal thread slider (23) sliding connection is at the inner wall of first spout (21), the external fixed surface of first internal thread slider (23) is connected with telescopic link (24), the first grip block of one end fixedly connected with (25) of first internal thread slider (23) is kept away from in telescopic link (24), the external fixed surface of first internal thread slider (23) is connected with spring (26), the surface of one end fixed connection at first grip block (25) is kept away from in spring (24) cover, the top of PMKD (1) is provided with second fixed establishment (3), the top of PMKD (1) is provided with differential pressure body (4).
2. The differential pressure transmitter with high sealing performance according to claim 1, wherein: the outer portion of the fixed bottom plate (1) is provided with a first handle (27), one end, close to the first handle (27), of the first bidirectional threaded rod (22) penetrates through the fixed bottom plate (1) and extends to the outer portion of the fixed bottom plate (1), and one end, close to the first handle (27), of the first bidirectional threaded rod (22) is fixedly connected with the first handle (27).
3. The differential pressure transmitter with high sealing performance according to claim 1, wherein: the second fixing mechanism (3) comprises a supporting plate (31) fixedly connected to the upper surface of the fixing bottom plate (1), a second sliding groove (32) is formed in the outer surface of the supporting plate (31), and a second bidirectional threaded rod (33) is rotatably connected to the inner wall of the second sliding groove (32).
4. The differential pressure transmitter with high sealing performance of claim 3, wherein: the outer surface of the second bidirectional threaded rod (33) is in threaded connection with two symmetrical second internal thread sliding blocks (34), and the second internal thread sliding blocks (34) are in sliding connection with the inner wall of the second sliding groove (32).
5. The differential pressure transmitter with high sealing performance according to claim 4, characterized in that: the fixed surface of second internal thread slider (34) is connected with connecting rod (35), the one end fixedly connected with second grip block (36) of second internal thread slider (34) are kept away from in connecting rod (35), second grip block (36) and differential pressure transmitter body (4) looks adaptation.
6. The differential pressure transmitter with high sealing performance according to claim 3, characterized in that: a second handle (37) is arranged outside the support plate (31), one end, close to the second handle (37), of the second bidirectional threaded rod (33) penetrates through the support plate (31) and extends to the outside of the support plate (31), and one end, close to the second handle (37), of the second bidirectional threaded rod (33) is fixedly connected with the second handle (37).
7. The differential pressure transmitter with high sealing performance of claim 1, wherein: the outer surface mounting of differential pressure transmitter body (4) has connecting tube (5), the one end flange connection that differential pressure transmitter body (4) was kept away from in connecting tube (5) has by survey pipeline (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222278052.8U CN218411524U (en) | 2022-08-29 | 2022-08-29 | Differential pressure transmitter with high sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222278052.8U CN218411524U (en) | 2022-08-29 | 2022-08-29 | Differential pressure transmitter with high sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218411524U true CN218411524U (en) | 2023-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222278052.8U Active CN218411524U (en) | 2022-08-29 | 2022-08-29 | Differential pressure transmitter with high sealing performance |
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| Country | Link |
|---|---|
| CN (1) | CN218411524U (en) |
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2022
- 2022-08-29 CN CN202222278052.8U patent/CN218411524U/en active Active
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