CN214305628U - Pressure-bearing equipment pressure measurement directional pressure-leading device - Google Patents
Pressure-bearing equipment pressure measurement directional pressure-leading device Download PDFInfo
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- CN214305628U CN214305628U CN202022996658.6U CN202022996658U CN214305628U CN 214305628 U CN214305628 U CN 214305628U CN 202022996658 U CN202022996658 U CN 202022996658U CN 214305628 U CN214305628 U CN 214305628U
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Abstract
The utility model discloses a pressure-bearing equipment pressure measurement directional pressure device, including drawing pressure pipe, gland nut, joint and pressure drawing mouth, connect with draw and press the pipe to be connected, just draw and press the pipe to pass connect, gland nut respectively with connect, draw and press the union coupling and act on both and closely laminate, connect with the face of drawing pressing the pipe and laminating mutually is first sealed face, draw press the pipe with the face that connects laminating mutually is the sealed face of second, draw and press the mouth to locate the one end of drawing the pipe. This draw pressure device adopts mechanical seal structure for dismantling split type structure between drawing the pressure pipe and connecting, can dismantle between the two simultaneously, when the maintenance of loosing core needs and wasing, only need will draw the pressure pipe and connect the separation to will draw the pressure pipe take out can, need not wholly to demolish.
Description
Technical Field
The utility model belongs to the pressure-bearing equipment field, concretely relates to directional pressure device that draws of pressure-bearing equipment pressure measurement.
Background
The prior art adopts the mode of welding the pressure-guiding structure on the pressure-bearing equipment, and has the following defects:
(1) pressure-bearing equipment such as U-shaped tubular heat exchanger, double-shell journey packing box heat exchanger often need loose core to overhaul and wash, see fig. 1, and the pressure measurement draws pressure structure lug weld on the container, if the directional pressure device that draws stretches into in the core structure, before loosing core, then need draw pressure structure to demolish and just can loose core with the pressure measurement. By adopting a welding structure, welding seams are required to be polished every time, the container and the pressure-guiding tubular surface are easily damaged, and the pressure-guiding structure is often disposable. If the pressure-bearing equipment is high-pressure equipment, the surface of the container wall is welded, local heat treatment is needed in many times, and the maintenance cost of the pressure-bearing equipment is greatly increased.
(2) The directional pressure guiding device corresponds to determine the assembly direction through the direction identification, the direction orientation is not easy, the position rotation displacement is easy to occur in the initial welding process of the directional pressure guiding device, the assembly precision of the pressure guiding structure is reduced, and the pressure measuring precision is influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above shortcoming of prior art, the utility model aims to provide a pressure-bearing equipment pressure measurement directional pressure device that draws aims at solving the current pressure measurement that exists and draws the pressure structure and demolish the problem of difficulty.
The utility model discloses a reach its purpose, the technical scheme who adopts as follows:
the utility model provides a pressure-bearing equipment pressure measurement directional pressure device, includes pressure tube, gland nut, connects and pressure nozzle, connect with pressure tube is connected, just pressure tube passes connect, gland nut respectively with connect, pressure tube connect and effect both make its inseparable laminating, connect with pressure tube facial features that laminates is first sealed face, pressure tube with connect facial features that laminates for the second sealed face, pressure nozzle locates pressure tube's one end.
Preferably, the joint comprises a first through hole for the pressure guiding pipe to pass through, a limiting part is arranged on the pressure guiding pipe, the radial size of the limiting part is larger than the aperture size of the first through hole, the first sealing surface is arranged on the limiting part, and the second sealing surface is arranged at the aperture of the first through hole close to one end of the limiting part.
Preferably, the compression nut comprises a second through hole which is in a step shape and comprises a step large hole and a step small hole, the pressure guiding pipe penetrates through the step small hole, the step large hole is connected with the connector, and the transition surface of the step small hole and the step large hole acts on the limiting part to enable the limiting part to be tightly attached to the hole opening of the first through hole.
Preferably, the stepped large hole and the joint are connected with each other in a threaded connection mode.
Preferably, a limiting groove is formed in the first through hole, and a limiting boss matched with the limiting groove is arranged on the pressure leading pipe.
Preferably, the first sealing surface is a spherical sealing surface and the second sealing surface is a conical sealing surface.
Preferably, the pressure guiding pipe comprises a first pressure guiding channel, the pressure guiding nozzle comprises a T-shaped pressure guiding hole, the T-shaped pressure guiding hole comprises a second pressure guiding channel and a third pressure guiding channel, the second pressure guiding channel is communicated with the first pressure guiding channel and the third pressure guiding channel, and the third pressure guiding channel is perpendicular to the first pressure guiding channel.
Preferably, the joint is provided with an anti-rotation boss.
Preferably, the section of the anti-rotation boss is of a regular polygon structure arranged along the outer wall surface of the joint in a surrounding mode.
Preferably, the pressure guiding nozzle is connected with the pressure guiding pipe in a welding mode.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a pressure-bearing equipment pressure measurement directional pressure device that draws, for dismantling split type structure, draw and press the pipe and connect between adopt mechanical seal structure, can dismantle simultaneously between the two, when the maintenance of loosing core and wasing, only need will draw and press the pipe and connect the separation to will draw press the pipe take out can, need not wholly to demolish.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
FIG. 1 is a schematic diagram of the prior art;
FIG. 2 is a schematic view of the present invention mounted to a container;
FIG. 3 is a sectional view of the structure of the present invention;
fig. 4 is a sectional view of the pressure guiding pipe of the present invention;
fig. 5 is a structural sectional view of the joint of the present invention;
fig. 6 is a structural sectional view of the gland nut of the present invention.
Description of reference numerals:
1-a pressure guiding pipe, 2-a compression nut, 3-a joint, 4-a pressure guiding nozzle, 5-a first sealing surface, 6-a second sealing surface, 8-a first through hole, 9-a limiting part, 10-a second through hole, 11-a limiting groove, 12-a limiting boss, 13-a first pressure guiding channel, 14-a second pressure guiding channel, 15-a third pressure guiding channel, 16-an anti-rotation boss and 17-a container.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and detailed description. In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, and the described embodiments are merely some embodiments, rather than all embodiments, of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 2 to 6, an embodiment of the present invention provides a pressure-bearing device pressure measurement directional pressure-guiding device, including a pressure-guiding pipe 1, a gland nut 2, a joint 3 and a pressure-guiding nozzle 4, wherein the joint 3 includes a first through hole 8 for the pressure-guiding pipe 1 to pass through, the pressure-guiding pipe 1 is provided with a limiting portion 9, a radial dimension of the limiting portion 9 is greater than a pore size of the first through hole 8, the gland nut 2 includes a second through hole 10, the second through hole 10 is in a ladder shape and includes a ladder large hole and a ladder small hole, the pressure-guiding pipe 1 passes through the ladder small hole, the ladder large hole is connected with the joint 3, so that a transition surface of the ladder small hole and the ladder large hole acts on the limiting portion 9 and a pore of the first through hole 8 to be closely attached to each other, the limiting portion 9 is provided with a first sealing surface 5 attached to the pressure-guiding pipe 1, the first through hole 8 is close to the orifice of one end of the limiting part 9 and is provided with a second sealing surface 6, the first sealing surface 5 and the second sealing surface 6 are tightly attached to each other, the first sealing surface 5 is a spherical sealing surface, the second sealing surface 6 is a conical sealing surface, and the pressure-leading nozzle 4 is arranged at one end of the pressure-leading pipe 1.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a can dismantle split type structure, draw promptly and press the pipe and connect between fix through gland nut, like this when the maintenance of loosing core of needs is examined and repaired and is washd, only need will draw and press the pipe and connect the separation, take out and draw and press the pipe can, need not wholly to demolish easy dismounting. Meanwhile, the first sealing surface and the second sealing surface are tightly attached to each other under the action of the compression nut, the first sealing surface is a spherical sealing surface, the second sealing surface is a conical sealing surface, namely, a lens sealing pad type mechanical sealing structure is realized, the lens sealing pad type mechanical sealing structure is adopted, the attachment position of the first sealing surface and the second sealing surface is approximately in line contact, great sealing specific pressure is generated, the sealing effect is ensured, and meanwhile, the lens sealing pad type mechanical sealing structure is adopted, so that the sealing contact area is small, the required pre-tightening force is small, and the sealing is reliable.
Preferably, the stepped large hole and the joint 3 are connected with each other in a threaded connection manner. And the mode of threaded connection is adopted, so that the compression nut, the joint and the pressure guiding pipe can be conveniently mounted and dismounted.
Preferably, a limiting groove 11 is arranged at the first through hole 8, and a limiting boss 12 matched with the limiting groove 11 is arranged on the pressure leading pipe 1. Through the setting of spacing groove and spacing boss, can guarantee to draw when pressing the pipe and connecting the cooperation, draw the pressure hole direction of pressing the pressure mouth of pressing pipe one end, it is more convenient to draw the location of pressing the pipe, satisfies the user demand.
Preferably, the joint 3 is provided with an anti-rotation boss 16. The anti-rotation boss is used for preventing the joint from rotating under the action of the wrench when the compression nut and the joint are screwed or unscrewed.
Preferably, the cross section of the anti-rotation boss 16 is a regular polygon structure arranged around the outer wall surface of the joint 3.
Preferably, the pressure guiding pipe 1 includes a first pressure guiding channel 13, the pressure guiding nozzle 4 includes a T-shaped pressure guiding hole, the T-shaped pressure guiding hole includes a second pressure guiding channel 14 and a third pressure guiding channel 15, the second pressure guiding channel 14 is respectively communicated with the first pressure guiding channel 13 and the third pressure guiding channel 15, and the third pressure guiding channel 15 is perpendicular to the first pressure guiding channel 13. The passage opening of the third pressure guide passage is correspondingly arranged with the limiting boss, so that when the limiting groove is matched with the limiting boss, the direction of the passage opening of the third pressure guide passage can be ensured to meet the pressure guide requirement.
Preferably, the pressure guiding nozzle 4 is connected with the pressure guiding pipe 1 by welding.
The utility model discloses an installation method as follows:
firstly, welding a joint on a container wall in a pressure area to be measured, ensuring that a limiting groove on the joint is in the lower area of a vertical position during welding, then integrally assembling and welding a pressure guiding pipe and a pressure guiding nozzle, wherein the position of a pressure guiding hole on the pressure guiding nozzle is matched with a limiting boss on the pressure guiding pipe, realizing assembly positioning through the matching of the limiting boss and the limiting groove, ensuring that the direction of the pressure guiding hole meets the pressure guiding requirement, and finally, tightly clamping the anti-rotation boss area on the joint by using a spanner, screwing a compression nut, and forcibly pressing a first sealing surface on the pressure guiding pipe onto a second sealing surface on the joint to realize a lens sealing pad type sealing structure; if need take out the pressure pipe, only need with spanner clamp connection on prevent revolving the boss region after, after the pine compresses tightly the nut soon, take out the pressure pipe can.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments do not depart from the technical solution of the present invention, and still fall within the scope of the technical solution of the present invention.
Claims (10)
1. The pressure-bearing equipment pressure measurement directional pressure-guiding device is characterized by comprising a pressure-guiding pipe, a compression nut, a joint and a pressure-guiding nozzle, wherein the joint is connected with the pressure-guiding pipe, the pressure-guiding pipe penetrates through the joint, the compression nut is respectively connected with the joint and the pressure-guiding pipe and acts on the joint and the pressure-guiding pipe to enable the joint and the pressure-guiding pipe to be tightly attached, the surface, attached to the pressure-guiding pipe, of the joint is a first sealing surface, the surface, attached to the joint, of the pressure-guiding pipe is a second sealing surface, and the pressure-guiding nozzle is arranged at one end of the pressure-guiding pipe.
2. The pressure-bearing equipment pressure measurement directional pressure-guiding device according to claim 1, wherein the joint comprises a first through hole for the pressure-guiding pipe to pass through, a limiting part is arranged on the pressure-guiding pipe, the radial dimension of the limiting part is larger than the aperture dimension of the first through hole, the first sealing surface is arranged on the limiting part, and the second sealing surface is arranged at the aperture of the first through hole close to one end of the limiting part.
3. The pressure-bearing equipment pressure measurement directional pressure-guiding device according to claim 2, wherein the compression nut comprises a second through hole, the second through hole is in a step shape and comprises a step large hole and a step small hole, the pressure-guiding pipe penetrates through the step small hole, and the step large hole is connected with the joint, so that the transition surface of the step small hole and the step large hole acts on the limiting part to enable the limiting part to be tightly attached to the hole opening of the first through hole.
4. The pressure-bearing equipment pressure measurement directional pressure-guiding device as claimed in claim 3, wherein the large stepped hole and the joint are connected with each other by a threaded connection.
5. The pressure-bearing equipment pressure measurement directional pressure-guiding device according to claim 2, wherein a limiting groove is arranged at the first through hole, and a limiting boss matched with the limiting groove is arranged on the pressure-guiding pipe.
6. The pressure-bearing equipment pressure measurement directional pressure-inducing device of claim 1, wherein the first sealing surface is a spherical sealing surface and the second sealing surface is a conical sealing surface.
7. The pressure-bearing equipment pressure measurement directional pressure-guiding device according to claim 1, wherein the pressure-guiding pipe comprises a first pressure-guiding channel, the pressure-guiding nozzle comprises a T-shaped pressure-guiding hole, the T-shaped pressure-guiding hole comprises a second pressure-guiding channel and a third pressure-guiding channel, the second pressure-guiding channel is respectively communicated with the first pressure-guiding channel and the third pressure-guiding channel, and the third pressure-guiding channel is perpendicular to the first pressure-guiding channel.
8. The pressure-bearing equipment pressure measurement directional pressure-guiding device according to claim 1, wherein the joint is provided with a rotation-proof boss.
9. The pressure-bearing equipment pressure measurement orientation pressure-guiding device of claim 8, wherein the section of the anti-rotation boss is a regular polygon structure arranged along the outer wall surface of the joint in a surrounding manner.
10. The pressure-bearing equipment pressure measurement directional pressure-guiding device according to any one of claims 1-9, characterized in that the pressure-guiding nozzle is connected with the pressure-guiding pipe by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022996658.6U CN214305628U (en) | 2020-12-11 | 2020-12-11 | Pressure-bearing equipment pressure measurement directional pressure-leading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022996658.6U CN214305628U (en) | 2020-12-11 | 2020-12-11 | Pressure-bearing equipment pressure measurement directional pressure-leading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214305628U true CN214305628U (en) | 2021-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022996658.6U Active CN214305628U (en) | 2020-12-11 | 2020-12-11 | Pressure-bearing equipment pressure measurement directional pressure-leading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214305628U (en) |
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2020
- 2020-12-11 CN CN202022996658.6U patent/CN214305628U/en active Active
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