CN209878466U - Quick sealing mechanism for pipeline pressure measurement - Google Patents
Quick sealing mechanism for pipeline pressure measurement Download PDFInfo
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- CN209878466U CN209878466U CN201920605052.XU CN201920605052U CN209878466U CN 209878466 U CN209878466 U CN 209878466U CN 201920605052 U CN201920605052 U CN 201920605052U CN 209878466 U CN209878466 U CN 209878466U
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Abstract
The utility model discloses a quick sealing mechanism for measuring pressure of a pipeline, which comprises a joint body and the pipeline, wherein the joint body is connected with a hook; the central part of the middle limit plate is provided with a through hole; the lower end of the pipeline is connected with a core pipe; the core tube is fixedly connected with the push plate at the bottom; two ends of the push plate are connected with side limiting plates, and the upper ends of the side limiting plates and the side edges of the levers are provided with fixing holes for mounting tension springs; the middle part of the core tube is provided with a sealing groove and is connected with a conical sleeve component. By arranging the assembly of the conical sleeve, the core pipe and other devices, the top of the conical sleeve assembly tightly props against the bottom plane of the top plate of the core pipe, and the effect of sealing the pipe orifice of the pipeline can be achieved through the movement of the conical sleeve and the core pipe; the sealing groove is formed in the core pipe between the conical sleeve and the core pipe, and the sealing ring is placed on the sealing groove to prevent pressure measuring gas from leaking from the conical sleeve and the core pipe. The device is for dismantling, and it is simple to dismantle, and the equipment is convenient, and is sealed effectual.
Description
Technical Field
The utility model relates to a quick sealing mechanism is used in pipeline pressure measurement belongs to the hydraulic pressure pipeline sealing field.
Background
Common sealing forms of the pipe joint of the engineering mechanical hydraulic system mainly comprise 2 types of plane sealing and conical surface sealing, wherein the plane sealing is divided into E-shaped column end type sealing, A-shaped column end type sealing, hinged bolt type sealing and flange type sealing; the conical surface seal is divided into flared seal, 30-degree conical seal, 24-degree conical seal (i.e. composite seal) and cutting sleeve type seal. Other forms of sealing are also possible. Although the specific structure of each sealing form is different, the sealing principle is that a sealing element (such as an O-shaped ring, an ED seal, a copper gasket, a combined sealing gasket and the like) and the sealed element are mutually pressed to form a sealing surface so as to prevent hydraulic oil from overflowing.
The pipeline of the hydraulic system comprises a hose and a hard pipe, and a ferrule type, welding type and other connecting methods are arranged between the hard pipe and a joint. The quality of the welding seam after the joint and the hard pipe are welded has great influence on the hydraulic pipeline, and the consequences are serious if welding defects exist. At present, the pressure measurement method generally adopts a bolt to press a plate with an O-shaped ring at a joint so as to prevent the pressure measurement gas from overflowing. But the time is long, the efficiency is low, the pipeline needs to be sealed in the pipeline pressure measurement test, the pipeline is usually sealed by bolts and pressure plates, the speed is low, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
To the problem that above-mentioned prior art exists, the utility model provides a quick sealing mechanism is used in pipeline pressure measurement for the quality of solving joint and hard tube welding back welding seam influences great problem to hydraulic line, thereby prevents that the gas of pressure measurement from spilling over, and the equipment is dismantled conveniently, and the practicality is strong, simple structure, and is with low costs.
In order to realize the purpose, the utility model discloses a technical scheme is: a quick sealing mechanism for measuring pressure of a pipeline comprises a joint body and a pipeline fixedly connected with the joint body; the two ends of the joint body are connected with hooks; the hook comprises a reverse hook type clamping upper end part and a hook connecting end, wherein the bottom of the hook connected with the lever and the middle limiting plate is provided with a U-shaped opening; a through hole for connecting the middle limiting plate and the lever is formed in the position, close to the inner protruding end, of the lower end of the hook connecting end; the central part of the middle limit plate is provided with a through hole; the lower end of the pipeline is connected with a core pipe; the core pipe penetrates through a through hole in the central part of the middle limiting plate and is fixedly connected with the push plate at the bottom; two ends of the push plate are connected with side limiting plates, and two sides of the push plate are provided with a U-shaped groove II; the upper end of the side limiting plate and the side edge of the lever are provided with fixing holes for mounting tension springs; the middle part of the core pipe is provided with a sealing groove for mounting a sealing ring and is connected with the conical sleeve component; the conical sleeve assembly comprises a conical sleeve with a through hole in the center and an upper limiting plate which is positioned on the bottom surface of the conical sleeve and connected with the rectangular body, and two ends of the upper limiting plate are provided with U-shaped openings; a first needle bearing is connected to the U-shaped opening of the upper limiting plate; the upper limiting plate is fixedly connected with the conical sleeve, and a through hole is formed in the center of the upper limiting plate; the middle limiting plate comprises a middle limiting bottom plate with U-shaped grooves I on two sides and fixing plates arranged at 4 end parts of the middle limiting bottom plate positioned on two sides of the left U-shaped groove I and the right U-shaped groove I; the fixing plate is provided with a through hole; the lever comprises an arc plate with a through hole at the upper end, a lever main body and a lever lower connecting end; and a second needle bearing is arranged on the lower connecting end of the lever.
Preferably, the periphery of the joint body is provided with a limiting hole for installing a limiting device; the limiting hole is internally provided with a lower surface which is used for being tightly propped against the connecting device; the joint body is in the shape of an oval-like straight plate with a through hole and a center connecting pipeline.
Preferably, the pipeline and the joint body are connected in a welding mode, and the pipeline is made of hard tubes.
Preferably, the number of the hooks is two, and the hooks are respectively arranged on two sides of the joint body; the shape of the upper end part of the clamping joint is a barb-shaped body, and the hook is tightly clamped on the upper surface of the joint body through the upper end part of the clamping joint.
Preferably, the hook, the lever and the middle limit plate are connected through hexagon socket head cap screws, the tail part of the hook is fastened through nuts, the hexagon socket head cap screws sequentially penetrate through a through hole in the fixing plate on one side of the middle limit bottom plate, a through hole with an arc plate at the upper end of the lever, two through holes in the hook connecting end and the fixing plate symmetrical to the fixing plate on the same side, and the hook, the lever and the middle limit bottom plate are screwed and connected through nuts at the tail end.
Preferably, the section shape of the core tube is a right-angle T shape; the upper end surface of the conical sleeve is connected with the upper end of the core pipe; and the U-shaped openings at two sides between the upper limiting plates are connected with a needle bearing I through inner hexagonal bolts.
Preferably, the core pipe sequentially penetrates through the through hole of the conical sleeve, the through hole of the upper limiting plate and the central through hole of the middle limiting plate to be fixedly connected with the push plate at the bottom in a threaded manner; the through hole of the conical sleeve, the through hole of the upper limiting plate and the central through hole of the middle limiting plate have the same aperture size.
Preferably, the side limiting plates are connected with the push plate through bolts, and the number of the side limiting plates is two and the side limiting plates are respectively arranged on two sides of the push plate.
The utility model has the advantages that: by arranging the assembly of the conical sleeve, the core pipe and other devices, the top of the conical sleeve assembly tightly props against the bottom plane of the top plate of the core pipe, and the effect of sealing the pipe orifice of the pipeline can be achieved through the movement of the conical sleeve and the core pipe; a sealing groove is formed between the conical sleeve and the core pipe, and a sealing ring is arranged on the sealing groove, so that the effect of sealing between the conical sleeve and the core pipe can be achieved, and pressure measuring gas is prevented from leaking between the conical sleeve and the core pipe; the quality of joint body and pipeline welding back welding seam influences hydraulic line very much, the utility model discloses this problem of solution that can be fine, the device is for dismantling, and it is simple to dismantle, and the equipment is convenient, and is sealed effectual, the utility model discloses an utilize the gaseous output as the interior pressure measurement of intraductal, convenient operation is feasible.
Drawings
Fig. 1 is a schematic three-dimensional structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic left side view of the structure of the present invention;
FIG. 5 is a schematic plan view A-A of the present invention
FIG. 6 is a schematic three-dimensional view of the joint body and the pipeline connection of the present invention;
fig. 7 is a schematic diagram of a three-dimensional structure of the lever of the present invention;
fig. 8 is a schematic view of the three-dimensional structure of the hook of the present invention;
fig. 9 is a schematic three-dimensional structure diagram of the middle limiting plate of the present invention;
fig. 10 is a schematic view of a three-dimensional structure of a push plate according to the present invention;
fig. 11 is a schematic structural view of the taper sleeve assembly of the present invention.
In the figure: 1. the device comprises a connector body, 1-1 parts, limiting holes, 2 parts, a pipeline, 3 parts, a hook, 3-1 parts, 3-2 parts, a hook connecting end, 4 parts, a lever, 4-1 parts, an arc plate, 4-2 parts, a lever main body, 4-3 parts, a lever lower connecting end, 4-4 parts, a needle bearing II, 5 parts, a middle limiting plate, 5-1 parts, a U-shaped groove I, 5-2 parts, a middle limiting bottom plate, 5-3 parts, a fixing plate, 6 parts, a core pipe, 7 parts, a push plate, 8 parts, a side limiting plate, 9 parts, a tension spring, 9-1 parts, a fixing hole, 10 parts, a sealing ring, 10-1 parts, a sealing groove, 11 parts, a conical sleeve assembly, 11-1 parts, a conical sleeve, 11-2 parts, an upper limiting plate, 11-.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the 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, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention.
As shown in fig. 1, 2, 3, 4 and 5, the quick sealing mechanism for measuring pressure of a pipeline comprises a joint body 1 and a pipeline 2 fixedly connected with the joint body 1; the two ends of the joint body 1 are connected with hooks 3; the hook 3 comprises a reverse hook type clamping upper end part 3-1 and a hook connecting end 3-2, wherein a U-shaped opening is formed in the bottom of the hook 3 connected with the lever 4 and the middle limiting plate 5; a through hole for connecting the middle limiting plate 5 and the lever 4 is formed in the position, close to the inner protruding end, of the lower end of the hook connecting end 3-2; the central part of the middle limit plate 5 is provided with a through hole; the lower end of the pipeline 2 is connected with a core pipe 6; the core pipe 6 penetrates through a through hole in the central part of the middle limiting plate 5 and is fixedly connected with the push plate 7 at the bottom; two ends of the push plate 7 are connected with side limiting plates 8,
two sides of the push plate 7 shown in figure 10 are provided with a U-shaped groove II 7-1; the upper end of the side limiting plate 8 and the side edge of the lever 4 are provided with fixing holes 9-1 for mounting tension springs 9; the middle part of the core tube 6 is provided with a sealing groove 10-1 for mounting a sealing ring 10 and is connected with a conical sleeve component 11;
as shown in fig. 11, the conical sleeve assembly 11 comprises a conical sleeve 11-1 with a through hole in the center and an upper limiting plate 11-2 with U-shaped openings at two ends and connecting with a rectangular body at the bottom of the conical sleeve 11-1; a U-shaped opening of the upper limiting plate 11-2 is connected with a needle bearing I11-3; the upper limiting plate 11-2 is fixedly connected with the conical sleeve 11-1, and a through hole is formed in the center of the upper limiting plate 11-2;
as shown in the schematic three-dimensional structure of the middle limiting plate shown in fig. 9, the middle limiting plate 5 includes a middle limiting bottom plate 5-2 with U-shaped grooves one 5-1 at two sides and a fixing plate 5-3 fixedly installed at 4 end positions of the middle limiting bottom plate 5-2 at two sides of the left and right U-shaped grooves one 5-1; the fixing plate 5-1 is provided with a through hole;
as shown in fig. 7, which is a schematic three-dimensional structure diagram of the lever, the lever 4 comprises an arc plate 4-1 with a through hole at the upper end, a lever main body 4-2 and a lever lower connecting end 4-3; and a second needle bearing 4-4 is arranged on the lower connecting end 4-3 of the lever.
As shown in fig. 6, which is a schematic view of a three-dimensional structure of a joint body and a pipeline, a limiting hole 1-1 for installing a limiting device is formed around the joint body 1; the limiting hole 1-1 is internally provided with a lower surface which is used for being tightly propped against the connecting device; the joint body 1 is shaped like an oval straight plate with a through hole and a central connecting pipeline 2.
The pipeline 2 and the joint body 1 are connected in a welding mode, and the pipeline 2 is made of hard tubes.
As shown in fig. 8, which is a schematic diagram of a three-dimensional structure of the hook, two hooks 3 are provided, and are respectively disposed on two sides of the joint body 1; the shape of the upper end part 3-1 of the clamping joint is a barb-shaped body, and the hook 3 is tightly clamped on the upper surface of the joint body 1 through the upper end part 3-1 of the clamping joint.
The hook 3, the lever 4 and the middle limit plate 5 are connected through inner hexagon bolts, the tail parts of the hook 3, the lever 4 and the middle limit plate 5 are fastened through nuts, the inner hexagon bolts sequentially penetrate through a through hole in a fixing plate 5-3 on one side of a middle limit bottom plate 5-2, a through hole with an arc plate 4-1 at the upper end of the lever 4, two through holes in a hook connecting end 3-2 and a fixing plate 5-3 symmetrical to the fixing plate 5-3 on the same side, and the tail ends of the hook 3, the lever 4 and the fixing plate are connected.
The section of the core pipe 6 is in a right-angle T shape; the upper end surface of the conical sleeve 11-1 is connected with the upper end of the core pipe 6; the U-shaped openings on two sides between the upper limiting plates 11-2 are connected with needle roller bearings 11-3 through inner hexagon bolts.
The core pipe 6 sequentially penetrates through the through hole of the conical sleeve 11-1, the through hole of the upper limiting plate 11-2 and the central through hole of the middle limiting plate 5 to be fixedly connected with the push plate 7 at the bottom in a threaded manner; the through hole of the conical sleeve 11-1, the through hole of the upper limiting plate 11-2 and the central through hole of the middle limiting plate 5 have the same aperture size.
The side limiting plates 8 are connected with the push plate 7 through bolts, and the number of the side limiting plates 8 is two and the side limiting plates are respectively arranged on two sides of the push plate 7.
The utility model relates to a quick sealing mechanism for measuring pressure of a pipeline, which is mainly used for quickly and accurately sealing the pipeline 2, and simultaneously can achieve better sealing effect when using the device, and the main working principle is that firstly, the device is assembled, a joint body 1 is connected with the pipeline 2 in a welding way, and particularly, the selection is carried out according to the selection of the material of the pipeline 2; in the embodiment, a welding mode is selected, the connector body 1 and the pipeline 2 are connected together, pressure of pressure measuring gas is used as input, hooks 3 on two sides are hung on two sides of the connector body 1, after high-pressure gas is introduced, the high-pressure gas presses a core tube 6 tightly, the core tube 6 moves away from the connector body 1, the core tube 6 is connected with a push plate 7 through threads, the core tube 6 pushes the push plate 7 to move outwards, rectangular openings are formed in two ends of the push plate 7, one section of a lever 4 penetrates through the opening of the push plate 7, two needle bearings II 4-4 are arranged at the bottom of the lever 4, the push plate 7 pushes the needle bearings II 4-4 to move in the direction away from the connector body 1, the needle bearings II 4-4 drive the lever 4 to move inwards, and further an arc plate 4-1 on the lever 4 moves upwards to drive the needle bearings I11-3 to move upwards, the whole conical sleeve assembly 11 moves upwards along with the rolling bearing I11-3, at the moment, the top of the conical sleeve 11-1 of the conical sleeve assembly 11 abuts against the bottom plane of the top plate of the core pipe 6 tightly, the effect of sealing the pipe orifice of the pipeline 2 can be achieved through the conical sleeve 11-1 and the core pipe 6 together, a sealing groove 10-1 is formed in the core pipe 6 between the conical sleeve 11-1 and the core pipe 6, a sealing ring 10 is placed on the sealing groove 10-1, the effect of placing the sealing between the conical sleeve 11-1 and the core pipe 6 can be achieved, the stronger the pressure of the pressure-measuring gas is, and the integral sealing effect is enhanced accordingly according to a pressure formula.
The device is as a simple pipeline pressure measurement with quick seal, overall structure is simple, and the hookup location relation of each part clearly can express a main function of this embodiment, the utility model discloses a detachable if the damage appears can change at any time, can place whole device in liquid and inspect sealing performance in the test procedure.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (8)
1. A quick sealing mechanism for pipeline pressure measurement is characterized by comprising a joint body (1) and a pipeline (2) fixedly connected with the joint body (1); two ends of the joint body (1) are connected with hooks (3); the hook (3) comprises a reverse hook type clamping upper end part (3-1) and a hook connecting end (3-2) with a U-shaped opening formed at the bottom of the hook (3) connected with the lever (4) and the middle limiting plate (5); a through hole for connecting the middle limiting plate (5) and the lever (4) is formed in the position, close to the inner protruding end, of the lower end of the hook connecting end (3-2); the central part of the middle limit plate (5) is provided with a through hole; the lower end of the pipeline (2) is connected with a core pipe (6); the core pipe (6) penetrates through a through hole in the central part of the middle limiting plate (5) and is fixedly connected with the push plate (7) at the bottom; two ends of the push plate (7) are connected with side limiting plates (8), and two sides of the push plate (7) are provided with a U-shaped groove II (7-1); the upper end of the side limiting plate (8) and the side edge of the lever (4) are provided with fixing holes (9-1) for installing tension springs (9); the middle part of the core pipe (6) is provided with a sealing groove (10-1) for mounting a sealing ring (10), and the sealing groove is connected with a conical sleeve component (11); the conical sleeve assembly (11) comprises a conical sleeve (11-1) with a through hole in the center and an upper limiting plate (11-2) which is positioned at the bottom surface of the conical sleeve (11-1) and connected with the rectangular body and provided with U-shaped openings at two ends; a first needle bearing (11-3) is connected to a U-shaped opening of the upper limiting plate (11-2); the upper limiting plate (11-2) is fixedly connected with the conical sleeve (11-1), and a through hole is formed in the center of the upper limiting plate (11-2); the middle limit plate (5) comprises a middle limit bottom plate (5-2) with U-shaped grooves I (5-1) on two sides and fixing plates (5-3) fixedly installed at 4 end parts of the middle limit bottom plate (5-2) on two sides of the left U-shaped groove I (5-1); the fixing plate (5-3) is provided with a through hole; the lever (4) comprises an arc plate (4-1) with a through hole at the upper end, a lever main body (4-2) and a lever lower connecting end (4-3); and a second needle bearing (4-4) is arranged on the lower connecting end (4-3) of the lever.
2. The quick sealing mechanism for measuring the pressure of the pipeline according to claim 1, wherein the periphery of the joint body (1) is provided with a limiting hole (1-1) for installing a limiting device; the limiting hole (1-1) is internally provided with a lower surface which is used for being tightly propped against the connecting device; the joint body (1) is shaped as an oval-like straight plate with a through hole and a central connecting pipeline (2).
3. The quick sealing mechanism for measuring pressure of pipelines according to claim 1, wherein the pipeline (2) and the joint body (1) are connected by welding, and the pipeline (2) is made of hard tube material.
4. The quick sealing mechanism for measuring the pressure of the pipeline according to claim 1, wherein the number of the hooks (3) is two, and the two hooks are respectively arranged on two sides of the joint body (1); the shape of the upper end part (3-1) of the clamping joint is a barb-shaped body, and the hook (3) is tightly clamped on the upper surface of the joint body (1) through the upper end part (3-1) of the clamping joint.
5. The quick sealing mechanism for measuring pressure of pipelines according to claim 1, wherein the hook (3), the lever (4) and the middle limiting plate (5) are connected through hexagon socket head cap screws, the tail part of the quick sealing mechanism is fastened through nuts, the hexagon socket head cap screws sequentially pass through a through hole in the fixing plate (5-3) on one side of the middle limiting bottom plate (5-2), a through hole with an arc plate (4-1) at the upper end of the lever (4), two through holes in the hook connecting end (3-2) and a fixing plate (5-3) symmetrical to the fixing plate (5-3) on the same side, and the tail end of the quick sealing mechanism is fastened through nuts.
6. The quick sealing mechanism for measuring pressure of pipelines according to claim 1, wherein the cross section of the core tube (6) is in a right-angle T shape; the upper end surface of the conical sleeve (11-1) is connected with the upper end of the core pipe (6); the U-shaped openings at two sides between the upper limiting plates (11-2) are connected with a needle bearing I (11-3) through inner hexagonal bolts.
7. The quick sealing mechanism for measuring pressure of pipelines according to claim 1 or 6, wherein the core tube (6) sequentially passes through the through hole of the conical sleeve (11-1), the through hole of the upper limiting plate (11-2), the central through hole of the middle limiting plate (5) and the push plate (7) at the bottom to be fixedly connected with threads; the through hole of the conical sleeve (11-1), the through hole of the upper limiting plate (11-2) and the central through hole of the middle limiting plate (5) have the same aperture size.
8. The quick sealing mechanism for measuring the pressure of the pipeline according to claim 1 or 6, wherein the side limiting plates (8) are connected with the push plate (7) through bolts, and the number of the side limiting plates (8) is two and the side limiting plates are respectively arranged on two sides of the push plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920605052.XU CN209878466U (en) | 2019-04-29 | 2019-04-29 | Quick sealing mechanism for pipeline pressure measurement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920605052.XU CN209878466U (en) | 2019-04-29 | 2019-04-29 | Quick sealing mechanism for pipeline pressure measurement |
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| CN209878466U true CN209878466U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920605052.XU Active CN209878466U (en) | 2019-04-29 | 2019-04-29 | Quick sealing mechanism for pipeline pressure measurement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006745A (en) * | 2019-04-29 | 2019-07-12 | 徐州鼎元机械有限公司 | A kind of pipeline testing pressure rapid sealing mechanism |
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2019
- 2019-04-29 CN CN201920605052.XU patent/CN209878466U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006745A (en) * | 2019-04-29 | 2019-07-12 | 徐州鼎元机械有限公司 | A kind of pipeline testing pressure rapid sealing mechanism |
| CN110006745B (en) * | 2019-04-29 | 2024-06-07 | 河南伯爵液压科技发展有限公司 | Quick sealing mechanism for pipeline pressure measurement |
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