CN206617699U - A kind of pressure testing device - Google Patents
A kind of pressure testing device Download PDFInfo
- Publication number
- CN206617699U CN206617699U CN201720372842.9U CN201720372842U CN206617699U CN 206617699 U CN206617699 U CN 206617699U CN 201720372842 U CN201720372842 U CN 201720372842U CN 206617699 U CN206617699 U CN 206617699U
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- Prior art keywords
- pressure testing
- bolt
- hole
- nut
- tapering
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Abstract
The utility model provides a kind of pressure testing device, belongs to field of mechanical technique, and it solves the problem of existing glass reinforced plastic pipe pressure testing device installs inconvenience.This pressure testing device includes：Female end, at least one pressure testing hole is offered around female end；Socket end, stretches into female end, and two mounting grooves for placing sealing ring are offered in socket end, and female end, socket end and two sealing rings surround to form annular space, pressure testing hole and annular space UNICOM；Pressure testing mouth, it is made up of plug, bolt, nut is additionally provided between plug and bolt, bolt is installed with tapering away from nut one end, plug, nut, bolt and tapering are connected as a single entity setting successively, tapering can drive bolt to screw in pressure testing hole, and after bolt screws in pressure testing hole, the first screw thread cooperated with bolt is formed with pressure testing hole；Screw, its circumferential lateral surface offers the second screw thread cooperated with the first screw thread.The utility model have it is simple in construction, the characteristics of be easily installed.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of pressure testing device, particularly a kind of to be used to test fiberglass
The pressure testing device of pipe connection sealing.
Background technology
Chamber for fibre-reinforced plastics sand inclusion pipe, abbreviation glass reinforced plastic pipe is a kind of novel flexible nonmetallic (resin, fiber, sand
Deng) composite material conduit, typically produced using definite-length-winding process, spun casting technique or continuous winding technique, be wide
A kind of general flexible composite pipeline used.
Type of attachment between glass reinforced plastic pipe has three kinds of forms such as socket joint, docking, flange connection, and the quality of quality of connection is straight
Connect the quality of influence pipeline.Pipeline spigot-and-socket connection is one of main link pattern of underground piping, double " O " type sealings multi-purpose at present
Circle connection, i.e., using the connection of two seals circles, female end has pressure testing mouth, make pressure testing mouth upwards during installation and in two sealing rings it
Between, it is passed through clear water according to the pressure of regulation in the annular space formed during pressure testing by pressure testing mouth to two sealing rings and carries out pressure testing,
With non-leakage to be qualified, it is ensured that the sealing effectiveness of each sealing ring is to ensure the overall pressure testing success of whole pipe-line system.
Existing glass reinforced plastic pipe is opened up for placing examination when carrying out pressure testing often by the female end in glass reinforced plastic pipe
The through hole of pressure mouth, and because the pressure testing mouth used is mostly for combined structure, by cored screw, packing ring, nut and fastening spiral shell
Bolt etc. is constituted, and structure is complex, and cored screw needs outwards to install inside pipeline and logical in pipeline external when mounted
Cross nut and fastening bolt is fastened, when it is time for repair, it is necessary to which the steel pipe for completing socket joint is taken apart, but due to fluid sealant
Enclosing the effect of the pressure formed between bell and spigot causes dismounting inconvenience；In addition smoothly to realize socket joint, the end face of cored screw is not
Glass reinforced plastic pipe inwall can inwardly be exceeded, therefore counterbore, processed complex and consuming man-hour need to be also opened up in through hole.
In summary, to solve deficiency existing in existing glass reinforced plastic pipe pressure testing device structure, the utility model is designed
A kind of simple in construction, pressure testing device for being easily installed.
The content of the invention
There is provided a kind of simple in construction, pressure testing for being easily installed to solve the problem of prior art is present for the utility model
Device.
The purpose of this utility model can be achieved through the following technical solutions：A kind of pressure testing device, including：
Female end, at least one pressure testing hole is offered around female end；
Socket end, stretches into female end, and two mounting grooves for placing sealing ring, each sealing ring are offered in socket end
Thickness be all higher than the depth of correspondence mounting groove, female end, socket end and two sealing rings surround to form annular space, pressure testing hole
With annular space UNICOM；
Pressure testing mouth, is made up of plug, bolt, nut is additionally provided between plug and bolt, bolt is away from nut one end
It is installed with tapering, the plug, nut, bolt and tapering are connected as a single entity setting successively, the diameter in tapering is less than the straight of bolt
Footpath, tapering can drive bolt to screw in pressure testing hole, and after bolt screws in pressure testing hole, be formed with and cooperated with bolt in pressure testing hole
The first screw thread；
Screw, its circumferential lateral surface offers the second screw thread cooperated with the first screw thread.
As the further improvement of this case, run through to offer symmetrically offering two " U " on inlet opening, tapering in pressure testing mouth
Shape groove, each " u "-shaped groove with inlet opening UNICOM, and " u "-shaped groove openend away from bolt set.
Improved as the another step of this case, the inlet opening includes first through hole, the second through hole, and first through hole is by plug
Extend to nut, the second through hole extends to tapering by nut, the inwall chamfered transition of first through hole to the inwall of the second through hole, institute
State " u "-shaped groove and the second through hole UNICOM.
As the further improvement of this case, the plug includes the first cylinder, the second cylinder, and second cylinder is located at the
Between one cylinder and nut and the second cylinder conical surface transition to the first cylinder, annular groove is further opened with the second cylinder.
Improve, also opened up by escape between bolt and nut as the another step of this case.
Compared with prior art, the utility model reasonable in design, the pressure testing mouth set using integral type reduces zero
Part；Pressure testing mouth directly can load outside female end, easy disassembly and maintenance, and counterbore need not be opened up inside female end,
It is easy to manufacture；In addition, in pressure testing, pressure testing mouth directly can be connected with outside pressure testing equipment, and simple operation can after pressure testing terminates
Pressure testing mouth is replaced to screw in pressure testing hole with screw, pressure testing mouth is reusable, reduces cost.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is Fig. 1 sectional view.
Fig. 3 is the structural representation of the utility model pilot scale pressure mouth.
Fig. 4 is Fig. 3 sectional view.
Fig. 5 is the state diagram of screw-in screw in the utility model.
Fig. 6 is the structural representation of screw in the utility model.
In figure, 10, female end；20th, socket end；21st, mounting groove；22nd, sealing ring；30th, pressure testing mouth；31st, plug；311st,
One cylinder；312nd, the second cylinder；313rd, annular groove；32nd, nut；33rd, bolt；34th, tapering；35th, inlet opening；351st, first leads to
Hole；352nd, the second through hole；36th, " u "-shaped groove；37th, escape；40th, screw；50th, annular space.
Embodiment
With reference to embodiment and accompanying drawing, the technical solution of the utility model is further elaborated.
As shown in Figures 1 to 5, this pressure testing device includes：
Female end 10, at least one pressure testing hole is offered around female end 10；
Socket end 20, stretches into female end 10, and two mounting grooves 21 for placing sealing ring 22 are offered in socket end 20,
The thickness of each sealing ring 22 is all higher than the depth of correspondence mounting groove 21, and female end 10, the sealing ring 22 of socket end 20 and two are closed
Enclose to form annular space 50, pressure testing hole and the UNICOM of annular space 50；
Pressure testing mouth 30, is made up of plug 31, bolt 33, and nut 32, bolt are additionally provided between plug 31 and bolt 33
33 are installed with tapering 34 away from the one end of nut 32, and plug 31, nut 32, bolt 33 and tapering 34 are connected as a single entity setting successively,
The diameter in tapering 34 is less than the diameter of bolt 33, and tapering 34 can drive bolt 33 to screw in pressure testing hole, and when bolt 33 screws in pressure testing
The first screw thread cooperated with bolt 33 is formed with Kong Hou, pressure testing hole；
Screw 40, its circumferential lateral surface offers the second screw thread cooperated with the first screw thread.
The pressure testing of glass reinforced plastic pipe is really the sealing for being used to test glass reinforced plastic pipe junction, i.e., two glass reinforced plastic pipe connections
The test of sealing afterwards.Glass reinforced plastic pipe two ends are respectively female end 10, socket end 20, during two glass reinforced plastic pipe connections, wherein
The socket end 20 of one glass reinforced plastic pipe is embedded in the female end 10 of another glass reinforced plastic pipe.
Existing glass reinforced plastic pipe is when carrying out pressure testing, often using the pressure testing mouth 30 of combined structure, including hollow spiral shell
Bar, packing ring, nut and fastening bolt etc., structure is complex, and cored screw is needed inside pipeline outwards when mounted
Install and fastened in pipeline external by nut and fastening bolt, when it is time for repair, it is necessary to the steel for completing socket joint
Pipe is taken apart, because the effect of pressure can cause dismounting inconvenience；In addition smoothly to realize socket joint, need to also be opened up in through hole counterbore with
Just it is embedded in screw rod end, it is to avoid screw rod is interfered with socket end 20, processed complex and consuming man-hour.
Therefore, the utility model devises a kind of pressure testing device, using the pressure testing mouth 30 being wholely set, directly from female end
10 outsides load pressure testing mouth 30, reduce installation difficulty, maintenance easy to disassemble.
Being tightly connected between female end 10 and socket end 20 is the sealing ring 22 and female end by being set in socket end 20
10 inwalls are brought into close contact to realize, sealing ring 22 is set to two, and each sealing ring 22 is really embedded in socket end 20
In the mounting groove 21 opened up, but the thickness of sealing ring 22（Refer specifically to thickness in radial directions）More than the depth of mounting groove 21
Degree, sealing ring 22 is compressed between female end 10 and socket end 20, is tightly connected so as to realize, and shape between two sealing rings 22
Into annular space 50.
Specifically, pressure testing mouth 30 be integrally formed by the plug 31 set gradually, nut 32, bolt 33 and tapering 34 and
Into the diameter in tapering 34 is consistent with the pressure testing bore dia under original state, and tapering 34 can screw in pressure testing hole and directly carry out tapping
Operation, tapering 34 drives whole pressure testing mouth 30 to act and bolt 33 is screwed in pressure testing hole, after bolt 33 screws in pressure testing hole, examination
Press the diameter in hole consistent with the diameter of bolt 33, and the first screw thread being engaged with bolt 33 is formd in pressure testing hole.
During pressure testing, pressure testing mouth 30 screws in pressure testing hole, the part of plug 31 of pressure testing mouth 30 can directly with outside pressure testing equipment
It is attached, the liquid of pressure testing enters pressure testing hole, the interior test for carrying out sealing of annular space 50 by pressure testing mouth 30 successively.This
The quantity in preferred pressure testing hole is one in embodiment, can open up multiple pressure testing hole in female end 10 according to actual needs
Pressure testing mouth 30 is unloaded after the completion of pressure testing, the pressure testing mouth 30 unloaded can be used for the work pressure test of other glass reinforced plastic pipes, weight
It is multiple to utilize, reduce cost.Again the second screw thread screwed in pressure testing hole on screw 40, and screw 40 and pressure testing hole
The first interior screw thread is engaged.
Preferred screw 40 is interior hexagonal countersunk head screw in the present embodiment, after screw 40 is screwed in pressure testing hole,
The upper surface of screw 40 is concordant with the circumferential lateral surface of female end 10 around pressure testing hole, and no exposed parts do not have during installation
The risk of collision, using effect is good.
Preferably, run through to offer in pressure testing mouth 30 and symmetrically offer two " u "-shaped grooves 36 on inlet opening 35, tapering 34,
Each " u "-shaped groove 36 with the UNICOM of inlet opening 35, and the openend of " u "-shaped groove 36 sets away from bolt 33.
Specifically, through inlet opening 35 is offered in pressure testing mouth 30, the liquid of pressure testing is entered by inlet opening 35, pressure testing hole
Enter annular space 50, opening up for " u "-shaped groove 36 is easy to liquid to enter annular space 50, the opening of " u "-shaped groove 36 out of pressure testing hole
Towards annular space 50, further it is easy to liquid smoothly to enter annular space 50, is conducive to the progress of work pressure test.
Further, inlet opening 35 includes first through hole 351, the second through hole 352, and first through hole 351 is prolonged by plug 31
Extend nut 32, the second through hole 352 extends to tapering 34 by nut 32, the inwall chamfered transition of first through hole 351 is to second logical
The inwall in hole 352, and aperture of the aperture more than the second through hole 352 of first through hole 351, the through hole 352 of " u "-shaped groove 36 and second
It is logical.
Wherein, inlet opening 35 is made up of the first through hole 351 of mutual UNICOM, the second through hole 352, and liquid is entered by plug 31
Passed through after pressure testing mouth 30 and second through hole 352 is entered until annular space 50, the inwall inclined-plane of first through hole 351 by first through hole 351
Transit to the inwall of the second through hole 352 and the aperture of first through hole 351 is more than the aperture of the second through hole 352 so that liquid is entering
Enter after inlet opening 35, pressure is further improved, the pressure into annular space 50 is larger, be conducive to the test to sealing.
Further, plug 31 includes the first cylinder 311, the second cylinder 312, and the second cylinder 312 is located at the first cylinder
Between 311 and nut 32 and the conical surface transition of the second cylinder 312 is to the first cylinder 311, annular is further opened with the second cylinder 312
Groove 313.
First cylinder 311, the second cylinder 312 be set on plug 31, and the conical surface transition of the second cylinder 312 is to the first cylinder
311, it is easy to plug 31 to be connected with outside pressure testing equipment, the structural strength being provided with beneficial to enhancing plug 31 of annular groove 313,
Kept under the compression shock of liquid stable.
Preferably, also opened up by escape 37 between bolt 33 and nut 32.Manufacture is easy in the setting of escape 37, together
When pressure testing mouth 30 screw in pressure testing hole after so that nut 32 can partly be resisted against the circumferential lateral surface of female end 10, it is ensured that pressure testing
Mouth 30 and the stable connection of female end 10.
The pressure testing mouth 30 that this pressure testing device is set using integral type reduces part；Pressure testing mouth 30 can be directly from female end
10 outsides load, easy disassembly and maintenance, and need not open up counterbore inside female end 10, are easy to manufacture；In addition, in pressure testing
When, pressure testing mouth 30 directly can be connected with outside pressure testing equipment, simple operation, and examination can be replaced with screw 40 after pressure testing terminates
Pressure mouth 30 is screwed in pressure testing hole, and pressure testing mouth 30 is reusable, reduces cost.
Described herein is only preferred embodiment of the present utility model, but protection domain of the present utility model is not
It is confined to this.Modification that the utility model those skilled in the art is carried out to described specific embodiment or supplement are adopted
Replaced, all should be covered by within protection domain of the present utility model with similar mode.
Claims (5)
1. a kind of pressure testing device, it is characterised in that including：
Female end, at least one pressure testing hole is offered around female end；
Socket end, stretches into female end, and two mounting grooves for placing sealing ring, the thickness of each sealing ring are offered in socket end
Degree is all higher than the depth of correspondence mounting groove, and female end, socket end and two sealing rings surround to form annular space, pressure testing hole and ring
Shape space UNICOM；
Pressure testing mouth, is made up of plug, bolt, and nut is additionally provided between plug and bolt, and bolt is fixed away from nut one end
There is a tapering, the plug, nut, bolt and tapering are connected as a single entity setting successively, the diameter in tapering is less than the diameter of bolt, cone
Portion can drive bolt to screw in pressure testing hole, and after bolt screws in pressure testing hole, and the with bolt mutual cooperation is formed with pressure testing hole
One screw thread；
Screw, its circumferential lateral surface offers the second screw thread cooperated with the first screw thread.
2. a kind of pressure testing device according to claim 1, it is characterised in that run through in pressure testing mouth and offer inlet opening,
It is symmetrical on tapering to offer two " u "-shaped grooves, each " u "-shaped groove with inlet opening UNICOM, and " u "-shaped groove openend away from bolt
Set.
3. a kind of pressure testing device according to claim 2, it is characterised in that the inlet opening includes first through hole, second
Through hole, and first through hole extends to nut by plug, the second through hole extends to tapering, the inwall inclined-plane mistake of first through hole by nut
Spend to the inwall of the second through hole, the " u "-shaped groove and the second through hole UNICOM.
4. a kind of pressure testing device according to claim 1 or 2 or 3, it is characterised in that the plug include the first cylinder,
Second cylinder, second cylinder is located between the first cylinder and nut and the second cylinder conical surface is excessively to the first cylinder, the
Annular groove is further opened with two cylinders.
5. a kind of pressure testing device according to claim 1 or 2 or 3, it is characterised in that also opened up between bolt and nut
By escape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720372842.9U CN206617699U (en) | 2017-04-11 | 2017-04-11 | A kind of pressure testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720372842.9U CN206617699U (en) | 2017-04-11 | 2017-04-11 | A kind of pressure testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206617699U true CN206617699U (en) | 2017-11-07 |
Family
ID=60235955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720372842.9U Expired - Fee Related CN206617699U (en) | 2017-04-11 | 2017-04-11 | A kind of pressure testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206617699U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145651A (en) * | 2019-05-15 | 2019-08-20 | 连云港中复连众复合材料集团有限公司 | It is a kind of can external pressure testing continuous winding glass fiber-reinforced plastic pipe joint and its test method |
| CN110425364A (en) * | 2019-08-20 | 2019-11-08 | 河北菲翼复合材料有限公司 | A kind of glass reinforced plastic bell and spigot fixed form |
| CN111271524A (en) * | 2020-01-20 | 2020-06-12 | 福建省水利水电工程局有限公司 | Construction method of glass fiber reinforced plastic sand inclusion water supply pipe |
-
2017
- 2017-04-11 CN CN201720372842.9U patent/CN206617699U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145651A (en) * | 2019-05-15 | 2019-08-20 | 连云港中复连众复合材料集团有限公司 | It is a kind of can external pressure testing continuous winding glass fiber-reinforced plastic pipe joint and its test method |
| CN110425364A (en) * | 2019-08-20 | 2019-11-08 | 河北菲翼复合材料有限公司 | A kind of glass reinforced plastic bell and spigot fixed form |
| CN111271524A (en) * | 2020-01-20 | 2020-06-12 | 福建省水利水电工程局有限公司 | Construction method of glass fiber reinforced plastic sand inclusion water supply pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171107 |