CN202770595U - Pipe fitting sealing and leakage checking device - Google Patents

Pipe fitting sealing and leakage checking device Download PDF

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Publication number
CN202770595U
CN202770595U CN 201220416035 CN201220416035U CN202770595U CN 202770595 U CN202770595 U CN 202770595U CN 201220416035 CN201220416035 CN 201220416035 CN 201220416035 U CN201220416035 U CN 201220416035U CN 202770595 U CN202770595 U CN 202770595U
Authority
CN
China
Prior art keywords
leak
piston
pipe fitting
checking apparatus
sealing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220416035
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Chinese (zh)
Inventor
王彩英
王永刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WUHU TONGHE AUTOMOBILE FLUID SYSTEM CO., LTD.
Original Assignee
Wuhu Tonhe Automobile Fluid System Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhu Tonhe Automobile Fluid System Co Ltd filed Critical Wuhu Tonhe Automobile Fluid System Co Ltd
Priority to CN 201220416035 priority Critical patent/CN202770595U/en
Application granted granted Critical
Publication of CN202770595U publication Critical patent/CN202770595U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a pipe fitting sealing and leakage checking device which is applied to the field of pipeline sealing and checking of automotive pipe fittings. A fixed seat (5) and a base (6) of the pipe fitting sealing and leakage checking device are connected. A gap is reserved between the fixed seat (5) and the base (6). A piston (7) and a pipeline (8) are arranged in the fixed seat (5). One end of the pipeline (8) is connected with a leakage detecting device (9) providing leakage detecting liquid with pressure into the pipeline (8) while the other end of the pipeline (8) extends to form a piston body portion (10) penetrating through the piston (7). The piston (7) is configured to extend to one side close to the base (6) when the leakage detecting device (9) provides the leakage detecting liquid with pressure. According to the utility model, by pushing the piston with the spring elastic force of a helical spring and the pressure of the leakage detecting liquid, the clamping force is increased; the sealing at the left end face and the right end face of a ball head is improved; and the pipeline sealing and leakage checking of the pipe fittings can be completed conveniently and quickly.

Description

Pipe fitting sealing leak-checking apparatus
Technical field
The utility model belongs to the line seal detection technique field of automobile pipe fitting, more particularly, relates to a kind of pipe fitting sealing leak-checking apparatus that the pipeline of pipe fitting is detected.
Background technology
Along with constantly bringing forth new ideas of the pipeline structure of automobile power steering tube spare, the continuous increase of product type, the user is higher to the performance requirement of pipeline.Therefore, the sealing effectiveness that directly affects the pipeline performance receives much concern.In the prior art, generally solve by leakage detection apparatus because the problem that bulb partly leaks gas and causes the pipeline inner pressure deficiency and can not accurately hunt leak.But existing leakage detection apparatus can not satisfy the test to its sealing.Because the device of this structure can not be well with in the pipeline with the butt-end packing of bulb, and then equipment can't accurately be hunted leak to pipeline.
The utility model content
Technical problem to be solved in the utility model is: provide a kind of simple in structure, can be easily the ball head of pipe fitting be sealed, thereby finish quickly the pipe fitting sealing leak-checking apparatus that the line seal of pipe fitting is leaked hunting.
Solve above-described technical matters, the technical scheme that the utility model is taked is:
The utility model is a kind of pipe fitting sealing leak-checking apparatus, the pipe fitting that described sealing leak-checking apparatus sealing is leaked hunting comprises the ball head of tubulose, ball head comprises left end hole and right-hand member hole, described sealing leak-checking apparatus comprises holder, holder is connected with base, be set to exist the structure in gap between holder and the base, piston is set in the holder, pipeline, described pipeline one end is connected with the leak test plant with the leak detection liquid of pressure is provided in pipeline, the other end of pipeline extends to the structure of the piston only section of passing piston, and when leak test plant provided in the pipeline with the leak detection liquid of pressure, piston was set to the structure of stretching out near a side of base.
Described base arranges the reference column I near on the one side of holder, and when pipe fitting was leaked hunting in the sealing of sealing leak-checking apparatus, the left end borehole jack of the ball head of pipe fitting was contained on the reference column I, and the piston of sealing leak-checking apparatus is set to extend to the right-hand member hole inner structure of ball head.
The piston of described sealing leak-checking apparatus arranges the reference column II near on the end face of base, when pipe fitting is leaked hunting in the sealing of sealing leak-checking apparatus, the left end borehole jack of the ball head of pipe fitting is contained on the reference column I, the right-hand member borehole jack of ball head is contained on the reference column II, and the pressure of the leak detection liquid that leak test plant provides is controlled at 20-30 MPa.
Twice are set perpendicular to the connecting link of holder on the described holder, described base sheath is contained on the twice connecting link, the end of twice connecting link arranges respectively the stop nut that stops base to skid off connecting link, multiple-sealed groove I is set respectively on described reference column I and the reference column II, and every road sealing groove I is set with an O-ring seal I.
Described sealing leak-checking apparatus also comprises lever operated parts, lever operated parts comprise handle, support, telescopic mast, described support is connected with holder, and the telescopic mast movable set is in holder, and the end that telescopic mast is positioned at holder is resisted against on the piston, telescopic mast is positioned at the other end of holder outside and an end of handle is flexibly connected, and the medium position of handle and support are flexibly connected.
End near telescopic mast on the piston of described sealing leak-checking apparatus arranges diameter dimension less than the spring suit section of piston only section, a helical spring end that is sleeved in the spring suit section is resisted against on the boss of piston only section and spring suit section junction, the helical spring other end is resisted against on the interior limiting stand of holder, and described volute spring is in the application of force state of piston being pushed to close base one end.
The above together seal groove II along piston only section outside surface one circle is set on the piston of described sealing leak-checking apparatus, be set with an O-ring seal II in every road sealing groove, the above together seal groove III along telescopic mast outside surface one circle is set on the telescopic mast, is set with an O-ring seal III in every road sealing groove III.
Described sealing leak-checking apparatus also comprises tapered sleeve, and described tapered sleeve is connected with leak test plant.
Adopt the technical solution of the utility model, can obtain following beneficial effect:
Pipe fitting sealing leak-checking apparatus of the present utility model, seal when leaking hunting at the pipeline to pipe fitting, the ball head of pipe fitting is installed between base and the holder, the left end borehole jack of the ball head of pipe fitting is contained on the reference column I, the right-hand member borehole jack of ball head is contained on the reference column II, utilize the pressure pushing piston of helical spring spring force, leak detection liquid, increase clamping force, thereby strengthened the sealing to bulb left side and place, right side, can make things convenient for, the line seal of finishing quickly pipe fitting is leaked hunting, and has guaranteed simultaneously to seal the accuracy of the numerical value that leaks hunting.
Description of drawings
The below makes briefly bright to each accompanying drawing of this instructions expressed content and the mark among the figure:
Fig. 1 is the one-piece construction schematic diagram of pipe fitting sealing leak-checking apparatus described in the utility model;
Fig. 2 is the local structure for amplifying schematic diagram of pipe fitting sealing leak-checking apparatus described in the utility model;
Fig. 3 is the structural representation of the pipe fitting of pipe fitting sealing leak-checking apparatus described in the utility model;
Fig. 4 is the sectional structure schematic diagram of A-A face of the pipe fitting of the described pipe fitting of Fig. 3 sealing leak-checking apparatus;
Be labeled as among the figure: 1, pipe fitting; 2, ball head; 3, left end hole; 4, right-hand member hole; 5, holder; 6, base; 7, piston; 8, pipeline; 9, leak test plant; 10, piston only section; 11, reference column I; 12, reference column II; 13, connecting link; 14, stop nut; 15, seal groove I; 16, O-ring seal I; 17, lever operated parts; 18, handle; 19, support; 20, telescopic mast; 21, spring suit section; 22, volute spring; 23, boss; 24, limiting stand; 25, seal groove II; 26, O-ring seal II; 27, seal groove III; 28, O-ring seal III; 29, tapered sleeve.
Embodiment
The below contrasts accompanying drawing, by the description to embodiment, the effect of the mutual alignment between the shape of embodiment of the present utility model such as related each member, structure, the each several part and annexation, each several part and principle of work etc. are described in further detail:
Shown in accompanying drawing 1-accompanying drawing 4, the utility model is a kind of pipe fitting sealing leak-checking apparatus, the pipe fitting 1 that described sealing leak-checking apparatus sealing is leaked hunting comprises the ball head 2 of tubulose, ball head 2 comprises left end hole 3 and right-hand member hole 4, described sealing leak-checking apparatus comprises holder 5, holder 5 is connected with base 6, be set to exist the structure in gap between holder 5 and the base 6, the described holder 5 interior pistons 7 that arrange, pipeline 8, described pipeline 8 one ends are connected with the leak test plant 9 with the leak detection liquid of pressure is provided in pipeline 8, the other end of pipeline 8 extends to the structure of the piston only section 10 of passing piston 7, when leak test plant 9 provided in the pipeline 8 with the leak detection liquid of pressure, piston 7 was set to the structure of stretching out near a side of base 6.
Described base 6 arranges reference column I 11 near on the one side of holder 5, when pipe fitting is leaked hunting in the sealing of sealing leak-checking apparatus, the left end hole 3 of the ball head 2 of pipe fitting 1 is sleeved on the reference column I 11, and the piston 7 of sealing leak-checking apparatus is set to extend to right-hand member hole 4 inner structures of ball head 2.
The piston 7 of described sealing leak-checking apparatus arranges reference column II 12 near on the end face of base 6, when pipe fitting 1 is leaked hunting in the sealing of sealing leak-checking apparatus, the left end hole 3 of the ball head 2 of pipe fitting 1 is sleeved on the reference column I 11, the right-hand member hole 4 of ball head 2 is sleeved on the reference column II 12, and the pressure of the leak detection liquid that described leak test plant 9 provides is controlled at 20-30 MPa.
Twice are set perpendicular to the connecting link 13 of holder 5 on the described holder 5, described base 6 is sleeved on the twice connecting link 13, the end of twice connecting link 13 arranges respectively the stop nut 14 that stops base 6 to skid off connecting link 13, multiple-sealed groove I 15 is set respectively on described reference column I 11 and the reference column II 12, and every road sealing groove I 15 is set with an O-ring seal I 16.
Described sealing leak-checking apparatus also comprises lever operated parts 17, lever operated parts 17 comprise handle 18, support 19, telescopic mast 20, described support 19 is connected with holder 5, and telescopic mast 20 movable sets are in holder 5, and the end that telescopic mast 20 is positioned at holder 5 is resisted against on the piston 7, telescopic mast 20 is positioned at the other end of holder 5 outsides and an end of handle 18 is flexibly connected, and the medium position of handle 18 and support 19 are flexibly connected.
End near telescopic mast 20 on the piston 7 of described sealing leak-checking apparatus arranges diameter dimension less than the spring suit section 21 of piston only section 10, an end that is sleeved on the volute spring 22 in the spring suit section 21 is resisted against on the boss 23 of piston only section 10 and spring suit section 21 junctions, the other end of volute spring 22 is resisted against on the limiting stand 24 in the holder 5, and described volute spring 22 is in pushes piston near base 6 one ends application of force state.
The above together seal groove II 25 along piston only section 10 outside surfaces, one circle is set on the piston 7 of described sealing leak-checking apparatus, be set with an O-ring seal II 26 in every road sealing groove 25, the above together seal groove III 27 along telescopic mast 20 outside surfaces one circle is set on the described telescopic mast 20, is set with an O-ring seal III 28 in every road sealing groove III 27.
Described sealing leak-checking apparatus also comprises tapered sleeve 29, and tapered sleeve 29 is connected with leak test plant 9.
In pipe fitting sealing leak-checking apparatus of the present utility model, the effect of handle 18 is that the position of mobile piston 7 is when needing to place pipe fitting to be detected, pull first handle 18, piston shrinks to handle 18 1 ends, at this moment, the ball head 2 of need leak detection is put into base 6 positions, at this moment, release handle 18, handle 18 is under the thrust of volute spring 22, piston 7 is got back to original position, thereby realize the purpose with pipe fitting compression to be detected.
Pipe fitting sealing leak-checking apparatus described in the utility model, seal when leaking hunting at the pipeline to pipe fitting, the ball head of pipe fitting is installed between base and the holder, at this moment, the left end borehole jack of the ball head of pipe fitting is contained on the reference column I, the right-hand member borehole jack of ball head is contained on the reference column II, thereby realized spacing to ball head, then, because helical spring existence, it will be to the piston applied thrust, thereby play the effect of clamping balls head, at this moment, the control leak test plant provides the leak detection liquid with pressure in the pipeline of sealed sides leakage device, at this moment, leak detection liquid passes piston along pipeline, enters into the pipeline in the pipe fitting in the left end hole of ball head, because each seal groove I 15 respectively is set with an O-ring seal I 16, this just plays sealing function to the disconnected empty position in stomidium position and the right side of doing of ball head, thereby avoids exposing leak detection liquid from the ball head of pipe fitting. and whether the leak detection liquid of High Voltage, thereby can seal the building, pass of pipe fitting detect.
Sealed sides leakage device of the present utility model, utilize the pressure pushing piston of helical spring spring force, leak detection liquid, increase clamping force, thereby strengthened the sealing to bulb left side and place, right side, can make things convenient for, the line seal of finishing quickly pipe fitting is leaked hunting, and has guaranteed simultaneously to seal the accuracy of the numerical value that leaks hunting.
The above has carried out exemplary description to the utility model by reference to the accompanying drawings; obviously the concrete realization of the utility model is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present utility model and technical scheme to carry out; or without improving design of the present utility model and technical scheme are directly applied to other occasions, all in protection domain of the present utility model.

Claims (8)

1. a pipe fitting seals leak-checking apparatus, it is characterized in that: the pipe fitting (1) that described sealing leak-checking apparatus sealing is leaked hunting comprises the ball head (2) of tubulose, ball head (2) comprises left end hole (3) and right-hand member hole (4), described sealing leak-checking apparatus comprises holder (5), holder (5) is connected with base (6), be set to exist the structure in gap between holder (5) and the base (6), piston (7) is set in the described holder (5), pipeline (8), described pipeline (8) one ends are connected with the leak test plant (9) with the leak detection liquid of pressure is provided in pipeline (8), the other end of pipeline (8) extends to the structure of the piston only section (10) of passing piston (7), when described leak test plant (9) provided in the pipeline (8) with the leak detection liquid of pressure, described piston (7) was set to the structure of stretching out near a side of base (6).
2. pipe fitting according to claim 1 seals leak-checking apparatus, it is characterized in that: described base (6) arranges reference column I (11) near on the one side of holder (5), when pipe fitting is leaked hunting in the sealing of sealing leak-checking apparatus, the left end hole (3) of the ball head (2) of pipe fitting (1) is sleeved on the reference column I (11), and the piston (7) of sealing leak-checking apparatus is set to extend to right-hand member hole (4) inner structure of ball head (2).
3. pipe fitting according to claim 2 seals leak-checking apparatus, it is characterized in that: the piston of described sealing leak-checking apparatus (7) arranges reference column II (12) near on the end face of base (6), when pipe fitting (1) is leaked hunting in the sealing of sealing leak-checking apparatus, the left end hole (3) of the ball head (2) of pipe fitting (1) is sleeved on the reference column I (11), the right-hand member hole (4) of ball head (2) is sleeved on the reference column II (12), and the pressure of the leak detection liquid that described leak test plant (9) provides is controlled at 20-30 MPa.
4. pipe fitting according to claim 2 seals leak-checking apparatus, it is characterized in that: twice are set perpendicular to the connecting link (13) of holder (5) on the described holder (5), described base (6) is sleeved on the twice connecting link (13), the end of twice connecting link (13) arranges respectively the stop nut (14) that stops base (6) to skid off connecting link (13), on described reference column I (11) and the reference column II (12) multiple-sealed groove I (15) is set respectively, every road sealing groove I (15) is set with an O-ring seal I (16).
5. pipe fitting according to claim 4 seals leak-checking apparatus, it is characterized in that: described sealing leak-checking apparatus also comprises lever operated parts (17), lever operated parts (17) comprise handle (18), support (19), telescopic mast (20), described support (19) is connected with holder (5), telescopic mast (20) movable set is in holder (5), the end that telescopic mast (20) is positioned at holder (5) is resisted against on the piston (7), the end that telescopic mast (20) is positioned at the outside other end of holder (5) and handle (18) is flexibly connected, and the medium position of handle (18) and support (19) are flexibly connected.
6. pipe fitting according to claim 5 seals leak-checking apparatus, it is characterized in that: the upper end near telescopic mast (20) of the piston of described sealing leak-checking apparatus (7) arranges diameter dimension less than the spring suit section (21) of piston only section (10), an end that is sleeved on the volute spring (22) in the spring suit section (21) is resisted against on the boss (23) of piston only section (10) and spring suit section (21) junction, the other end of volute spring (22) is resisted against on the interior limiting stand (24) of holder (5), and described volute spring (22) is in the application of force state of piston being pushed to close base (6) one ends.
7. pipe fitting according to claim 6 seals leak-checking apparatus, it is characterized in that: the upper seal groove II (25) along piston only section (10) outside surface one circle that arranges more than one of the piston of described sealing leak-checking apparatus (7), be set with an O-ring seal II (26) in every road sealing groove (25), the upper seal groove III (27) along telescopic mast (20) outside surface one circle that arranges more than one of described telescopic mast (20) is set with an O-ring seal III (28) in every road sealing groove III (27).
8. pipe fitting according to claim 7 seals leak-checking apparatus, and it is characterized in that: described sealing leak-checking apparatus also comprises tapered sleeve (29), and described tapered sleeve (29) is connected with leak test plant (9).
CN 201220416035 2012-08-21 2012-08-21 Pipe fitting sealing and leakage checking device Expired - Fee Related CN202770595U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220416035 CN202770595U (en) 2012-08-21 2012-08-21 Pipe fitting sealing and leakage checking device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220416035 CN202770595U (en) 2012-08-21 2012-08-21 Pipe fitting sealing and leakage checking device

Publications (1)

Publication Number Publication Date
CN202770595U true CN202770595U (en) 2013-03-06

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Application Number Title Priority Date Filing Date
CN 201220416035 Expired - Fee Related CN202770595U (en) 2012-08-21 2012-08-21 Pipe fitting sealing and leakage checking device

Country Status (1)

Country Link
CN (1) CN202770595U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102829920A (en) * 2012-08-21 2012-12-19 芜湖通和汽车管路系统有限公司 Pipe fitting leakage sealing and detecting device
CN103714652A (en) * 2013-11-11 2014-04-09 国家电网公司 High voltage switch cabinet door abnormal opening alarm device
CN106768650A (en) * 2016-12-14 2017-05-31 贵州红林机械有限公司 A kind of valve pressure analogue experiment installation and application method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102829920A (en) * 2012-08-21 2012-12-19 芜湖通和汽车管路系统有限公司 Pipe fitting leakage sealing and detecting device
CN102829920B (en) * 2012-08-21 2015-04-15 芜湖通和汽车管路系统有限公司 Pipe fitting leakage sealing and detecting device
CN103714652A (en) * 2013-11-11 2014-04-09 国家电网公司 High voltage switch cabinet door abnormal opening alarm device
CN103714652B (en) * 2013-11-11 2019-01-18 国家电网公司 A kind of high-voltage switch cabinet door unnormal unlocking warning device
CN106768650A (en) * 2016-12-14 2017-05-31 贵州红林机械有限公司 A kind of valve pressure analogue experiment installation and application method

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: WUHU TONGHE AUTOMOBILE FLUID SYSTEM CO., LTD.

Free format text: FORMER NAME: WUHU TONGHE AUTO PIPELINE SYSTEM CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: 241009 Hengshan Road economic and Technological Development Zone, Anhui, No. 26,

Patentee after: WUHU TONGHE AUTOMOBILE FLUID SYSTEM CO., LTD.

Address before: 241009 Hengshan Road economic and Technological Development Zone, Anhui, No. 26,

Patentee before: Wuhu Tonhe Automobile Fluid System Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130306

Termination date: 20160821

CF01 Termination of patent right due to non-payment of annual fee