CN205102981U - Joint device - Google Patents

Joint device Download PDF

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Publication number
CN205102981U
CN205102981U CN201520876713.4U CN201520876713U CN205102981U CN 205102981 U CN205102981 U CN 205102981U CN 201520876713 U CN201520876713 U CN 201520876713U CN 205102981 U CN205102981 U CN 205102981U
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CN
China
Prior art keywords
hole
gas
sealing
air
piecing devices
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Application number
CN201520876713.4U
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Chinese (zh)
Inventor
陆群
王振光
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.)
Future automotive (Suzhou) Limited
Original Assignee
Beijing Changcheng Huaguan Automobile Technology Development Co Ltd
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Priority to CN201520876713.4U priority Critical patent/CN205102981U/en
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Publication of CN205102981U publication Critical patent/CN205102981U/en
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Abstract

The utility model relates to a joint device, including connecting the body, have first grafting position and second socket position that the intercommunication set up, first step hole sets up on the first grafting position, has the internal thread for power supply chi bao inflate that the hole peg graft to get into and with inflate hole threaded connection, first sealed pad has the air vent, installs on the step face in first step hole, be used for realizing first step hole with aerify sealing between the hole, quick connector has the air vent, and sealing connection is in on the second socket position, be used for with gas tube sealing connection. Above -mentioned joint device has avoided among the prior art direct peg graft the gas tube unablely on aerifing the hole to realize sealed technical defect, the leakproofness that has improved the gas tube and aerifyd the jogged joint through joint device for the testing result of airtight detector is more accurate.

Description

A kind of piecing devices
Technical field
The utility model relates to technical field of battery production, is specifically related to a kind of for realizing the piecing devices that airtight detector and power brick air-filled pore are tightly connected.
Background technology
At present, in national standard, concrete requirement is proposed to the water resistance of power brick, and determined by its sealing property due to the quality of the water resistance of power brick, so need to ensure that power brick has excellent sealing property, for this purpose, in power brick is produced, need to detect the sealing property of power brick essentially.
Usually adopt differential detection mode to detect the sealing property of power brick in prior art, concrete grammar is: be sealedly connected by the air-filled pore of airtight detector and power brick, utilize airtight detector in the power brick of sealing, be filled with the gas of certain pressure intensity from the air-filled pore of power brick, inflate complete and stable after, utilize airtight detector to detect the change of gas pressure intensity in power brick in certain hour section, then judge the quality of power brick sealing property according to the size of gas pressure intensity change.
In above-mentioned sealing property testing process, the air-filled pore (for metal aperture) of the gas-filled tube of airtight detector (being generally sebific duct) and power brick is needed to couple together, the connected mode be directly plugged on by gas-filled tube on air-filled pore outside surface is generally adopted in prior art, because the outside surface of air-filled pore has external thread, gas-filled tube cannot realize sealing between the two when being plugged on the outside surface of air-filled pore, thus reduces the accuracy of detection of airtight detector.
Utility model content
Therefore, the technical problems to be solved in the utility model is to overcome direct grafting between the gas-filled tube of airtight detector in prior art and the air-filled pore of power brick and causes sealing not high and be connected illusive technical matters, thus provides a kind of piecing devices that can improve connection sealing and fastness between the gas-filled tube of airtight detector and the air-filled pore of power brick.
For this reason, the utility model provides a kind of piecing devices, comprises
Joint body, has the first plugging position and the second plugging position that are communicated with and arrange;
First step hole, is arranged in described first plugging position, has internal thread, enters for the air-filled pore grafting for power brick and is threaded with air-filled pore;
First sealing gasket, has air hole, is arranged on the step surface in described first step hole, for realizing the sealing between described first step hole and described air-filled pore;
Quick connector, has air hole, is sealedly connected in described second plugging position, for being tightly connected with the gas-filled tube of airtight detector.
As preferably, described second plugging position has the spliced eye be communicated with described first step hole, described spliced eye arranges internal thread, described quick connector has external thread, described quick connector is threaded on described joint body by described internal thread and externally threaded cooperation.
As preferably, described spliced eye is second step hole, the step surface in described second step hole is provided with the second sealing gasket, and described second sealing gasket has air hole, and described second sealing gasket is for realizing the sealing between described second step hole and described quick connector.
As preferably, described quick connector has
3rd stepped hole, for entering for described gas-filled tube grafting;
3rd sealing gasket, be arranged on the step surface of described 3rd stepped hole, for sealing described gas-filled tube and described 3rd stepped hole, have spliced eye, the internal diameter of described spliced eye increases from the one end near described 3rd stepped hole gradually towards the one end away from described 3rd stepped hole;
Non-return structure, deviates from described 3rd stepped hole for stoping described gas-filled tube.
As preferably, described non-return structure is arranged in described 3rd stepped hole, is the non-return tooth in some roads of the axial distribution along described 3rd stepped hole.
As preferably, described non-return structure is set on described gas-filled tube, is non-return collar.
As preferably, the xsect outline of described joint body is positive hexagonal polygon.
As preferably, spliced eye and described first step hole one-body molded.
The technical solution of the utility model, tool has the following advantages:
1. the piecing devices that provide of the utility model, when specifically using, the charging hole of power brick is inserted in the first step hole of described joint body, now, the first sealing gasket on the step surface in first step hole is between described step surface and described air-filled pore, now, only need swivel adapter head body, namely by being arranged on together with both are tightened on the externally threaded cooperation be arranged on air-filled pore by internal thread on first step hole, and, first sealing gasket is by between the step surface that is locked at first step hole firmly and air-filled pore, make to realize good sealing between the two, then, the gas-filled tube of airtight detector and joint body couple together by recycling quick connector, being tightly connected of gas-filled tube and whole power brick can be realized, above-mentioned piecing devices avoid the technological deficiency being directly plugged on by gas-filled tube in prior art and air-filled pore cannot realizing seal, improve by piecing devices the sealing that gas-filled tube is connected with air-filled pore, make the testing result of airtight detector more accurate.
2. the piecing devices that provide of the utility model, as preferably, described second plugging position has the spliced eye be communicated with described first step hole, described spliced eye arranges internal thread, described quick connector has external thread, and described quick connector is threaded on described joint body by described internal thread and externally threaded cooperation.Also namely, quick connector and the second plugging position are threaded togather, and it is rapider that this makes these piecing devices install in use.
3. the piecing devices that provide of the utility model, as preferably, described spliced eye is second step hole, the step surface in described second step hole is provided with the second sealing gasket, described second sealing gasket has air hole, and described second sealing gasket is for realizing the sealing between described second step hole and described quick connector.Because the second sealing gasket is positioned on the step surface in second step hole, when quick connector is inserted in second step hole, second sealing gasket is between the step surface and quick connector in second step hole, now, only need swivel adapter head body or quick connector, namely by being arranged on together with both are tightened on the externally threaded cooperation be arranged on quick connector by internal thread on second step hole, and, second sealing gasket, by between the step surface that is locked at second step hole firmly and quick connector, makes to realize good sealing between the two.
4. the piecing devices that provide of the utility model, as preferably, described quick connector has the 3rd stepped hole, for entering for described gas-filled tube grafting; 3rd sealing gasket, be arranged on the step surface of described 3rd stepped hole, for sealing described gas-filled tube and described 3rd stepped hole, have spliced eye, the internal diameter of described spliced eye increases from the one end near described 3rd stepped hole gradually towards the one end away from described 3rd stepped hole; Non-return structure, deviates from described 3rd stepped hole for stoping described gas-filled tube.When specifically using, 3rd sealing gasket is resisted against on the step surface of the 3rd stepped hole, and gas-filled tube is inserted in the spliced eye of the 3rd sealing gasket, because the internal diameter of spliced eye near described 3rd stepped hole one end is little, and it is large away from the internal diameter of the 3rd stepped hole one end, therefore, gas-filled tube coordinates with spliced eye interference seal gradually in grafting process, and, the 3rd sealing gasket is made firmly to be resisted against on the 3rd stepped hole, achieve the excellent sealing of gas-filled tube and the 3rd sealing gasket, and prevent described gas-filled tube from deviating from described 3rd stepped hole by non-return structure, realize the reliable connection of gas-filled tube.
5. the piecing devices that provide of the utility model, as preferably, non-return structure is the non-return tooth in some roads of the axial distribution along the 3rd stepped hole, and the structure of this kind of non-return structure is simple and non-return effective.
6. the piecing devices that provide of the utility model, as preferably, described non-return structure is set on described gas-filled tube, is non-return collar.Easy for removal and installation.
7. the piecing devices that provide of the utility model, as preferably, the xsect outline of described joint body is positive hexagonal polygon, and handled easily personnel butt junction body carries out spinning movement.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the assembling schematic diagram of a kind of embodiment of piecing devices of the present utility model;
Fig. 2 is the split sterogram of a kind of embodiment of piecing devices of the present utility model;
Fig. 3 is the connection diagram of piecing devices of the present utility model and air-filled pore and gas-filled tube;
Fig. 4 is the using state reference diagram of a kind of embodiment of piecing devices of the present utility model;
Fig. 5 is the using state exploded view of a kind of embodiment of piecing devices of the present utility model.
Description of reference numerals:
1-joint body; 11-first plugging position; 12-second plugging position; 13-first step hole; 14-spliced eye; 2-first sealing gasket; 3-air-filled pore; 4-gas-filled tube; 5-quick connector; 6-power brick; The airtight detector of 7-; 100-piecing devices.
Embodiment
Be clearly and completely described the technical solution of the utility model below in conjunction with accompanying drawing, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it should be noted that, term " on ", "left", "right", etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
In addition, if below in the described different embodiment of the utility model involved technical characteristic do not form conflict each other and just can be combined with each other.
Embodiment 1
The present embodiment provides a kind of piecing devices 100, as shown in Figure 1, Figure 2 and shown in Fig. 3, comprises
Joint body 1, has the first plugging position 11 and the second plugging position 12 being communicated with and arranging;
First step hole 13, is arranged in described first plugging position 11, has internal thread, enters for air-filled pore 3 grafting for power brick 6 and is threaded with the air-filled pore 3 of power brick 6;
First sealing gasket 2, has air hole, is arranged on the step surface in described first step hole 13, for realizing the sealing between described first step hole 13 and described air-filled pore 3;
Quick connector 5, has air hole, is sealedly connected in described second plugging position 12, for being tightly connected with the gas-filled tube 4 of airtight detector 7.
Above-mentioned piecing devices, when specifically using, the charging hole 3 of power brick 6 is inserted in the first step hole 13 of described joint body 1, now, the first sealing gasket 2 on the step surface in first step hole 13 is between described step surface and described air-filled pore 3, now, only need swivel adapter head body, namely by being arranged on together with both are tightened on the externally threaded cooperation be arranged on air-filled pore 3 by internal thread on first step hole 13, and, first sealing gasket 2 is locked between the step surface in first step hole 13 and air-filled pore 3 firmly, make to realize between the two sealing well, then, the gas-filled tube 4 of airtight detector and joint body 1 couple together by recycling quick connector, being tightly connected of gas-filled tube 4 and whole power brick 6 can be realized, as shown in Figure 4 and Figure 5, above-mentioned piecing devices 100 avoid the technological deficiency being directly plugged on by gas-filled tube 4 in prior art and air-filled pore 3 cannot realizing seal, improve by piecing devices 100 sealing that gas-filled tube 4 is connected with air-filled pore 3, make the testing result of airtight detector more accurate.
It should be noted that, above-mentioned first plugging position 11 and the second plugging position 12 can be positioned at the axial two ends of joint body 1, as shown in fig. 1, also can need to adjust setting position according to installation, such as, by the first plugging position 11 and one of them upside being arranged on described joint body 1 of the second plugging position 12 or downside.
As preferred embodiment, the xsect outline of described joint body 1 is positive hexagonal polygon.Handled easily personnel butt junction body 1 carries out spinning movement.Certainly, the xsect outline of described joint body 1 can also be other shape, such as cylindric, quadrilateral etc.
As preferred embodiment, described quick connector 5 is screwed onto in described second plugging position 12, particularly, described second plugging position 12 has the spliced eye 14 be communicated with described first step hole 13, described spliced eye 14 arranges internal thread, described quick connector 3 has external thread, and described quick connector 3 is threaded on described joint body 1 by described internal thread and externally threaded cooperation.The above-mentioned connected mode structure of quick connector 5 and the second plugging position 12 is simple, convenient operation, and the sealing effectiveness be threaded is also relatively good.
As preferred embodiment, described spliced eye 14 is second step hole, the step surface in described second step hole is provided with the second sealing gasket (not shown), described second sealing gasket has air hole, and described second sealing gasket is for realizing the sealing between described second step hole and described quick connector 5.
The principle that this kind utilizes the second sealing gasket to realize sealing between quick connector 5 and described second step hole is identical with the mentioned above sealing principle utilizing the first sealing gasket 2 to realize between air-filled pore 3 and first step hole 13.Particularly, in use, because the second sealing gasket is positioned on the step surface in second step hole, when quick connector 5 is inserted in second step hole, between the step surface of the second sealing gasket in second step hole and quick connector 5, now, only need swivel adapter head body 1 or quick connector 5, namely by being arranged on together with both are tightened on the externally threaded cooperation be arranged on quick connector 5 by internal thread on second step hole, and, second sealing gasket is locked between the step surface in second step hole and quick connector 5 firmly, make to realize good sealing between the two.
As preferred embodiment described quick connector 5, there is the 3rd stepped hole, for entering for the grafting of described gas-filled tube 4; 3rd sealing gasket, be arranged on the step surface of described 3rd stepped hole, for sealing described gas-filled tube 4 and described 3rd stepped hole, have spliced eye, the internal diameter of described spliced eye increases from the one end near described 3rd stepped hole gradually towards the one end away from described 3rd stepped hole; Non-return structure, deviates from described 3rd stepped hole for stoping described gas-filled tube 4.
When specifically using, 3rd sealing gasket is resisted against on the step surface of the 3rd stepped hole, and gas-filled tube 4 is inserted in the spliced eye of the 3rd sealing gasket, because the internal diameter of spliced eye near described 3rd stepped hole one end is little, and it is large away from the internal diameter of the 3rd stepped hole one end, therefore, gas-filled tube 4 coordinates with spliced eye interference seal gradually in grafting process, and, the 3rd sealing gasket is made firmly to be resisted against on the 3rd stepped hole, achieve the excellent sealing of gas-filled tube 4 and the 3rd sealing gasket, and prevent described gas-filled tube 4 from deviating from described 3rd stepped hole by non-return structure, realize the reliable connection of gas-filled tube.
As preferred embodiment, described non-return structure is arranged in described 3rd stepped hole, is the non-return tooth (not shown) in some roads of the axial distribution along described 3rd stepped hole.The structure of this kind of non-return structure is simple and non-return effective.
As the embodiment of distortion, described non-return structure is set on described gas-filled tube 4, is non-return collar.
As preferred embodiment, spliced eye 14 and described first step hole 13 one-body molded, be convenient to manufacture processing.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain that the utility model creates.

Claims (8)

1. piecing devices, is characterized in that, comprise
Joint body (1), has the first plugging position (11) and the second plugging position (12) that are communicated with and arrange;
First step hole (13), is arranged on described first plugging position (11), has internal thread, for entering for air-filled pore (3) grafting of power brick (6) and be threaded with air-filled pore (3);
First sealing gasket (2), has air hole, is arranged on the step surface of described first step hole (13), for realizing the sealing between described first step hole (13) and described air-filled pore (3);
Quick connector (5), has air hole, is sealedly connected on described second plugging position (12), for being tightly connected with the gas-filled tube (4) of airtight detector (7).
2. piecing devices according to claim 1, it is characterized in that, described second plugging position (12) has the spliced eye (14) be communicated with described first step hole (13), described spliced eye arranges internal thread, (5) have external thread to described quick connector, and described quick connector (5) is threaded on described joint body (1) by described internal thread and externally threaded cooperation.
3. piecing devices according to claim 2, it is characterized in that, described spliced eye (14) is second step hole, the step surface in described second step hole is provided with the second sealing gasket, described second sealing gasket has air hole, and described second sealing gasket is used for realizing the sealing between described second step hole and described quick connector (5).
4. the piecing devices according to any one of claim 1-3, is characterized in that, described quick connector (5) has
3rd stepped hole, for entering for described gas-filled tube (4) grafting;
3rd sealing gasket, be arranged on the step surface of described 3rd stepped hole, for sealing described gas-filled tube (4) and described 3rd stepped hole, have spliced eye, the internal diameter of described spliced eye increases from the one end near described 3rd stepped hole gradually towards the one end away from described 3rd stepped hole;
Non-return structure, deviates from described 3rd stepped hole for stoping described gas-filled tube (4).
5. piecing devices according to claim 4, is characterized in that, described non-return structure is arranged in described 3rd stepped hole, are the non-return tooth in some roads of the axial distribution along described 3rd stepped hole.
6. piecing devices according to claim 4, is characterized in that, described non-return structure is set on described gas-filled tube (4), are non-return collar.
7. the piecing devices according to any one of claim 1-3, is characterized in that, the xsect outline of described joint body (1) is positive hexagonal polygon.
8. the piecing devices according to any one of claim 1-3, is characterized in that, spliced eye (14) and described first step hole (13) one-body molded.
CN201520876713.4U 2015-11-05 2015-11-05 Joint device Active CN205102981U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520876713.4U CN205102981U (en) 2015-11-05 2015-11-05 Joint device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520876713.4U CN205102981U (en) 2015-11-05 2015-11-05 Joint device

Publications (1)

Publication Number Publication Date
CN205102981U true CN205102981U (en) 2016-03-23

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Country Link
CN (1) CN205102981U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108426679A (en) * 2018-02-28 2018-08-21 重庆广福科技有限公司 Sealing device for auto parts machinery air-leakage test
CN111981228A (en) * 2019-05-24 2020-11-24 国家能源投资集团有限责任公司 Pipe joint device and fuel cell system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108426679A (en) * 2018-02-28 2018-08-21 重庆广福科技有限公司 Sealing device for auto parts machinery air-leakage test
CN111981228A (en) * 2019-05-24 2020-11-24 国家能源投资集团有限责任公司 Pipe joint device and fuel cell system

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
TR01 Transfer of patent right

Effective date of registration: 20170623

Address after: Kolding road high tech Zone of Suzhou City, Jiangsu Province, No. 78 215163

Patentee after: Future automotive (Suzhou) Limited

Address before: 101300 Beijing city B District of Yuhua Shunyi District Tianzhu Airport Economic Development Zone, Road No. 29

Patentee before: BEIJING CHANGCHENG HUAGUAN AUTOMOBILE TECHNOLOGY CO., LTD.

TR01 Transfer of patent right