CN204387500U - Intake-outlet linkage structure, water tank and water heater - Google Patents
Intake-outlet linkage structure, water tank and water heater Download PDFInfo
- Publication number
- CN204387500U CN204387500U CN201420853718.0U CN201420853718U CN204387500U CN 204387500 U CN204387500 U CN 204387500U CN 201420853718 U CN201420853718 U CN 201420853718U CN 204387500 U CN204387500 U CN 204387500U
- Authority
- CN
- China
- Prior art keywords
- intake
- outlet
- water tank
- water pipe
- linkage structure
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of intake-outlet linkage structure, water tank and water heater, relate to household appliance technical field, in order to optimize existing intake-outlet linkage structure, simplify its installation procedure, reduce costs.Intake-outlet linkage structure is made up of water pipe adapter and water pipe; Water pipe adapter and water pipe are tightly connected, and water pipe adapter has the linkage structure that directly can be tightly connected with the intake-outlet of water tank liner; Intake-outlet is formed by the mode offering opening on water tank liner.Different from the scheme needing in prior art to realize being tightly connected between turnover water pipe assembly and water tank liner by intake-outlet joint, water pipe adapter and water tank liner can directly be tightly connected by the intake-outlet linkage structure that technique scheme provides, when mounted, owing to not re-using intake-outlet joint, can save the operation of intake-outlet weld at water tank liner, simplify structure and the installation procedure of intake-outlet linkage structure, reduce manufacture cost.
Description
Technical field
The utility model relates to household appliance technical field, is specifically related to a kind of intake-outlet linkage structure, water tank and water heater.
Background technique
The water tank intake-outlet connection scheme that water heater adopts in the market is: water pipe adapter and turnover water pipe are welded together, composition turnover water pipe assembly; By intake-outlet joint by spot-welded on water tank liner, then turnover water pipe assembly is threaded connection and is fastened on intake-outlet joint, and add sealing gasket between intake-outlet joint and turnover water pipe assembly.
Inventor finds, prior art at least exists following problems: existing water tank intake-outlet Placement is because of needs spot welding intake-outlet joint, and complex structure, required operation is more, and cost is higher.
Model utility content
One of them object of the present utility model proposes a kind of intake-outlet linkage structure, water tank and water heater, in order to optimize existing intake-outlet linkage structure, simplifies its installation procedure, reduce costs.
For achieving the above object, the utility model provides following technological scheme:
The utility model provides a kind of intake-outlet linkage structure, and it is made up of water pipe adapter and water pipe;
Described water pipe adapter and described water pipe are tightly connected, and described water pipe adapter has the linkage structure that directly can be tightly connected with the intake-outlet of water tank liner;
Described intake-outlet is formed by the mode offering opening on described water tank liner.
Intake-outlet linkage structure as above, preferably, the linkage structure of described water pipe adapter comprises the first ladder section of order setting, second-order bench and fastener assembly, and endoporus wears described first ladder section and described second-order bench;
The endoporus being positioned at described first ladder section welds with described water pipe, and described first ladder section is combined in the inwall of described water tank liner for sealing paste towards the end face of described second-order bench; The outside of described second-order bench is arranged with described fastener assembly, described fastener assembly towards the end face of described first ladder section for fitting tightly the outer wall at described water tank liner.
Intake-outlet linkage structure as above, preferably, described fastener assembly comprises tightening nut, and described tightening nut is threaded with described second-order bench, and described tightening nut towards a side end face of described first ladder section for being adjacent to the outer wall at described water tank liner.
Intake-outlet linkage structure as above, preferably, described fastener assembly also comprises outer rubber gasket, and described tightening nut is folded with described outer rubber gasket towards between a side end face and the outer wall of described water tank liner of described first ladder section.
Intake-outlet linkage structure as above, preferably, the outer surface of described second-order bench is provided with the first anti-rotation structure, on described water tank liner, correspondence is provided with the second anti-rotation structure, and described first anti-rotation structure and described second anti-rotation structure coordinate to limit the rotation of described water pipe adapter relative to described water tank liner.
Intake-outlet linkage structure as above, preferably, described first anti-rotation structure is protruding, and described second anti-rotation structure is groove; Or described first anti-rotation structure is groove, described second anti-rotation structure is protruding.
Intake-outlet linkage structure as above, preferably, described projection is arc-shaped convex or arch-shaped projection.
Intake-outlet linkage structure as above, preferably, described fastener assembly also comprises interior rubber gasket, described first ladder section is folded with described interior rubber gasket towards between the end face and described water tank liner of described second-order bench, described interior rubber gasket is provided with the 3rd anti-rotation structure coordinated with described first anti-rotation structure.
Intake-outlet linkage structure as above, preferably, described water pipe adapter also comprises the 3rd ladder section for being connected with outer water pipe joint screw thread, and described 3rd ladder section is arranged on the side of described second-order bench away from described first ladder section.
Intake-outlet linkage structure as above, preferably, the convex portion that described water pipe adapter comprises clamping body and is fixed on described clamping body, on the intake-outlet of described water tank liner, correspondence is provided with female parts, described clamping body and described convex portion and described intake-outlet and described female parts drive fit.
The utility model also provides a kind of water tank, comprises water tank liner, wherein, the intake-outlet of described water tank liner is provided with the intake-outlet linkage structure that the arbitrary technological scheme of the utility model provides.
The utility model reoffers a kind of water heater, and it comprises the water tank that the arbitrary technological scheme of the utility model provides.
Based on technique scheme, the utility model embodiment at least can produce following technique effect:
Different from the scheme needing in prior art to realize being tightly connected between turnover water pipe assembly and water tank liner by intake-outlet joint, water pipe adapter and water tank liner can directly be tightly connected by the intake-outlet linkage structure that the utility model embodiment technique scheme provides, when mounted, owing to not re-using intake-outlet joint, can save the operation of intake-outlet weld at water tank liner, simplify structure and the installation procedure of intake-outlet linkage structure, reduce manufacture cost.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
The sectional structure schematic diagram of the intake-outlet linkage structure that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the perspective view of water pipe adapter in Fig. 1;
Fig. 3 is the main TV structure schematic diagram of Fig. 2;
Fig. 4 is the structural representation of interior rubber gasket in Fig. 1;
The partial structurtes schematic diagram of the water tank that Fig. 5 installs for the intake-outlet linkage structure that the utility model embodiment provides;
The structural representation of water pipe adapter in the intake-outlet linkage structure that Fig. 6 provides for another embodiment of the utility model.
Reference character:
1, water pipe adapter; 2, tightening nut; 3, outer rubber gasket;
4, interior rubber gasket; 5, water pipe; 6, water tank liner;
7, the first anti-rotation structure; 8, the second anti-rotation structure; 9, the 3rd anti-rotation structure;
11, the first ladder section; 12, second-order bench; 13, the 3rd ladder section;
14, body is clamped; 15, convex portion.
Embodiment
Below in conjunction with the elaboration that Fig. 1 ~ Fig. 6 carries out specifically to the technological scheme that the utility model provides, the arbitrary technological means provided by the utility model carries out technological scheme that two or more technological means any of replacing or being provided by the utility model or technical characteristics carry out mutually combining and obtain all should within protection domain of the present utility model.
The utility model embodiment provides a kind of intake-outlet linkage structure, is made up of water pipe adapter 1 and water pipe 5.Water pipe adapter 1 and water pipe 5 are tightly connected, and water pipe adapter 1 has the linkage structure that directly can be tightly connected with the intake-outlet of water tank liner 6.Intake-outlet is formed by the mode offering opening on water tank liner 6.
Realizing the mode that is tightly connected between water pipe adapter 1 and water pipe 5 such as can the mode etc. of with bolts, sandwiched sealing gasket or water pipe adapter 1 and water pipe 5 all adopt plasticity to adopt, and realizes sealing by squeezed tight between the two.
Mention that water pipe adapter 1 has the sealing configuration that directly can be tightly connected with water tank liner 6 above, so-called being directly tightly connected refers to herein: be directly connected between water pipe adapter 1 with water tank liner 6 and realize sealing function, no longer needs to use the parts such as intake-outlet joint as middle transition element.The implementation that water pipe adapter 1 and water tank liner 6 are directly tightly connected has multiple, and such as water pipe adapter 1 adopts plastic material to make, by squeezed tight between water pipe adapter 1 and water tank liner 6 is realized sealing between the two; Or at both joint sandwiched sealing gasket etc.
Different from the scheme needing in prior art to realize being tightly connected between turnover water pipe assembly and water tank liner by intake-outlet joint, water pipe adapter 1 and water tank liner 6 can directly be tightly connected by the intake-outlet linkage structure that the utility model embodiment technique scheme provides, when mounted, owing to not re-using intake-outlet joint, can save the operation of intake-outlet weld at water tank liner 6, simplify structure and the installation procedure of intake-outlet linkage structure, reduce manufacture cost.
See Fig. 1 and Fig. 3, introduce the optional implementation of linkage structure that water pipe adapter 1 is directly tightly connected with water tank liner 6 below.The linkage structure of water pipe adapter 1 comprises the first ladder section 11, second-order bench 12 and the fastener assembly that sequentially arrange, and endoporus wears the first ladder section 11 and second-order bench 12.The endoporus being positioned at the first ladder section 11 welds with water pipe 5, or adopts other one-body molded modes, and the first ladder section 11 is combined in the inwall of water tank liner 6 for sealing paste towards the end face of second-order bench 12; The outside of second-order bench 12 is arranged with fastener assembly, fastener assembly towards the end face of the first ladder section 11 for fitting tightly the outer wall at water tank liner 6.
Can be with bolts between second-order bench 12 and fastener assembly, now fastener assembly can be the parts that nut etc. can realize being threaded.The linkage structure of above-mentioned implementation, its compact structure, can realize sealing easily.
See Fig. 1 and Fig. 2, in the present embodiment, fastener assembly specifically comprises tightening nut 2, and tightening nut 2 is threaded with second-order bench 12, and tightening nut 2 towards a side end face of the first ladder section 11 for being adjacent to the outer wall at water tank liner 6.Herein, replacing the spot-welded in prior art between intake-outlet joint and water tank liner 6 with being simply threaded, simplifying operation, reducing cost.
Further, see Fig. 3, fastener assembly also comprises outer rubber gasket 3, and tightening nut 2 is folded with outer rubber gasket 3 towards between a side end face and the outer wall of water tank liner 6 of the first ladder section 11, to strengthen the sealing effect between intake-outlet linkage structure and water tank liner 6.
See Fig. 2 and Fig. 5, in rundown process, water pipe adapter 1 is driven to rotate relative to water tank liner 6 for preventing tightening nut 2, the outer surface of second-order bench 12 is provided with the first anti-rotation structure 7, on water tank liner 6, correspondence is provided with the second anti-rotation structure 8, first anti-rotation structure 7 and the second anti-rotation structure 8 coordinates to limit the rotation of water pipe adapter 1 relative to water tank liner 6.
Anti-rotation structure is set, makes connection reliable, simplify assembling, be easy to operation.
Particularly, the first anti-rotation structure 7 is protruding, and the second anti-rotation structure 8 is groove.Or the first anti-rotation structure 7 is groove, the second anti-rotation structure 8 is protruding.In the present embodiment, be protruding with the first anti-rotation structure 7, the second anti-rotation structure 8 for groove be example.First anti-rotation structure 7, second anti-rotation structure 8 rotation inhibiting of above-mentioned implementation is reliable for effect.
Further, projection is arc-shaped convex or arch-shaped projection.
See Fig. 1 and Fig. 4, fastener assembly also comprises interior rubber gasket 4, first ladder section 11 and is folded with interior rubber gasket 4 towards between the end face and water tank liner 6 of second-order bench 12, interior rubber gasket 4 is provided with the 3rd anti-rotation structure 9 coordinated with the first anti-rotation structure 7.Interior rubber gasket 4 can strengthen the sealing effect between intake-outlet linkage structure and water tank liner 6.Interior rubber gasket 4 herein and outer rubber gasket 3 acting in conjunction above, can realize the double seal between intake-outlet linkage structure and water tank liner 6, makes sealing more reliable.Each anti-rotation structure acting in conjunction, can prevent tightening nut 2 water pipe adapter 1 in rundown process from occurring skidding, add the reliability and operability that are threaded between tightening nut 2 with water pipe adapter 1.
See Fig. 1 and Fig. 3, herein, the 3rd ladder section the 13, three ladder section 13 that water pipe adapter 1 also comprises for being connected with outer water pipe joint screw thread is arranged on the side of second-order bench 12 away from the first ladder section 11.
The installation of above-mentioned intake-outlet linkage structure is introduced in detail below in conjunction with Fig. 1-Fig. 5.
See Fig. 1, this intake-outlet linkage structure is made up of water pipe adapter 1 and water pipe 5, for being arranged on water tank liner 6.Water pipe adapter 1 is made up of three ladder sections, interior rubber gasket 4, tightening nut 2, outer rubber gasket 3 etc.First ladder section 11 of water pipe adapter 1 and water pipe 5 by weld, bonding or be threaded togather, composition conduit assembly, by this conduit assembly from the intake-outlet of water tank liner 6 inner insertion water tank liner 6 correspondence.Rubber gasket 4 in one is added between conduit assembly and water tank liner 6 inwall; Outside at water tank liner 6, undertaken fastening by being threaded between tightening nut 2 with water pipe adapter 1, being sealed further by the outer rubber gasket 3 between tightening nut 2 and water tank liner 6 where necessary, ensureing the sealing that intake-outlet connects and tightness by tightening tightening nut 2.
As shown in Figure 2, in water pipe adapter 1, be provided with half cylinder type anti-rotation structure, i.e. the first anti-rotation structure 7.Water tank liner 6 and interior rubber gasket 4 also arrange corresponding anti-rotation structure, i.e. the second anti-rotation structure 8, the 3rd anti-rotation structure 9, respectively as shown in Fig. 5 and Fig. 4.This anti-rotation structure can prevent water pipe adapter 1 in the process of tightening tightening nut 2 to occur skidding, and increases tightening nut 2 and the reliability be threaded between water pipe adapter 1 and operability.This anti-rotation structure also can be arranged to arch bridge type, or other can meet the shape of rotation inhibiting requirement.
See Fig. 3, water pipe adapter 1 is specially two rank stepped thread, namely in second-order bench 12 and the 3rd ladder section 13, is provided with screw thread.The interior rank screw thread of second-order bench 12 coordinates with tightening nut 2, and the outer rank screw thread of the 3rd ladder section 13 is connected with outer water pipe joint.
The structural representation of water pipe adapter in the intake-outlet linkage structure that Fig. 6 provides for another embodiment of the utility model.See Fig. 6, the present embodiment is from the difference of the technological scheme of above-described embodiment: the implementation of water pipe adapter 1 is different.
In the present embodiment, the convex portion 15 that water pipe adapter 1 specifically comprises clamping body 14 and is fixed on clamping body 14, on the intake-outlet of water tank liner 6, correspondence is provided with female parts, clamping body 14 and convex portion 15 and intake-outlet and female parts drive fit, realize directly being tightly connected with the intake-outlet of water tank liner 6 with this.
Specifically, the inwall drive fit of clamping body 14 and intake-outlet, convex portion 15 and female parts drive fit.
The utility model embodiment also provides a kind of water tank, and it comprises the intake-outlet linkage structure that the arbitrary technological scheme of the utility model provides.
Water tank has water tank liner 6, and water tank liner 6 offers intake-outlet, and intake-outlet linkage structure is arranged on the intake-outlet of water tank liner 6.
The utility model embodiment reoffers a kind of water heater, and it comprises the water tank that the arbitrary technological scheme of the utility model provides.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only for ease of describing the utility model and simplified characterization, instead of instruction or infer the device of indication or element must have specific orientation, for specific azimuth configuration and operation, thus the restriction to the utility model protection content can not be interpreted as.
If employ the word such as " first ", " second " herein to limit component, those skilled in the art should know: the use of " first ", " second " is only used to be convenient to describe the utility model and simplified characterization, as do not stated in addition, the implication that above-mentioned word is not special.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to embodiment of the present utility model or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technological scheme scope of the utility model request protection.
Claims (12)
1. an intake-outlet linkage structure, is characterized in that, is made up of water pipe adapter (1) and water pipe (5);
Described water pipe adapter (1) and described water pipe (5) are tightly connected, and described water pipe adapter (1) has the linkage structure that directly can be tightly connected with the intake-outlet of water tank liner (6);
Described intake-outlet is formed by the mode offering opening on described water tank liner (6).
2. intake-outlet linkage structure according to claim 1, it is characterized in that, the linkage structure of described water pipe adapter (1) comprises the first ladder section (11), second-order bench (12) and the fastener assembly that sequentially arrange, and endoporus wears described first ladder section (11) and described second-order bench (12);
The endoporus being positioned at described first ladder section (11) welds with described water pipe (5), and described first ladder section (11) is combined in the inwall of described water tank liner (6) for sealing paste towards the end face of described second-order bench (12); The outside of described second-order bench (12) is arranged with described fastener assembly, described fastener assembly towards the end face of described first ladder section (11) for fitting tightly the outer wall in described water tank liner (6).
3. intake-outlet linkage structure according to claim 2, it is characterized in that, described fastener assembly comprises tightening nut (2), described tightening nut (2) is threaded with described second-order bench (12), and described tightening nut (2) towards a side end face of described first ladder section (11) for being adjacent to the outer wall in described water tank liner (6).
4. intake-outlet linkage structure according to claim 3, it is characterized in that, described fastener assembly also comprises outer rubber gasket (3), and described tightening nut (2) is folded with described outer rubber gasket (3) towards between a side end face and the outer wall of described water tank liner (6) of described first ladder section (11).
5. intake-outlet linkage structure according to claim 3, it is characterized in that, the outer surface of described second-order bench (12) is provided with the first anti-rotation structure (7), the upper correspondence of described water tank liner (6) is provided with the second anti-rotation structure (8), and described first anti-rotation structure (7) and described second anti-rotation structure (8) coordinate to limit the rotation of described water pipe adapter (1) relative to described water tank liner (6).
6. intake-outlet linkage structure according to claim 5, is characterized in that, described first anti-rotation structure (7) is protruding, and described second anti-rotation structure (8) is groove; Or described first anti-rotation structure (7) is groove, described second anti-rotation structure (8) is protruding.
7. intake-outlet linkage structure according to claim 6, is characterized in that, described projection is arc-shaped convex or arch-shaped projection.
8. intake-outlet linkage structure according to claim 5, it is characterized in that, described fastener assembly also comprises interior rubber gasket (4), described first ladder section (11) is folded with described interior rubber gasket (4) towards between the end face and described water tank liner (6) of described second-order bench (12), described interior rubber gasket (4) is provided with the 3rd anti-rotation structure (9) coordinated with described first anti-rotation structure (7).
9. according to the arbitrary described intake-outlet linkage structure of claim 2-8, it is characterized in that, described water pipe adapter (1) also comprises the 3rd ladder section (13) for being connected with outer water pipe joint screw thread, and described 3rd ladder section (13) is arranged on the side of described second-order bench (12) away from described first ladder section (11).
10. intake-outlet linkage structure according to claim 1, it is characterized in that, the convex portion (15) that described water pipe adapter (1) comprises clamping body (14) and is fixed on described clamping body (14), on the intake-outlet of described water tank liner (6), correspondence is provided with female parts, described clamping body (14) and described convex portion (15) and described intake-outlet and described female parts drive fit.
11. 1 kinds of water tanks, comprise water tank liner (6), it is characterized in that, the intake-outlet of described water tank liner (6) are provided with the arbitrary described intake-outlet linkage structure of claim 1-10.
12. 1 kinds of water heaters, is characterized in that, comprise water tank according to claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420853718.0U CN204387500U (en) | 2014-12-29 | 2014-12-29 | Intake-outlet linkage structure, water tank and water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420853718.0U CN204387500U (en) | 2014-12-29 | 2014-12-29 | Intake-outlet linkage structure, water tank and water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204387500U true CN204387500U (en) | 2015-06-10 |
Family
ID=53360220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420853718.0U Active CN204387500U (en) | 2014-12-29 | 2014-12-29 | Intake-outlet linkage structure, water tank and water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204387500U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534183A (en) * | 2014-12-29 | 2015-04-22 | 珠海格力电器股份有限公司 | Water inlet and outlet opening connecting structure, water tank and water heater |
| CN105546244A (en) * | 2015-11-06 | 2016-05-04 | 江门市宏乔新材料科技有限公司江海区分公司 | Pipe connector sealing structure of pressure-bearing water tank |
| CN108343799A (en) * | 2017-12-28 | 2018-07-31 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | A kind of plumbing installation |
-
2014
- 2014-12-29 CN CN201420853718.0U patent/CN204387500U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534183A (en) * | 2014-12-29 | 2015-04-22 | 珠海格力电器股份有限公司 | Water inlet and outlet opening connecting structure, water tank and water heater |
| CN104534183B (en) * | 2014-12-29 | 2017-02-22 | 珠海格力电器股份有限公司 | Water inlet and outlet opening connecting structure, water tank and water heater |
| CN105546244A (en) * | 2015-11-06 | 2016-05-04 | 江门市宏乔新材料科技有限公司江海区分公司 | Pipe connector sealing structure of pressure-bearing water tank |
| CN108343799A (en) * | 2017-12-28 | 2018-07-31 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | A kind of plumbing installation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204387500U (en) | Intake-outlet linkage structure, water tank and water heater | |
| CN210088205U (en) | Intelligence beer machine sealing structure | |
| CN104534183A (en) | Water inlet and outlet opening connecting structure, water tank and water heater | |
| CN207034453U (en) | A kind of Water supplying tube joint | |
| CN109253329A (en) | A kind of steel pipe flange connector | |
| CN201050654Y (en) | Thin wall metal connection piping capable of telescopic sealing | |
| CN206738769U (en) | A kind of dual high pressure sealing connector of clamping hoop type | |
| CN105570588B (en) | A kind of variable four-way hydraulic pipe joint of threeway of fast and easy connection | |
| CN209948171U (en) | Antenna waterproof interface with easy construction and high protection level | |
| CN210034697U (en) | Double-wall corrugated pipe with connector with simple and convenient operation and excellent sealing effect | |
| CN203477664U (en) | Internal thread press-fitting type pipe connector | |
| CN204042244U (en) | Leak self repair pipeline adaptor | |
| CN204420428U (en) | A kind of pipe joint and use the pipeline assembly of this pipe joint | |
| CN206398155U (en) | One kind welding tap | |
| CN206377351U (en) | A kind of detachable multi-cavity connector sealing structure | |
| CN205781594U (en) | A kind of mechanical sleeves joint design | |
| CN204459549U (en) | The pipe connection system of sealing configuration and radiator | |
| CN204419730U (en) | A kind of power steering oil kettle | |
| CN202629248U (en) | Bonding type ball valve | |
| CN204488428U (en) | Truck air conditioning device prevents water-leaking structure | |
| CN207648307U (en) | A kind of dismountable flange | |
| CN214093479U (en) | Automobile air conditioner pipeline joint connection structure | |
| CN212960333U (en) | Connect tight hoop and connect with seal structure | |
| CN201081065Y (en) | Multipath tube decreasing device | |
| CN204164547U (en) | A kind of clamp-press type pipe joint applying single lip sealing ring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |