CN110397803A - A kind of Anti-dismantling union nut component, pipe-line system and household electrical appliance - Google Patents
A kind of Anti-dismantling union nut component, pipe-line system and household electrical appliance Download PDFInfo
- Publication number
- CN110397803A CN110397803A CN201910590971.9A CN201910590971A CN110397803A CN 110397803 A CN110397803 A CN 110397803A CN 201910590971 A CN201910590971 A CN 201910590971A CN 110397803 A CN110397803 A CN 110397803A
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- union nut
- nut
- auxiliary
- dismantling
- ratchet
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- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 239000013013 elastic material Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 206010054949 Metaplasia Diseases 0.000 description 1
- 229920010540 PA6 GF30 Polymers 0.000 description 1
- 229920006920 PA6-GF30 Polymers 0.000 description 1
- 229920006951 PP-GF20 Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/005—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts comprising locking means for the threaded member
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The present invention relates to fields of home appliance technology, and in particular to a kind of Anti-dismantling union nut component, pipe-line system and household electrical appliance.Anti-dismantling union nut component provided in an embodiment of the present invention includes union nut, auxiliary nut and position-limit mechanism, and auxiliary nut, which is equipped with, can generate elastically-deformable ratchet, and the union nut is equipped with the sliding slot cooperated with the ratchet；Auxiliary nut is fixed on union nut by position-limit mechanism, and position-limit mechanism can limit the axial movement of auxiliary nut, but does not limit the auxiliary nut rotation；In the application compared with existing spring, circlip and auxiliary nut realize the mode of Anti-dismantling, part is less, can save manufacturing cost and assembly human cost, while assembly process is few, easy to assembly, can be improved assembly efficiency.
Description
Technical field
The present invention relates to fields of home appliance technology, and in particular to a kind of Anti-dismantling union nut component, pipe-line system and
Household electrical appliance.
Background technique
Currently, the connection of domestic air conditioning connection pipe for internal-external unit is steamed in junction chamber using union nut and pipe fitting cooperation
It sends out device and outdoor connecting tube, but since union nut is exposed outside and disassembly is convenient, exists by user's realizing self disassembling or mistake
The possibility torn open, therefore will lead to the leakage of refrigerant, serious safety problem can be caused if flammable leakage of refrigerant；Such as figure
Union nut 1 is cooperated to realize anti-disassembling function using auxiliary nut 2, spring 3 and circlip 4 at present shown in 1；Due to union nut
1 outer surface is smooth cylindrical surface, therefore is merely able to drive union nut 1 to rotate by auxiliary nut 2,1 turn of union nut
The dynamic threaded connection realized with connecting tube；One side end face of auxiliary nut 2 is equipped with ratchet, and one end of ratchet is connected to auxiliary spiral shell
The other end of one end of mother 2, ratchet is stretched out to the side far from 2 end face of auxiliary nut, and the end face of union nut 1 is equipped with and spine
The sliding slot of tooth cooperation, sliding slot are tilted inwardly by 1 end face of union nut, and spring 3 is pressed on auxiliary nut 2 by circlip 4, circlip 4
Be it is fixed, spring 3, which is arranged between auxiliary nut 2 and circlip 4, provides an elastic force for auxiliary nut 2, by auxiliary nut 2 to
1 one side compression of union nut；When union nut 1 is connect with connecting tube, auxiliary nut 2 is rotated, ratchet and sliding slot cooperation can
Transmitting torque drives union nut 1 to rotate, and realizes the connection of union nut 1 and connecting tube；If rotating backward auxiliary nut 2,
Since ratchet and sliding slot are merely able to unidirectional delivery torque, auxiliary nut 2 not will drive the rotation of union nut 1, auxiliary nut 2
Anti-disassembling function is realized in idle running.
But spring 3 and circlip 4 must be used being now equipped in technology, spring 3 is compressed in circlip 4 and auxiliary nut 2
Between, contact auxiliary nut 2 with 1 micro-elasticity of union nut, ratchet and sliding slot cooperate when rotating forward in this way, auxiliary nut
2 driving structure pipe nuts rotation, when rotating backward, since ratchet and sliding slot can not cooperate transmitting torque, in leading for sliding slot inclined-plane
To under effect, auxiliary nut 2 overcomes 3 elastic force of spring mobile to the side far from union nut 1, and auxiliary nut 2 dallies；If no
Spring 3 is arranged directly will be on union nut 1, since union nut 1 and auxiliary nut 2 are all metalworks, due to assisting spiral shell
Mother 2 with union nut 1 is that be rigidly connected be not Elastic Contact, therefore when rotating backward auxiliary nut 2, still will drive adapter tube spiral shell
Mother 1 rotates, and can not play the function of Anti-dismantling.
Summary of the invention
(1) the technical problems to be solved by the present invention are: existing connecting tube anti-dismounting structure, using auxiliary nut, bullet
Spring and the several metalworks of circlip, number of parts is more, and installation effectiveness is low, manufacturing cost is high.
(2) technical solution
In order to solve the above-mentioned technical problem, one aspect of the present invention embodiment provides a kind of Anti-dismantling union nut component,
The Anti-dismantling union nut component includes union nut, auxiliary nut and position-limit mechanism；
The auxiliary nut is equipped with multiple ratchets made of elastic material, and one end of the ratchet is connected to described auxiliary
It helps on the end face of nut side, the other end extends to the side far from the auxiliary nut；
The union nut is equipped with the sliding slot cooperated with the ratchet, and the ratchet is positioned in the chute, described auxiliary
Nut is helped to drive the union nut to one-directionally rotate by the ratchet and sliding slot cooperation；The position-limit mechanism is described for limiting
Auxiliary nut is relative to the union nut along the axial movement of the union nut.
According to one embodiment of present invention, the position-limit mechanism includes the limiting slot on the union nut and sets
In the auxiliary nut upper limit part, the locating part can with the auxiliary nut in the limiting slot along the adapter tube spiral shell
Female circumferential direction is mobile.
According to one embodiment of present invention, the union nut is cylindrical, and the limiting slot is in the adapter tube spiral shell
The annular groove being circumferentially arranged on female outer wall along the union nut.
According to one embodiment of present invention, the locating part is the convex block on the auxiliary nut, the convex block
It is made of elastic material.
According to one embodiment of present invention, the convex block is equipped with mounting surface towards the side of the union nut, described
Convex block can be pressed into the limiting slot by the mounting surface.
According to one embodiment of present invention, the convex block is set on the inner wall of the auxiliary nut.
According to one embodiment of present invention, the convex block is equipped with multiple, and multiple convex blocks are in the auxiliary nut
It is uniformly distributed in the circumferential direction of wall.
According to one embodiment of present invention, the one end of the ratchet far from the auxiliary nut is pushing tow plane, described
The cooperation plane with the pushing tow plane adaptation is equipped in sliding slot；The axis of the union nut is parallel to the cooperation plane.
According to one embodiment of present invention, the ratchet is equipped with guiding surface, institute far from the side of the auxiliary nut
It states and is equipped with cooperation compatible with guiding surface inclined-plane in sliding slot.
According to one embodiment of present invention, the auxiliary nut and ratchet are an integral molding structure.
According to one embodiment of present invention, the auxiliary nut and the ratchet are made of plastic material.
Another aspect of the present invention embodiment provides a kind of pipe-line system, including at least two connecting tubes, two neighboring
It is connected between the connecting tube by Anti-dismantling union nut component described in any of the above-described embodiment.
Another aspect of the invention embodiment provides a kind of household electrical appliance, pipe-line system described in above-described embodiment.
Beneficial effects of the present invention: Anti-dismantling union nut component provided in an embodiment of the present invention includes union nut, auxiliary
Nut and position-limit mechanism are helped, auxiliary nut, which is equipped with, can generate elastically-deformable ratchet, and the union nut is equipped with and institute
State the sliding slot of ratchet cooperation；Auxiliary nut is fixed on union nut by position-limit mechanism, and position-limit mechanism can limit auxiliary spiral shell
Female axial movement, but the auxiliary nut rotation is not limited, auxiliary nut is rotated along the direction that ratchet is engaged with sliding slot
When, union nut rotation is driven, union nut is delivered torque to, the threaded connection with connecting tube is realized in union nut rotation；
When union nut rotates backward, due to ratchet and sliding slot one way engagement, ratchet and sliding slot contact are deformed at this time, ratchet by
It is gradually detached from sliding slot, auxiliary nut idle running does not drive union nut to rotate, realizes the anti-disassembling function of union nut；In the application with
Existing spring, circlip and auxiliary nut realize that the mode of Anti-dismantling is compared, and part is less, can save manufacturing cost and assembly
Human cost, while assembly process is few, it is easy to assembly, it can be improved assembly efficiency.
Detailed description of the invention
The advantages of above-mentioned and/or additional aspect of the invention, will be apparent from the description of the embodiment in conjunction with the following figures
Be readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of Anti-dismantling union nut component in the prior art；
Fig. 2 is the decomposition texture schematic diagram of Anti-dismantling union nut component in the application one embodiment；
Fig. 3 is the perspective view of auxiliary nut described in the application one embodiment；
Fig. 4 is the portion the A enlarged drawing of Fig. 3；
Fig. 5 is the perspective view of union nut described in the application one embodiment；
Fig. 6 is the cross-sectional view of union nut described in the application one embodiment；
Fig. 7 is the cross-sectional view of Anti-dismantling union nut component described in the application one embodiment；
Fig. 8 is the schematic diagram of ratchet and sliding slot cooperation.
Wherein corresponding relationship of the Fig. 1 into Fig. 8 between appended drawing reference and component names are as follows:
1, union nut, 11, sliding slot, 111, cooperation plane, 112, cooperation inclined-plane, 12, limiting slot, 2, auxiliary nut, 21,
Ratchet, 211, pushing tow plane, 212, guiding surface, 22, convex block, 221, mounting surface, 3, spring, 4, circlip.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
As shown in Fig. 2 to Fig. 8, one embodiment of the invention provides a kind of Anti-dismantling union nut component, the tamper
Unloading union nut includes union nut 1, auxiliary nut 2 and position-limit mechanism；
The auxiliary nut 2 is equipped with multiple ratchets 21 made of elastic material, and one end of the ratchet 21 is connected to
On the end face of 2 side of auxiliary nut, the other end extends to the side far from the auxiliary nut 2；
The union nut 1 is equipped with the sliding slot 11 cooperated with the ratchet 21, and the ratchet 21 is located at the sliding slot 11
Interior, the auxiliary nut 2 drives the union nut 1 to one-directionally rotate by the ratchet 21 and the cooperation of sliding slot 11；The limit
Mechanism is for limiting axial movement of the auxiliary nut 2 relative to the union nut 1 along the union nut 1.Preferably,
The sliding slot 11 is corresponded with the ratchet 21 to be cooperated.
Anti-dismantling union nut provided in an embodiment of the present invention includes union nut 1, auxiliary nut 2 and position-limit mechanism,
Described in union nut 1 be cylinder-like structure, outside wall surface is cylindrical surface structure, directly can not turn union nut by spanner
1 is threadedly coupled with connecting tube, it is therefore desirable to use attaching nut, turn attaching nut by spanner, attaching nut gives adapter tube spiral shell
Mother 1 transmits torque and union nut 1 is driven to rotate, and realizes the threaded connection with connecting tube.Union nut 1 and auxiliary spiral shell in the application
The opposite other end of 2 cooperation of mother is equipped with internal screw thread and passes through pipe fitting and connecting tube if internal thread one end is connected with pipe fitting
It is connected, union nut 1 is equipped with one end of auxiliary nut and connecting tube is socketed.
In the present embodiment, ratchet 21 is therefore can to generate elastic deformation made of elastic material, does not need spring 3
It can be realized as the Elastic Contact of auxiliary nut 2 Yu union nut 1 with circlip 4；One end of ratchet 21 is connected to union nut 1
On, the other end extends outward while being circumferentially obliquely installed, and the sliding slot 11 is in union nut 1 close to the auxiliary nut
Side is obliquely installed axially inward for 2 one end, to realize the one way engagement of ratchet 21 Yu sliding slot 11.
Auxiliary nut 2 is fixed on union nut 1 by position-limit mechanism, and position-limit mechanism can limit the axis of auxiliary nut 2
To movement, but the auxiliary nut 2 is not limited and is rotated；Auxiliary nut 2 is rotated along the direction that ratchet 21 is engaged with sliding slot 11
When, it drives union nut 1 to rotate, delivers torque to union nut 1, union nut 1 rotates, and union nut 1 is far from auxiliary spiral shell
One end of mother 2 is connect with pipe joint screw thread, and union nut 1 is connect by pipe fitting with connecting tube；When union nut 1 rotates backward
When, due to ratchet 21 and 11 one way engagement of sliding slot, ratchet 21 and 11 contact of sliding slot are deformed, with the rotation of auxiliary nut 2
Ratchet 21 progressively disengages sliding slot 11, and the idle running of auxiliary nut 2 at this time does not drive union nut 1 to rotate, and realizes the tamper of union nut 1
Unloading functions；In the application compared with existing spring 3, circlip 4 and auxiliary nut 2 realize the mode of Anti-dismantling, due to ratchet 21
It is made of elastic material, itself stress can deform, and not needing spring 3 can be realized as auxiliary nut 2 and union nut 1
Elastic Contact, therefore do not need using spring 3 and circlip 4, the part of entire Anti-dismantling union nut is less, can save system
This is caused, while assembly process is few, it is easy to assembly, it can be improved assembly efficiency, save the human cost of assembly.
According to one embodiment of present invention, as shown in Figure 2 and Figure 5, the union nut 1 is in ladder tubular structure, institute
The first pipeline section and the second pipeline section that union nut 1 includes coaxial arrangement are stated, the outer diameter of first pipeline section is less than second pipe
The internal diameter of the outer diameter of section, first pipeline section and the second pipeline section can be the same or different；The sliding slot 11 is set to described the
Two pipeline sections are connected on the end face of one end with first pipeline section.Assembly when, 2 sets of auxiliary nut on first pipeline section, it is auxiliary
Ratchet 21 of the nut 2 close to 1 one end of union nut is helped to be located in the sliding slot 11 on the second pipeline section end face.
According to one embodiment of present invention, as shown in Figure 2 and Figure 7, the position-limit mechanism includes being set to the adapter tube spiral shell
Limiting slot 12 on mother 1 and it is set to the 2 upper limit part of auxiliary nut, the locating part is made of elastic material；The limit
Part can be moved with circumferential direction of the auxiliary nut 2 in the limiting slot 12 along the union nut 1, wherein the limiting slot
12 are set in the outside wall surface of the first pipeline section；Since locating part is made of elastic material, in assembly by auxiliary nut 2
Set on the first segment, then presses auxiliary nut 2, and locating part stress can generate elastic deformation, therefore by pressure
It can be directly entered in limiting slot 12, directly auxiliary nut 2 is pressed and is cooperated with union nut 1, assembly is simpler, convenient,
Efficiently.
According to one embodiment of present invention, as shown in Figure 2 and Figure 5, the union nut 1 is cylindrical, i.e., and described
One pipeline section and the second pipeline section are cylindrical structure, and the limiting slot 12 is on 1 outer wall of union nut along the adapter tube spiral shell
The annular groove that mother 1 is circumferentially arranged.It can be realized the relative rotation between auxiliary nut 2 and union nut 1, while can also ensure that auxiliary
Nut 2 is helped not move relative to the axial direction of union nut 1.
According to one embodiment of present invention, as shown in Figures 2 to 4, the locating part is on the auxiliary nut 2
Convex block 22, the convex block 22 be made of elastic material, therefore in assembly by 2 sets of auxiliary nut on the first segment,
Then auxiliary nut 2 is pressed, convex block 22 can enter directly into limiting slot 12, and when assembly can directly press auxiliary nut 2,
Cooperate auxiliary nut 2 and union nut 1, assembles simpler, convenient, efficient.
According to one embodiment of present invention, as shown in figure 3, the side of the convex block 22 towards the union nut 1 is set
There is mounting surface 221, the convex block 22 can be pressed into the limiting slot 12 by the mounting surface 221, and the mounting surface 221 is
Inclined-plane or arc surface, when pressing auxiliary nut 2, inclined-plane or arc surface and the first pipeline section outside wall surface cooperate in this way, mounting surface
221 and first the outside wall surface of pipeline section form the movement relation of opposite sliding, rather than the relationship of mutual extrusion, it is easier to by convex block
In 22 indentation limiting slots 12.
As shown in figure 3, the convex block 22 is set on the inner wall of the auxiliary nut 2, by 2 sets of auxiliary nut in union nut
When on 1, convex block 22 can directly cooperate with limiting slot 12, realize the limit axial for auxiliary nut 2；Preferably, such as Fig. 3 institute
It is multiple to show that the convex block 22 is equipped with, multiple convex blocks 22 are uniformly distributed in the circumferential direction of 2 inner wall of auxiliary nut.
As shown in figure 8, the one end of the ratchet 21 far from the auxiliary nut 2 is pushing tow plane 211, in the sliding slot 11
Equipped with the cooperation plane 111 being adapted to the pushing tow plane 211；The axis of the union nut 1 is parallel to the cooperation plane
111, pushing tow plane 211 and cooperation plane 111 are parallel to each other, and are arranged along the axial direction of union nut 1, take in this way in rotation
When nut 1, pushing tow plane 211 passes to cooperation plane 111 and is used to drive the torque of the rotation of union nut 1 bigger, can reduce
The loss of driving torque reduces assembly difficulty, improves assembly efficiency.
As shown in figure 3, the ratchet 21 is equipped with guiding surface 212, the sliding slot 11 far from the side of the auxiliary nut 2
It is interior to be equipped with compatible with the guiding surface 212 cooperation inclined-plane 112, matched by guiding surface 212 with inclined-plane 112 is cooperated
It closes, a guiding role can be played to the turned position of ratchet 21；Drive union nut 1 rotate when, guiding surface 212 with
Cooperate inclined-plane 112 to cooperate, contact pushing tow plane 211 with cooperation plane 111, and then the transmitting of the torque of auxiliary nut 2 is connect
Pipe nut 1；When rotating backward, the ratchet 21 of compressive deformation cannot be blocked along perpendicular to torque drive direction outputting torsion
The transmitting of torque between ratchet 21 and sliding slot 11, so that ratchet 21 cannot drive union nut 1 to rotate by sliding slot 11, realization is connect
The anti-disassembling function of pipe nut 1.
According to one embodiment of the application, the auxiliary nut 2, locating part and ratchet 21 are an integral molding structure, this
Sample integrally meets auxiliary nut 2 by plastic mould production and Shooting Technique requirement, realizes the automatic metaplasia of 2 moulding of auxiliary nut
It produces, while subtracting 4 part of spring 3 and circlip, simplify number of parts and type.
In the present embodiment, ratchet 21 and locating part and auxiliary nut 2 are also possible to split type structure, such as ratchet 21 and auxiliary
Nut 2 is integral structure, and locating part is mounted on auxiliary nut 2 by the modes such as being bonded, be clamped or locating part and auxiliary spiral shell
Mother 2 is integral structure, and ratchet 21 is mounted on auxiliary nut 2 by the modes such as being clamped, be bonded or auxiliary nut 2, ratchet
21, locating part be independent structure, then ratchet 21 and locating part individually by be clamped, be bonded etc. modes be mounted on it is auxiliary
It helps on nut 2, can be realized the purpose of the application.
According to one embodiment of present invention, the auxiliary nut 2, locating part and the ratchet 21 are made of plastic material
, using plastic materials such as PA6-GF30 or PP-GF20, which can for preferred auxiliary nut 2, locating part and ratchet 21
Meet low (>=-40 DEG C) the warm use environments of pipeline high (≤130 DEG C), in conjunction with Anti-dismantling union nut provided by the embodiments of the present application
The elastic slice of the structure of component, auxiliary nut 2 can be not broken under the torque no more than 80Nm when rotating in the forward direction.
The assembly and working principle for the Anti-dismantling union nut that the present invention will now be explained with reference to the accompanying drawings provides.
By 2 sets of auxiliary nut on 1 mother of union nut, 2 sets of specific auxiliary nut on the first segment, is then pressed auxiliary
Nut 2 is helped, the convex block 22 on 2 inner wall of auxiliary nut is pressed into limiting slot 12, ratchet 21 is located in corresponding sliding slot 11, convex block
22 can limit axial movement of the auxiliary nut 2 relative to union nut 1 along union nut 1 with the cooperation of limiting slot 12, still
Auxiliary nut 2 can rotate in the circumferential relative to union nut 1；
When auxiliary nut 2 is rotated along the direction that ratchet 21 is engaged with sliding slot 11, union nut 1 is driven to rotate, by torque
Pass to union nut 1, union nut 1 rotates, the one end of union nut 1 far from auxiliary nut 2 with pass through pipe fitting with connect
Pipe is connected；When union nut 1 rotates backward, due to ratchet 21 and 11 one way engagement of sliding slot, ratchet 21 contacted with sliding slot 11 by
Power deformation, as the rotation ratchet 21 of auxiliary nut 2 progressively disengages sliding slot 11, the idle running of auxiliary nut 2 at this time does not drive adapter tube spiral shell
Mother 1 rotates, and realizes the anti-disassembling function of union nut 1；It is realized in the application with existing spring 3, circlip 4 and auxiliary nut 2
The mode of Anti-dismantling is compared, and since ratchet 21 is made of elastic material, itself stress can be deformed, and not need spring 3 just
It can be realized the Elastic Contact of auxiliary nut 2 Yu union nut 1, therefore do not need using spring 3 and circlip 4, entire Anti-dismantling
The part of union nut is less, can save manufacturing cost, while assembly process is few, easy to assembly, can be improved assembly efficiency,
Save the human cost of assembly.
It includes at least two connecting tubes that the application one embodiment, which additionally provides a kind of pipe-line system, two neighboring described
It is connected between connecting tube by Anti-dismantling union nut component described in any of the above-described embodiment, wherein the union nut 1 connects
There is one end of auxiliary nut 2 in the shape of a trumpet, and cover in the connecting tube, realizes the connection with connecting tube 1；Union nut 1
The other end be equipped with internal screw thread, through internal screw thread with the external screw thread of pipe fitting ining conjunction with, then pass through pipe fitting be connected with connecting tube.
Pipe-line system provided by the present application, it is easy to assembly, assembly efficiency is high.
A kind of household electrical appliance are present embodiments provided, including pipe-line system described in above-described embodiment；Preferably, this implementation
Household electrical appliance described in example are that refrigeration equipments, the household electrical appliance provided by the present application such as domestic air conditioning or refrigerator can be avoided because of user
Realizing self disassembling union nut 1 leads to the risk for secondary refrigerant leakage occur, and the safety in utilization of household electrical appliance is higher.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term " on ", "lower" is base
In orientation or positional relationship shown in the drawings, it is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of invention.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relatively heavy
The property wanted.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " connects
It is logical ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be direct connection, can also be can be by intermediary indirect communication
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two
More than.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (15)
1. a kind of Anti-dismantling union nut component, is characterized in that: the Anti-dismantling union nut component includes union nut, auxiliary
Nut and position-limit mechanism；
The auxiliary nut is equipped with multiple ratchets made of elastic material, and one end of the ratchet is connected to the auxiliary spiral shell
On the end face of female side, the other end extends to the side far from the auxiliary nut；
The union nut is equipped with the sliding slot cooperated with the ratchet, and the ratchet is positioned in the chute, the auxiliary spiral shell
Mother drives the union nut to one-directionally rotate by the ratchet and sliding slot cooperation；
The position-limit mechanism is used to limit axial direction of the auxiliary nut relative to the union nut along the union nut and moves
It is dynamic.
2. Anti-dismantling union nut component according to claim 1, it is characterised in that: the position-limit mechanism includes being set to institute
It states the limiting slot on union nut and is set to the auxiliary nut upper limit part；The locating part can exist with the auxiliary nut
Circumferential direction in the limiting slot along the union nut moves.
3. Anti-dismantling union nut component according to claim 2, it is characterised in that: the union nut is cylindrical,
The limiting slot is the annular groove being circumferentially arranged on the union nut outer wall along the union nut.
4. Anti-dismantling union nut component according to claim 2, it is characterised in that: the locating part is set on described auxiliary
Help the convex block on nut.
5. Anti-dismantling union nut component according to claim 4, it is characterised in that: the convex block is towards the adapter tube spiral shell
Female side is equipped with mounting surface, and the convex block can be pressed into the limiting slot by the mounting surface.
6. Anti-dismantling union nut component according to claim 4, it is characterised in that: the convex block is set to the auxiliary spiral shell
On female inner wall.
7. Anti-dismantling union nut component according to claim 6, it is characterised in that: the convex block be equipped with it is multiple, it is multiple
The convex block is uniformly distributed in the circumferential direction of the auxiliary nut inner wall.
8. Anti-dismantling union nut component according to claim 1, it is characterised in that: the ratchet is far from the auxiliary spiral shell
Female one end is pushing tow plane, and the cooperation plane with the pushing tow plane adaptation is equipped in the sliding slot.
9. Anti-dismantling union nut component according to claim 8, it is characterised in that: the axis of the union nut is parallel
In the cooperation plane.
10. Anti-dismantling union nut component according to claim 1, it is characterised in that: the ratchet is far from the auxiliary
The side of nut is equipped with guiding surface, is equipped with cooperation compatible with guiding surface inclined-plane in the sliding slot.
11. Anti-dismantling union nut component according to claim 1, it is characterised in that: the union nut includes coaxial
The first pipeline section and the second pipeline section being arranged, the outer diameter of first pipeline section are less than the outer diameter of second pipeline section, and the sliding slot is set
In on the end face that second pipeline section is connected one end with first pipeline section.
12. the Anti-dismantling union nut component according to any of claims 1 to 10, it is characterised in that: the auxiliary spiral shell
Female, locating part and ratchet are an integral molding structure.
13. Anti-dismantling union nut component according to claim 11, it is characterised in that: the auxiliary nut, locating part
It is made with the ratchet of plastic material.
14. a kind of pipe-line system, including at least two connecting tubes, it is characterised in that: pass through between the two neighboring connecting tube
Anti-dismantling union nut component connects as described in any one of claim 1 to 13.
15. a kind of household electrical appliance, it is characterised in that: including pipe-line system as claimed in claim 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910590971.9A CN110397803A (en) | 2019-07-02 | 2019-07-02 | A kind of Anti-dismantling union nut component, pipe-line system and household electrical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910590971.9A CN110397803A (en) | 2019-07-02 | 2019-07-02 | A kind of Anti-dismantling union nut component, pipe-line system and household electrical appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110397803A true CN110397803A (en) | 2019-11-01 |
Family
ID=68323680
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910590971.9A Pending CN110397803A (en) | 2019-07-02 | 2019-07-02 | A kind of Anti-dismantling union nut component, pipe-line system and household electrical appliance |
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| CN (1) | CN110397803A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049320A (en) * | 2020-08-31 | 2020-12-08 | 上海家树建筑工程有限公司 | Precast concrete sandwich heat-insulation wall structure and construction method thereof |
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| CN112049320A (en) * | 2020-08-31 | 2020-12-08 | 上海家树建筑工程有限公司 | Precast concrete sandwich heat-insulation wall structure and construction method thereof |
| CN112049320B (en) * | 2020-08-31 | 2022-02-11 | 上海家树建设集团有限公司 | Precast concrete sandwich heat-insulation wall structure and construction method thereof |
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