CN107906279A - Tamper nut, tamper pipe connection device and air conditioner - Google Patents
Tamper nut, tamper pipe connection device and air conditioner Download PDFInfo
- Publication number
- CN107906279A CN107906279A CN201711217503.4A CN201711217503A CN107906279A CN 107906279 A CN107906279 A CN 107906279A CN 201711217503 A CN201711217503 A CN 201711217503A CN 107906279 A CN107906279 A CN 107906279A
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- China
- Prior art keywords
- nut body
- section
- screw
- nut
- tamper
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Classifications
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- 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
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/0206—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the collar not being integral with the pipe
Abstract
The present invention provides a kind of tamper nut, tamper pipe connection device and air conditioner.Wherein, tamper nut includes：Nut body has the internal thread coordinated with pipe fitting and the conical surface with the horn mouth assembling of adapter with part, nut body is screwed；Screwing part can be sleeved on nut body, screw and transmission fit structure is equipped between part and nut body, screw part by being driven fit structure and transmit clamp load torque to nut body；Wherein, screw part and screw section and second including first and screw section, first screws section and second one end for screwing section is rotatably connected, and the other end can rotate to opposite direction and screw section and second first and screw and form the opening at least above adapter outside diameter between section.Tamper nut provided by the invention, had not only met the tamper requirement of combustible refrigerant pipeline, but also realized that will screw part easily separates from whole pipe connection system, improves the overall effect of product.
Description
Technical field
The present invention relates to air-conditioning technical field, more specifically, be related to a kind of tamper nut, a kind of tamper pipe connection device and
A kind of air conditioner.
Background technology
At present, indoor unit is connected by split air conditioner generally use pipe fitting with union nut with the pipeline of outdoor unit
Connect.And the air conditioner for using flammable refrigerant, in order to avoid causing secondary refrigerant leakage to trigger security incident because dismantle by mistake,
Correlation standard indoor does not allow to use detachable connector.
In order to meet the non-disconnectable requirement of pipe connection device, the pipe fitting or adapter spiral shell of Anti-dismantling are devised in correlation technique
Mother, but its assembling structure is complicated, and while tamper requirement is met, under also being separated from pipe fitting or union nut
The component come is remained in pipe-line system, influences the overall effect of product.
The content of the invention
It is contemplated that at least solve one of technical problem existing in the prior art.
For this reason, the purpose of the first aspect of the invention is, there is provided a kind of tamper nut.
The purpose of the second aspect of the invention is, there is provided a kind of tamper pipe connection device including above-mentioned tamper nut.
The purpose of the third aspect of the invention is, there is provided a kind of air conditioner for including above-mentioned tamper pipe connection device.
To achieve the above object, the technical solution of first aspect present invention provides a kind of tamper nut, including：Nut sheet
Body, has the internal thread coordinated with pipe fitting and the conical surface with the horn mouth assembling of adapter；With screw part, can be sleeved on described
On nut body, described screw is equipped with transmission fit structure between part and the nut body, the part that screws passes through the biography
Movable fit structure transmits clamp load torque to the nut body；Wherein, it is described screw part and screw section and second including first screw
Section, described first screws section and described second one end for screwing section is rotatably connected, and the other end can rotate simultaneously to opposite direction
Section and described second, which is screwed, described first screws the opening that is formed between section at least above the adapter outside diameter.
The tamper nut that above-mentioned technical proposal of the present invention provides, is set in screwing for tamper nut between part and nut body
Fit structure is driven, part is screwed and clamp load torque is transmitted to nut body by the transmission fit structure, so as to fulfill nut body
It is fastenedly connected with pipe fitting, assembling structure is simple；After the completion of assembling, the first of part will be screwed screw section and second and screw Duan Xiangxiang
Opposite direction rotates, and makes first to screw section and second and screws the opening formed between section at least above adapter outside diameter, so as to will screw
Part is deviate from by the opening at adapter, and realization screws part and separated with whole pipe connection system, so that because being lacked on connecting line
Few and nut body coordinates to screw part to nut body transmission torque, makes coolant connecting tube road non-disconnectable；Can also be into one
Step is destroyed with the transmission fit structure for screwing part cooperation on nut body, and making to screw part can not coordinate with nut body again, into one
Step ensures that pipeline jointing construction is non-disconnectable, so that not only met the tamper requirement of combustible refrigerant pipeline, but also realization will screw part conveniently
Ground is separated from whole pipe connection system, improves the overall effect of product.
It should be noted that in assembling, it can will screw the first of part and screw section and second and screw section and separated to both sides
Certain angle, makes first to screw section and second and screws the opening formed between section at least above adapter outside diameter, will screw part and pass through
The opening is fastened on the outer surface of adapter, then passes through the mobile outer surface for screwing part and screwing part and be sleeved on nut body
On；It can also will screw part to be sleeved in adapter in advance from its hollow cavity, part suit will be screwed by the mobile part that screws in assembling
On the outer surface of nut body.
In addition, the tamper nut that above-mentioned technical proposal of the present invention provides can also have following additional technical feature：
In the above-mentioned technical solutions, described first section is screwed and described second described one end for screwing section can by connecting shaft
Rotation connection, described first screws section and the end face of described second described one end for screwing section is respectively provided with fillet or oblique angle.
First screws section is respectively provided with fillet or oblique angle with the second end face for screwing one end that section is connected by connecting shaft so that
First, which screws section and second other end for screwing section, can rotate sufficiently large angle round about and be unlikely to interfere,
Screw to screw section and second first and form sufficiently large opening between section, enable to screw part by the opening at adapter
Disassemble.
In the above-mentioned technical solutions, described first to screw section and second inner surface for screwing section be arc surface, institute
State first and screw section and when described second other end for screwing section is rotated to relative direction can screw section described first
The hollow cavity for crossing on the inside of section and being adapted with the outer surface of the nut body is screwed with described second.
Screw section and second by rotating first and screw section, make first to screw section and second and screw and cross between section and nut
The hollow cavity that the outer surface of body is adapted, so as to be screwed by the part that screws on the outside of nut body to nut body application
Torque, realizes and nut body and pipe fitting is fastened together by screwing part.
In the above-mentioned technical solutions, the outer surface of the nut body is cylindrical surface, and the outer surface for screwing part has
At least two pressure-bearing surfaces clamped for instrument.
The outer surface of nut body is cylindrical surface, can not be by the reverse screw on nut sheet of instrument due to lacking force application plane
Body, so as to ensure that the non-dismountable property of pipe fitting and tamper nut, avoids because dismounting causes the hair of secondary refrigerant leakage accident by mistake
It is raw；Screwing the outer surface of part has at least two pressure-bearing surfaces for instrument clamping, so as to be applied by instrument to screwing part
Clamp load torque, it is preferable that the outer surface for screwing part is prismatic surface, it is further preferred that the outer surface for screwing part is hexagonal prisms face.
In any of the above-described technical solution, the transmission fit structure includes：Be located at the nut body outer surface and
Convex portion on one in the inner surface for screwing part and the groove being located on another, the convex portion have with it is described
Fit depressions screw stress surface.
By in the outer surface of nut body and screwing convex portion and groove being set on the inner surface of part, screw part and pass through setting
The stress that screws on convex portion transmits clamp load torque towards nut body, realizes the purpose that nut body is tightened by screwing part.
In the above-mentioned technical solutions, the convex portion is located on the outer surface of the nut body, and the convex portion is in that edge unscrews
Gradually outwardly extending pointed shape, the convex portion are by the outer of the nut body backwards to the one side for screwing stress surface in direction
Surface gradually stretches out the guide surface to be formed along unscrewing direction；Or the convex portion be located at it is described screw on the inner surface of part, institute
It is in that edge unscrews the pointed shape that direction gradually extends internally to state convex portion, and the convex portion screws the one side of stress surface as by institute backwards to described
State and screw the inner surface of part along unscrewing the guide surface that direction gradually extends inwardly to form.
Convex portion is in that edge unscrews direction gradually outwardly extending pointed shape, with after the completion of assembling, it is easy to ground tie convex portion
Structure destroys, and the groove in the portion of screwing is not formed again with the outer surface of nut body and coordinates, further meets that combustible refrigerant is prevented
The condition torn open；The one side that convex portion screws stress surface backwards at the same time is to unscrew direction gradually to extension from the outer surface edge of nut body
Stretch the guide surface to be formed, along unscrew direction rotate screw part when, the convex portion on nut body is deviate from out of groove that screw on part,
Screw part and opposite slip occurs with nut body, by screwing part nut body can not be driven to rotate, that is, screwing part can not be along rotation
Loose measure transmits unscrewing torque to nut body, can only tighten nut body so as to fulfill part is screwed and is unable to loosening nut body
Purpose, further meet the tamper requirement of combustible refrigerant；It is similar that convex portion is located to situation about screwing on part, it is no longer superfluous herein
State.
In the above-mentioned technical solutions, the convex portion is located on the outer surface of the nut body close to one end of the adapter
Portion, and along the axially extending of the nut body；The groove is located at described screw on the inner surface of part close to the pipe fitting
One end, and screw the axially extending of part along described, and the groove screws the width of part axial direction and the convex portion described in
It is adapted along the width of nut body axial direction.
Convex portion is located on the outer surface of nut body and is located on the inner surface for screw part and leans on close to the one end of adapter, groove
The one end of nearly pipe fitting, so that by screwing part to the movement close to the direction of nut body, realization will screw part and be sleeved on spiral shell
On the outer surface of maternal body, and make the convex portion of connecting tube and screw the groove of part to cooperatively form transmission for transmitting clamp load torque
Fit structure, realization screw part and drive nut body rotation to be tightened with pipe fitting cooperation；Convex portion along the axially extending of nut body,
Groove makes convex portion have certain width along the axial direction of nut body along the axially extending of part is screwed, and correspondingly groove edge screws
The axial direction of part has certain width, to ensure that convex portion screws stress surface with groove with sufficiently large, so that it is guaranteed that by convex
Portion coordinates the reliability for transmitting clamp load torque with groove, avoids convex portion or groove before pipe fitting and tamper nut are tightened from occurring
Fracture.
In the above-mentioned technical solutions, the convex portion is located on the outer surface of the nut body close to one end of the adapter
Portion, and along the axially extending of the nut body, the groove be located at it is described screw on the inner surface of part, and penetrate through institute vertically
State and screw part.
Groove is located on the inner surface for screwing part, and perforation screws part vertically, can be whole so that screwing part during assembling
A be sleeved on nut body applies clamp load torque to nut body, so that it is guaranteed that screwing power to nut body transmission from screwing part
The stationarity of square.
In the above-mentioned technical solutions, at least one convex portion is circumferentially with along it on the outer surface of the nut body,
At least one groove is circumferentially with along it on the inner surface for screwing part, and the quantity of the groove is no less than described convex
The quantity in portion.
The quantity of convex portion can be one, or it is multiple, when the quantity of convex portion is multiple, nut sheet can be increased
Body and the area for screwing stress surface between part is screwed, screwed so that it is guaranteed that being coordinated by convex portion with groove to nut body transmission
The reliability of torque；And in the outer surface of nut body along its circumferentially disposed multiple convex portion, by multiple convex portions respectively with rotation
The multiple grooves twisted on the inner surface of part coordinate, it can be ensured that transmit the stationarity of clamp load torque.
The technical solution of the second aspect of the invention provides a kind of tamper pipe connection device, including：Pipe fitting；And adapter
Nut, the union nut are the tamper nut described in any of the above-described technical solution.
The tamper pipe connection device that above-mentioned technical proposal of the present invention provides, passes through pipe fitting and union nut connecting line, dress
Timing, after pipe fitting, nut body and adapter center centering, is screwed to irremovable position by nut body manually；Will rotation
Twist part first screw section and second screw section using connecting shaft for axle center to both sides opening, make first to screw section and second and screw section
Between form opening of the size at least above adapter outside diameter, then will screw part and snap into the outer surface of nut body, make to screw part
Coordinated with the transmission fit structure on nut body, nut body and screwed after part works good, screwed with instrument clamping
The stress surface of part, will screw part and rotate to untill disclosure satisfy that pipe fitting and the condition that nut body sealed connection is not revealed；Pipe
After connector, nut body and adapter assembling in place, back off tool, will screw part and is taken from nut body along assembling axis direction
Under, then part will be screwed from opening separated with pipeline jointing construction；Finally use the wedge angle of the convex portion of instrument push nut body
Position, the wedge angle of convex portion is destroyed, and is made to screw part and can not be formed with the outer surface of nut body again to coordinate, is met that combustible refrigerant is prevented
The requirement of dismounting.
The technical solution of the third aspect of the invention provides a kind of air conditioner, including：Outdoor unit, on the outdoor unit
It is connected with the first adapter for refrigerant circulation；And indoor unit, the second adapter for refrigerant circulation, institute are connected with the indoor unit
The first adapter is stated with the tamper pipe connection device described in the second adapter Pass through above-mentioned technical proposal to be connected.
The air conditioner that above-mentioned technical proposal of the present invention provides, the Anti-dismantling pipe tipping described in above-mentioned technical proposal is included because of it
Put, thus with the beneficial effect of the Anti-dismantling pipe connection device described in above-mentioned technical proposal, details are not described herein.
The additional aspect and advantage of the present invention will become obvious in following description section, or the practice by the present invention
Recognize.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is tamper nut described in one embodiment of the invention and the structure diagram before pipe fitting assembling；
Fig. 2 is tamper nut shown in Fig. 1 and the structure diagram after pipe fitting assembling；
Fig. 3 is tamper nut shown in Fig. 2 and the schematic cross-sectional view after pipe fitting assembling；
Fig. 4 is that tamper nut shown in Fig. 2 screws the main structure diagram after part is removed；
Fig. 5 is the fit structure schematic diagram for screwing part and nut body of tamper nut shown in Fig. 2；
Fig. 6 is structure diagram when screwing part rotating opening of tamper nut shown in Fig. 5；
Fig. 7 is the structure diagram screwed when part is screwed of tamper nut shown in Fig. 5；
Fig. 8 be in Fig. 7 A-A to schematic cross-sectional view；
Fig. 9 is the structure diagram of the nut body of tamper nut shown in Fig. 5.
Wherein, correspondences of the Fig. 1 into Fig. 9 between reference numeral and component names is：
1 nut body, 11 internal threads, 12 conical surfaces, 13 convex portions, 131 screw stress surface, 132 guide surfaces, and 2 screw part, and 21
One screws section, and 211 fillets, 22 second screw section, and 221 fillets, 23 stitch, 24 connecting shafts, 25 grooves, 26,27 pressure-bearing surfaces, and 3 first
Adapter, 31 horn mouths, 4 pipe fittings, 41 external screw threads, 42 tapered portion, 5 second adapters.
Embodiment
It is to better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real
Mode is applied the present invention is further described in detail.It should be noted that in the case where there is no conflict, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
By using other different from implementing in a manner of described here, therefore, protection scope of the present invention and from following public tool
The limitation of body embodiment.
Tamper nut, tamper pipe connection device and the sky of 1 to Fig. 9 description according to some embodiments of the invention with reference to the accompanying drawings
Adjust device.
As shown in Figures 1 to 9, a kind of tamper nut provided according to some embodiments of the invention, including：Nut body 1
With screw part 2.
Specifically, as shown in Figures 1 to 4, nut body 1 has with the internal thread 11 of the cooperation of pipe fitting 4 and with taking over (such as
The first adapter 3 in figure) horn mouth 31 assemble the conical surface 12；Screwing part 2 can be sleeved on nut body 1, screw 2 He of part
Transmission fit structure is equipped between nut body 1, part 2 is screwed by being driven fit structure and transmits clamp load torque to nut body 1；
Wherein, as shown in Fig. 5 to Fig. 8, screw part 2 and screw section 21 and second including first and screw section 22, first screws section 21 and second
The one end for screwing section 22 is rotatably connected, and the other end can rotate (the camber line direction of arrow as shown in Figure 5) simultaneously to opposite direction
Formation is opened at least above adapter (the first adapter 3 in such as figure) outside diameter between first screws section 21 and second screws section 22
Mouthful.
As shown in Figure 3, it is illustrated that in label d represent the first adapter 3 outside diameter.
The tamper nut that the above embodiment of the present invention provides, is set in screwing for tamper nut between part 2 and nut body 1
Fit structure is driven, part 2 is screwed and clamp load torque is transmitted to nut body 1 by the transmission fit structure, so as to fulfill nut sheet
Body 1 is fastenedly connected with pipe fitting 4, and assembling structure is simple；After the completion of assembling, the first of part 2 will be screwed and screw the rotation of section 21 and second
Twist section 22 to rotate round about, make first to screw section 21 and second and screw formation opening at least above adapter outside diameter between section 22
Mouthful, to be deviate from so that part 2 will be screwed by the opening at adapter, realization screws part 2 and is separated with whole pipe connection system, so that
Part 2 is screwed to the transmission torque of nut body 1 because lacking on connecting line with the cooperation of nut body 1, makes coolant connecting tube road
It is non-disconnectable；Can also further it destroy with the transmission fit structure for screwing the cooperation of part 2 on nut body 1, making to screw part 2 can not be again
Coordinate with nut body 1, further ensure that pipeline jointing construction is non-disconnectable, so as to both meet that the tamper of combustible refrigerant pipeline will
Ask, and realize that will screw part 2 easily separates from whole pipe connection system, improves the overall effect of product.
It should be noted that in assembling, it can will screw the first of part 2 and screw section 21 and second and screw section 22 to both sides
Certain angle is separated, makes first to screw section 21 and second and screws the opening formed between section 22 at least above adapter outside diameter, will revolve
Part 2 is twisted by the opening sleeve in adapter, then passes through the mobile outer surface for screwing part 2 and screwing part 2 and be sleeved on nut body 1
On；It can also will screw part 2 to be sleeved in advance in adapter (the first adapter 3 in such as figure) from its hollow cavity, and pass through shifting in assembling
It is dynamic to screw part 2 and be sleeved on part 2 is screwed on the outer surface of nut body 1.
Specifically, nut body 1 can be that metalwork can also be nonmetal parts；It can be that metalwork also may be used to screw part 2
Think nonmetal parts.
In one embodiment of the invention, as shown in Figures 5 to 7, first screw section 21 and second and screw the one of section 22
End is rotatably connected by connecting shaft 24, and the first end face for screwing one end of section 21 has fillet 211 or oblique angle, and second screws section
The end face of 22 one end has fillet 221 or oblique angle.
First screws section 21 is respectively provided with fillet or oblique with the second end face for screwing one end that section 22 is connected by connecting shaft 24
Angle so that first screw section 21 and second other end for screwing section 22 can rotate sufficiently large angle round about and it is unlikely
In interfering, screw to screw section 21 and second first and form sufficiently large opening between section 22, enable to screw part 2 and lead to
The opening is crossed to disassemble at adapter.
In one embodiment of the invention, as shown in Figures 5 to 7, first screw section 21 and second and screw the interior of section 22
Surface is arc surface, first screw section 21 and second screw the other end of section 22 to relative direction rotate when can be in the first rotation
Twist section 21 and the second inner side for screwing section 22 crosses the hollow cavity being adapted with the outer surface of nut body 1.
Screw section 21 and second by rotating first and screw section 22, make first to screw section 21 and second and screw and enclose between section 22
Go out the hollow cavity being adapted with the outer surface of nut body 1, so that by screwing part 2 to nut positioned at the outside of nut body 1
Body 1 applies clamp load torque, realizes and nut body 1 and pipe fitting 4 are fastened together by screwing part 2.
Specifically, first section 21 is screwed and second other end for screwing section 22 rotates to relative direction and turns to dominant bit
When putting, it can make to form one between the end face of first other end for screwing section 21 and the end face of second other end for screwing section 22
The seam 23 of very little, as shown in Figure 6 and Figure 7；The end face and second that can also make first other end for screwing section 21 screw section 22
The end face of the other end fits.
In one embodiment of the invention, as depicted in figs. 1 and 2, the outer surface of nut body 1 is cylindrical surface, such as Fig. 6
Shown in Fig. 7, screwing the outer surface of part 2 has at least two pressure-bearing surfaces 26,27 for instrument clamping.
The outer surface of nut body 1 is cylindrical surface, can not be by the reverse screw on nut of instrument due to lacking force application plane
Body 1, so as to ensure that the non-dismountable property of pipe fitting 4 and tamper nut, avoids because dismounting causes secondary refrigerant leakage accident by mistake
Generation；Screw part 2 outer surface have at least two for instruments clamping stress surfaces, so as to by instrument to screwing part
2 apply clamp load torque, it is preferable that the outer surface for screwing part 2 is prismatic surface, it is further preferred that the outer surface for screwing part 2 is six
Prismatic surface.
In one embodiment of the invention, as shown in Figure 1 and Figure 5, transmission fit structure includes：It is located at nut body 1
Outer surface on convex portion 13 and the groove 25 that is located on the inner surface for screwing part 2, as shown in figure 9, convex portion 13 have with it is recessed
Groove 25 is matched to screw stress surface 131, is coordinated by convex portion 13 and groove 25, and realization, which screws part 2 and transmitted to nut body 1, revolves
Clamp force square.
In one embodiment of the invention, as shown in Figure 1, convex portion 13, which is located on the outer surface of nut body 1, leans on proximity
The one end of (the first adapter 3 in such as figure) is managed, and along the axially extending of nut body 1；Groove 25 is located at the interior table for screwing part 2
Close to the one end of pipe fitting 4 on face, and along screwing the axially extending of part 2, and groove 25 along screw the axial width of part 2 with it is convex
Portion 13 is adapted along the axial width of nut body 1.
As shown in Figure 1, it is illustrated that in label a represent convex portion 13 along the axial width of nut body 1；As shown in Figure 8, it is illustrated that
In label b represent groove 25 along screwing the axial width of part 2.
Convex portion 13 is located at close to the one end of the first adapter 3 on the outer surface of nut body 1, and groove 25, which is located at, screws part 2
Inner surface on close to pipe fitting 4 one end so that by screwing part 2 to the movement close to the direction of nut body 1, realizing will
Screw part 2 to be sleeved on the outer surface of nut body 1, and the convex portion 13 of connecting tube is cooperatively formed with screwing the groove 25 of part 2
For transmitting the transmission fit structure of clamp load torque, realization screws part 2 and drives the rotation of nut body 1 to be tightened with the cooperation of pipe fitting 4；
Convex portion 13 is axially extending along nut body 1, and groove 25 makes axis of the convex portion 13 along nut body 1 along the axially extending of part 2 is screwed
To with certain width, correspondingly groove 25 has certain width along the axial direction for screwing part 2, to ensure convex portion 13 and groove
25 screw stress surface 131 with sufficiently large, and the reliable of clamp load torque is transmitted so that it is guaranteed that coordinating by convex portion 13 and groove 25
Property, avoid convex portion 13 or groove 25 before pipe fitting 4 is tightened with tamper nut from being broken.
In another embodiment of the present invention, as illustrated in figures 1 and 8, convex portion 13 is located on the outer surface of nut body 1
Close to the one end of adapter 3, and along the axially extending of nut body 1, groove 25 is located on the inner surface for screwing part 2, and along axis
Part 2 is screwed to perforation.
Groove 25 is located on the inner surface for screwing part 2, and perforation screws part 2 vertically, so that screwing 2 energy of part during assembling
Enough be entirely sleeved on nut body 1 applies clamp load torque to nut body 1, so that it is guaranteed that being passed from screwing part 2 to nut body 1
Pass the stationarity of clamp load torque.
In one embodiment of the invention, as shown in figure 9, convex portion 13 is located on the outer surface of nut body 1, convex portion 13
In along direction gradually outwardly extending pointed shape is unscrewed, the one side that convex portion 13 screws stress surface 131 backwards is by nut body 1
Outer surface gradually stretches out the guide surface 132 to be formed along unscrewing direction.
Convex portion 13 is in along unscrewing direction gradually outwardly extending pointed shape, with after the completion of assembling, it is easy to which ground is by convex portion
13 structures are destroyed, and the groove 25 in the portion of screwing is not formed again with the outer surface of nut body 1 and are coordinated, meet that combustible refrigerant is prevented
The condition torn open；The one side that convex portion 13 screws stress surface 131 backwards is gradually outside along direction is unscrewed by the outer surface of nut body 1
The guide surface 132 extended to form so that along when unscrewing direction and screwing part 2, convex portion 13 on nut body 1 is from screwing part 2
On groove 25 in abjection, screw part 2 and nut body 1 occur it is opposite slide, can not be by screwing the drive nut body 1 of part 2
Rotation, that is, unscrewing torque can not be transmitted along direction is unscrewed to nut body 1 by screwing part 2, and spiral shell can only be tightened so as to fulfill part 2 is screwed
Maternal body 1 and be unable to the purpose of loosening nut body 1.
Further, at least one convex portion 13 is circumferentially with along it on the outer surface of nut body 1, screws the interior table of part 2
At least one groove 25 is circumferentially with along it on face, and the quantity of groove 25 is no less than the quantity of convex portion 13.
The quantity of convex portion 13 can be one, or it is multiple, when the quantity of convex portion 13 is multiple, spiral shell can be increased
Maternal body 1 and the area for screwing stress surface 131 between part 2 is screwed, so that it is guaranteed that coordinating by convex portion 13 and groove 25 to spiral shell
Maternal body 1 transmits the reliability of clamp load torque；And lead in the outer surface of nut body 1 along its circumferentially disposed multiple convex portion 13
The multiple grooves 25 crossed on inner surface of multiple convex portions 13 respectively with screwing part 2 coordinate, it can be ensured that transmit the flat of clamp load torque
Stability.
In another embodiment of the present invention, transmission fit structure includes：It is located at recessed on the outer surface of nut body 1
There is edge to screw direction for groove (not shown) and the convex portion (not shown) being located on the inner surface for screwing part 2, convex portion
With groove 25 is matched screws stress surface 131, coordinated by convex portion 13 and groove 25, realization screws part 2 and passed to nut body 1
Pass clamp load torque.
Further, convex portion 13 is located on the inner surface for screwing part 2, and convex portion 13 is in that edge unscrews what direction gradually extended internally
Pointed shape, the one side that convex portion 13 screws stress surface 131 backwards are to unscrew direction by the inner surface edge for screwing part 2 gradually to extend internally
The guide surface 132 of formation.
Convex portion 13 is located on the inner surface for screwing part 2, groove 25 is located on the outer surface of nut body 1, same energy
Enough realized by the cooperation of convex portion 13 and groove 25 and screw the purpose that part 2 transmits clamp load torque to driving member.
As shown in Figures 1 to 4, the embodiment of the second aspect of the invention provides a kind of tamper pipe connection device, including：
Pipe fitting 4 and union nut, union nut are the tamper nut of any of the above-described embodiment.
Specifically, as shown in Figures 1 to 5, union nut includes nut body 1 and screws part 2, nut body 1 have with
The internal thread 11 that pipe fitting 4 coordinates and the conical surface 12 with the assembling of horn mouth 31 of the first adapter 3；Screw part 2 and be sleeved on nut sheet
On body 1, screw and transmission fit structure is equipped between part 2 and nut body 1, screw part 2 by being driven fit structure to nut sheet
Body 1 transmits clamp load torque；One end of pipe fitting 4 has the external screw thread 41 that coordinates with the internal thread 11 on nut body 1 and with the
The tapered portion 42 that the horn mouth 31 of one adapter 3 coordinates, tapered portion 42 are inserted at the conical surface 12 of nut body 1 and the first adapter 3
Horn mouth 31 is engaged to form sealing；Wherein, as shown in Figures 5 to 9, screw part 2 and screw the rotation of section 21 and second including first
Section 22 is twisted, first screws section 21 and second one end for screwing section 22 is rotatably connected, and the other end can rotate simultaneously to opposite direction
Section 21 and second, which is screwed, first screws the opening that is formed between section 22 at least above 3 outside diameter of the first adapter.
The tamper pipe connection device that the above embodiment of the present invention provides, passes through pipe fitting 4 and union nut connecting line, assembling
When, after pipe fitting 4,1 and first adapter of nut body, 3 center centering, nut body 1 is screwed to irremovable position manually
Put；To screw the first of part 2 screw section 21 and second screw section 22 with connecting shaft 24 for axle center to both sides open, make first to screw
Section 21 and second forms size at least above the opening of adapter outside diameter between screwing section 22, then will screw part 2 and snap into nut sheet
The outer surface of body 1, makes to screw the transmission fit structure on part 2 and nut body 1 and is coordinated, and nut body 1 and screws part 2 and matches somebody with somebody
After after conjunction, the stress surface of part 2 is screwed with instrument clamping, part 2 will be screwed rotates to and disclosure satisfy that pipe fitting 4 and nut body 1
Untill being tightly connected the condition do not revealed；After pipe fitting 4,1 and first adapter 3 of nut body assembling in place, back off tool, will revolve
Twist part 2 to remove from nut body 1, part 2 will be screwed and separated with pipeline jointing construction；Finally with instrument push nut body 1
Convex portion 13, convex portion 13 is destroyed, and is made to screw part 2 and can not be formed with the outer surface of nut body 1 again to coordinate, is met that combustible refrigerant is prevented
The requirement of dismounting.
The embodiment of the third aspect of the invention provides a kind of air conditioner (not shown), including：Outdoor unit and
Indoor unit, the first adapter 3 (or second adapter 5) for refrigerant circulation is connected with outdoor unit, is connected with indoor unit for refrigerant
Second adapter 5 (or first adapter 3) of circulation, the tamper pipe connection device that the first adapter 3 and the second adapter 5 pass through above-described embodiment
It is connected.
The air conditioner that the above embodiment of the present invention provides, because it includes the Anti-dismantling pipe connection device of above-described embodiment, thus
The beneficial effect of Anti-dismantling pipe connection device with above-described embodiment, details are not described herein.
In conclusion tamper nut provided in an embodiment of the present invention, in screwing between part and nut body for tamper nut
Transmission fit structure is set, part is screwed and clamp load torque is transmitted to nut body by the transmission fit structure, so as to fulfill nut
Body is fastenedly connected with pipe fitting, and assembling structure is simple；After the completion of assembling, the first of part will be screwed screw section and second and screw section
Rotate round about, make first to screw section and second and screw the opening formed between section at least above adapter outside diameter, so that general
Screw part by the opening at adapter to deviate from, realization screws part and separates with whole pipe connection system, so as to both meet flammable
The tamper requirement of refrigerant pipeline, and realize that will screw part easily separates from whole pipe connection system.
In description of the invention, it is to be understood that the orientation or position relationship of the instruction such as term " on ", " under " be based on
Orientation shown in the drawings or position relationship, are for only for ease of description description of the invention and simplified, rather than instruction or hint institute
The device or unit of finger must have specific direction, with specific azimuth configuration and operation, it is thus impossible to be interpreted as to this hair
Bright limitation.
In the description of the present invention, unless otherwise clearly defined and limited, term " connected ", " connection ", " fixation " etc.
It should all be interpreted broadly, for example, " connection " can be fixedly connected or be detachably connected, or be integrally connected, or electricity
Connection；It can be directly connected, can also be indirectly connected by intermediary.For the ordinary skill in the art,
The concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean to combine at least one reality that the particular features, structures, materials, or characteristics that the embodiment or example describe are contained in the present invention
Apply in example or example.In the present specification, schematic expression of the above terms is not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more embodiments or example with
Suitable mode combines.
It these are only the preferred embodiment of the present invention, be not intended to limit the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
- A kind of 1. tamper nut, it is characterised in that including：Nut body, has the internal thread coordinated with pipe fitting and the conical surface with the horn mouth assembling of adapter；WithPart is screwed, can be sleeved on the nut body, described screw is equipped with transmission cooperation between part and the nut body Structure, the part that screws transmit clamp load torque by the transmission fit structure to the nut body；Wherein, it is described screw part and screw section and second including first screw section, described first, which screws section and described second, screws section One end be rotatably connected, the other end can to opposite direction rotate and described first screw section and described second screw section it Between formed at least above the adapter outside diameter opening.
- 2. tamper nut according to claim 1, it is characterised in thatDescribed first screws section and described second described one end for screwing section is rotatably connected by connecting shaft, and described first screws The end face of section and described second described one end for screwing section is respectively provided with fillet or oblique angle.
- 3. tamper nut according to claim 1, it is characterised in thatDescribed first to screw section and second inner surface for screwing section be arc surface, and described first screws section and described second Section and described second can be screwed when the other end of section is rotated to relative direction described first by, which screwing, screws the inner side of section Cross the hollow cavity being adapted with the outer surface of the nut body.
- 4. tamper nut according to claim 1, it is characterised in thatThe outer surface of the nut body is cylindrical surface, and the outer surface for screwing part has at least two holding for instrument clamping Pressure surface.
- 5. tamper nut according to any one of claim 1 to 4, it is characterised in thatThe transmission fit structure includes：One be located in the outer surface and the inner surface for screwing part of the nut body On convex portion and the groove that is located on another, the convex portion have along screwing screwing for direction and the fit depressions Stress surface.
- 6. tamper nut according to claim 5, it is characterised in thatThe convex portion is located on the outer surface of the nut body, and the convex portion is in that edge unscrews direction gradually outwardly extending wedge angle Shape, the convex portion are gradually outside along direction is unscrewed by the outer surface of the nut body backwards to the one side for screwing stress surface The guide surface extended to form；OrThe convex portion is screwed on the inner surface of part described in being located at, and the convex portion is in that edge unscrews the wedge angle that direction gradually extends internally Shape, the convex portion are to unscrew direction by the inner surface edge for screwing part gradually inwardly to prolong backwards to the one side for screwing stress surface Stretch the guide surface to be formed.
- 7. tamper nut according to claim 5, it is characterised in thatThe convex portion is located at close to the one end of the adapter on the outer surface of the nut body, and along the nut body It is axially extending；The groove is screwed close to the one end of the pipe fitting on the inner surface of part described in being located at, and is screwed along described Part it is axially extending, the groove screws the width and width of the convex portion along nut body axial direction of part axial direction described in It is adapted；OrThe convex portion is located at close to the one end of the adapter on the outer surface of the nut body, and along the nut body It is axially extending, the groove be located at it is described screw on the inner surface of part, and screw part described in perforation vertically.
- 8. tamper nut according to claim 5, it is characterised in thatAt least one convex portion is circumferentially with along it, edge on the inner surface for screwing part on the outer surface of the nut body It is circumferentially with least one groove, and the quantity of the groove is no less than the quantity of the convex portion.
- A kind of 9. tamper pipe connection device, it is characterised in that including：Pipe fitting；WithUnion nut, the union nut are such as tamper nut described in any item of the claim 1 to 8.
- A kind of 10. air conditioner, it is characterised in that including：Outdoor unit, the first adapter for refrigerant circulation is connected with the outdoor unit；WithIndoor unit, the second adapter for refrigerant circulation, first adapter and the described second adapter are connected with the indoor unit It is connected by tamper pipe connection device as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711217503.4A CN107906279A (en) | 2017-11-28 | 2017-11-28 | Tamper nut, tamper pipe connection device and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711217503.4A CN107906279A (en) | 2017-11-28 | 2017-11-28 | Tamper nut, tamper pipe connection device and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107906279A true CN107906279A (en) | 2018-04-13 |
Family
ID=61847847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711217503.4A Pending CN107906279A (en) | 2017-11-28 | 2017-11-28 | Tamper nut, tamper pipe connection device and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107906279A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114339A (en) * | 2018-10-29 | 2019-01-01 | 奥克斯空调股份有限公司 | A kind of Anti-dismantling connector, connector component and air conditioner |
| WO2021109674A1 (en) * | 2019-12-04 | 2021-06-10 | 浙江盾安人工环境股份有限公司 | Disassembly-prevention nut assembly and air conditioning system |
| CN113446444A (en) * | 2020-03-24 | 2021-09-28 | 浙江三花智能控制股份有限公司 | Pipeline connecting device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20180413 |