CN207583816U - Self locking type screw rod component and caravan air-conditioning internal-external machine bindiny mechanism and caravan air-conditioning - Google Patents
Self locking type screw rod component and caravan air-conditioning internal-external machine bindiny mechanism and caravan air-conditioning Download PDFInfo
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- CN207583816U CN207583816U CN201721704567.2U CN201721704567U CN207583816U CN 207583816 U CN207583816 U CN 207583816U CN 201721704567 U CN201721704567 U CN 201721704567U CN 207583816 U CN207583816 U CN 207583816U
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- bolt
- conical part
- annular element
- caravan
- wall
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Abstract
The utility model discloses a kind of caravan air-conditioning internal-external machine bindiny mechanisms, caravan roof, interior machine installing plate, outer machine chassis and Self-locking bolt component including offering through-hole, outer machine chassis is located at the outside of caravan roof, interior machine installing plate is located at the inside of caravan roof, pressing plate is pressed in the inside of interior machine installing plate, Self-locking bolt component includes nuts and bolt, nut is embedded in outer machine chassis, and bolt is spirally connected by interior pressing plate, interior machine installing plate, caravan roof and the nut on outer machine chassis of being each passed through outward；Be arranged on bolt annular element with concave cone hole and can radial direction deformation conical part, annular element is located at the lower section of pressing plate with conical part, conical part is stretched into the concave cone hole of annular element, the concave cone hole inner wall of annular element applies radial pressure to the outer wall of conical part, and the inner wall of conical part is made to hold the outer surface of bolt tightly and make bolt fixed relative to conical part.
Description
Technical field
The utility model is related to a kind of self-locking screw and the inner connecting structure of caravan air-conditioning, more particularly, to it is a kind of from
Locking-type screw arbor assembly and caravan air-conditioning internal-external machine bindiny mechanism and caravan air-conditioning.
Background technology
Vehicle overhead air conditioner includes machine outside overhead, machine and air inlet/outlet channel in overhead, and the outer machine of overhead is installed on caravan vehicle
On the outside of top, machine is installed on the inside of caravan roof in overhead, and air inlet/outlet channel is mounted to and in inside the through-hole of roof.The outer machine of overhead
Including housing and internal vapo(u)rization system and condenser system, the air draught inside caravan is entered by air intake passage and through steaming
After hair system heat exchange, then it is blown into inside caravan by air-out passage.Machine includes panel assembly and is opened in panel in overhead
Inlet and outlet on component.Connection structure is insecure between the interior machine and outer machine of traditional overhead caravan air-conditioning and installation is not square
Just, due to vehicle it is long-term jolt or emergency brake, accelerate it is frequent so that between internal-external machine or between internal-external machine and vehicle roof easily
Relative displacement is generated, this influences whether the normal operative condition of caravan air-conditioning.
The utility model specification that China Patent No. is 2017205499744 discloses a kind of the inside and outside of overhead caravan air-conditioning
Machine connection structure and caravan air-conditioning are fixed to each other between outer machine and the interior machine by fastening screw component, fastening screw group
Part is placed through the roof through-hole among outer machine and interior machine, and layout of the fastening screw component in through-hole causes fastening screw
Position of the component in through-hole is cured, so as to which the relative position for making outer machine, interior machine and roof three is fixed.
As depicted in figs. 1 and 2, it is the connection fixed structure of caravan air-conditioning internal-external machine, is installed including outer machine chassis 4, interior machine
Plate 3 and bolt 52,51 inserts of nut are embedded in outer machine chassis 4, and locking mode is that bolt 52 penetrates outer machine chassis 4 from inside to outside
On 51 inserts of nut locked.But above-mentioned locking mechanism has the disadvantage that：If if large torque is locked, bolt
Pulling force interior machine installing plate and outer machine chassis can be made to deform, in extreme circumstances, the nut being embedded in chassis can be made embedding
Part is detached from chassis, causes the damage of caravan unit.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of self-locking screw assemblies, further provide by this
Fixed caravan air-conditioning internal-external machine bindiny mechanism of self-locking screw assembly institute and caravan air-conditioning.
Technical solution is used by the utility model solves above-mentioned technical problem：Self-locking bolt component, including mutual
The nuts and bolt of connection, be arranged on the bolt annular element with concave cone hole and can radial direction deformation tapered portion
Part, the conical part are stretched into the concave cone hole of annular element, and the concave cone hole inner wall of annular element is to the outer wall of conical part
Apply radial pressure, the inner wall of conical part is made to hold the outer surface of bolt tightly and make bolt fixed relative to conical part.
The further preferred embodiment of the utility model is：The conical part includes annular matrix and is connected to annular
At least two on matrix are made up of the separated taper branch of grooving.
The further preferred embodiment of the utility model is：The taper branch be four, two neighboring taper branch it
Between have grooving.
The further preferred embodiment of the utility model is：The inner wall of the conical part is in the circle coordinated with bolt.
The further preferred embodiment of the utility model is：The outer wall of the annular element is in polygon or round.
The further preferred embodiment of the utility model is：The pressing plate being sleeved on bolt is further included, the conical part is consolidated
Be scheduled on the lower surface of pressing plate, annular element is located at the lower section of conical part, the annular element be fixed on bolt lower end or
Person's annular element activity is seated in above the end of bolt or annular element is fixedly connected on above the end of bolt.
The further preferred embodiment of the utility model is：The pressing plate being sleeved on bolt is further included, the annular element is consolidated
Be scheduled on the lower surface of pressing plate, conical part is located at the lower section of annular element, the conical part be fixed on bolt lower end or
Person's conical part activity is seated in above the end of bolt or conical part is fixedly connected on above the end of bolt.
The further preferred embodiment of the utility model is：Caravan air-conditioning internal-external machine bindiny mechanism, including offering through-hole
Caravan roof, interior machine installing plate, outer machine chassis and Self-locking bolt component, outer machine chassis are located at the outside of caravan roof, interior machine
Installing plate is located at the inside of caravan roof, and pressing plate is pressed in the inside of interior machine installing plate, and Self-locking bolt component includes nut and spiral shell
Bolt, nut are embedded in outer machine chassis, and bolt is each passed through pressing plate, interior machine installing plate, caravan roof and outer machine bottom outward by interior
Nut on disk is spirally connected；
Be arranged on the bolt annular element with concave cone hole and can radial direction deformation conical part, the ring
Shape component is located at the lower section of pressing plate with conical part, and the conical part is stretched into the concave cone hole of annular element, annular element
Concave cone hole inner wall radial pressure is applied to the outer wall of conical part, the inner wall of conical part is made to hold the outer surface of bolt tightly and make
Bolt is fixed relative to conical part.
The further preferred embodiment of the utility model is：The conical part includes annular matrix and is connected to annular
At least two on matrix are made up of the separated taper branch of grooving.
The further preferred embodiment of the utility model is：The taper branch be four, two neighboring taper branch it
Between have grooving.
The further preferred embodiment of the utility model is：The inner wall of the conical part is in the circle coordinated with bolt.
The further preferred embodiment of the utility model is：The outer wall of the annular element is in polygon or round.
The further preferred embodiment of the utility model is：The conical part is fixed on the lower surface of pressing plate, ring part
Part is located at the lower section of conical part, and the annular element is fixed on the lower end of bolt or annular element activity is seated in spiral shell
Above the end of bolt or annular element is fixedly connected on above the end of bolt.
The further preferred embodiment of the utility model is：The annular element is fixed on the lower surface of pressing plate, tapered portion
Part is located at the lower section of annular element, and the conical part is fixed on the lower end of bolt or conical part activity is seated in spiral shell
Above the end of bolt or conical part is fixedly connected on above the end of bolt.
The further preferred embodiment of the utility model is：Caravan air-conditioning, it is characterised in that including caravan air-conditioning as described above
Internal-external machine bindiny mechanism.
Compared with prior art, the technical solution of the utility model has the following advantages that：When caravan air-conditioning is installed, bolt
The nut inserts being each passed through in annular element, conical part and outer machine chassis is locked；When being locked to bolt, lock
After tight torsion reaches a threshold value, the axial distance between annular element and conical part shortens, and annular element squeezes taper
During component, the concave cone hole inner wall of annular element applies radial pressure to the outer wall of conical part, makes the interior of conical part
The outer surface that wall holds bolt tightly simultaneously makes bolt fixed relative to conical part, and since screw rod is by locking, screw rod is embedding with nut
The relative position of part no longer changes, and the nut on outer machine chassis is not forced with interior machine installing plate causes deformation, while again
It can guarantee being reliably connected for caravan air-conditioning internal-external machine.
Description of the drawings
Fig. 1 is caravan air conditioner structure figure of the prior art；
Fig. 2 is enlarged drawing at the A in prior art Fig. 1；
Fig. 3 is the caravan air conditioner structure figure of the embodiment one of the utility model；
Fig. 4 is enlarged drawing at the B in Fig. 3；
Fig. 5 is the outline drawing of the Self-locking bolt component of the embodiment one of the utility model；
Fig. 6 is the A-A sectional views of Fig. 5；
Fig. 7 is the exploded view of the Self-locking bolt component of the embodiment one of the utility model；
Fig. 8 is the structure chart of the annular element of the utility model；
Fig. 9 is the sectional view of the annular element of the utility model；
Figure 10 is the structure chart of the conical part of the utility model；
Figure 11 is the sectional view of the conical part of the utility model；
Figure 12 is the exploded view of the Self-locking bolt component of the embodiment two of the utility model；
Figure 13 is the exploded view of the Self-locking bolt component of the embodiment three of the utility model；
Figure 14 is the exploded view of the Self-locking bolt component of the example IV of the utility model.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Overhead type caravan air-conditioning, including outdoor machine of air-conditioner and interior machine, outdoor machine of air-conditioner is installed on the outside of caravan roof, and interior machine
Mounted on the inside of caravan roof, the interior machine of caravan air-conditioning include panel assembly and the center being opened on panel assembly into
The air-out passage of wind channel and surrounding, caravan indoor air flow are inhaled by center air intake passage inside air-conditioning, are through evaporation
Air-flow after system heat exchange enters caravan inner space by the air-out passage of panel assembly surrounding, outlet air herein and air inlet
For the inner space of caravan.
The internal-external machine connection structure of overhead caravan air-conditioning, roof, outdoor machine of air-conditioner and interior machine including offering through-hole, outer machine
It being fixed to each other between interior machine by bolt assembly, screw arbor assembly is placed through the roof through-hole among outer machine and interior machine, and
Layout of the screw arbor assembly in through-hole is so that position of the screw arbor assembly in through-hole is cured, so as to make outer machine, interior machine and vehicle
The relative position of top three is fixed.Above-mentioned relevant information is disclosed in detail in No. 2017205499744 patent documents.This
The air-conditioning internal structure and the layout type of screw assembly that utility model is related to be not reinflated herein.Jie of the utility model
The emphasis that continues is mainly increased latching member on bolt assembly, to prevent excessive torsion from being damaged to the deformation of unit.From lock section
The structure and the position in screw arbor assembly that part includes annular element 7 and conical part 8, particularly may be divided into four kinds of embodiment party
Formula.
Embodiment one：As shown in Figure 3 and Figure 4, caravan air-conditioning internal-external machine bindiny mechanism, the caravan including offering through-hole 1
Roof 2, interior machine installing plate 3, outer machine chassis 4 and Self-locking bolt component 5, outer machine chassis 4 is located at the outside of caravan roof 2, interior
Machine installing plate 3 is located at the inside of caravan roof 2, and pressing plate 6 is pressed in the inside of interior machine installing plate 3, and Self-locking bolt component 5 includes spiral shell
Mother 51 and bolt 52, nut 51 be embedded in outer machine chassis 4, bolt 52 by it is interior be each passed through outward pressing plate 6, interior machine installing plate 3,
Caravan roof 2 is spirally connected with the nut 51 on outer machine chassis 4；
As shown in Figure 5-Figure 7, be arranged on bolt 52 annular element 7 with concave cone hole 71 and can radial direction deformation taper
Component 8, annular element 7 are located at the lower section of pressing plate 6 with conical part 8, and conical part 8 is stretched into the concave cone hole 71 of annular element 7,
71 inner wall of concave cone hole of annular element 7 applies radial pressure to the outer wall of conical part 8, and the inner wall of conical part 8 is made to hold spiral shell tightly
The outer surface of bolt 52 simultaneously makes bolt 52 fixed relative to conical part 8.
The conical part 8 of the utility model is made of metal material with annular element 7.
As shown in Figure 10-Figure 11, conical part 8 includes annular matrix 81 and be connected on annular matrix 81 four logical
The separated taper branch 83 of grooving 82 is crossed to form.The inner wall of conical part 8 is in the circle coordinated with bolt 52.When bolt is not twisted also
When tight, there are gaps for the outer surface of component that four taper branches 83 surround and bolt 52, and bolt 52 can relative to conical part
Rotation, as the torque of stubborn bolt 52 is increasing, annular element 7 is increasingly closer to conical part 8, i.e., conical part 8 into
Enter into the concave cone hole 71 of annular element 7, the taper branch 83 on conical part 8 is squeezed by 71 inner wall of concave cone hole, taper
The endoporus of branch 8 is gradually reduced and holds the outer surface of bolt 52 tightly, until can not again turn bolt 52, at this time bolt 52 with
The distance between embedded nut 51 in outer machine chassis 4 determines, so as to avoid the nut 51 on outer machine chassis 4 and interior machine installing plate
3 are not forced and cause deformation.
As Figure 8-9, the outer wall of annular element 7 is hexagonal or round.When annular element replaces bolt end 521
When, when being welded on the bottom of bolt, the outer wall of annular element is preferably hexagon, and convenient wrench turns.If work as ring part
After part activity is placed in bolt end 521, the outer wall of annular element can be round.Spanner can act on the bolt of hexagon
End 521.
As shown in fig. 7, the annular matrix 81 of conical part 8 is fixed on the lower surface of pressing plate 6, annular matrix 81 and pressing plate it
Between can be welding or other fixed forms, 7 activity of lower endless component that annular element 7 is located at conical part 8 put
It is placed on 521 top of end of bolt 52.Or annular element 7 is fixed on the lower end of bolt 52, and the end 521 of bolt 52 is gone
Fall.
Embodiment two：As shown in figure 12, other parts are identical with embodiment one, the difference is that conical part 8
Annular matrix is fixed on the lower surface of pressing plate 6, and annular element 7 is located at the lower section of conical part 8, and annular element 7 is fixedly connected on
521 top of end of bolt 52.
Embodiment three：As shown in figure 13, other parts are identical with embodiment one, the difference is that annular element 7 is solid
The lower surface of pressing plate 6 is scheduled on, conical part 83 is located at the lower section of annular element 7, and 8 activity of conical part is seated in the end of bolt 52
521 top of portion.
Example IV：As shown in figure 14, other parts are identical with embodiment one, the difference is that annular element 7 is solid
The lower surface of pressing plate 6 is scheduled on, conical part 83 is located at the lower section of annular element 7, and conical part 8 is fixed on the end of bolt 52
521 tops.
Or conical part 83 is fixed on to the lower end of bolt 52, while remove the end 521 of bolt 52.
Self-locking bolt component provided by the utility model and caravan air-conditioning internal-external machine bindiny mechanism are carried out above
It is discussed in detail, specific case used herein is expounded the principle and embodiment of the utility model, implements above
The explanation of example is merely used to help understand the utility model and core concept.It should be pointed out that the common skill for the art
For art personnel, under the premise of the utility model principle is not departed from, several improvement can also be carried out to the utility model and are repaiied
Decorations, these improvement and modification are also fallen into the protection domain of the utility model claims.
Claims (15)
1. self locking type screw rod component, the nuts and bolt including interconnection is arranged with concave cone hole on the bolt
Annular element and can radial direction deformation conical part, the conical part stretched into the concave cone hole of annular element, annular element
Concave cone hole inner wall radial pressure is applied to the outer wall of conical part, the inner wall of conical part is made to hold the outer surface of bolt tightly and make
Bolt is fixed relative to conical part.
2. self locking type screw rod component according to claim 1, it is characterised in that the conical part includes annular matrix
And at least two be connected on annular matrix are made up of the separated taper branch of grooving.
3. self locking type screw rod component according to claim 2, it is characterised in that the taper branch be four, adjacent two
There is grooving between a taper branch.
4. self locking type screw rod component according to claim 1, it is characterised in that the inner wall of the conical part is in and spiral shell
The circle of bolt cooperation.
5. self locking type screw rod component according to claim 1, it is characterised in that the outer wall of the annular element is in polygon
Shape or circle.
6. self locking type screw rod component according to claim 1, it is characterised in that the pressing plate being sleeved on bolt is further included, it is described
Conical part be fixed on the lower surface of pressing plate, annular element is located at the lower section of conical part, and the annular element is fixed on
Either annular element activity is seated in above the end of bolt or annular element is fixedly connected on bolt for the lower end of bolt
Above end.
7. self locking type screw rod component according to claim 1, it is characterised in that the pressing plate being sleeved on bolt is further included, it is described
Annular element be fixed on the lower surface of pressing plate, conical part is located at the lower section of annular element, and the conical part is fixed on
Either conical part activity is seated in above the end of bolt or conical part is fixedly connected on bolt for the lower end of bolt
Above end.
8. caravan air-conditioning internal-external machine bindiny mechanism, including offer the caravan roof of through-hole, interior machine installing plate, outer machine chassis and from
Locking-type bolt assembly, outer machine chassis are located at the outside of caravan roof, and interior machine installing plate is located at the inside of caravan roof, and pressing plate is pressed in
The inside of interior machine installing plate, Self-locking bolt component include nuts and bolt, and nut is embedded in outer machine chassis, bolt from it is interior toward
Outside pressing plate, interior machine installing plate, caravan roof and the nut on outer machine chassis is each passed through to be spirally connected；It is characterized in that the bolt
On be arranged with annular element with concave cone hole and can radial direction deformation conical part, the annular element and conical part position
In the lower section of pressing plate, the conical part is stretched into the concave cone hole of annular element, and the concave cone hole inner wall of annular element is to taper
The outer wall of component applies radial pressure, and the inner wall of conical part is made to hold the outer surface of bolt tightly and make bolt relative to conical part
It is fixed.
9. caravan air-conditioning internal-external machine bindiny mechanism according to claim 8, it is characterised in that the conical part includes
Annular matrix and what is be connected on annular matrix at least two be made up of the separated taper branch of grooving.
10. caravan air-conditioning internal-external machine bindiny mechanism according to claim 9, it is characterised in that the taper branch is four
It is a, there is grooving between two neighboring taper branch.
11. caravan air-conditioning internal-external machine bindiny mechanism according to claim 8, it is characterised in that the conical part it is interior
Wall is in the circle coordinated with bolt.
12. caravan air-conditioning internal-external machine bindiny mechanism according to claim 8, it is characterised in that outside the annular element
Wall is in polygon or round.
13. caravan air-conditioning internal-external machine bindiny mechanism according to claim 8, it is characterised in that the conical part is fixed
In the lower surface of pressing plate, annular element is located at the lower section of conical part, the annular element be fixed on bolt lower end or
Annular element activity is seated in above the end of bolt or annular element is fixedly connected on above the end of bolt.
14. caravan air-conditioning internal-external machine bindiny mechanism according to claim 8, it is characterised in that the annular element is fixed
In the lower surface of pressing plate, conical part is located at the lower section of annular element, the conical part be fixed on bolt lower end or
Conical part activity is seated in above the end of bolt or conical part is fixedly connected on above the end of bolt.
15. caravan air-conditioning, it is characterised in that including the caravan air-conditioning internal-external machine bindiny mechanism as described in claim 8-14 is any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721704567.2U CN207583816U (en) | 2017-12-08 | 2017-12-08 | Self locking type screw rod component and caravan air-conditioning internal-external machine bindiny mechanism and caravan air-conditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721704567.2U CN207583816U (en) | 2017-12-08 | 2017-12-08 | Self locking type screw rod component and caravan air-conditioning internal-external machine bindiny mechanism and caravan air-conditioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207583816U true CN207583816U (en) | 2018-07-06 |
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ID=62736788
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721704567.2U Active CN207583816U (en) | 2017-12-08 | 2017-12-08 | Self locking type screw rod component and caravan air-conditioning internal-external machine bindiny mechanism and caravan air-conditioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207583816U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859682A (en) * | 2017-12-08 | 2018-03-30 | 宁波宏都电器有限公司 | Self locking type screw rod component and caravan air-conditioning internal-external machine bindiny mechanism and caravan air-conditioning |
-
2017
- 2017-12-08 CN CN201721704567.2U patent/CN207583816U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859682A (en) * | 2017-12-08 | 2018-03-30 | 宁波宏都电器有限公司 | Self locking type screw rod component and caravan air-conditioning internal-external machine bindiny mechanism and caravan air-conditioning |
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