CN103733292B - Pressure follow-up switch and connector unit - Google Patents
Pressure follow-up switch and connector unit Download PDFInfo
- Publication number
- CN103733292B CN103733292B CN201280038964.4A CN201280038964A CN103733292B CN 103733292 B CN103733292 B CN 103733292B CN 201280038964 A CN201280038964 A CN 201280038964A CN 103733292 B CN103733292 B CN 103733292B
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- Prior art keywords
- mentioned
- joint
- connector unit
- corrugated tube
- switch
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Links
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 57
- 230000009471 action Effects 0.000 claims description 20
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 abstract description 6
- 238000005452 bending Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 14
- 230000033001 locomotion Effects 0.000 description 8
- 239000000758 substrate Substances 0.000 description 8
- 208000031481 Pathologic Constriction Diseases 0.000 description 6
- 238000005476 soldering Methods 0.000 description 6
- 210000001215 vagina Anatomy 0.000 description 6
- 238000003754 machining Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000003101 oviduct Anatomy 0.000 description 1
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 1
- 229910052683 pyrite Inorganic materials 0.000 description 1
- 239000011028 pyrite Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/32—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by bellows
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
In pressure follow-up switch, make joint and corrugated tube and operating member that the assembling of main body is become easy, and, do not use lid to wait and realize miniaturization in the mounting portion of joint.Engage corrugated tube (12) at joint (11) and constitute connector unit (1).In joint (11), the root in junction surface (111) side in six prism portions (112) forms slit portion (112a).Base plate (21) in reinforcing plate (2) forms hexagonal inserting hole (21a), in the chimeric six prism portions (112) of inserting hole (21a).Operating member (4) is embedded reinforcing plate (2), constitutes embedded components (10).Fixing pawl (22a, 23a) is formed in reinforcing plate (2).Base plate (31) in support housing (3) forms inserting hole (31a) and notch (31b).Fixing hole (32a) is formed at epimere (32).Joint (11) is inserted inserting hole (31a), at slit portion (112a) press-in slit press-in portion (31c).Fixing pawl (22a, 23a) is inserted fixing hole (32a) bending.The corner in six prism portions (112) of butt joint (11) rivets to support housing (3) side.
Description
Technical field
The coolant compressor etc. that the present invention relates to make the freeze cycle in freezing, air regulation device etc. rises
Dynamic or the pressure follow-up switch that stops and connector unit, specifically, relate to having according to flowing in freezing
The bellows body that the cold-producing medium of circulation or the pressure of cold-producing medium of temperature sensing tube deform, and by with this corrugated tube
The link mechanism that body interlocks makes switch open/close pressure follow-up switch and for this pressure follow-up switch
Connector unit.
Background technology
In the past, as this pressure follow-up switch, such as, there is Unexamined Patent 10-334780 publication (patent
Document 1) disclosed in switch.This pressure follow-up switch has low-pressure side bellows portion and high-pressure side corrugated tube
Portion.Each bellows portion possesses lid (corrugated tube cylinder 24a, 25a), is fixed with in one end of corrugated tube cylinder
Joint (fluidly connects portion 24d, 25d), and the other end is formed with convex edge 24e, 25e of tetragon.
Being accommodated with corrugated tube (bellows body 24f) in lid, in this corrugated tube, the through hole via joint imports cold-producing medium.
And, corrugated tube deforms, by the link rod interlocked with this corrugated tube according to the pressure of its internal cold-producing medium
Mechanism, mechanical switch action.
It addition, the lid of each bellows portion (corrugated tube cylinder 24a, 25a) is by (the fastening of fixing screw
Screw 24h, 25h) it is screwed and is installed on main body side unit.
Figure 16 is joint and the ripple representing the existing pressure follow-up switch identical with above-mentioned patent documentation 1
The figure of the fixture construction of stricture of vagina pipe.In the inner side of the lid a of the flange part a1 with tetragon, by soldering,
The various joint method such as soldering, welding is fixed with corrugated tube b.It addition, it is solid by welding in the end of lid a
Surely joint c, the through hole of joint c is had to be conducted in corrugated tube b.And, by this lid a, corrugated tube b with
And the joint side unit that constitutes of joint c by by the corner of the flange part a1 of lid a by fixing with screw d spiral shell
Stricture of vagina is fixed, and is installed on main body side unit.Additionally, in main body side unit, be equipped and have and corrugated tube
The operating member of the link mechanism that b interlocks.
Prior art literature
Patent documentation
Patent documentation 1: Unexamined Patent 10-334780 publication
Summary of the invention
Invent problem to be solved
In the existing pressure follow-up switch shown in above-mentioned patent documentation 1 or Figure 16, as joint and ripple
The fixture construction of stricture of vagina pipe, employs lid (for corrugated tube cylinder in patent documentation 1) and 4 screws, institute
There is the problem spending cost.
The problem of the present invention is, improves joint and the fixture construction of corrugated tube, subtract in pressure follow-up switch
Few cost.
In order to solve the means of problem
The pressure follow-up switch of technical scheme 1 is to possess to be bonded to the connector unit of corrugated tube, embedding at joint
The reinforcing plate of above-mentioned connector unit and assemble above-mentioned reinforcing plate and the machinery that interlocks with above-mentioned corrugated tube is opened
Close support housing, above-mentioned pressure follow-up switch is characterised by, above-mentioned reinforcing plate be formed insert above-mentioned
The inserting hole of the above-mentioned joint of connector unit, connects the above-mentioned of above-mentioned connector unit from the inboard of above-mentioned reinforcing plate
Head is inserted to above-mentioned inserting hole, and, clamped by this connector unit and above-mentioned support housing with this reinforcing plate
The press-in of this joint is fixed to this support housing by mode, thus installs this connector unit to above-mentioned supporting shell
Body.
The pressure follow-up switch of technical scheme 2, it is characterised in that servo-actuated at the pressure described in technical scheme 1
In switch, it is formed with the inserting hole of the above-mentioned joint inserting above-mentioned connector unit and from this at above-mentioned support housing
The notch of rectangle that inserting hole extends, the above-mentioned joint at above-mentioned connector unit be formed can be pressed into above-mentioned
The slit of the slit press-in portion of the outer peripheral portion of notch, via the above-mentioned inserting hole of above-mentioned support housing, will
The above-mentioned slit of above-mentioned slit press-in portion press-in extremely above-mentioned joint, thus the press-in of above-mentioned joint is fixed to above-mentioned
Support housing.
The pressure follow-up switch of technical scheme 3, it is characterised in that servo-actuated at the pressure described in technical scheme 1
In switch, it is formed with the press-in hole of the above-mentioned joint inserting above-mentioned connector unit at above-mentioned support housing, by upper
State joint and be pressed into above-mentioned press-in hole in the axial direction, thus the press-in of above-mentioned joint is fixed to above-mentioned supporting shell
Body.
The pressure follow-up switch of technical scheme 4, it is characterised in that any one institute in technical scheme 1～3
In the pressure follow-up switch stated, embed above-mentioned connector unit in above-mentioned reinforcing plate and interlock also with above-mentioned corrugated tube
Make the operating member of above-mentioned mechanical switch action.
The pressure follow-up switch of technical scheme 5, it is characterised in that any one institute in technical scheme 1～4
In the pressure follow-up switch stated, the root of the above-mentioned ripple tube side of above-mentioned joint is prism, above-mentioned reinforcing plate
Above-mentioned inserting hole is the polygonal hole mated with this prism.
The pressure follow-up switch of technical scheme 6, it is characterised in that servo-actuated at the pressure described in technical scheme 5
In switch, when above-mentioned connector unit is installed to above-mentioned support housing, to above-mentioned connector unit
The corner of the prism of above-mentioned joint rivets to above-mentioned support housing side.
The pressure follow-up switch of technical scheme 7, it is characterised in that any one institute in technical scheme 1～6
In the pressure follow-up switch stated, possess temperature sensing tube, above-mentioned connector unit is being installed to above-mentioned support housing
Under state, the capillary tube connected with above-mentioned temperature sensing tube and the above-mentioned fittings of above-mentioned connector unit.
The pressure follow-up switch of technical scheme 8, it is characterised in that any one institute in technical scheme 1～7
In the pressure follow-up switch stated, at the inner side of above-mentioned corrugated tube of above-mentioned connector unit and/or outside tool
The corrugated tube guiding piece of the deformation of the standby radial direction relative to axis limiting this corrugated tube.
The connector unit of technical scheme 9, is the joint of pressure follow-up switch for technical scheme 5 or 6
Unit, it is characterised in that become the above-mentioned reinforcing plate of ratio above-mentioned of the bonding part engaged with above-mentioned corrugated tube
The big junction surface of the diameter of inserting hole forms, above-mentioned with the prism portion of the root constituting above-mentioned prism
Prism portion is formed from the position that distance corresponding with the thickness of above-mentioned reinforcing plate is left at above-mentioned junction surface
Above-mentioned slit.
The connector unit of technical scheme 10, it is characterised in that in the connector unit described in technical scheme 9,
The radius relative to axis limiting this corrugated tube is possessed in the inner side of above-mentioned corrugated tube and/or outside
The corrugated tube guiding piece of the deformation in direction.
The effect of invention
Pressure follow-up switch according to technical scheme 1, corrugated tube is directly joined joint, and, by joint
Unit is assembled into reinforcing plate, and, by joint in the way of reinforcing plate is by connector unit and support housing clamping
Press-in is fixed to support housing, thus unlike needing lid, screw in the past, becomes miniaturization.
Pressure follow-up switch according to technical scheme 2, on the basis of the effect of technical scheme 1, in supporting
The position inserting joint in housing is inserting hole, so there is support housing on complete cycle around this joint
The parts of such as base plate, so support housing will not open wide the intensity that can keep support housing.And, will
Slit press-in portion is from the slit of transverse direction press-in connector, even if so applying the above-below direction (axle of connector unit
Line direction) power, it is also possible to firmly fix.
Pressure follow-up switch according to technical scheme 3, on the basis of the effect of technical scheme 1, in supporting
The position inserting joint in housing is press-in hole, so all there is support housing around this joint on complete cycle
The parts of such as base plate, so support housing will not open wide the intensity that can keep support housing.And,
By joint in the axial direction on be pressed into press-in hole, so the assembling of connector unit becomes easy.
Pressure follow-up switch according to technical scheme 4, the base of the effect of any one in technical scheme 1～3
On plinth, embed connector unit and operating member in reinforcing plate, it is possible to process as these embedded components one,
Assembling operation becomes easy.
Pressure follow-up switch according to technical scheme 5, the base of the effect of any one in technical scheme 1～4
On plinth, in the part in prism portion of the polygonal inserting hole chimeric linker of reinforcing plate, it is possible to prevent phase
Rotation for the connector unit of reinforcing plate, it is possible to be reliably fixed.
Pressure follow-up switch according to technical scheme 6, on the basis of the effect of technical scheme 5, at joint
Under the installment state of unit, the corner of the prism of butt joint rivets to supporting shell side, it is possible to will connect
Head unit is securely held to support housing further.
Pressure follow-up switch according to technical scheme 7, it is possible to constitute and there is any one in technical scheme 1～6
The temperature switch of effect.
Pressure follow-up switch according to technical scheme 8, the basis of any one effect in technical scheme 1～7
On, the deformation of the radial direction of corrugated tube is limited, so the load putting on corrugated tube to become ratio more uniform,
Improve the resistance to pressure of corrugated tube.
According to the connector unit of technical scheme 9, obtain and the identical effect of technical scheme 5 or 6.
According to the connector unit of technical scheme 10, on the basis of the effect of technical scheme 9, corrugated tube
The deformation of radial direction is limited, thus the load putting on corrugated tube to become ratio more uniform, improve ripple
The resistance to pressure of pipe.
Accompanying drawing explanation
Fig. 1 is being made up of corrugated tube and joint of the pressure follow-up switch by the 1st embodiment of the present invention
Embedded components is installed on the stereoscopic figure before support housing.
Fig. 2 is that the embedded components of the pressure follow-up switch by the 1st embodiment of the present invention is inserted into supporting shell
The stereoscopic figure installing midway of the inserting hole of body.
Fig. 3 is that the slit portion at embedded components of the pressure follow-up switch of the 1st embodiment of the present invention is pressed into
The stereoscopic figure of the state of the slit press-in portion of support housing.
Fig. 4 is that the embedded components of the pressure follow-up switch by the 1st embodiment of the present invention is fixed on supporting shell
The stereoscopic figure of the installment state of body.
Fig. 5 is the outline isometric front view of the connector unit of the 1st embodiment of the present invention.
Fig. 6 is connector unit and the axonometric chart of reinforcing plate of the 1st embodiment of the present invention.
Fig. 7 is the embedding that the connector unit of the 1st embodiment of the present invention and operating member are embedded into reinforcing plate
The axonometric chart of assembly.
Fig. 8 is the embedding that the connector unit of the 1st embodiment of the present invention and operating member are embedded into reinforcing plate
The side view of assembly.
Fig. 9 be the top view of pressure follow-up switch of the 1st embodiment of the present invention, front view, upward view,
And the front view of the state of declad.
Figure 10 be constitute the present invention the 1st embodiment temperature switch pressure follow-up switch top view,
The front view of the state of front view, upward view and declad.
Figure 11 is the connecing of guiding piece in the inner side of the corrugated tube of embodiments of the present invention is provided with corrugated tube
The longitudinal section of head unit.
Figure 12 is to be provided with connecing of the outer guiding piece of corrugated tube in the outside of the corrugated tube of embodiments of the present invention
The longitudinal section of head unit.
Figure 13 be in the inner side of the corrugated tube of embodiments of the present invention arranges corrugated tube guiding piece and
Outside arranges the longitudinal section of the connector unit of the outer guiding piece of corrugated tube.
Figure 14 is being made up of corrugated tube and joint of the pressure follow-up switch by the 2nd embodiment of the present invention
Embedded components be installed on the stereoscopic figure before support housing.
Figure 15 is that the embedded components of the pressure follow-up switch by the 2nd embodiment of the present invention is fixed on supporting
The stereoscopic figure of the installment state of housing.
Figure 16 is the figure of the fixture construction representing the joint of existing pressure follow-up switch and corrugated tube.
Detailed description of the invention
It follows that referring to the drawings, the pressure follow-up switch of the present invention and the embodiment of connector unit are entered
Row explanation.Fig. 1～Fig. 4 is that the embedded components representing the 1st embodiment by invention is installed to support housing
The figure of process, Fig. 1 is that embedded components is installed to the stereoscopic figure before support housing, Fig. 2 be by
Embedded components is inserted into the stereoscopic figure installing midway of the inserting hole of support housing, and Fig. 3 is in embedding group
The slit portion of part has been pressed into the stereoscopic figure of the state of the slit press-in portion of support housing, and Fig. 4 is to embed
Assembly is fixed on the stereoscopic figure of the installment state of support housing.It addition, Fig. 5 is the outline of connector unit
Isometric front view, Fig. 6 is the axonometric chart of connector unit and reinforcing plate, and Fig. 7 is by connector unit and operating member
Being embedded into the axonometric chart of the embedded components of reinforcing plate, Fig. 8 is that connector unit and operating member are embedded into reinforcing plate
And the side view of the embedded components obtained, Fig. 9 is the top view of the pressure follow-up switch of embodiment, main regards
Figure, upward view, and the front view of the state of declad.
In figure, 1 is connector unit, and 2 is reinforcing plate, and 3 is support housing, and 4 is operating member, and 5 is conduct
The microswitch of mechanical switch, 6 is outer housing.It addition, 10 is to embed connector unit 1 relative to reinforcing plate 2
The embedded components obtained with operating member 4.
As it is shown in figure 5, connector unit 1 is to utilize the various joint methods such as soldering, soldering, welding at pyrite
Corrugated tube 12 is engaged on the joint 11 of system.Joint 11 is formed by machining, by with ripple
Columned junction surface 111 that stricture of vagina pipe 12 engages, be formed as six ribs as " prism portion " of six prisms
Post portion 112, the flare tube fitting portion 113 being formed on the outer periphery external screw thread 113a are constituted.And, at six ribs
The both sides in post portion 112 are formed 2 slit portion 112a in the side close to junction surface 111.Additionally, loudspeaker
Pipe joint portion 113 is provided with the oviduct nut for connecting not shown pipe arrangement (fluid ingress pipe).
As shown in Figure 6, reinforcing plate 2 is formed by the die-cut of metallic plate and bending machining, has base plate
21,2 side plates 22, top board 23 and header board 24.It is formed for inserting connector unit 1 at base plate 21
Joint 11(six prism portion 112) inserting hole 21a.This inserting hole 21a and six prism portions 112
The hexagonal hole of six prism couplings.In each side plate 22 and top board 23, contrary with header board 24 one
The end of side, is formed with fixing pawl 22a, 23a respectively 2 positions.It addition, formed at top board 23
There is scope to adjust screw 23b and closing pressure difference adjusts screw 23c.It is formed with actuating range at header board 24
Limiting holes 24a, scope display window 24b and differential pressure display window 24c.
Six prism portions 112 of connector unit 1 are embedded in the inserting hole 21a of base plate 21, group as shown in Figure 7
It is loaded on reinforcing plate 2.It addition, as shown in Figure 7 and Figure 8, in reinforcing plate 2, at the ripple of connector unit 1
Stricture of vagina pipe 12 side is assembled with operating member 4.Thus, embedded components 10 is constituted.Operating member 4 has action accessory
41, fine motion position adjusting screw 42, operating pressure adjust spring 43, cover plate 44 and scope and adjust screw
45.Operating pressure adjusts spring 43 and is disposed between action accessory 41 and pressing plate 44, passes through adjusting range
Adjust the amount of screwing of screw 45, adjust operating pressure adjustment spring 43 and give the spring force of corrugated tube 12.
Though additionally, omit diagram, but it is poor to adjust screw sets closing pressure by closing pressure difference.
Action accessory 41 is formed by the die-cut of metallic plate and bending machining, has and corrugated tube 12
The substrate 41a, the most rectangular relative to substrate 41a from the end of a side of substrate 41a that abuts of top
The extended actuating strut 41b in ground, the internal thread part 41c erected from the end of the opposing party of substrate 41a.
And, action accessory 41 is supported by axle 41d axle between the side plate 22,22 of reinforcing plate 2, action accessory
41 can rotate relative to reinforcing plate 2.Additionally, be formed at the restriction plate 41e(ginseng of the end of substrate 41a
According to Fig. 8) insert actuating range limiting holes 24a to reinforcing plate 2, thus, limit action accessory 41
Slewing area.
It addition, fine motion position adjusting screw 42 through actuating strut 41b, opposing actuating strut 41b relative to
The elastic force of substrate 41a, screws in the not shown female thread of internal thread part 41c.Therefore, according to fine motion position
Adjust the screw-in situation of screw 42, it is possible to the angle of the fine setting actuating strut 41b relative to substrate 41a.By
This, in the way of relative to setting pressure reliably action, the angle of trimming movement bar 41b, it is possible to eliminate
The deviation of the action that assembly error etc. cause.
According to above composition, the following action of operating member 4.By the action of corrugated tube 12, action accessory
41 opposing operating pressures adjust the spring force of spring 43 and rotate, microswitch 5 and this action accessory 41
Actuating strut 41b ON/OFF linkedly.Additionally, be provided with connection control line (not shown) in microswitch 5
Terminal 51(with reference to Fig. 9, Figure 10).
As it is shown in figure 1, support housing 3 is formed by the die-cut of metallic plate and bending machining, there is the end
Plate 31, epimere 32 and top board 33.It is formed with the joint 11 for inserting connector unit 1 at base plate 31
The circular inserting hole 31a in (six prism portions 112), and, it is formed from this inserting hole 31a extension
The notch 31b of rectangle.The part of the both sides of this notch 31b sets as slit press-in portion 31c, 31c
Put.Slit press-in portion 31c, the opposed interval of 31c are 2 slit portions 112a, 112a with joint 1
Interval coupling size, it is possible to relative to joint 1 slit portion 112a, 112a be pressed into slit press-in portion 31c,
31c.Additionally, be formed with the wire fairlead 31d drawing the wire being connected with microswitch 5 at base plate 31.
Epimere 32 at support housing 3 be formed for be respectively embedded into reinforcing plate 26 fixing pawl 22a,
6 fixing hole 32a of 23a.It addition, be formed for this pressure follow-up switch is fixed at epimere 32
Fixing boss (boss) 32b in refrigerating plant etc..Further, fixing with compared with boss 32b with this
It is formed with the adjustment screw 32c in the face of fine motion position adjusting screw 42 in the inner part.
As it is shown in figure 5, in six prism portions 112 of joint 11, the height of the root of side, junction surface 111
(length in axis L direction) D1 is the size that the thickness of the base plate 21 with reinforcing plate 2 is identical.And,
Width (length in the axis L direction) D2 of slit portion 112a is the thickness of the base plate 31 with support housing 3
Spend identical size.Thus, when constituting embedded components 10 as shown in Figure 7 and Figure 8, connect
The junction surface 111 of 11 abuts with base plate 21, the interior table of the upside in slit portion 112a as shown in Figure 8
Face is same level with the surface of base plate 21.
In order to embedded components 10 is assembled into support housing 3, carry out following action.First, such as Fig. 1
Shown in make fixing pawl 22a, 23a epimere 32 side towards support housing 3 of reinforcing plate 2, such as Fig. 2 institute
Show the six prism portions 112 being inserted into joint 11 at the inserting hole 31a of the base plate 31 of support housing 3.This shape
Under state, slit portion 112a is parallel with slit press-in portion 31c, thus as shown in Figure 3 by embedded components 10 to
Epimere 32 side shifting, by slit press-in portion 31c press-in to slit portion 112a.Now, by fixing pawl
22a, 23a are embedded in fixing hole 32a of epimere 32.And, as shown in Figure 4 by fixing pawl 22a,
23a bending, self is fixed to support housing 3 by reinforcing plate 2.It addition, six prism portions of butt joint 11
The part of the angle A of six prisms of 112 rivets to support housing 3 side.By this riveting by six prisms
Face, the limit part the most somewhat bulging of angle A clamping, joint 11 and support housing 3 are further by firmly
Fixing.
Assemble as shown above, then the base plate 21 becoming reinforcing plate 2 is pressed into fixed to slit portion 112a's
The state of the lower surface clamping at the base plate 31 of support housing 3 and the junction surface 111 of joint 11.It addition, connect
The six prism portions 112 of 11 are embedded in the hexagonal inserting hole 21a of reinforcing plate 2, connect so preventing
Head unit 1 rotates around axis L relative to reinforcing plate 2.Thus, embedded components 10 is firmly secured to
Support housing 3.
Additionally, fine motion position adjusting screw 42 is positioned at the position of the adjustment screw 32c of epimere 32.That is, micro-
Dynamic position adjusting screw 42 is not positioned at the face side of this pressure follow-up switch, it is possible to prevent the nothings such as user
Meaning operates this fine motion position adjusting screw 42.
Above pressure follow-up switch is the pressure of the various fluids such as the cold-producing medium of the compressor of detection freeze cycle
The switch of power, but the temperature switch shown in Figure 10 can also be constituted with this pressure follow-up switch.
Temperature switch such as Figure 10 connects through support 14 and sense relative to the flare tube fitting portion 113 of joint 11
The capillary tube 30 of temperature cylinder 20 connection.Additionally, in the display part of the main body of Fig. 9 and Figure 10, in Fig. 9
Showing for the scale with pressure correlation, the scale that Figure 10 is relevant to temperature shows.
In the 1st above embodiment, only it is provided with a connector unit 1, but can also be such as patent literary composition
Offer 1 like that, high side pressure and low-pressure lateral pressure are respectively provided with connector unit, use and the above-mentioned 1st
The installation constitution that the connector unit 1 of embodiment, reinforcing plate 2 and support housing 3 are identical.
Figure 11 to Figure 13 is the longitudinal section of other the embodiment representing connector unit, Figure 12 and
In Figure 13, give identical reference to the key element identical with Figure 11 and omit detailed description.
Connector unit 7A shown in Figure 11 is at Huang by various joint methods such as soldering, soldering, welding
Joint 71 made of copper engages corrugated tube 72 and obtains.Joint 71 is formed by machining, by connecing
Close the columned junction surface 711 of corrugated tube 72, be formed as six ribs as " prism portion " of six prisms
Post portion 712, it is formed on the outer periphery the flare tube fitting portion 713 of external screw thread 713a, arranges from junction surface 711
In the corrugated tube as " corrugated tube guiding piece " of the inner side of corrugated tube 72, guiding piece 714 is constituted.And
And, in the both sides in six prism portions 712, the side close to junction surface 711 is formed with 2 slit portion 712a.
Additionally, joint 71 be centrally formed with will lead from the fluid of not shown pipe arrangement (fluid ingress pipe)
Enter the entrance hole 71a in corrugated tube 72.
In this connector unit 7A, height (length in the axis L direction) D1 of the root of side, junction surface 711
For the size identical with the thickness of the base plate 21 of above-mentioned reinforcing plate 2, and, the width (axle of slit portion 712a
The length in line L direction) D2 is the size identical with the thickness of the base plate 31 of above-mentioned support housing 3.And,
In this connector unit 7A, also identical with above-mentioned embodiment, fixing above-mentioned in slit portion 712a press-in
The base plate 31 of support housing 3, by the junction surface 711 of the base plate 31 of this support housing 3 and joint 71
Lower surface clamps the base plate 21 of above-mentioned reinforcing plate 2.It addition, six prism portions 712 of joint 71 are embedded in and add
The hexagonal above-mentioned inserting hole 21a of strong plate 2, so preventing connector unit 7A relative to reinforcing plate 2
Rotate around axis L.Thus, embedded in connector unit 7A and above-mentioned operating member in reinforcing plate 2
Embedded components is firmly secured to support housing 3.
In corrugated tube, guiding piece 714 is the cylindrical shape centered by axis L, and its external diameter is than corrugated tube 72
Internal diameter (diameter of valley) the least.Thus in corrugated tube, the side of guiding piece 714 becomes and corrugated tube
The state of the inner side abutment of 72.At the top 72a abutting action accessory 41 of corrugated tube 72, such as, applying
When having excessive high pressure, by action accessory 41 and joint 71 the two of the axis L direction of corrugated tube 72
End is fixed.Therefore, when corrugated tube 72 is to be deformed, exist corrugated tube 72 wrinkle portion a part to
The situation of axis L Direction distortion, but the deformation of the radial direction relative to the axis L of corrugated tube 72 is limited
System.Therefore, putting on the load of corrugated tube 72, to become ratio more uniform, and the resistance to pressure of corrugated tube 72 uprises.
Connector unit 7B as shown in figure 12 is by joint 71, prism portion 712, junction surface 711, six, loudspeaker
Pipe joint portion 713, peripheral end from junction surface 711 are arranged at the conduct " ripple in the outside of corrugated tube 72
Stricture of vagina pipe guiding piece " the outer guiding piece 715 of corrugated tube constitute.The embedding group of this connector unit 7B will be embedded in
Part is fixed on the structure of support housing 3 and effect is identical with the explanation of the connector unit 7A of Figure 11.
The outer guiding piece 715 of corrugated tube is the drum centered by axis L, and its internal diameter is than corrugated tube 72
External diameter (diameter in mountain portion) slightly larger.Thus the inner surface of the outer guiding piece 715 of corrugated tube becomes and corrugated tube
The state that the outside of 72 is adjacent.Therefore, same as described above, such as when applying excessive high pressure, ripple
When pipe 72 is to be deformed, there is the part in wrinkle portion of corrugated tube 72 to the situation of axis L Direction distortion,
But the deformation of the radial direction relative to the axis L of corrugated tube 72 is limited.Therefore, corrugated tube is put on
It is more uniform that the load of 72 becomes ratio, and the resistance to pressure of corrugated tube 72 improves.
Connector unit 7C is by joint 71, prism portion 712, junction surface 711, six, loudspeaker as shown in fig. 13 that
Pipe joint portion 713, the inner side being arranged at corrugated tube 72 from junction surface 711 corrugated tube in guiding piece 714,
The corrugated tube in the outside being arranged at corrugated tube 72 from the peripheral end at junction surface 711, guiding piece 715 is constituted.
The embedded components that embedded in this connector unit 7C is fixed on the structure of support housing 3 and effect with to figure
As the explanation of the connector unit 7A of 11.
The joint list of the action effect of the outer guiding piece 715 of guiding piece 714 and corrugated tube and Figure 11 in corrugated tube
The connector unit 7B of unit 7A and Figure 12 is identical, by guiding piece in corrugated tube in this connector unit 7C
714 and the effect of both sides of the outer guiding piece 715 of corrugated tube, and such as it is applied with excessive high pressure, corrugated tube
72 to be deformed time, the deformation of the radial direction relative to the axis L of corrugated tube 72 is further restricted, and executes
The load being added on corrugated tube 72 becomes uniform, and the resistance to pressure of corrugated tube 72 uprises.
In above embodiment, in corrugated tube the outer guiding piece 715 of guiding piece 714 and corrugated tube by with
Junction surface 711(joint 11) integrally formed and formed, but can also be guiding piece 714 in this corrugated tube
And the both sides of the outer guiding piece 715 of corrugated tube or any one party are pressed into by recess and being fitted together to of protuberance
Junction surface 711 is integrally constituted.
Figure 14 is being made up of corrugated tube and joint of the pressure follow-up switch by the 2nd embodiment of the present invention
Embedded components be installed on the stereoscopic figure before support housing, Figure 15 is by the 2nd of present invention enforcement
The embedded components of the pressure follow-up switch of mode is fixed on the stereoscopic figure of the installment state of support housing.This
Outward, give identical with Fig. 1 to Fig. 8 for the key element identical with the 1st embodiment in the 2nd embodiment
Reference and omit detailed description.
The difference of the connector unit 1 ' of the 2nd embodiment and the connector unit 1 of the 1st embodiment is,
It is formed relative to the six prism portions 112 as " prism portion " of the connector unit 1 at the 1st embodiment
Slit portion 112a, in the six prism portions as " prism portion " of the connector unit 1 ' of the 2nd embodiment
112 ' have been formed without slit portion this point.And, the support housing 3 ' and the 1st of the 2nd embodiment
The difference of the support housing 3 of embodiment is, relative to the end of the support housing 3 at the 1st embodiment
Plate 31 is formed with inserting hole 31a and notch 31b, at the base plate of the support housing 3 ' of the 2nd embodiment
The 31 hexagonal press-in hole 31e this point being formed with the six prism portions 112 ' for inserting joint 11.
Press-in hole 31e is formed at corresponding for the notch 31b position with the 1st embodiment.And, press-in
The internal diameter of hole 31e is formed as less than the external diameter in six prism portions 112 '.Further, by by joint 11
Six prism portions 112 ' be pressed in press-in hole 31e along axis L direction, thus assemble connector unit 1 '
Embedded components 10 be fixed on support housing 3 '.Further, the six of six prism portions 112 ' of butt joint 11
The part of the angle A of prism rivets to support housing 3 ' side.By this riveting by the angle A of six prisms
Face, the limit part the most somewhat bulging of clamping, joint 11 and support housing 3 ' are further by firmly solid
Fixed.That is, the base plate 21 becoming reinforcing plate 2 is supported by base plate 31 and the joint of joint 11 of housing 3 '
The state of the lower surface clamping in portion 111.It addition, six prism portions 112 ' of joint 11 are embedded in reinforcing plate 2
Hexagonal inserting hole 21a and press-in hole 31e of support housing 3 ', so preventing connector unit 1 '
Rotate around axis L.Thus, embedded components 10 is firmly secured to support housing 3 '.
The connector unit 1 ' of connector unit the 1 and the 2nd embodiment of the 1st embodiment can be such as Figure 11
Shown in guiding piece 714 in corrugated tube is set, it is also possible to the outer guiding piece 715 of corrugated tube is set as shown in figure 12,
Guiding piece 714 and the outer guiding piece 715 of corrugated tube in corrugated tube can also be set as shown in figure 13.
It addition, in the 1st embodiment and the 2nd embodiment, with the prism portion of joint be six prisms,
The inserting hole of reinforcing plate is to be illustrated in case of hexagon, if but this prism portion and inserting hole
Be be prevented from joint rotate shape, prism portion be triangular prism, quadrangular, pentagonal prism, other
Regular polygon prism, the inserting hole of reinforcing plate is the polygon mated with prism portion respectively.It addition,
Prism, polygon can also be the shapes as star.It addition, about the support housing 3 ' of the 2nd embodiment
Press-in hole 31 and the shape in prism portion (six prism portions 112 ') of joint 11, the most same as described above.
The explanation of reference
1 connector unit, 11 joints, 12 corrugated tubes, 111 junction surfaces, 112 6 prism portion (ribs
Post portion), 113a external screw thread, 113 flare tube fitting portions, 112a slit portion (slit), 2 strengthen
Plate, 21 base plates, 21a inserting hole, 22 side plates, the fixing pawl of 22a, 23 top boards, 23a
Fixing pawl, 3 support housings, 31 base plates, 31a inserting hole, 31b notch, 31c slit
Press-in portion, 32 epimeres, 32a fixing hole, the fixing boss of 32b, 32c adjusts screw, and 4
Operating member, 41 action accessories, 41a substrate, 41b actuating strut, 41c internal thread part, 42
Fine motion position adjusting screw, 43 operating pressures adjust spring, 44 pressing plates, and 45 scopes adjust screw,
5 microswitch (mechanical switch), 6 outer housings, 1 ' connector unit, 112 ' six prism portion (ribs
Post portion), 3 ' support housings, 31e press-in hole, 7A connector unit, 71 joints, 72 ripples
Pipe, 711 junction surfaces, 712 6 prism portions (prism portion), and 712a slit portion (slit), 713
Flare tube fitting portion, guiding piece (corrugated tube guiding piece) in 714 corrugated tubes, 7B connector unit, 715
The outer guiding piece (corrugated tube guiding piece) of corrugated tube, 7C connector unit, 10 embedded components, 31e
Press-in hole.
Claims (11)
1. a pressure follow-up switch, it possesses and is bonded in the connector unit of corrugated tube, embedding at joint
State the reinforcing plate of connector unit and assemble above-mentioned reinforcing plate and the mechanical switch interlocked with above-mentioned corrugated tube
Support housing,
Above-mentioned pressure follow-up switch is characterised by,
The first inserting hole of the above-mentioned joint inserting above-mentioned connector unit it is formed with in above-mentioned reinforcing plate,
It is formed with notch at above-mentioned support housing,
Above-mentioned joint at above-mentioned connector unit is formed with outer peripheral portion narrow that can be pressed into above-mentioned notch
The slit of seam press-in portion,
Insert to above-mentioned first inserting hole from the inboard of above-mentioned reinforcing plate by the above-mentioned joint of above-mentioned connector unit,
Further, by the above-mentioned slit of above-mentioned slit press-in portion press-in to above-mentioned joint, with this reinforcing plate by this joint list
The press-in of this joint is fixed to this support housing by the mode of first and above-mentioned support housing clamping, thus by this joint
Unit is installed to above-mentioned support housing.
Pressure follow-up switch the most according to claim 1, it is characterised in that
Above-mentioned support housing be formed the above-mentioned joint inserting above-mentioned connector unit the second inserting hole and from
The above-mentioned notch of the rectangle that this second inserting hole extends,
Via above-mentioned second inserting hole of above-mentioned support housing, by the press-in of above-mentioned slit press-in portion to above-mentioned joint
Above-mentioned slit.
Pressure follow-up switch the most according to claim 1, it is characterised in that
Embed above-mentioned connector unit in above-mentioned reinforcing plate and interlock and make above-mentioned mechanical switch with above-mentioned corrugated tube
The operating member of action.
Pressure follow-up switch the most according to claim 1, it is characterised in that
The root of the side being positioned at above-mentioned corrugated tube of above-mentioned joint is prism, above-mentioned the first of above-mentioned reinforcing plate
Inserting hole is the polygonal hole mated with this prism.
Pressure follow-up switch the most according to claim 2, it is characterised in that
The root of the side being positioned at above-mentioned corrugated tube of above-mentioned joint is prism, above-mentioned the first of above-mentioned reinforcing plate
Inserting hole is the polygonal hole mated with this prism.
Pressure follow-up switch the most according to claim 4, it is characterised in that
When above-mentioned connector unit is installed to above-mentioned support housing, above-mentioned to above-mentioned connector unit
The corner of the prism of joint rivets to the side of above-mentioned support housing.
Pressure follow-up switch the most according to claim 5, it is characterised in that
When above-mentioned connector unit is installed to above-mentioned support housing, above-mentioned to above-mentioned connector unit
The corner of the prism of joint rivets to the side of above-mentioned support housing.
Pressure follow-up switch the most according to claim 1 and 2, it is characterised in that
Possesses temperature sensing tube, when above-mentioned connector unit is installed to above-mentioned support housing, with above-mentioned sense
The capillary tube of temperature cylinder connection is connected with the above-mentioned joint of above-mentioned connector unit.
Pressure follow-up switch the most according to claim 1 and 2, it is characterised in that
Possess in the inner side of above-mentioned corrugated tube of above-mentioned connector unit and/or outside and limit the relative of this corrugated tube
The corrugated tube guiding piece of deformation in the radial direction of axis.
10. a connector unit, is the connector unit for the pressure follow-up switch described in claim 4,
It is characterized in that,
In above-mentioned joint, become the bonding part engaged with above-mentioned corrugated tube the above-mentioned reinforcing plate of ratio above-mentioned
The big junction surface of the diameter of one inserting hole with constitute above-mentioned prism and be positioned at the prism portion of root of above-mentioned joint
Form, above-mentioned prism portion leave from above-mentioned junction surface corresponding with the thickness of above-mentioned reinforcing plate away from
From position on be formed with above-mentioned slit.
11. connector units according to claim 10, it is characterised in that
The radius side relative to axis limiting this corrugated tube is possessed in the inner side of above-mentioned corrugated tube and/or outside
To the corrugated tube guiding piece of deformation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610575640.4A CN106158506B (en) | 2011-09-08 | 2012-03-27 | Pressure follow-up switch |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011195934 | 2011-09-08 | ||
| JP2011-195934 | 2011-09-08 | ||
| PCT/JP2012/057903 WO2013035365A1 (en) | 2011-09-08 | 2012-03-27 | Pressure-activated switch and joint unit |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610575640.4A Division CN106158506B (en) | 2011-09-08 | 2012-03-27 | Pressure follow-up switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103733292A CN103733292A (en) | 2014-04-16 |
| CN103733292B true CN103733292B (en) | 2016-08-17 |
Family
ID=47831832
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610575640.4A Active CN106158506B (en) | 2011-09-08 | 2012-03-27 | Pressure follow-up switch |
| CN201280038964.4A Active CN103733292B (en) | 2011-09-08 | 2012-03-27 | Pressure follow-up switch and connector unit |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610575640.4A Active CN106158506B (en) | 2011-09-08 | 2012-03-27 | Pressure follow-up switch |
Country Status (6)
| Country | Link |
|---|---|
| JP (2) | JP5676768B2 (en) |
| KR (1) | KR101639924B1 (en) |
| CN (2) | CN106158506B (en) |
| MX (1) | MX2014002239A (en) |
| TW (1) | TWI467614B (en) |
| WO (1) | WO2013035365A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990573B (en) * | 2015-06-30 | 2017-12-05 | 佛山市顺德区美的饮水机制造有限公司 | Water purifier and its pressure switch |
| TWI627651B (en) * | 2018-01-18 | 2018-06-21 | Nat Chung Shan Inst Science & Tech | Ripple type pressure switch |
| JP7105742B2 (en) | 2019-07-31 | 2022-07-25 | 株式会社鷺宮製作所 | pressure switch |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2489419A (en) * | 1945-02-10 | 1949-11-29 | Gen Motors Corp | Pressure responsive switch |
| CN201397479Y (en) * | 2009-05-10 | 2010-02-03 | 方云 | Single pressure controller |
| CN202018920U (en) * | 2010-12-29 | 2011-10-26 | 沈阳沈变所电气科技有限公司 | Quick-acting oil pressure relay |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS504696Y1 (en) * | 1973-04-19 | 1975-02-07 | ||
| FR2523722A1 (en) * | 1982-03-17 | 1983-09-23 | Alsthom Atlantique | Differential manometer giving electrical output indication - includes sealed bellows arranged to operate three microswitches sequentially when ambient pressure falls |
| JPS599450U (en) * | 1982-07-10 | 1984-01-21 | 兵田計器工業株式会社 | temperature compensated pressure switch |
| JPS6489129A (en) * | 1987-09-30 | 1989-04-03 | Anritsu Corp | Electromagnetic relay |
| JPH0220247U (en) * | 1988-07-25 | 1990-02-09 | ||
| JPH0289734U (en) * | 1988-12-28 | 1990-07-17 | ||
| JPH0697584B2 (en) * | 1991-02-28 | 1994-11-30 | 株式会社ノーリツ | Operation switch for water |
| CN2138832Y (en) * | 1992-06-04 | 1993-07-21 | 于之文 | Air density controller |
| JPH0642659A (en) * | 1992-07-22 | 1994-02-18 | Nippondenso Co Ltd | Pressure regulating valve |
| JPH0617083U (en) * | 1992-07-31 | 1994-03-04 | 太平洋工業株式会社 | pressure switch |
| CN2195792Y (en) * | 1994-05-13 | 1995-04-26 | 施一宏 | Overvoltage protective device for liquid-filling electric heater |
| JPH10334780A (en) * | 1997-06-04 | 1998-12-18 | Fuji Koki Corp | Pressure responding switch |
| CN2807448Y (en) * | 2005-05-31 | 2006-08-16 | 王健能 | Minitype pressure controller |
| CN201622093U (en) * | 2010-03-10 | 2010-11-03 | 光阳产业股份有限公司 | Gas meter connector |
-
2012
- 2012-03-27 JP JP2013532468A patent/JP5676768B2/en active Active
- 2012-03-27 CN CN201610575640.4A patent/CN106158506B/en active Active
- 2012-03-27 WO PCT/JP2012/057903 patent/WO2013035365A1/en active Application Filing
- 2012-03-27 CN CN201280038964.4A patent/CN103733292B/en active Active
- 2012-03-27 KR KR1020147004169A patent/KR101639924B1/en active IP Right Grant
- 2012-03-27 MX MX2014002239A patent/MX2014002239A/en active IP Right Grant
- 2012-09-04 TW TW101132197A patent/TWI467614B/en active
-
2014
- 2014-12-24 JP JP2014260594A patent/JP5916165B2/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2489419A (en) * | 1945-02-10 | 1949-11-29 | Gen Motors Corp | Pressure responsive switch |
| CN201397479Y (en) * | 2009-05-10 | 2010-02-03 | 方云 | Single pressure controller |
| CN202018920U (en) * | 2010-12-29 | 2011-10-26 | 沈阳沈变所电气科技有限公司 | Quick-acting oil pressure relay |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5676768B2 (en) | 2015-02-25 |
| MX2014002239A (en) | 2014-08-27 |
| CN106158506B (en) | 2018-11-06 |
| CN103733292A (en) | 2014-04-16 |
| TW201322297A (en) | 2013-06-01 |
| JP5916165B2 (en) | 2016-05-11 |
| WO2013035365A1 (en) | 2013-03-14 |
| TWI467614B (en) | 2015-01-01 |
| KR20140048992A (en) | 2014-04-24 |
| JP2015099781A (en) | 2015-05-28 |
| KR101639924B1 (en) | 2016-07-14 |
| JPWO2013035365A1 (en) | 2015-03-23 |
| CN106158506A (en) | 2016-11-23 |
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