CN109807250A - A kind of expander and tightening two-in-one tool - Google Patents
A kind of expander and tightening two-in-one tool Download PDFInfo
- Publication number
- CN109807250A CN109807250A CN201910143002.9A CN201910143002A CN109807250A CN 109807250 A CN109807250 A CN 109807250A CN 201910143002 A CN201910143002 A CN 201910143002A CN 109807250 A CN109807250 A CN 109807250A
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- expander
- oil
- valve body
- tightening
- sliding sleeve
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- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 abstract description 10
- 239000003921 oil Substances 0.000 description 112
- 230000000694 effects Effects 0.000 description 10
- 230000006870 function Effects 0.000 description 10
- 239000010720 hydraulic oil Substances 0.000 description 6
- 239000000446 fuel Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention belongs to the technical fields of hydraulic tool, and in particular to a kind of hydraulic tool for integrating expander and tightening.A kind of expander and tightening two-in-one tool, including cylinder body, tube expander and sliding sleeve tightener are equipped in the cylinder body, oil circuit reversing mechanism is equipped between tube expander and sliding sleeve tightener, oil circuit reversing mechanism included oily connector, tube expander and sliding sleeve tightener are integrally formed and were rotatably arranged on oily connector, commutation valve body is equipped in cylinder body, expander oil cylinder and sliding sleeve tightening oil cylinder are respectively equipped on commutation valve body, it crosses in oily connector and forms oil discharge passage, oil discharge passage is connected to expander oil cylinder by the valve body that commutates and sliding sleeve tightens oil cylinder.Of the invention a kind of expander and tightening two-in-one tool solve the problems, such as that existing expanding tool or tightener are used separately by the way that oil circuit reversing mechanism is by expander and sliding sleeve setting is integral uses.
Description
Technical field
The invention belongs to the technical fields of hydraulic tool, and in particular to a kind of hydraulic work for integrating expander and tightening
Tool.
Background technique
The function of expanding tool is that one end of pipe fitting is squeezed widened device, and the opening of pipe fitting can be made to strut and expand
Greatly, the function of tightener is the device that sliding sleeve is smoothly inserted in pipe fitting bellend, and the two combines convenient for pipe fitting is mutually close
Engagement.But existing expanding tool or tightener often only have single function, it is therefore desirable to logical when expander and tightening processing
It often needs that expanding tool and tightener is separately configured, this not only increases cost, and brings inconvenience to user.
Summary of the invention
The object of the present invention is to provide a kind of expanders and tightening two-in-one tool, by oil circuit reversing mechanism by expander and cunning
Set is arranged to integrated use, solves the problems, such as that existing expanding tool or tightener are used separately.
The object of the present invention is achieved like this: a kind of expander and tightening two-in-one tool, including cylinder body, in the cylinder body
Equipped with tube expander, sliding sleeve tightener and excessively oily connector, the cylinder body is rotatably arranged around the excessively oily connector；The tube expander
It is respectively arranged with commutation valve body with sliding sleeve tightener side, expander oil cylinder and sliding sleeve tightening oil are respectively equipped on the upside of commutation valve body
The side of cylinder, excessively oily connector is connected to by the valve body that commutates with tube expander or sliding sleeve tightener.
Preferably, the commutation valve body includes being connected to the first valve body of expander oil cylinder and the second valve for being connected to sliding sleeve tightener
Body；The oil discharge passage passes sequentially through the second valve body and is connected to sliding sleeve tightening oil cylinder；The oil discharge passage passes sequentially through the first valve
Body is connected to expander oil cylinder.
Preferably, the side of oily connector excessively offers eccentric annular groove；Formed in the reversal valve body oil duct one and with
The oil duct two that oil duct one is connected, oil discharge passage are connected to oil duct one, and the first elastic component, peace in oil duct two are installed in oil duct one
Equipped with the second elastic component, position limiting sealed part, the first elastic component and the second elasticity are equipped between the first elastic component and the second elastic component
Part is connected to position limiting sealed part two sides respectively, and the oil duct two is connected with sliding sleeve tightening oil cylinder；The bullet of first elastic component
Power is greater than the elastic force of the second elastic component.
Preferably, the arc-shaped shape of the eccentric annular groove, the radian that the bottom of eccentric annular groove is deviateed from circle center become larger.
Preferably, second valve body includes limit base, is equipped with guide holder in limit base, the first elastic component, which is installed in, leads
Into seat, guide holder is slidably arranged on eccentric annular groove.
Preferably, the distance of axial line of the guide holder end face of second valve body to oil discharge passage is less than the first valve body
Guide holder end face to oil discharge passage axial line distance.
Preferably, it is installed with rotational positioning lid below the cylinder body, forms rotary stopper slot, the rotation on excessively oily connector
Turn to be equipped with rotational positioning steel ball below locating cover, rotational positioning steel ball is rotatably provided on rotary stopper slot.
Preferably, expander piston is provided in the expander oil cylinder, expander piston is equipped with piston reset spring, the expansion
The front end of pipe piston is connected with thimble, and expander piston is extended on thimble, be provided with outside expander oil cylinder fixed chuck and
Active chuck on fixed chuck is set, and the rear end of fixed chuck is located in the tube body of expander oil cylinder, and thimble is installed in solid
Clamp head front end is simultaneously arranged in active chuck, and disc spring is equipped between active chuck and fixed chuck, and thimble is connected in disc spring,
Drive thimble that the elastic force of disc spring is overcome to drive forwards by expander piston.
Preferably, the commutation valve body connection setting forms fuel-displaced logical in oily connector two sides excessively, the excessively oily connector
Road, oil discharge passage one end are equipped with the first oilhole, and described commutation valve body one end is equipped with the second oilhole compatible with the first oilhole, the
One oilhole is connected to the second oilhole.
Preferably, limiting slot is formed on the excessively oily connector, limit base is connected on limiting slot.
The present invention is prominent and beneficial compared with prior art to be had the technical effect that when in use, only need to be by by reversing mechanism
180 ° of rotation can use two kinds of any one functions of tube expander and sliding sleeve tightener on same tool, make tube expanding function and receipts
Tight function is integrated in one, and makes the reduction of tool cost, promotes the convenience of carrying and operation, and is driven respectively with two oil cylinders
Dynamic, oil consumption is reduced, and driving force is strong.
Detailed description of the invention
Fig. 1 is the perspective view of expander and sliding sleeve tightening two-in-one tool in the embodiment of the present invention.
Fig. 2 is the structure diagram of oil circuit reversing mechanism in the embodiment of the present invention.
Fig. 3 is the partial enlarged view at Fig. 2A.
Fig. 4 is horizontal sectional view in Fig. 1 (tube expander and sliding sleeve tightener).
Appended drawing reference: 1- tube expander；1-4 thimble；1-5 expander piston；1-6 fixed chuck；1-7 active chuck；1-8 dish
Spring；2- sliding sleeve tightener；3- oil circuit reversing mechanism；The excessively oily connector of 4-；5- cylinder body；6- commutation valve body；6-1 oil duct one；6-2 oil duct
Two；7- oil discharge passage；The first elastic component of 7-1；The second elastic component of 7-2；8- expander oil cylinder；9- sliding sleeve tightens oil cylinder；9-1 sliding sleeve is received
Tight piston；10- position limiting sealed part；11- rotational positioning lid；12- rotary stopper slot；13- rotational positioning steel ball；15- fuel feed hole；
16- positioning pin；17- resilient key；The first oilhole of 18-；The second oilhole of 19-；The first valve body of 20-；The second valve body of 21-；22- guiding
Seat；23- limit base；24- bias annular groove；25- limiting slot.
Specific embodiment
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
The realization for the sliding sleeve tightener that the present invention mentions with specific reference to applicant find one application No. is:
201621029886.3 a kind of Chinese patents of tube expander and sliding sleeve tightener Quick Connect Kit, in the documents
One end of pipe fitting is squeezed widened device by " sliding sleeve tightener ", and the opening of pipe fitting can be made to strut and expand, can be obtained from above,
" sliding sleeve tightener " in the documents can be directly used in " sliding sleeve tightener " in the application, and the two effect is identical
Its principle be also identical, it can be replaced.
A kind of expander and tightening two-in-one tool, including cylinder body 5 are equipped with tube expander 1 and sliding sleeve tightener 2 in cylinder body 5, expand
Oil circuit reversing mechanism 3 is equipped between pipe device 1 and sliding sleeve tightener 2, tube expander 1 and sliding sleeve tightener 2 are wholely set, tube expander 1
Oily connector 4 was surrounded with sliding sleeve tightener 2 to rotate；Oil circuit reversing mechanism 3 included oily connector 4, tube expander 1 and sliding sleeve tightener
2 are integrally formed and were rotatably arranged on oily connector 4, and commutation valve body 6 is equipped in cylinder body 5, is respectively equipped with expander on the valve body 6 that commutates
Oil cylinder 8 and sliding sleeve tighten oil cylinder 9, and oil discharge passage 7 is formed in excessively oily connector 4, and the connection of commutation valve body 6 setting connects in oil excessively
First 4 two sides, the connection of commutation valve body 6 setting form oil discharge passage 7 in 4 two sides of oily connector excessively, the excessively oily connector 4,
7 one end of oil discharge passage is equipped with the first oilhole 18, and described 6 one end of commutation valve body is equipped with second oilhole compatible with the first oilhole 18
19, the first oilhole 18 is connected to the second oilhole 19；The commutation valve body 6 includes the first valve body 20 of connection expander oil cylinder 8 and connects
Second valve body 21 of logical sliding sleeve tightener 2, the second valve body 21 are opened, and the first valve body 20 is closed, and the oil discharge passage 7 passes sequentially through
Second valve body 21 is connected to sliding sleeve tightening oil cylinder 9；Reversing mechanism is rotated 180 °, the second valve body 21 is closed, and the first valve body 20 is beaten
It opens, the oil discharge passage 7 passes sequentially through the first valve body 20 and is connected to expander oil cylinder 8.
4 side of the oily connector excessively offers eccentric annular groove 24 and limiting slot 25, and the design of limiting slot is so that limit base 23
Its position can be limited, is not shaken, and after limit, guide holder 22 is pushed in limit base 23, second valve
Body 21 includes the limit base 23 being connected on limiting slot 25, is led in limit base 23 equipped with the guide holder 22 for forming the second oilhole 19
It is connected on eccentric annular groove 24 to 22 one end of seat；One 6-1 of oil duct is formed in the limit base 23 and is connected with one 6-1 of oil duct
Two 6-2 of oil duct, oil discharge passage 7 is connected to one 6-1 of oil duct, and the first elastic component 7-1, two 6-2 of oil duct are installed in one 6-1 of oil duct
It is inside installed on the second elastic component 7-2, position limiting sealed part 10, the first bullet are equipped between the first elastic component 7-1 and the second elastic component 7-2
Property part 7-1 and the second elastic component 7-2 be connected to 10 two sides of position limiting sealed part respectively, two 6-2 of oil duct and sliding sleeve tighten oil cylinder 9
It is connected, then the oil circuit of sliding sleeve tightening is opened；The first elastic component 7-1 in first valve body 20 is pressed in the first valve body 20
Position limiting sealed part 10, the position limiting sealed part 10 in the first valve body 20, which is connected on two 6-2 of oil duct, forms sealing, then the oil of tube expander
Road is closed.
Only it need to make to expand by the way that cylinder body 5 is rotated 180 ° of usage modes that can arbitrarily switch tube expander and sliding sleeve tightener
Pipe function and tightening function are integrated in one, and make the reduction of tool cost, promote the convenience of carrying and operation, and respectively with two
Oil cylinder is driven, and oil consumption is reduced, and driving force is strong.
The elastic force of the first elastic component 7-1 must be greater than the elastic force of the second elastic component 7-2, and the second elastic component 7-2 is
Little spring, it is big spring that the first elastic component 7-1, which is arranged in two 6-2 of oil duct, in little spring, and big spring is arranged in one 6-1 of oil duct.
The position limiting sealed part 10 is sealed steel ball.
So that big spring is no longer on compressive state, big spring is abutted by guide holder 22 for the design of the bias annular groove 24
On eccentric annular groove 24, the arc-shaped shape of eccentric annular groove 24, the radian that the bottom of eccentric annular groove 24 is deviateed from circle center is become larger,
When rotating oily connector 4, be stuck in big spring in radian can along radian slowly close to 24 bottom centre of eccentric annular groove, thus
Big spring is extended, while but also the sealed steel ball of sliding sleeve crimped end makes sealed steel ball under the effect of little spring elastic force
It is no longer connected on two 6-2 of oil duct, little spring pushes sealed steel ball, and sealed steel ball pushes big spring, and big spring pushes guide holder
22, guide holder 22 is pushed to forward eccentric annular groove 24, and at this moment oil circuit is opened, oil discharge passage 7, one 6-1 of oil duct, two 6-2 phase of oil duct
It is connected in sliding sleeve tightening oil cylinder 9, hydraulic oil is delivered to by one 6-1 of oil duct by oil discharge passage 7, hydraulic oil is along two 6- of oil duct
2, which enter sliding sleeve, tightens oil cylinder 9.
Expander piston 1-5 is provided in the expander oil cylinder 8, expander piston 1-5 is equipped with piston reset spring 1-1, institute
The front end for stating piston rod 2 is connected with thimble 1-4, and expander piston 1-5 is extended on thimble 1-4, is arranged outside expander oil cylinder 8
The rear end of the active chuck 1-7 for having fixed chuck 1-6 and being arranged on fixed chuck 1-6, fixed chuck 1-6 are located at expander oil
In the tube body of cylinder 8, thimble 1-4 is installed on the front end fixed chuck 1-6, and dish is equipped between active chuck 1-7 and fixed chuck 1-6
Spring 1-8, thimble 1-4 are arranged in active chuck 1-7, and thimble 1-4 is connected on disc spring 1-8, drive thimble by expander piston 1-5
1-4 overcomes the elastic force of disc spring 1-8 to drive forwards.
The advantages of disc spring:
1. disk spring bears great load in a smaller space.Compared with other kinds of spring, disk spring
The deformation of unit volume can be larger.With good buffering damping capaicty, when being combined especially with overlapping, due to mantle friction
Drag effect, the effect for absorbing impact and dissipation energy are more significant.
2. disk spring has variation rigidity characteristic.Change the ratio of truncated cone height and disk thickness in disk, it is available
Different spring characteristic curves can be linear type, cumulative type, decrescence type or their combining form.Can additionally it lead to
It crosses and is combined by different-thickness disk or variation rigidity characteristic is obtained by the various combination mode of different the piece numbers overlapping disk.
3. combining form of the disk spring due to changing disk quantity or disk, available different bearing capacity and spy
Linearity curve, therefore the disk of every kind of size are adapted to very extensive use scope, this compares the preparation of spare part and management all
It is easier to.
4. the size of each disk is little in bearing the very cluster spring of big load, is conducive to manufacture and be heat-treated.When
It when some disks damage, need to only replace individually, thus be conducive to maintenance and repair.
5. the correct butterfly spring for designing, manufacturing, has very long service life.
6. power is that concentric manner concentrates transmitting since disk spring is ring-shaped.
Because there is these advantages, therefore the present invention uses disk spring, and the setting of disc spring 1-8 of the invention is in active chuck
Between 1-7 and fixed chuck 1-6, enables thimble 1-4 quickly and expander mold separation, substantially increase expander efficiency.
Preferably, it is provided with resilient key 17 between the thimble 1-4 and expander piston 1-5, by resilient key 17 by thimble
1-4 and expander piston 1-5 achievees the effect that fixed and limits, to ensure that the quality of expander, on the expander piston 1-5 also
Equipped with limit stop ring, limit stop ring limits the moving distance of its expander piston 1-5.
The oil inlet end of the tube expander and sliding sleeve tightener is equipped with fuel feed hole 15, and expander oil cylinder 8 and sliding sleeve tightening oil cylinder 9 divide
Not Tong Guo fuel feed hole 15 enter in tube expander and sliding sleeve tightener.
It is installed with rotational positioning lid 11 below the cylinder body 5, forms rotary stopper slot 12, the rotation on excessively oily connector 4
Turn to be equipped with the rotational positioning steel ball 13 being rotatably provided on rotary stopper slot 12 below locating cover 11, cylinder body 5 is fixed by rotation
Position steel ball 13 rotates on excessively oily connector 4.
Cylinder body 5 rotates 180 ° by rotational positioning steel ball 13, when hearing click, it was demonstrated that rotational positioning steel ball 13 is
It is caught in rotary stopper slot 12, steel ball completes positioning, and sliding sleeve tightener 2 is aligned with starting switch, oil discharge passage 7 and the valve body that commutates
6 connect.
Expander piston 1-5 is provided in the expander oil cylinder 8, expander piston 1-5 is equipped with piston reset spring 1-1, institute
The front end for stating piston rod 2 is connected with thimble 1-4, and expander piston 1-5 is extended on thimble 1-4, is arranged outside expander oil cylinder 8
The rear end of the active chuck 1-7 for having fixed chuck 1-6 and being arranged on fixed chuck 1-6, fixed chuck 1-6 are located at expander oil
In the tube body of cylinder 8, thimble 1-4 is installed on the front end fixed chuck 1-6, and dish is equipped between active chuck 1-7 and fixed chuck 1-6
Spring 1-8, thimble 1-4 are arranged in active chuck 1-7, and thimble 1-4 is connected on disc spring 1-8, drive thimble by expander piston 1-5
1-4 overcomes the elastic force of disc spring 1-8 to drive forwards.
Positioning pin 16 is equipped between the cylinder body 5 and rotational positioning lid 11, by making cylinder body 5 when rotated will not be inclined
It moves.
When the rotational positioning steel ball 13 at tube expander end is turned on rotary stopper slot 12, position limiting sealed part 10 is in the second bullet
Property part 7-2 elastic force effect under flick, oil circuit open, hydraulic oil is delivered to by one 6-1 of oil duct by oil discharge passage 7, hydraulic oil is suitable
Two 6-2 of oil duct enter sliding sleeve tightening oil cylinder 9；At this moment the position limiting sealed part 10 at sliding sleeve tightener end is in the first elastic component 7-1 bullet
It is closed under the action of power, the oil circuit at sliding sleeve tightener end is closed.
Sliding sleeve is equipped in the sliding sleeve tightening oil cylinder 9 and tightens piston 9-1, and piston 9-1 is tightened by sliding sleeve and drives tube expander
1。
The distance of axial line of 22 end face of guide holder of second valve body 21 to oil discharge passage 7 is less than the first valve body 20
22 end face of guide holder to oil discharge passage 7 axial line distance.
The specific work process of this programme is as follows:
First the rotational positioning steel ball 13 at tube expander end is turned on rotary stopper slot 12, big spring is supported by guide holder 22
Connect on eccentric annular groove 24, big spring extended, while but also the sealed steel ball of sliding sleeve crimped end in little spring bullet
It is connected to sealed steel ball no longer on two 6-2 of oil duct under power effect, little spring pushes sealed steel ball, and sealed steel ball pushes big bullet
Spring, big spring push guide holder 22, and guide holder 22 is pushed to forward eccentric annular groove 24, and at this moment oil circuit is opened, oil discharge passage 7, oil
One 6-1 of road, two 6-2 of oil duct, which are connected, to be passed in sliding sleeve tightening oil cylinder 9, and hydraulic oil is delivered to one 6- of oil duct by oil discharge passage 7
1, hydraulic oil enters sliding sleeve tightening oil cylinder 9 along two 6-2 of oil duct；At this moment the sealing at the tube expander end of oily connector 4 was set
Steel ball closes under the action of big spring elastic force, and the sealed steel ball abuts in the sealed port of two 6-2 of oil duct, so that oil duct two
Sealing is formed between one 6-1 of 6-2 and oil duct, so that the oil circuit at tube expander end is closed, at this moment only needs started by press button that can make
With sliding sleeve tightener 2.
If to change the work of tube expander 1 into next step, cylinder body 5 rotates 180 °, and when hearing click, steel ball is completed fixed
Position, tube expander 1 are aligned with starting switch, and the oil outlet of oil discharge passage 7 is connected with one 6-1 of oil duct at tube expander end, tube expander
Steel ball little spring elastic force effect under flick, oil circuit open, oil enter expander oil cylinder；Sliding sleeve crimped end steel ball is in big spring bullet
It is closed under power effect, sliding sleeve is tightened oil circuit and closed.At this moment only need started by press button that tube expander 1 can be used, expander oil cylinder 8 drives
Dynamic expander piston 1-5 makes thimble 1-4 travel forward, and thimble 1-4 overcomes the elastic force of disc spring 1-8, and the step surface of thimble 1-4 compresses dish
Spring 1-8, causes disc spring compressive deformation, and after expander, disc spring is flicked rapidly, makes thimble and expander mold separation, then passes through
Piston reset spring 1-1 moves back thimble to retract, i.e., can automatically collapse expander head 34 after expander operation, in order under
Primary expander operation.
The present invention concentrates in together tube expanding function and tightening function, can not only make functional diversities, and cost declines, and
And all there is preferable convenience in terms of the carrying and in terms of operation.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these are improved and replacement
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of expander and tightening two-in-one tool, including cylinder body (5), it is characterised in that: be equipped with tube expander in the cylinder body (5)
(1), sliding sleeve tightener (2) and excessively oily connector (4), the cylinder body (5) are rotatably arranged around the excessively oily connector (4)；It is described
Tube expander (1) and sliding sleeve tightener (2) side are respectively arranged with commutation valve body (6), are respectively equipped with expander on the upside of commutation valve body (6)
It is received by commutation valve body (6) and tube expander (1) or sliding sleeve the side of oil cylinder (8) and sliding sleeve tightening oil cylinder (9), excessively oily connector (4)
Tight device (2) connection.
2. a kind of expander according to claim 1 and tightening two-in-one tool, it is characterised in that: the commutation valve body (6)
Including being connected to first valve body (20) of expander oil cylinder (8) and the second valve body (21) for being connected to sliding sleeve tightener (2)；It is described fuel-displaced logical
Road (7) passes sequentially through the second valve body (21) and is connected to sliding sleeve tightening oil cylinder (9)；The oil discharge passage (7) passes sequentially through the first valve
Body (20) is connected to expander oil cylinder (8).
3. a kind of expander according to claim 2 and tightening two-in-one tool, it is characterised in that: the excessively oily connector (4)
Side offers eccentric annular groove (24)；It forms oil duct one (6-1) in the commutation valve body (6) and is connected with oil duct one (6-1)
Logical oil duct two (6-2), oil discharge passage (7) are connected to oil duct one (6-1), are installed on the first elastic component (7- in oil duct one (6-1)
1) it, is installed on the second elastic component (7-2) in oil duct two (6-2), is set between the first elastic component (7-1) and the second elastic component (7-2)
Have limit sealing element (10), the first elastic component (7-1) and the second elastic component (7-2) are connected to position limiting sealed part (10) two respectively
Side, the oil duct two (6-2) are connected with sliding sleeve tightening oil cylinder (9)；The elastic force of first elastic component (7-1) is greater than the second bullet
The elastic force of property part (7-2).
4. a kind of expander according to claim 3 and tightening two-in-one tool, it is characterised in that: the bias annular groove (24)
Arc-shaped shape, the radian that the bottom of eccentric annular groove (24) is deviateed from circle center become larger.
5. a kind of expander according to claim 4 and tightening two-in-one tool, it is characterised in that: second valve body (21)
Include limit base (23), is equipped with guide holder (22) in limit base (23), the first elastic component (7-1) is installed in guide holder (22)
Interior, guide holder (22) is slidably arranged on eccentric annular groove (24).
6. a kind of expander according to claim 5 and tightening two-in-one tool, it is characterised in that: second valve body (21)
The distance of axial line of guide holder (22) end face to oil discharge passage (7) arrived less than guide holder (22) end face of the first valve body (20)
The distance of the axial line of oil discharge passage (7).
7. a kind of expander according to claim 1 and tightening two-in-one tool, it is characterised in that: below the cylinder body (5)
Rotational positioning lid (11) are installed with, are formed rotary stopper slot (12) on excessively oily connector (4), below the rotational positioning lid (11)
Equipped with rotational positioning steel ball (13), rotational positioning steel ball (13) is rotatably provided on rotary stopper slot (12).
8. a kind of expander according to claim 1 and tightening two-in-one tool, it is characterised in that: the expander oil cylinder (8)
It is inside provided with expander piston (1-5), expander piston (1-5) is equipped with piston reset spring (1-1), the expander piston (1-5)
Front end be connected with thimble (1-4), expander piston (1-5) is extended on thimble (1-4), and expander oil cylinder (8) is arranged outside
The active chuck (1-7) for having fixed chuck (1-6) and being arranged on fixed chuck (1-6), the rear end position of fixed chuck (1-6)
In in the tube body of expander oil cylinder (8), thimble (1-4) is installed in the fixed chuck front end (1-6) and is arranged in active chuck (1-
7) it, is equipped with disc spring (1-8) between active chuck (1-7) and fixed chuck (1-6), thimble (1-4) is connected on disc spring (1-8),
The elastic force of disc spring (1-8) is overcome to drive forwards by expander piston (1-5) driving thimble (1-4).
9. a kind of expander according to claim 1 and tightening two-in-one tool, it is characterised in that: the commutation valve body (6)
Connection setting forms oil discharge passage (7) in excessively oily connector (4) two sides, the excessively oily connector (4), oil discharge passage (7) one end
Equipped with the first oilhole (18), the commutation valve body (6) one end is equipped with the first oilhole (18) compatible second oilhole (19), the
One oilhole (18) is connected to the second oilhole (19).
10. a kind of expander according to claim 5 and tightening two-in-one tool, it is characterised in that: the excessively oily connector (4)
On form limiting slot (25), limit base (23) is connected on limiting slot (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910143002.9A CN109807250B (en) | 2019-02-26 | 2019-02-26 | Two-in-one tool for expanding and tightening pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910143002.9A CN109807250B (en) | 2019-02-26 | 2019-02-26 | Two-in-one tool for expanding and tightening pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109807250A true CN109807250A (en) | 2019-05-28 |
| CN109807250B CN109807250B (en) | 2023-12-05 |
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ID=66607589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910143002.9A Active CN109807250B (en) | 2019-02-26 | 2019-02-26 | Two-in-one tool for expanding and tightening pipe |
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| Country | Link |
|---|---|
| CN (1) | CN109807250B (en) |
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| JPS59110438A (en) * | 1982-12-17 | 1984-06-26 | Hitachi Ltd | Working device of heat exchanger |
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| CN103264109A (en) * | 2013-04-12 | 2013-08-28 | 浙江飞越机电有限公司 | Hydraulic tube expander and tube expanding method thereof |
| CN203227759U (en) * | 2013-04-12 | 2013-10-09 | 浙江飞越机电有限公司 | Multifunctional hydraulic pressure pipe swelling device |
| CN103629445A (en) * | 2013-12-05 | 2014-03-12 | 青岛恒基泰机电科技有限公司 | Composite pipe hydraulic expansion method, manufacturing device and obtained composite pipe |
| CN203944741U (en) * | 2014-07-28 | 2014-11-19 | 黄金国 | The portable small-sized hydraulic extend pipe device of one-hand operation |
| CN205533543U (en) * | 2016-04-22 | 2016-08-31 | 合肥长源液压股份有限公司 | Hydro -cylinder with integrated hydraulic pressure lock cylinder end |
| CN106180432A (en) * | 2016-08-31 | 2016-12-07 | 台州巨力工具有限公司 | A kind of expander tightener |
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| CN106424393A (en) * | 2016-08-31 | 2017-02-22 | 台州巨力工具有限公司 | Quick connecting device of pipe expander and sliding sleeve tightening tool |
| CN209773266U (en) * | 2019-02-26 | 2019-12-13 | 台州巨力工具股份有限公司 | Pipe expanding and tightening two-in-one tool |
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| CN106180432A (en) * | 2016-08-31 | 2016-12-07 | 台州巨力工具有限公司 | A kind of expander tightener |
| CN106424393A (en) * | 2016-08-31 | 2017-02-22 | 台州巨力工具有限公司 | Quick connecting device of pipe expander and sliding sleeve tightening tool |
| CN106382389A (en) * | 2016-11-23 | 2017-02-08 | 贵州大学 | Guide oil way control switching valve and working method thereof |
| CN209773266U (en) * | 2019-02-26 | 2019-12-13 | 台州巨力工具股份有限公司 | Pipe expanding and tightening two-in-one tool |
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| CN109807250B (en) | 2023-12-05 |
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