CN205905418U - Can show and expander of limited expander volume - Google Patents
Can show and expander of limited expander volume Download PDFInfo
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- CN205905418U CN205905418U CN201620797108.2U CN201620797108U CN205905418U CN 205905418 U CN205905418 U CN 205905418U CN 201620797108 U CN201620797108 U CN 201620797108U CN 205905418 U CN205905418 U CN 205905418U
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- expander
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Abstract
The utility model discloses a can show and expander of limited expander volume, the expander is the volume of including expander indication mechanism still, expander volume indication mechanism including set up rack in the cone, with the rack and gear of rack looks meshing, with the drive gear of rack and gear looks meshing and with the display dial that the drive gear transmission is connected, the display dial is equipped with the first pointer of the volume of showing the expander of being used for. Move the in -process when the cone, the rack turns into the rotation of first pointer on the display dial with its amount of movement through rack and gear and drive gear, because cone amount of movement and expander volume be the proportional relation, the scale of consequently indicateing through the first pointer of observation display dial can the volume of knowing the expander, so the volume of showing the expander in real time, can let the installer accuracy hold expander volume at every turn, avoids expander to measure and too bigly leads to the fact the injury to tubular product.
Description
Technical field
This utility model is related to tube expander field, more particularly, to a kind of tube expander showing and limiting expander amount.
Background technology
Many plastic conduits, the such as pipeline such as pe-x, pe-rt, pb has good memory ability, that is, in port by spreading
Afterwards, original size can be substantially contracted to after the regular hour, sliding tight type pipe fitting exactly make use of this memory effect of tubing
Should be realizing fit sealing.In the installation process of sliding tight type pipe fitting, first will have the tubing of memory effect using expanding tool
Port is opened, and then will slide rapidly in the tight type pipe fitting insertion tubing of enlarging, after tube opening shrinks, with sliding clamping tool
Cutting ferrule propulsion is slipped into compression tubing so that sliding tight type pipe fitting is integrated into one with tubing.Plastic conduit, in expanding procedure, is
Avoid that expander amount is excessive to be damaged to tubing, need several times and be gradually increased expander amount to carry out expander.If there is no expander
Amount accurately shows, is only difficult to hold each expander amount with sensation it is easy to damage tubing, thus affecting connection effect.And, no
The ability of same its memory effect of tubing has larger difference, and therefore its maximum expander amount is also different.For solving this problem,
Tube expander is configured with the different tubing of different expander head adaptations at present, causes expander head specifications and models more, increased instrument
Cost；Meanwhile, need to often change different expander heads, increase installation workload, reduce installation effectiveness.
Adopting hinge arrangement existing tube expander more, manual or hydraulic-driven, its advantage is that radial direction expander amount is big,
Shortcoming is cannot accurately to know each expander amount.Because existing tube expander expander amount is larger, in plastic conduit in expanding procedure,
For avoiding tubing is damaged, need several times and be gradually increased expander amount to carry out expander, due to there is no expander amount indication mechanism,
Each expander amount can only be held with sensation it is easy to damage tubing, thus affecting connection effect.Another shortcoming is to expand not
With plastic tube when need to be equipped with different expander heads, cause expander head specifications and models more, increased the cost of instrument；Meanwhile,
Different expander heads need to often be changed, increase installation workload, reduce installation effectiveness.
Utility model content
This utility model is directed to the deficiency of existing product, provides a kind of tube expander showing and limiting expander amount, this expansion
Pipe device can allow installation personnel accurately hold each expander amount, it is to avoid expander amount is excessive to be damaged to tubing；Can limit simultaneously
Fixed maximum expander amount, can be used for the enlarging of different tubing, reduces the species of expander head, improve installation effectiveness.
For solving above-mentioned technical problem, the technical solution of the utility model is as follows:
A kind of tube expander showing and limiting expander amount, including fixed handle, flexible handle and cone, described fixing handss
Handle and flexible handle pass through pin and rod hinge connection, and fixed handle is provided with a location hole, and described cone passes through this location hole, cone
Body one end is connected with flexible handle by pin, and the other end is free end, by applying external force on flexible handle, you can change
The angle of flexible handle and fixed handle, thus with movable cone location hole spacing under do movable；Described tube expander is also
Including expander amount indication mechanism, the tooth bar that described expander amount indication mechanism includes being arranged in cone is mutually ratcheting with described tooth bar
The rack pinion travelling gear mutually ratcheting with described rack pinion and the display table being in transmission connection with described travelling gear
Disk, described display dial is provided with the first pointer for showing expander amount.
When, in cone moving process, its amount of movement is converted on display dial by tooth bar by rack pinion and travelling gear
The rotation of the first pointer, because cone amount of movement and expander amount are proportionate relationship, therefore passes through to observe display dial first pointer
Indicated scale may know that expander amount.
In a kind of preferred scheme, described pyramid side is provided with the first inclined-plane, and described tube expander also includes expander amount
Limit mechanism, described expander amount limits mechanism and includes spacer pin, first bevel gear, second bevel gear, spur gear and adjusting knob,
One end of described spacer pin is provided with the second inclined-plane matching with described first inclined-plane, and spacer pin is entered by fixed handle locating surface
Row positioning, can only move up and down, spacer pin is threaded connection with first bevel gear, first bevel gear and second bevel gear phase
Ratcheting, described adjusting knob is connected by same axle with second bevel gear, and adjusting knob is connected by gear drive with spur gear,
Spur gear is also in transmission connection with display dial, and described display dial is provided with the second pointer for showing maximum expander amount.
Spacer pin is threaded connection with first bevel gear, therefore has self-locking property, and that is, spacer pin will not be because of being subject to
Axial force and change position.By adjusting knob, on the one hand drive spur gear rotation, thus driving the second pointer on display dial
Rotation, can set maximum expander amount by observing the second pointer indication scale；On the other hand drive second bevel gear rotation, from
And driving first bevel gear to rotate, first bevel gear drives spacer pin to move up and down by helicitic texture, makes the second of spacer pin
Inclined-plane is changed with the first chamfer distance of cone, thus limiting the distance of cone forward movement, and then reaches and limits it
The purpose of big expander amount, arbitrarily can be limited to maximum expander amount, can be used for the enlarging of different tubing, reduce the kind of expander head
Class, improves installation effectiveness.
In a kind of preferred scheme, described second pointer is different from the length of the first pointer, in order to distinguish real-time expansion
Pipe amount and the instruction limiting maximum expander amount.
In a kind of preferred scheme, described second pointer be shorter in length than the first pointer.
In a kind of preferred scheme, described fixed handle and flexible handle are equipped with Handheld Division, in order to operator
Hand-held.
Compared with prior art, the beneficial effect of technical solutions of the utility model is: the open one kind of this utility model can show
Show and limit the tube expander of expander amount, described tube expander also includes expander amount indication mechanism, described expander amount indication mechanism includes
The tooth bar that is arranged in the cone rack pinion mutually ratcheting with described tooth bar and the mutually ratcheting travelling gear of described rack pinion,
And the display dial being in transmission connection with described travelling gear, described display dial is provided with the first finger for showing expander amount
Pin.When, in cone moving process, its amount of movement is converted into first on display dial by tooth bar by rack pinion and travelling gear
The rotation of pointer, because cone amount of movement and expander amount are proportionate relationship, therefore passes through to observe display dial the first pointer indication
The scale showing may know that expander amount, therefore can show expander amount in real time, installation personnel can be allowed accurately to hold each expander amount, keep away
Exempt from that expander amount is excessive to be damaged to tubing.
Brief description
Fig. 1 is the axonometric chart of this utility model tube expander.
Fig. 2 is the side view of this utility model tube expander.
Fig. 3 is this utility model tube expander profile.
Fig. 4 is the expander amount indication mechanism schematic diagram of this utility model tube expander.
Fig. 5 is the expander amount indication mechanism details enlarged drawing of this utility model tube expander.
Fig. 6 is that the expander amount of this utility model tube expander limits structural scheme of mechanism.
Fig. 7 is that the expander amount of this utility model tube expander limits mechanical details enlarged drawing.
Wherein: 1, fixed handle；2nd, flexible handle；3rd, cone；4th, connecting rod；5th, pin；6th, display dial；71st, tooth bar；
72nd, rack pinion；73rd, travelling gear；81st, spacer pin；82nd, first bevel gear；83rd, second bevel gear；84th, spur gear；85th, adjust
Section knob.
Specific embodiment
Being for illustration only property of accompanying drawing illustrates it is impossible to be interpreted as the restriction to this patent；
In order to the present embodiment is more preferably described, some parts of accompanying drawing have omission, zoom in or out, and do not represent actual product
Size；
To those skilled in the art, in accompanying drawing, some known features and its explanation may omission be to be appreciated that
's.
With reference to the accompanying drawings and examples the technical solution of the utility model is described further.
Embodiment 1
As Figure 1-5, a kind of tube expander showing and limiting expander amount, including fixed handle 1, flexible handle 2 and
Cone, described fixed handle 1 and flexible handle 2 pass through pin 5 and connecting rod 4 is hinged, and fixed handle 1 is provided with a location hole, institute
State cone 3 and pass through this location hole, cone 3 one end is connected with flexible handle 2 by pin, the other end is free end, by applying
External force is on flexible handle 2, you can change the angle of flexible handle 2 and fixed handle 1, thus with movable cone 3 in location hole
Do movable under spacing；Described tube expander also includes expander amount indication mechanism, and described expander amount indication mechanism includes being arranged on
Tooth bar 71 in cone 3 rack pinion 72 mutually ratcheting with described tooth bar 71 and the mutually ratcheting driving cog of described rack pinion 72
Wheel 73 and the display dial 6 being in transmission connection with described travelling gear 73, described display dial 6 is provided with for showing expander amount
The first pointer.
When, in cone 3 moving process, its amount of movement is converted into aobvious by tooth bar 71 by rack pinion 72 and travelling gear 73
Show the rotation of the first pointer on dial plate 6, because cone 3 amount of movement and expander amount are proportionate relationship, therefore pass through to observe display table
Scale indicated by disk 6 first pointer may know that expander amount.
As shown in fig. 6-7, in specific implementation process, described pyramid side is provided with the first inclined-plane, and described tube expander is also
Limit mechanism including expander amount, described expander amount limit mechanism include spacer pin 81, first bevel gear 82, second bevel gear 83,
Spur gear 84 and adjusting knob 85, one end of described spacer pin 81 is provided with the second inclined-plane matching with described first inclined-plane, limit
Position pin 81 is positioned by fixed handle 1 locating surface, can only move up and down, and spacer pin 81 passes through spiral shell with first bevel gear 82
Stricture of vagina connects, and first bevel gear 82 is mutually ratcheting with second bevel gear 83, and described adjusting knob 85 and second bevel gear 83 are passed through same
Axle connects, and adjusting knob 85 is connected by gear drive with spur gear 84, and spur gear 84 is also in transmission connection with display dial 6, institute
State display dial 6 and be provided with the second pointer for showing maximum expander amount.
Spacer pin 81 is threaded connection with first bevel gear 82, therefore has self-locking property, and that is, spacer pin 81 will not be because
It is to be changed position by axial force.By adjusting knob 85, spur gear 84 is on the one hand driven to rotate, thus driving display dial
On 6, the second pointer rotation, can set maximum expander amount by observing the second pointer indication scale；On the other hand drive the second cone
Gear 83 rotates, thus driving first bevel gear 82 to rotate, first bevel gear 82 drives spacer pin about 81 by helicitic texture
Motion, makes the second inclined-plane of spacer pin 81 change with the first chamfer distance of cone 3, thus limit cone 3 moving forward
Distance, and then reach the purpose limiting its maximum expander amount, maximum expander amount arbitrarily can be limited, can be used for different pipes
The enlarging of material, reduces the species of expander head, improves installation effectiveness.
In specific implementation process, described second pointer be shorter in length than the first pointer, in order to distinguish real-time expander amount
With the instruction limiting maximum expander amount.
In specific implementation process, described fixed handle 1 and flexible handle 2 are equipped with Handheld Division, in order to operator
Hand-held.
Same or analogous label corresponds to same or analogous part；
Described in accompanying drawing, the being for illustration only property of term of position relationship illustrates it is impossible to be interpreted as the restriction to this patent；
Obviously, above-described embodiment of the present utility model is only intended to clearly illustrate this utility model example, and
It is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, in described above
On the basis of can also make other changes in different forms.There is no need to give to all of embodiment
Exhaustive.All any modification, equivalent and improvement made within spirit of the present utility model and principle etc., should be included in
Within this utility model scope of the claims.
Claims (5)
1. a kind of tube expander showing and limiting expander amount, including fixed handle, flexible handle and cone, described fixed handle
Pass through pin and rod hinge connection with flexible handle, fixed handle is provided with a location hole, described cone passes through this location hole, cone
One end is connected with flexible handle by pin, and the other end is free end, by applying external force on flexible handle, you can change and live
The angle of fixed handle and fixed handle, thus with movable cone location hole spacing under do movable；It is characterized in that, described
Tube expander also includes expander amount indication mechanism, and described expander amount indication mechanism includes the tooth bar being arranged in cone and described tooth
The mutually ratcheting rack pinion of the bar travelling gear mutually ratcheting with described rack pinion and being in transmission connection with described travelling gear
Display dial, described display dial is provided with the first pointer for showing expander amount.
2. the tube expander showing and limiting expander amount according to claim 1 is it is characterised in that under described pyramid side
Side is provided with the first inclined-plane, and described tube expander also includes expander amount and limits mechanism, described expander amount limit mechanism include spacer pin,
First bevel gear, second bevel gear, spur gear and adjusting knob, described spacer pin top is provided with is matched with described first inclined-plane
The second inclined-plane, spacer pin is positioned by fixed handle locating surface, can only move up and down, spacer pin and first bevel gear
It is threaded connection, first bevel gear is mutually ratcheting with second bevel gear, described adjusting knob passes through same axle with second bevel gear
Connect, adjusting knob is connected by gear drive with spur gear, and spur gear is also in transmission connection with display dial, described display dial
It is provided with the second pointer for showing maximum expander amount.
3. the tube expander showing and limiting expander amount according to claim 2 it is characterised in that described second pointer with
The length of the first pointer is different.
4. the tube expander showing and limiting expander amount according to claim 2 is it is characterised in that described second pointer
It is shorter in length than the first pointer.
5. showing according to any one of claim 1-4 limit the tube expander of expander amount it is characterised in that described solid
Determine to be equipped with Handheld Division on handle and flexible handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620797108.2U CN205905418U (en) | 2016-07-27 | 2016-07-27 | Can show and expander of limited expander volume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620797108.2U CN205905418U (en) | 2016-07-27 | 2016-07-27 | Can show and expander of limited expander volume |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205905418U true CN205905418U (en) | 2017-01-25 |
Family
ID=57803292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620797108.2U Active CN205905418U (en) | 2016-07-27 | 2016-07-27 | Can show and expander of limited expander volume |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205905418U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106142527A (en) * | 2016-07-27 | 2016-11-23 | 广东联塑科技实业有限公司 | A kind of tube expander shown and limit expander amount |
-
2016
- 2016-07-27 CN CN201620797108.2U patent/CN205905418U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106142527A (en) * | 2016-07-27 | 2016-11-23 | 广东联塑科技实业有限公司 | A kind of tube expander shown and limit expander amount |
| CN106142527B (en) * | 2016-07-27 | 2019-02-15 | 广东联塑科技实业有限公司 | A kind of tube expander shown and limit expander amount |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |