CN202045286U - Tube expander - Google Patents
Tube expander Download PDFInfo
- Publication number
- CN202045286U CN202045286U CN2011200583789U CN201120058378U CN202045286U CN 202045286 U CN202045286 U CN 202045286U CN 2011200583789 U CN2011200583789 U CN 2011200583789U CN 201120058378 U CN201120058378 U CN 201120058378U CN 202045286 U CN202045286 U CN 202045286U
- Authority
- CN
- China
- Prior art keywords
- expander
- pipe fitting
- tube
- sleeve part
- clamping member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model provides a tube expander, which comprises a body having a clamping end and a tool end which are respectively formed with a shaft hole and a screw hole arranged oppositely in a straight line; at least one fixing device for sleeving a tube inserted into the shaft hole to position the tube movably at the clamping end; and a tube expanding spiral member having a tube expanding end, screwed on the screw hole by a manner capable of moving along the axial direction of the tube to expand the tube.
Description
Technical field
The utility model is about a kind of tube expander, more detailed it, refer to a kind of simple in structurely especially, and have the function of ease of assembly, operation and collection, and be applicable to that the various sizes pipe fitting carries out the tube expander of expander.
Background technology
Existing tube expander, as shown in Figure 1, mainly comprise a main body 1, a ruler group 2, this ruler group 2 is made of two relative pipe fitting positioning strips 3, and tubing positioning strip 3 relative inner of this separation form the location division 4 of different size, inner concavity from front to back in regular turn, and this location division 4 slightly is ellipse, again, 2 rear and front end portions are provided with screw tightening 5 respectively in the ruler group, utilize screw tightening 5 from the both sides of pipe fitting positioning strip 3 its packing to be fixed, and desire the pipe fitting of expander in order to 4 location, location division; This main body 1 generally is the ㄇ font, and its lower end two inboard relatively forms sandwich part 6 respectively, utilizes sandwich part 6 to be fixed against pipe fitting positioning strip 3 both sides; Autonomous agent 1 upper end central authorities down establish for an expander spiral shell spare 7 spiral shells in addition; According to the pipe fitting caliber of desiring expander it is arranged in the sandwich part 4 of corresponding size on the ruler group 2, changeing also relatively for expander spiral shell spare 7 spiral shells, pipe fitting carries out expander.
Can cooperate the pipe fitting of different tube diameters to position by ruler group 2, but need have the location division 4 of different size for fear of it, make ruler group 2 need make the strip of equivalent length, therefore this main body 1 and ruler group 2 have size to a certain degree after dismounting, and can't effectively reduce the overall dimensions of packing timber or ccontaining utensil, cause collection or carry comparatively inconvenience, on the other hand, this main body 1 also can't effectively reduce with the action required space of ruler group 2 after assembling, makes to use comparatively inconvenience in the operation.
The utility model content
Open the shortcoming of prior art on comprehensive, comprise above-mentioned existing tube expander haply, for the pipe fitting that cooperates various different tube diameters positions, this ruler group is necessary member, but need have the location division of different size for fear of it, make the ruler group need make the strip of equivalent length, no matter so this main body and the ruler group action required space after collection space after the dismounting or assembling all can't effectively reduce, cause collection or carry and use operational inconvenience; And, the utility model proposes a kind of tube expander in view of solving above-mentioned shortcoming.
The utility model provides a kind of tube expander, and it comprises: a main body, have a clamping end and a tool ends end, and this clamping end and tool ends end have the axle center respectively and are an axis hole and the screw that a straight line is oppositely arranged; At least one fixture can be sheathed for a pipe fitting, and be arranged in the axis hole place, so that this pipe fitting can be positioned the clamping end with dismantling; And the expander spiral shell spare with an expander end, can be screwed together in this screw along the activity with displacement of pipe fitting axis direction, carry out expander with relative pipe fitting.Hold: this main body is concaved with a storage tank for the operation of expander spiral shell spare between clamping end and tool ends end.
This fixture comprises the sleeve part of several different tube diameters, and is sheathed for the pipe fitting of corresponding caliber.
Each sleeve part is provided with one in an end of corresponding tool ends end and is fixed in stop section outside this axis hole for active card.
Each sleeve part is made up of first clamping member and one second clamping member of one group of symmetry.
Has an embedded structure between this first clamping member and second clamping member for mutual chimeric location.
This embedded structure comprises at least one chimeric end of being located at first clamping member, and at least one is located at second clamping member for the movable chimeric embeded slot of this chimeric end.
The end of each sleeve part outside being extended through this axis hole is provided with a fixture, and this fixture makes the sleeve part packing locate this pipe fitting.
Each sleeve part is provided with the external thread section of this fixture screw lock of confession
The utility model purpose and one of useful and effect, be setting by this fixture, to simplify overall structure, and the overall dimensions of reduction packing timber or ccontaining utensil, and also can effectively reduce the collection space after the dismounting, on the other hand, also can reduce the action required space after the assembling, make to use to have light and handy convenience.
Two of the utility model purpose and useful and effect is that each sleeve part can be made up of disymmetrical first clamping member and one second clamping member, to improve the convenience of assembling between sleeve part and external member and dismantling.
Three of the utility model purpose and useful and effect, be to use for the pipe fitting that cooperates various different size sizes, this fixture comprises the sleeve part of several different tube diameters, and these sleeve parts can be set to respectively to supply general Commonly Used Size pipe fitting size applicatory, whereby, need not to change the structure of other member, make its pipe fitting carry out expander applicable to various sizes.
Four of the utility model purpose and useful and effect is to have between first clamping member and second clamping member embedded structure of concave-convex design, engages so that carry out rapid alignment between the two.
Description of drawings
Fig. 1 is the stereo appearance figure of existing tube expander.
Fig. 2 is a stereo appearance figure of the present utility model.
Fig. 3 is a three-dimensional exploded view of the present utility model.
Fig. 4 is a generalized section of the present utility model.
Fig. 5 is an action schematic diagram of the present utility model.
Fig. 6 cooperates the user mode schematic diagram of the pipe fitting of big caliber for the utility model.
Clamping end 12 second clamping members 214 axis holes 121 embedded structures 215
Tool ends end 13 chimeric end 216 screws 131 embeded slots 217
Sleeve part 21,60 expander ends 31 stop sections 211 pipe fittings 40,50
The specific embodiment
For ease of explanation the utility model represented central idea in above-mentioned novel content one hurdle, express with specific embodiment now.Various different objects are described in the ratio that is suitable for illustrating, size, deflection or displacement among the embodiment, but not are drawn in the ratio of actual components, close chat earlier bright.And in the following description, similar elements is to represent with identical numbering.
As shown in Figures 2 and 3, the utility model is a kind of tube expander, mainly comprises a main body 10, at least one fixture 20, and an expander spiral shell spare 30.
This main body 10 has a clamping end 12 and a tool ends end 13, and this main body 10 is concaved with a storage tank 11 in clamping end 12 and 13 of tool ends end, and this clamping end 12 and tool ends end 13 have the axle center respectively and be an axis hole 121 and the screw 131 that a straight line is oppositely arranged; This main body 10 is provided with a holding rod 14 in a side, grips to make things convenient for the user.
This fixture 20 comprises several sleeve parts 21 and a fixture 22, and each sleeve part 21 can supply one to treat that the pipe fitting 40 (as shown in Figure 4) of expander is sheathed, and these sleeve parts 21 have different calibers respectively, use for the pipe fitting 40 that cooperates different tube diameters; This sleeve part 21 is arranged in axis hole 121, and each sleeve part 21 is provided with a stop section 211 in an end of corresponding storage tank 11, is fixed in outside the axis hole 121 for active card, with limiting boot spare 21 sliding and position limitations; The other end of this sleeve part 21 in relative stop section 211 is provided with an external thread section 212, for being extended through outside the axis hole 121, makes this fixture 22 screw locks, so that sleeve part 21 packings are located this pipe fitting 40 in axis hole 121.
The external diameter of each sleeve part 21 should be slightly less than the diameter of axis hole 121, and the internal diameter of sleeve part 21 can be provided with according to the external diameter size of pipe fitting 40, makes the internal diameter of sleeve part 21 be slightly less than the external diameter of pipe fitting 40, makes sleeve part 21 and pipe fitting 40 be tight fit; And for ease of the convenience in sleeve part 21 and 40 assemblings of external member, sleeve part 21 can be made up of one first clamping member 213 and one second clamping member 214 of symmetry, and has an embedded structure 215 between the two, engage so that carry out rapid alignment between the two, and the setting of this embedded structure 215 there is no specific restriction, for example can be provided with a chimeric end 216, and be provided with an embeded slot 217 in second clamping member 214 in first clamping member 213, chimeric for chimeric end 216 activities.
This expander spiral shell spare 30 has an expander end 31, and this expander spiral shell spare 30 can be screwed together in screw 131 along the activity with displacement of pipe fitting 40 axis directions, carries out expander for expander end 31 relative pipe fittings 40; Wherein, this expander spiral shell spare 30 can be the general existing employed expander of tube expander spiral shell spare 30, and its structure and pattern are not to be emphasis of the present utility model, shown in the legend only for ease of illustrating the utility model, be not to be unique implementation of expander spiral shell spare 30 in order to limit to it, close chat earlier bright.
After understanding said structure, below do one at action of the present utility model and principle and describe in detail:
As Fig. 4 and shown in Figure 5, earlier pipe fitting 40 is arranged in axis hole 121, and first clamping member 213 and second clamping member 214 of sleeve part 21 be coated on outside the pipe fitting 40 in regular turn, at this moment, see through embedded structure 215 and can be convenient to carry out the rapid alignment joint between the two, after treating that sleeve part 21 is sheathed on pipe fitting 40, by stop section 211 sleeve part 21 being worn is fixed in the axis hole 121, again fixture 22 is screwed togather and be locked in external thread section 212, so that sleeve part 21 packings are located this pipe fitting 40 in axis hole 121, promptly finish the location of pipe fitting 40; Change the action that moves forward by expander spiral shell spare 30 spiral shell in screw 131, make expander end 31 relative pipe fittings 40 carry out expander.
As shown in Figure 6, for the user mode schematic diagram of the pipe fitting 50 that is applied to big caliber, be to cooperate pipe fitting 50 of this big caliber to use, need to select with sleeve part 60 cooperations that are fit to caliber, make the internal diameter of this sleeve part 60 be slightly less than the external diameter of pipe fitting 50; And be the pipe fitting 40 that cooperates various different size sizes, 50 use, these sleeve parts 21,60 can be set to respectively to supply general Commonly Used Size pipe fitting 40,50 sizes applicatory, whereby, need not to change the structure of other member, make its pipe fitting 40 applicable to various sizes, 50 carry out expander, and can pass through its structural design, to improve pipe fitting 40,50 and assembling of 20 of fixtures and dismounting on convenience, and the overall dimensions of reduction packing timber or ccontaining utensil, to reduce the collection space after dismantling, on the other hand, also can reduce the action required space after the assembling, make to use to have light and handy convenience.
Though the utility model is to explain with several most preferred embodiments, is skillful in this skill person and can does various multi-form changes not breaking away under the utility model spirit and the category.Above illustrated embodiment is only in order to explanation the utility model, and is non-in order to limit scope of the present utility model.Such as do not disobey various modifications or the variation that the utility model spirit is engaged in, all belong to the utility model claim.
Claims (9)
1. tube expander is characterized in that comprising:
A main body has a clamping end and a tool ends end, and this clamping end and tool ends end have the axle center respectively and be an axis hole and screw that a straight line is oppositely arranged;
At least one is arranged in the axis hole place, so that this pipe fitting can be positioned this clamping end with dismantling for the sheathed fixture of pipe fitting; And
Expander spiral shell spare with expander end can be screwed together in this screw with displacement along the pipe fitting axis direction, carries out expander with relative this pipe fitting.
2. tube expander as claimed in claim 1 is characterized in that, this main body is concaved with a storage tank for the operation of expander spiral shell spare between clamping end and tool ends end.
3. tube expander as claimed in claim 1 is characterized in that this fixture comprises the sleeve part of several different tube diameters, and is sheathed for the pipe fitting of corresponding caliber.
4. tube expander as claimed in claim 3 is characterized in that, each sleeve part is provided with one in an end of corresponding tool ends end and is fixed in stop section outside this axis hole for active card.
5. tube expander as claimed in claim 3 is characterized in that, each sleeve part is made up of first clamping member and second clamping member of one group of symmetry.
6. tube expander as claimed in claim 5 is characterized in that, has an embedded structure between this first clamping member and second clamping member for mutual chimeric location.
7. tube expander as claimed in claim 6 is characterized in that, this embedded structure comprises at least one chimeric end of being located at first clamping member, and at least one is located at second clamping member for the movable chimeric embeded slot of this chimeric end.
8. as claim 3 or 5 described tube expanders, it is characterized in that the end of each sleeve part outside being extended through this axis hole is provided with a fixture, this fixture makes the sleeve part packing locate this pipe fitting.
9. tube expander as claimed in claim 8 is characterized in that, each sleeve part is provided with the external thread section of this fixture screw lock of confession.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200583789U CN202045286U (en) | 2011-03-08 | 2011-03-08 | Tube expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200583789U CN202045286U (en) | 2011-03-08 | 2011-03-08 | Tube expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202045286U true CN202045286U (en) | 2011-11-23 |
Family
ID=44985611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200583789U Expired - Fee Related CN202045286U (en) | 2011-03-08 | 2011-03-08 | Tube expander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202045286U (en) |
-
2011
- 2011-03-08 CN CN2011200583789U patent/CN202045286U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111123 Termination date: 20150308 |
|
| EXPY | Termination of patent right or utility model |