CN203495056U - Quick-mounting tube expanding base structure of tube expander - Google Patents
Quick-mounting tube expanding base structure of tube expander Download PDFInfo
- Publication number
- CN203495056U CN203495056U CN201320587058.1U CN201320587058U CN203495056U CN 203495056 U CN203495056 U CN 203495056U CN 201320587058 U CN201320587058 U CN 201320587058U CN 203495056 U CN203495056 U CN 203495056U
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- China
- Prior art keywords
- clamp
- tube
- pipe fitting
- tube expander
- locating ring
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Abstract
The utility model discloses a tube expander, provides a quick-mounting tube expanding base structure of the tube expander with the advantages of being small in size, saving time and labor for disassembly and assembly, and being fast and convenient, and solves the technical problems in the prior art that the pipe expanding process occupies large space, the assembly and disassembly are complicated and waste time and energy, the production efficiency is low and the like when a pipe fitting is fixed and clamped by a pipe expanding strip for pipe expanding process. The quick-mounting tube expanding base structure comprises a positioning ring which is coaxially screwed on a pipe expanding port of an eccentric type tube expander, a left semicircular clamping block and a right semicircular clamping block are arranged on the outer port of the positioning ring, one end of each of the left and right clamping blocks is connected to the positioning ring in a rotating manner, the other ends are in butt joint to form a clamping opening which can clamp a pipe fitting, the clamping opening is coaxial with the positioning ring and clamps the pipe fitting through a locking mechanism, the locking mechanism comprises a connecting piece and a pull rod which are respectively connected to open ends of the left and right clamping blocks in a rotating manner, a sleeve is screwed on the outer side end of the pull rod, a supporting block which can slide up and down along the sleeve is connected outside the sleeve in a rotating manner, and the outer side end of the connecting piece is connected to the supporting block in a rotating manner.
Description
Technical field
The utility model relates to a kind of tube expander, relates in particular to a kind of volume little, be applicable to small space and use, and dismounting is time saving and energy saving, quickly and easily the fast-assembling tube expanding seat structure of tube expander.
Background technology
Tube expander is to manufacture, be used for while keeping in repair all kinds of container the inside and outside footpath of enlarged pipe, tube-to-tube sheet connection contact site is closely engaged, can not leak gas and also can bear the expanding tool of certain pressure, it is widely used in manufacture and the maintenance of boiler, heat exchanger, condenser, cooler and other kinds pressure vessel in the industries such as oil, chemical industry, electric power, metallurgy, shipbuilding, refrigeration.Existing tube expander is generally equipped with expander bar in use, by expander bar, grips the locating slot that inserts again tube expander after pipe fitting and carries out expander processing, takes up room large, at small space, cannot normally use, and expander bar cargo handling process is loaded down with trivial details, wastes time and energy, and production efficiency is low.
Chinese patent discloses a kind of positioner (CN2608181Y) of tube expander, it is other and removable that this device is arranged on the tube gripper of tube expander, and this positioner surface above tube gripper is extended with a locating surface, wherein this positioner can be bent to form a guide rail at beside end, with respect to this guide rail, be provided with a chute in tube gripper bottom surface, this positioner can be moved forward and backward on tube gripper, will need during use the pipe fitting of expander by the below, expander hole of tube gripper, inserted, by tube gripper, gripped again after limiting this pipe fitting extension elongation via locating surface.Although this positioner end is provided with stop device mutually to limit moving range, thereby avoid positioner in slip, to deviate from outside the tube gripper of tube expander, but this positioner need to insert the locating slot of tube expander in use equally after gripping pipe fitting again carries out expander processing, exist cargo handling process loaded down with trivial details, waste time and energy, the technical problem such as production efficiency is low.
Summary of the invention
It is little that the utility model has mainly been to provide a kind of volume, being applicable to small space uses, location is reliable, dismounting is time saving and energy saving, and the fast-assembling tube expanding seat structure of tube expander, has solved the expander processing existing in prior art and taken up room large quickly and easily, and need to grip the locating slot that inserts again tube expander after pipe fitting with expander bar and carry out expander processing, cargo handling process is loaded down with trivial details, wastes time and energy, and the technical problem of the low grade of production efficiency.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of fast-assembling tube expanding seat structure of tube expander, comprise the locating ring on the double over that is coaxially screwed in centering type tube expander, in the external port of described locating ring, be provided with semiorbicular left clamp and semiorbicular right clamp, one end of left clamp and right clamp is rotatably connected on locating ring, after other end docking, formation can clamp the jaws of pipe fitting, jaws is coaxial and by retaining mechanism, pipe fitting is clamped in jaws with locating ring, retaining mechanism wherein comprises the brace that is rotatably connected on left clamp open end and the pull bar that is rotatably connected on right clamp open end, on the outboard end of pull bar, be connected with sleeve, at sleeve, be rotationally connected the back-up block that can slide up and down along sleeve outward, the outboard end of brace is rotatably connected on back-up block.Expander adds and first the locating ring on tube expanding seat is screwed on double over man-hour, again by being rotatably connected on a left side for locating ring external port, right clamp grips the pipe fitting that needs expander processing, by retaining mechanism, lock again left, the position of right clamp, can carry out expander processing to pipe fitting, also can first pipe fitting be clamped to a left side, between right clamp, again locating ring is screwed on double over, because tube expanding seat and tube expander spin fixing, pipe fitting is by an outside left side for rotating opening, right clamp grips, tube expanding seat volume is little, compact conformation, being applicable to small space uses, and easy accessibility, locking is left, during right clamp, pull pull bar outside, right clamp inwardly docks with left clamp under the pulling of brace, while continuing to pull pull bar outside, back-up block drives the link of brace to turn to the outside of right clamp, until pull bar when coaxial with brace rotational sleeve outside, sleeve drives back-up block outside, the right clamp of pull bar overhead is pressed on left clamp, retaining mechanism adopts lever principle by pipe fitting clamping and positioning, locate mode is simple and reliable, dismounting folder is convenient and swift, time saving and energy saving, improved production efficiency.
As preferably, parallelly on the upper and lower end face of described left clamp open end be rotationally connected a pair of brace, in the outside wall surface both sides of back-up block, be provided with the plush copper corresponding with brace, the outboard end of brace is connected in plush copper.By a pair of brace that be arranged in parallel, improve the clamping force of left and right clamp, and make pipe fitting stress equalization, guarantee that pipe fitting location is reliable.
As preferably, at the outboard end of described sleeve, be provided with knob.Knob is convenient to sleeve spinning in and out on pull bar.
As preferably, on the inner ring surface of described left clamp, be provided with the left core body of interworking, on the inner ring surface of right clamp, be provided with the right core body of interworking, left core body and right core body are semi-circular and are fixed by screws on corresponding left clamp and right clamp, and pipe fitting is clamped between left core body and right core body.By left and right core body is set in the jaws forming between left and right clamp, can by changing left and right core body, change the caliber specification of expander processing, make the pipe fitting expander processing of its applicable all size.
As preferably, described left clamp and right clamp are rotatably connected on the outer face of locating ring by the first bearing pin, and are rotatably connected to the baffle plate may extend in jaws on the first bearing pin between left clamp and locating ring outer face.By rotation, baffle plate is set, when locating, pipe fitting can limit the position of pipe fitting in jaws by the baffle plate stretching in jaws, behind pipe fitting location, flap shutter is to jaws, can carry out expander processing to pipe fitting, baffle plate guarantees that the length that pipe fitting stretches in jaws is consistent, has guaranteed the expander quality of pipe fitting.
Locating ring can be screwed on double over by screw thread, as preferably, is evenly equipped with several dops on the outer ring surface of described locating ring, is provided with the draw-in groove with dop interworking in the double over of tube expander, and dop rotary clamping is in draw-in groove.Locating ring is connected with draw-in groove by the dop of interworking, and locating ring rotating distance is short, is beneficial to the fast assembling-disassembling of tube expanding seat, enhances productivity.
Therefore, the fast-assembling tube expanding seat structure of tube expander of the present utility model has following advantage: tube expanding seat volume is little, is applicable to the expander processing of small space; Dop and draw-in groove by interworking are connected on tube expander, and tube expanding seat rotating distance is short, is beneficial to quick handling; Pipe fitting is fixedly clamped by left and right clamp, then utilizes lever principle by left and right clamp tightening position by retaining mechanism, and dismounting folder is convenient and swift, time saving and energy saving, by baffle plate, limit again the axial location of pipe fitting, pipe fitting accurate positioning, is beneficial to the expander quality that guarantees pipe fitting.
accompanying drawing explanation:
Fig. 1 is the stereogram of the fast-assembling tube expanding seat structure of the utility model tube expander;
Fig. 2 is explosive view of the present utility model;
Fig. 3 is structural representation when retaining mechanism is opened in the utility model;
Fig. 4 is the structural representation after retaining mechanism locking in the utility model.
the specific embodiment:
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1:
As shown in Figure 1, the fast-assembling tube expanding seat structure of a kind of tube expander of the present utility model, comprise the locating ring 3 on the double over 2 that is coaxially connected to centering type tube expander 1, on the outer ring surface of locating ring 3 links, be evenly equipped with three groups of dops 15, in the double over 2 of tube expander 1 with three groups of draw-in grooves 16 with dop 15 interworkings, dop 15 rotary clampings are in draw-in groove 16, as shown in Figure 2, in the external port of locating ring 3, by the first bearing pin 12, be rotationally connected a semiorbicular left clamp 4 and a semiorbicular right clamp 5, one end of left clamp 4 and right clamp 5 is rotatably connected on the first bearing pin 12, and be rotatably connected to the baffle plate 13 may extend in jaws 7 on the first bearing pin 12 between left clamp 4 and locating ring 3 outer faces, after other end docking, formation can clamp the circular jaws 7 of pipe fitting 6, on the inner ring surface of the left clamp 4 of jaws 7 interior correspondences, by screw 11 interworkings, fix a semiorbicular left core body 9, on the inner ring surface of right clamp 5, by screw 11 interworkings, fix a semiorbicular right core body 10, when left clamp 4 and right clamp 5 is closed, pipe fitting 6 is clamped in 10, left core body 9 and right core body, and pipe fitting 6 and locating ring 3 are coaxial and the retaining mechanism by 5 of left clamp 4 and right clamps by pipe fitting 6 clamping and positioning, retaining mechanism wherein comprises that symmetry is rotatably connected on the brace 81 and the pull bar 82 that is rotatably connected on right clamp 5 open ends of the long arc shape of left clamp 4 both sides, open end, on the outboard end of pull bar 82 by the screw thread sleeve 83 that spinning, outboard end at sleeve 83 is coaxially installed with a knob 14, near on the sleeve 83 of knob 14, be rotationally connected a back-up block 84 that can slide up and down along sleeve 83, back-up block 84 both sides corresponding with brace 81 are respectively with a plush copper 85, the outboard end of brace 81 is rotatably connected in plush copper 85 corresponding to back-up block 84 both sides.
During use, as shown in Figure 3 and Figure 4, first by locating ring 3 rotary clampings on double over 2, by left clamp 4 and right clamp 5, clamp the pipe fitting 6 that needs expander processing again, front and back regulate the position of pipe fitting 6, pipe fitting 6 front end faces are connected on baffle plate 13, pull again knob 14 outwards to rotate, the inside rotation docking with left clamp 4 is closed under the pulling of brace 81 of right clamp 5, continue to pull knob 14 outside, back-up block 84 drives the link of brace 81 to turn to the right side of right clamp 5, until pull bar 82 is coaxial with brace 81, outside turnbarrel 83 again, sleeve 83 drives back-up block 84 outside, pull bar 82 drives right clamp 5 overheads to lock and can carry out expander processing on left clamp 4.
Specific embodiment described herein is only to design of the present utility model explanation for example.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (6)
1. the fast-assembling tube expanding seat structure of a tube expander, comprise the locating ring (3) on the double over (2) that is coaxially screwed in centering type tube expander (1), it is characterized in that: in the external port of described locating ring (3), be provided with semiorbicular left clamp (4) and semiorbicular right clamp (5), one end of left clamp (4) and right clamp (5) is rotatably connected on locating ring (3), after other end docking, formation can clamp the jaws (7) of pipe fitting (6), jaws (7) is coaxial and by retaining mechanism, pipe fitting (6) is clamped in jaws (7) with locating ring (3), retaining mechanism wherein comprises the pull bar (82) that is rotatably connected on the brace (81) of left clamp (4) open end and is rotatably connected on right clamp (5) open end, on the outboard end of pull bar (82), be connected with sleeve (83), outside sleeve (83), be rotationally connected the back-up block (84) that can slide up and down along sleeve (83), the outboard end of brace (81) is rotatably connected on back-up block (84).
2. the fast-assembling tube expanding seat structure of tube expander according to claim 1, it is characterized in that: the parallel a pair of brace (81) that is being rotationally connected on the upper and lower end face of described left clamp (4) open end, in the outside wall surface both sides of back-up block (84), be provided with the plush copper (85) corresponding with brace (81), the outboard end of brace (81) is connected in plush copper (85).
3. the fast-assembling tube expanding seat structure of tube expander according to claim 1 and 2, is characterized in that: the outboard end at described sleeve (83) is provided with knob (14).
4. the fast-assembling tube expanding seat structure of tube expander according to claim 1 and 2, it is characterized in that: the left core body (9) that is provided with interworking on the inner ring surface of described left clamp (4), on the inner ring surface of right clamp (5), be provided with the right core body (10) of interworking, left core body (9) and right core body (10) are semi-circular and are fixed on corresponding left clamp (4) and right clamp (5) by screw (11), and pipe fitting (6) is clamped between left core body (9) and right core body (10).
5. the fast-assembling tube expanding seat structure of tube expander according to claim 1 and 2, it is characterized in that: described left clamp (4) and right clamp (5) are rotatably connected on the outer face of locating ring (3) by the first bearing pin (12), and be rotatably connected to the baffle plate (13) may extend in jaws (7) on the first bearing pin (12) between left clamp (4) and locating ring (3) outer face.
6. the fast-assembling tube expanding seat structure of tube expander according to claim 1 and 2, it is characterized in that: on the outer ring surface of described locating ring (3), be evenly equipped with several dops (15), in the double over (2) of tube expander (1), be provided with the draw-in groove (16) with dop (15) interworking, dop (15) rotary clamping is in draw-in groove (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320587058.1U CN203495056U (en) | 2013-09-23 | 2013-09-23 | Quick-mounting tube expanding base structure of tube expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320587058.1U CN203495056U (en) | 2013-09-23 | 2013-09-23 | Quick-mounting tube expanding base structure of tube expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203495056U true CN203495056U (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320587058.1U Expired - Lifetime CN203495056U (en) | 2013-09-23 | 2013-09-23 | Quick-mounting tube expanding base structure of tube expander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203495056U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI669168B (en) * | 2017-12-01 | 2019-08-21 | 黃育祥 | Expander structure |
| TWI669167B (en) * | 2017-12-01 | 2019-08-21 | 黃育祥 | Expander structure |
-
2013
- 2013-09-23 CN CN201320587058.1U patent/CN203495056U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI669168B (en) * | 2017-12-01 | 2019-08-21 | 黃育祥 | Expander structure |
| TWI669167B (en) * | 2017-12-01 | 2019-08-21 | 黃育祥 | Expander structure |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140326 |