CN215237316U

CN215237316U - Manual pipe expander with pipe expanding mechanism

Info

Publication number: CN215237316U
Application number: CN202121092916.6U
Authority: CN
Inventors: 郭高山; 何云峰; 刘志刚
Original assignee: Xinxiang Bowei Machinery Co ltd
Current assignee: Xinxiang Bowei Machinery Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-12-21
Anticipated expiration: 2031-05-21

Abstract

The utility model discloses a manual electric tube expander with expand tub mechanism, including connecting pipe, adjusting screw and connecting plate, the inside fixedly connected with screw pipe box on connecting pipe top, the inside threaded connection of screw pipe box has adjusting screw, and the inside of intubate lateral wall is provided with fixed knot and constructs. The utility model discloses a be provided with the dismouting structure, under the mosaic structure of dead slot and bloated tube head, make the inside that the dead slot can be inserted to the bloated tube head, the outside of inlaying the groove can be extruded by fixation nut when fixation nut rotates downwards, make and inlay the groove and begin to contract to the inboard and extrude the lateral wall of bloated tube head, make and inlay the groove and hug closely and can't exert oneself and extract the bloated tube head with the lateral wall of bloated tube head, only need the reverse rotation fixation nut to make it along adjusting screw outside screw thread rebound when needs are changed to the bloated tube head, it can directly extract the bloated tube head and change to inlay the groove reconversion this moment, realized the convenient dismouting to the bloated tube head.

Description

Manual pipe expander with pipe expanding mechanism

Technical Field

The utility model relates to a manual electric tube expander technical field, in particular to manual electric tube expander with expand tub mechanism.

Background

The manual pipe expander is used as equipment for expanding the radius of a pipe part, and expands the opening of the pipe through a special drill bit in a mechanical connection mode;

to this end, patent specification CN207533823U discloses a manual tube expander, which moves up and down by a screw rod and drives a tube expander head to the inside of a tube to expand the diameter of the tube, but the tube expander head is connected with the screw rod by a screw thread, the screw rod rotates to drive the tube expander head to rotate together, and the threaded connection part of the rotating tube expander head is easy to loosen and fall off.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims at providing a manual electric tube expander with expand tub mechanism for solve its threaded connection part of current expand tube head and easily appear not hard up and the defect of obscission.

(II) contents of utility model

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a manual electric tube expander with expand tub mechanism, includes connecting pipe, adjusting screw and connecting plate, the inside fixedly connected with screw thread pipe box on connecting pipe top, the inside threaded connection of screw thread pipe box has adjusting screw, the lateral wall of connecting pipe is provided with auxiliary structure, the bottom fixedly connected with connecting plate of connecting pipe, the inside top of adjusting screw runs through there is rotatory handle, the inside bottom of adjusting screw is provided with the dismouting structure, the dismouting structure is including inlaying groove, dead slot, bloated tube head and fixation nut, inlay the lateral wall in groove and the inside bottom fixed connection of adjusting screw, the inside of adjusting screw lateral wall bottom is provided with the dead slot, the bottom fixedly connected with intubate of connecting plate, the inside of intubate lateral wall is provided with fixed knot and constructs.

Preferably, the inside parcel of inlaying the groove has the mouth that expands, the below threaded connection of adjusting screw lateral wall has fixation nut.

Preferably, inlay and be mosaic structure between groove and the expand tube head is inside, the dead slot is the symmetric distribution in the inside of adjusting screw lateral wall bottom.

Preferably, the auxiliary structure comprises a rubber pad, an anti-slip groove and an observation port, the inner side wall of the rubber pad is fixedly connected with the outer side wall of the connecting pipe, the anti-slip groove is arranged inside the outer side wall of the rubber pad, and the observation port is arranged inside one end of the connecting pipe.

Preferably, the cross-sectional area of the inner diameter of the rubber pad is larger than the cross-sectional area of the outer diameter of the connecting pipe, and the observation port communicates the inside of the connecting pipe with the outside.

Preferably, fixed knot constructs including thread groove, extrusion screw and dull polish pad, the one end of thread groove and the inside fixed connection of the lateral wall of intubate, the inside threaded connection of thread groove has extrusion screw, extrusion screw's one end fixed link has the dull polish pad.

Preferably, the thread groove is distributed in the outer side wall of the insertion pipe at equal intervals, and a thread connection structure is formed between the thread groove and the inside of the extrusion screw.

(III) advantageous effects

The utility model provides a pair of manual electric tube expander with expand tub mechanism, its advantage lies in: by arranging the dismounting structure, the expansion pipe head can be inserted into the empty groove under the embedding structure of the empty groove and the expansion pipe head, when the fixing nut rotates downwards, the outer part of the embedding groove can be extruded by the fixing nut, the embedding groove starts to shrink inwards and extrude the outer side wall of the expansion pipe head, the embedding groove is tightly attached to the outer side wall of the expansion pipe head and cannot pull out the expansion pipe head forcibly, when the expansion pipe head needs to be replaced, the fixing nut only needs to rotate reversely to move upwards along the external thread of the adjusting screw rod, and at the moment, the embedding groove recovers the original shape and can directly pull out the expansion pipe head for replacement, so that the expansion pipe head is convenient to dismount;

by arranging the auxiliary structure, a user holds the rubber pad by a palm and enables fingers to be attached to the anti-slip grooves when performing pipe expansion, so that the pipe expander can be stably placed at the palm of the user when the other hand of the user rotates the rotating handle to perform pipe expansion, the user can check the whole pipe expansion process through the observation port along with the continuous rotation of the rotating handle, and the convenience of the pipe expander is improved;

through being provided with fixed knot and constructing, the inside of intubate and run through the inside of connecting plate are inserted to the tubular product that will need the expand tube, make it remove to tubular product lateral wall department along thread groove internal thread through rotating extrusion screw afterwards, with this with each extrusion screw rotate the back, the tubular product lateral wall will be hugged closely by a plurality of dull polish pads, make tubular product receive the extrusion of the dull polish pad of annular distribution, the comparatively crude frictional force increase between its and the tubular product lateral wall that makes in surface of dull polish pad simultaneously, with this make tubular product can't rock, the fixed to tubular product has been realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic bottom sectional view of the present invention;

FIG. 3 is a schematic view of the front-view disassembled partial section structure of the disassembling and assembling structure of the present invention;

FIG. 4 is a front view of the detachable structure of the present invention;

fig. 5 is a schematic diagram of the three-dimensional structure of the auxiliary structure of the present invention.

In the figure: 1. a connecting pipe; 2. a threaded pipe sleeve; 3. adjusting the screw rod; 4. rotating the handle; 5. a disassembly and assembly structure; 501. embedding a groove; 502. an empty groove; 503. expanding the pipe head; 504. fixing a nut; 6. an auxiliary structure; 601. a rubber pad; 602. an anti-slip groove; 603. a viewing port; 7. a connecting plate; 8. inserting a tube; 9. a fixed structure; 901. a thread groove; 902. extruding the screw; 903. and (5) grinding the sand cushion.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the utility model provides a manual pipe expander with pipe expanding mechanism, including connecting pipe 1, adjusting screw 3 and connecting plate 7, the inside of the top of connecting pipe 1 is fixedly connected with threaded pipe sleeve 2, the inside screw thread of threaded pipe sleeve 2 is connected with adjusting screw 3, the bottom of connecting pipe 1 is fixedly connected with connecting plate 7, the top of the inside of adjusting screw 3 is penetrated with rotating handle 4, the bottom of connecting plate 7 is fixedly connected with intubate 8, the bottom of the inside of adjusting screw 3 is provided with dismouting structure 5, dismouting structure 5 includes inlay groove 501, dead slot 502, expand tube head 503 and fixation nut 504, the lateral wall of inlay groove 501 is fixedly connected with the bottom of the inside of adjusting screw 3, the inside of the bottom of the lateral wall of adjusting screw 3 is provided with dead slot 502, the inside of inlay groove 501 is wrapped up with expand tube head 503, the lower screw thread connection of the lateral wall of adjusting screw 3 has fixation nut 504, the embedding groove 501 and the inner part of the pipe expanding head 503 are in an embedding structure, and the empty grooves 502 are symmetrically distributed in the inner part of the bottom end of the outer side wall of the adjusting screw rod 3, so that the embedding groove 501 can be extruded inwards when the fixing nut 504 slides downwards;

specifically, as shown in fig. 3 and 4, when the structure is used, firstly, the lower part of the adjusting screw rod 3 is divided into a plurality of parts by the embedding groove 501 and the empty groove 502, after the tube expansion head 503 is inserted into the embedding groove 501, the fixing nut 504 is rotated, so that the fixing nut 504 applies extrusion force to the outside of the embedding groove 501 when moving downwards, and thus the embedding groove 501 extrudes towards the outer side wall of the tube expansion head 503 and enables the embedding groove 501 and the tube expansion head 503 to be tightly attached to each other, so that the tube expansion head 503 cannot be directly pulled out, and when the tube expansion head 503 needs to be replaced, the tube expansion head 503 is more conveniently disassembled and assembled only by sliding the fixing nut 504 upwards;

the outer side wall of the connecting pipe 1 is provided with an auxiliary structure 6, the auxiliary structure 6 comprises a rubber pad 601, an anti-slip groove 602 and an observation port 603, the inner side wall of the rubber pad 601 is fixedly connected with the outer side wall of the connecting pipe 1, the anti-slip groove 602 is arranged inside the outer side wall of the rubber pad 601, the observation port 603 is arranged inside one end of the connecting pipe 1, the cross-sectional area of the inner diameter of the rubber pad 601 is larger than that of the outer diameter of the connecting pipe 1, and the observation port 603 communicates the inside of the connecting pipe 1 with the outside, so that a user can observe the pipe expanding process conveniently;

specifically, as shown in fig. 1 and 5, when using this structure, first, after a user's palm holds the outer side wall of rubber pad 601, the user's fingers will fit with anti-slip groove 602, so that the friction between the user's palm and rubber pad 601 is increased, and then the user can rotate rotating handle 4 with one hand to perform tube expansion and can check the tube expansion process through viewing port 603, so that the use of the tube expander is more convenient;

a fixing structure 9 is arranged inside the outer side wall of the insertion pipe 8, the fixing structure 9 comprises a thread groove 901, an extrusion screw 902 and a sanding pad 903, one end of the thread groove 901 is fixedly connected with the inside of the outer side wall of the insertion pipe 8, the inside of the thread groove 901 is in threaded connection with the extrusion screw 902, one end of the extrusion screw 902 is fixedly connected with the sanding pad 903, the thread groove 901 is distributed in the inside of the outer side wall of the insertion pipe 8 at equal intervals, and the thread groove 901 and the inside of the extrusion screw 902 are in a threaded connection structure, so that the extrusion screw 902 can move towards the direction of the pipe after rotating;

specifically, as shown in fig. 1 and fig. 2, when using this structure, firstly because thread groove 901 distributes for the annular, after rotating extrusion screw 902 and making it square to the tubular product to move, the dull polish pad 903 of extrusion screw 902 one end hugs closely the lateral wall of tubular product and is the annular and distributes and make the even atress of tubular product, and the dull polish pad 903 surface is comparatively crude can further increase and the tubular product lateral wall between the frictional force, makes tubular product unable rock simultaneously.

The working principle is as follows: when the pipe expanding device is used, a pipe needing pipe expanding is inserted into the insertion pipe 8 and penetrates through the connecting plate 7, then the extrusion screw 902 is sequentially rotated to move towards the outer side wall of the pipe along the internal threads of the thread groove 901, the frosted pads 903 are enabled to be tightly attached to the outer side wall of the pipe under the movement of the extrusion screw 902, and after the extrusion screws 902 are all rotated, the outer side wall of the pipe is enabled to be tightly attached to the frosted pads 903 in an annular mode, so that the pipe is fixed inside the insertion pipe 8;

secondly, after the pipe is placed, a user holds the rubber pad 601 with the palm and enables the fingers to be attached to the anti-slip groove 602, then the other hand of the user rotates the rotating handle 4 to enable the adjusting screw 3 to move towards the top end of the pipe along the internal threads of the threaded pipe sleeve 2, the bottom end of the pipe expanding head 503 is contacted with the top end of the pipe along with the continuous rotation of the rotating handle 4, and the user observes whether the pipe expanding head 503 meets the pipe expanding requirement or not through the observation port 603;

finally, when the tube expansion head 503 needs to be replaced, the fixing nut 504 is rotated to move the tube expansion head 503 upwards, then the tube expansion head 503 is pulled out downwards, the replaced tube expansion head 503 is inserted into the embedding groove 501 again, the fixing nut 504 is rotated to move the tube expansion head downwards, the inner side wall of the embedding groove 501 is tightly attached to the outer side wall of the tube expansion head 503 along with the continuous downward movement of the fixing nut 504, the embedding groove 501 is tightly attached to the tube expansion head 503, and when the tube expansion head 503 is replaced, the rotating handle 4 is continuously rotated, so that the caliber of the top end of the tube is enlarged while the adjusting screw rod 3 moves downwards, and the tube expansion work of the manual tube expansion machine is finally completed.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a manual electric tube expander with expand tub mechanism, includes connecting pipe (1), adjusting screw (3) and connecting plate (7), its characterized in that: the inner part of the top end of the connecting pipe (1) is fixedly connected with a threaded pipe sleeve (2), the inner part of the threaded pipe sleeve (2) is in threaded connection with an adjusting screw rod (3), the outer side wall of the connecting pipe (1) is provided with an auxiliary structure (6), and the bottom end of the connecting pipe (1) is fixedly connected with a connecting plate (7);

a rotating handle (4) penetrates through the top end inside the adjusting screw rod (3), a dismounting structure (5) is arranged at the bottom end inside the adjusting screw rod (3), the dismounting structure (5) comprises an embedding groove (501), an empty groove (502), a pipe expanding head (503) and a fixing nut (504), the outer side wall of the embedding groove (501) is fixedly connected with the bottom end inside the adjusting screw rod (3), and the empty groove (502) is arranged inside the bottom end of the outer side wall of the adjusting screw rod (3);

the bottom end of the connecting plate (7) is fixedly connected with an insertion tube (8), and a fixing structure (9) is arranged inside the outer side wall of the insertion tube (8).

2. A manual pipe expander having a pipe expanding mechanism as claimed in claim 1, wherein: the inner part of the embedding groove (501) is wrapped with a tube expanding head (503), and the lower part of the outer side wall of the adjusting screw rod (3) is in threaded connection with a fixing nut (504).

3. A manual pipe expander having a pipe expanding mechanism as claimed in claim 1, wherein: inlay between groove (501) and expand tube head (503) inside and be mosaic structure, dead slot (502) are the symmetric distribution in the inside of adjusting screw (3) lateral wall bottom.

4. A manual pipe expander having a pipe expanding mechanism as claimed in claim 1, wherein: auxiliary structure (6) include rubber pad (601), antiskid groove (602) and viewing aperture (603), the inside wall of rubber pad (601) and the lateral wall fixed connection of connecting pipe (1), the inside of rubber pad (601) lateral wall is provided with antiskid groove (602), the inside of connecting pipe (1) one end is provided with viewing aperture (603).

5. A manual pipe expander having a pipe expanding mechanism as claimed in claim 4, wherein: the cross-sectional area of the inner diameter of the rubber gasket (601) is larger than that of the outer diameter of the connecting pipe (1), and the inside of the connecting pipe (1) is communicated with the outside through the observation port (603).

6. A manual pipe expander having a pipe expanding mechanism as claimed in claim 1, wherein: the fixed structure (9) comprises a thread groove (901), an extrusion screw (902) and a sanding pad (903), one end of the thread groove (901) is fixedly connected with the inner part of the outer side wall of the insertion pipe (8), the extrusion screw (902) is connected with the inner thread of the thread groove (901), and the sanding pad (903) is fixedly connected with one end of the extrusion screw (902).

7. A manual pipe expander having a pipe expanding mechanism as claimed in claim 6, wherein: the thread grooves (901) are distributed in the outer side wall of the insertion pipe (8) at equal intervals, and a thread connection structure is formed between the thread grooves (901) and the inside of the extrusion screw (902).