CN212634071U

CN212634071U - Electric hole expanding machine

Info

Publication number: CN212634071U
Application number: CN202020869624.8U
Authority: CN
Inventors: 陈旷野
Original assignee: Zhejiang Dadao Electrical Appliance Co ltd
Current assignee: Zhejiang Dadao Electrical Appliance Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-03-02
Anticipated expiration: 2030-05-22

Abstract

The utility model provides an electric broaching machine. The electric hole expanding machine comprises a shell, a power supply device, a driving device, a pushing device and a hole expanding device, the power supply device supplies power to the driving device, the driving device is vertically fixed at the lower end of the pushing device, and drive the eccentric block of the pushing device to rotate, the eccentric block is by a waist shape iron plate that circular arc convex surface and circular arc concave surface constitute, the pushing device still includes the fixing base, push away the axle, the guide post, the fixing base extends has relative guide plate from top to bottom, the guide slot has been opened to the guide plate inboard, its guide plate side of fixing base is fixed with the casing, push away the axle and cup jointed pressure spring I on it, the apical axis comprises axle bed, axis body and cone in proper order, the cone side passes the fixing base and is fixed with the flaring device, I one side of pressure spring is supporting the axle bed, the other side is supporting the fixing base, the guide post plug-in is on the axle bed, and the both ends of guide post pass the axle bed card and contact with the eccentric block. The reamer is high in efficiency of installing the water pipe and stable in performance.

Description

Electric hole expanding machine

Technical Field

The utility model relates to a reaming equipment, specific electric reamer for water pipe reaming that says so.

Background

The water pipe installation generally adopts the mode of scalding the connection to fuse the connection after water pipe and joint heating, and the mounting means is not only inefficiency like this, scalds to connect not good in addition and just leaks easily, and the water pipe that some contractility are strong is connected through widening the water pipe mouth of pipe mode with the joint now, cup joints the water pipe outside the joint, just can with joint zonulae occludens after the water pipe shrink, and such mounting means can improve the installation effectiveness greatly. However, a reaming tool is needed for widening the pipe orifice of the water pipe, a pipe expander such as a pipe expander with an authorized bulletin number of CN 207071634U is generally used for widening the pipe orifice of the water pipe, a pushing driving mechanism of the pipe expander is composed of a motor, a fixed seat, a speed changing assembly, a shaft body and a conical head, a limiting mechanism is arranged between the conical head and the fixed seat, a spiral pushing mechanism is arranged between the shaft body and the conical head, and the spiral pushing mechanism comprises a spiral groove and a guide piece which are arranged on the shaft body and the conical head. The pipe expander is characterized in that a motor of a pushing driving mechanism and a shaft body of a pushing conical head are horizontally arranged in the same straight line, the motor drives the shaft body to rotate through a speed changing assembly, the conical head is required to horizontally move back and forth after the shaft body rotates, two groups of spiral grooves with opposite spiral directions are required to be formed in the shaft body, and a guide part and a limiting groove which are in spiral fit with the shaft body are arranged on the conical head; furthermore, the pipe expander expands the pipe orifice of the water pipe or the hose through the water inlet pipe or the water outlet pipe or the hose with the conical head, so that the inner wall of the water pipe or the hose is easily scratched, and water is easily leaked after the pipe expander is connected with the joint.

SUMMERY OF THE UTILITY MODEL

In view of the current defect that is used for the underreamed electric reamer of water pipe exists, the utility model aims to solve the technical problem that: the electric hole expanding machine is simple in structure, high in water pipe installation efficiency, stable in hole expanding performance and good in effect.

In order to achieve the above object, according to one aspect of the present invention, the present invention is realized by the following technical measures: an electric reamer comprising: the flaring device is fixed with the shell and connected with the pushing device, and the pushing device drives the flaring;

the pushing device comprises a fixed seat, a pushing shaft, a guide post and an eccentric block,

the fixed seat is hollow, one side of the fixed seat extends to form a guide sheet which is opposite to the fixed seat up and down, the opposite side of the guide sheet which is opposite to the fixed seat up and down is provided with a guide groove, the guide sheet side of the fixed seat is fixed with the shell,

the pushing shaft is sleeved with a pressure spring I, the pushing shaft sequentially comprises a shaft seat, a shaft body and a conical head, the side of the conical head penetrates through the fixed seat to be fixed with the flaring device, one side of the pressure spring I abuts against the shaft seat, the other side of the pressure spring I abuts against the fixed seat,

the guide post is inserted on the shaft seat, and two ends of the guide post pass through the shaft seat and are clamped in the guide groove of the guide sheet,

the side wall of the eccentric block is a waist-shaped iron block consisting of an arc convex surface and an arc concave surface, the arc convex surface or the arc concave surface of the eccentric block is in contact with the shaft seat, the eccentric block is fixed with the driving device, and the driving device and the eccentric block are vertically arranged.

This electric hole expanding machine is through redesigning ejection device, make the vertical ejecting device operation that drives of drive arrangement, the structure can become more simple and compact like this, promote simultaneously through the eccentric block and push away the axle and slide by the concave surface to the convex surface along eccentric block lateral wall curved surface, the cone of top push away the axle passes flaring device, make flaring device carry out the flaring to the water pipe, and push away the axle and move back under the effect of pressure spring I, the flaring device folds again, just so widen once for the water supply pipe, the water pipe can cup joint outside the joint that is greater than the water pipe diameter after being widened several times, just connect zonulae occludens after the water pipe shrink, its installation water pipe is efficient, and the stable performance of hole expanding machine.

Furthermore, a handle is arranged on the shell, the driving device is composed of a motor and a reduction gearbox, the motor drives the reduction gearbox to operate, the eccentric block is arranged above the reduction gearbox, and an output shaft of the reduction gearbox is connected with the eccentric block.

Furthermore, a notch is formed in the center of the outer side of the shaft seat, the guide post penetrates through the notch, a vertical shaft is arranged on the guide post in the notch, and the vertical shaft is in contact with the arc convex surface or the arc concave surface of the eccentric block.

Furthermore, opposite horizontal through grooves are formed in the center of the shaft body and on the two opposite sides of the shaft body, inclined grooves are formed in the tail ends of the horizontal through grooves, the two inclined grooves face opposite directions,

the flaring device comprises a rotating seat, a claw head seat, a pressure spring II and an annular spring,

the rotary seat is sleeved on the shaft body and is abutted against the pressure spring I, the rotary seat is composed of a front rotary seat and a rear rotary seat, opposite surfaces of the front rotary seat and the rear rotary seat are respectively provided with a ring of gear ring smaller than the rotary seat, the gear rings on the two rotary seats can be meshed, the rear rotary seat is provided with a plurality of pin shafts, two ends of the pin shafts are respectively clamped with the chute and the triangular through holes arranged on the fixed seat after passing through the rear rotary seat, the outer side of the front rotary seat is provided with a plurality of insertion blocks,

two ends of the pressure spring II are respectively clamped at the outer sides of the two gear rings,

the claw head is formed by splicing a plurality of claw blocks, one end of the claw head extends outwards to form a stepped cylinder with the diameter larger than that of the claw head, the other end of the claw head extends outwards to form a conical round table, spring grooves are arranged on the claw head and the stepped cylinder, an inserting block I inserted with the inserting block in a staggered peak mode is further arranged on the outer side of the stepped cylinder, a conical cavity matched with the conical head is formed in the claw head on the side of the stepped cylinder,

the annular spring is sleeved in the spring groove,

the claw head seat is used for fixing the claw head and the fixed seat. Above-mentioned design makes the reaming position can not be single only in that few, and the improvement promotes the reaming effect, can effectively avoid the problem of pulling the water pipe wall moreover.

Furthermore, the claw head between the two annular clamping grooves is also provided with an annular clamping groove which is close to the stepped cylinder, a central screw hole in threaded connection with the fixing seat is arranged in the claw head seat, one side of the claw head seat is fixedly provided with a retaining ring clamped in the annular clamping groove, and a gap is reserved between the retaining ring and the bottom of the annular clamping groove. The above design is convenient for fixing.

Furthermore, the claw head is formed by splicing six claw blocks.

Compared with the prior art, the utility model has the advantages of: the efficiency of installing the water pipe is high, the performance of the broaching machine is stable, and meanwhile, the gap which is expanded between the two claw blocks does not always correspond to the same part of the inner pipe wall of the water pipe to generate scars which can strain the pipe wall of the water pipe.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

fig. 1 is an exploded view of the electric reamer of the present invention.

Fig. 2 is a schematic view of a part of the pushing device of the present invention.

Fig. 3 is a schematic view of the part of the flaring device of the present invention.

Description of reference numerals: 1. a housing; 2. a power supply device; 3. a drive device; 4. a pushing device; 5. a flaring device; 6. a fixed seat; 7. pushing the shaft; 8. a guide post; 9. an eccentric block; 10. a guide piece; 11. a pressure spring I; 12. a shaft seat; 13. a shaft body; 14. a conical head; 15. 16, arc convex surface; 17. a motor; 18. a reduction gearbox; 19. a vertical axis; 20. a horizontal through groove; 21. a chute; 22. a rotating base; 23. a claw head; 24. a claw head seat; 25. a pressure spring II; 26. a ring spring; 27. a front rotary seat; 28. a rear rotating base; 29. a ring gear; 30. a pin shaft; 31. a triangular through hole; 32. an insertion block; 33. a claw block; 34. a stepped cylinder 35 and a conical circular table; 36. a spring groove; 37. an insertion block I; 38. a tapered cavity; 39. an annular neck; 40. a central screw hole; 41. a check ring is abutted; 42. a handle.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "bottom", "top", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1, the electric hole expanding machine provided in this embodiment includes a housing 1, a power supply device 2, a driving device 3, a pushing device 4 and a flaring device 5, a handle 42 is fixed on the left side of the housing 1, the power supply device 2 is fixed on the lower portion of the inner side of the housing 1, the driving device 3 is fixed on the right side of the inner portion of the housing 1, the pushing device 4 is horizontally fixed in the housing 1 above the driving device 3, the flaring device 5 is fixed in the housing 1 on the right side of the pushing device 4, the driving device 3 includes a motor 17 and a reduction gearbox 18, the motor 17 is vertically disposed, and the reduction gearbox 18 is fixed above the motor 17.

Continuing with the description with reference to fig. 2 and 3, the pushing device 4 includes a fixed seat 6, a pushing shaft 7, a pressure spring i 11 and an eccentric block 9, the eccentric block 9 is fixed above the reduction box 18, the output shaft of the reduction box 18 is connected with the eccentric block 9 and drives the eccentric block 9 to rotate, the eccentric block 9 is a kidney-shaped iron block whose right side wall is composed of an arc convex surface 15 and an arc concave surface 16, the fixed seat 6 is a hollow cylinder with two open ends, the right end of the fixed seat is provided with an external thread, the upper and lower sides of the left end are respectively extended with a corresponding guide plate 10, the guide plate 10 is provided with a guide slot, the side wall of the middle part of the fixed seat 6 is provided with two corresponding triangular through holes 31, the fixed seat 6 is inserted and fixed in the right end of the housing 1, the pushing shaft 7 is composed of a shaft body 13, a shaft seat 12 and a conical head 14, the shaft seat 13 is connected with, the shaft body 13 is a hollow cylinder, and opposite horizontal through grooves 20 are opened on front and back opposite side walls, the end of the horizontal through groove 20, that is, the right end, is also opened with a chute 21, the opposite two chutes 21 are opposite in direction, one is inclined upward and the other is inclined downward, the center of the left end of the shaft seat 12 is opened with a gap, a vertical shaft 19 is inserted in the gap, the rotary seat 22 comprises a front rotary seat 27 and a back rotary seat 28, the front and back rotary seats are both annular plastic seats, and the opposite surfaces of the front and back rotary seats are respectively opened with a ring gear 29 smaller than the rotary seat 22, the two rotary seats 22 can be engaged through the ring gear 29, the right end of the front rotary seat 27 is extended outwards with a plurality of inserting blocks 32, the front and back sides of the back rotary seat 28 are opened with pin shaft through holes, the two rotary seats 22 are inserted in the fixed seat 6 and are sleeved outside the shaft body 13, the back rotary seat 28 is fixed with the shaft body 13, one side of a pin shaft 30 sequentially passes through a triangular through hole 31 at one side of a fixed seat 6, a pin shaft through hole at one side of a rear rotating seat 28, a chute 21 of a shaft body 13 and a pin shaft through hole at the other side of the rear rotating seat 28 and is positioned in the triangular through hole 31 at the other side of the fixed seat 6, the pressure spring I11 is sleeved on the shaft body 13, one end of the pressure spring is abutted against a shaft seat 12, the other end of the pressure spring is abutted against the rear rotating seat 28, a pressure spring II 25 is sleeved outside a gear ring 29 of the front rotating seat and the rear rotating seat, two ends of the pressure spring are respectively abutted against the front rotating seat and the rear rotating seat outside the gear ring 29, a guide post 8 on the shaft seat 12 is inserted in a guide groove of two guide sheets 10 on the fixed seat 6, the side wall of a vertical shaft 19 is abutted against a concave surface of an eccentric block 9, and a vertical shaft 19 of a pushing shaft 7 slides back to the concave surface along the concave surface of the eccentric block 9, the flaring device 5 comprises a claw head 23, a claw head seat 24 and an annular spring 26 besides a rotating seat 22, wherein the claw head 23 is formed by splicing six claw blocks 33, the left end of the claw head 23 is a stepped cylinder 34, the right end of the claw head 23 is a conical circular truncated cone 35, a plurality of insertion blocks I37 are fixed on the left end surface of the stepped cylinder 34, annular spring grooves 36 are formed on the stepped cylinder 34 and the claw blocks 33, the annular spring grooves 36 are sleeved in the spring grooves 36 of the claw head 23 through the annular spring 26, so that the six claw blocks 33 form the whole claw head 23, a conical cavity 38 for inserting the conical head 14 is formed in the claw head 23, an annular clamping groove 39 is formed in the claw head 23 between the two spring grooves 36, the claw head seat 24 is a hollow cylinder with openings at two ends, a resisting ring 41 is fixed at the right end, a central screw hole 40 is formed in the center of the claw head seat 24, the claw head 23 is arranged in the claw head 24, and the annular clamping groove 39 of the claw head 23 is arranged on the resisting ring 41 of the claw head, a gap is reserved between the bottom of the annular clamping groove 39 of the claw head 23 and the resisting ring 41 of the claw head seat 24, the central screw hole 40 of the claw head seat 24 is screwed on the external thread of the fixed seat 6, and the inserting block I37 on the stepped cylinder 34 is inserted into the inserting block 32 of the front rotary seat 27 in a staggered mode.

When the electric hole expanding machine provided by the embodiment is used, the motor 17 of the driving device 3 drives the eccentric block 9 to rotate through the reduction box 18, the eccentric block 9 pushes the vertical shaft 19 of the pushing shaft 7 to slide from a concave surface to a convex surface along the curved surface of the side wall of the eccentric block 9, so that the pushing shaft 7 is forced to horizontally advance under the guide of the guide post 8 of the vertical shaft 19 and the guide groove of the guide piece 10 of the fixed seat 6, the conical head 14 of the pushing shaft 7 passes through the conical cavity 38 of the claw head 23, so that the six claw pieces 33 of the claw head 23 are opened to enlarge the water pipe sleeved outside the claw head 23, when the vertical shaft 19 of the pushing shaft 7 slides to the most convex part of the eccentric block 9 and then returns to the concave surface of the eccentric block 9, at the moment, the pushing shaft 7 moves back under the action of the compression spring I11, the conical head 14 returns to the conical cavity 38 of the claw head 23, the claw pieces 33 of the claw head 23 are re-folded again, so that the water pipe is expanded once, the water pipe can cup joint outside the joint that is greater than the water pipe diameter after being widened several times, the water pipe contracts after just with joint zonulae occludens, its installation water pipe is efficient, and the performance of reamer is stable, it leads to groove 20 and chute 21 to establish the level simultaneously on top push shaft 7, and set up roating seat 22 outside top push shaft 7, roating seat 22 pegs graft with claw head 23 alternate peak, be rotatory claw head 23 when claw head 23 just begins to be strutted, make the gap of strutting between two claw pieces 33 of claw head 23 can not correspond the same position of pipe wall in the water pipe all the time and produce the scar of drawing the water pipe wall, the process of its work is: the two ends of the pin shaft 30 of the rear rotary seat 28 are located at the bottoms of the two chutes 21 of the pushing shaft 7, when the pushing shaft 7 moves forward, the pin shaft 30 slides along the chutes 21 of the pushing shaft 7, because the directions of the two chutes 21 are opposite, the rear rotary seat 28 rotates, meanwhile, the rear rotary seat 28 is meshed with the front rotary seat 27 to drive the front rotary seat 27 to rotate, the front rotary seat 27 drives the conical head 14 to rotate, when the pin shaft 30 slides to the horizontal through groove 20 along the chutes 21, the pin shaft rotates, the pin shaft 22 does not rotate any more, at this time, the claw head 23 can only be propped open by the pushing shaft 7, and when the pushing shaft 7 moves backward, the pin shaft 30 on the rear rotary seat 28 is pushed back to the bottoms of the two chutes 21 under the action of the pressure spring ii 25.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various changes and modifications may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electric reamer comprising: the flaring device is fixed with the shell and connected with the pushing device, and the pushing device drives the flaring;

it is characterized in that the preparation method is characterized in that,

2. The electric reamer as claimed in claim 1, wherein the housing is provided with a handle, the driving device comprises a motor and a reduction gearbox, the motor drives the reduction gearbox to operate, the eccentric block is arranged above the reduction gearbox, and an output shaft of the reduction gearbox is connected with the eccentric block.

3. The electric reamer of claim 1, wherein the shaft seat has a notch formed at a central position of an outer side thereof, the guide post passes through the notch, and a vertical shaft is provided on the guide post in the notch, the vertical shaft being in contact with the convex or concave circular arc surface of the eccentric block.

4. The motorized reamer of claim 1,

opposite horizontal through grooves are formed in the center of the shaft body and on the opposite two sides of the shaft body, inclined grooves are formed in the tail ends of the horizontal through grooves, the directions of the two inclined grooves are opposite,

the annular spring is sleeved in the spring groove,

the claw head seat is used for fixing the claw head and the fixed seat.

5. The electric hole expanding machine according to claim 4, wherein a circular clamping groove is further formed in the claw head between the two circular clamping grooves, the circular clamping groove is arranged close to the stepped cylinder, a central screw hole in threaded connection with the fixed seat is formed in the claw head seat, a retaining ring clamped in the circular clamping groove is fixed on one side of the claw head seat, and a gap is reserved between the retaining ring and the bottom of the circular clamping groove.

6. An electric reamer as claimed in claim 4 or 5, wherein the claw head is formed by six claw pieces.