CN211915104U

CN211915104U - Novel explosion-proof pipe bender

Info

Publication number: CN211915104U
Application number: CN202020537618.2U
Authority: CN
Inventors: 高志洋; 彭景杰
Original assignee: Zhangzhou Tianlong Non Sparking Tools Co ltd
Current assignee: Zhangzhou Tianlong Non Sparking Tools Co ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-11-13
Anticipated expiration: 2030-04-13

Abstract

The utility model discloses a novel explosion-proof hickey belongs to hickey technical field. The explosion-proof pipe bender comprises a fixed seat and a movable seat, and the fixed seat and the movable seat are rotatably connected through a connecting rod. The top end of the fixed rod extending out of the fixed seat is provided with a clamping block, the clamping block is connected with the fixed rod through an adjusting structure, and the side face of the fixed seat is provided with a first clamping groove and a second clamping groove which are arc-shaped and have different radiuses. The middle part of the movable seat is provided with a movable rod, the side surface of the movable seat close to the fixed seat is rotatably provided with a pressing wheel, and the pressing wheel is provided with a first clamping groove and a second clamping groove which have different radiuses and respectively correspond to the first clamping groove and the second clamping groove. The bottom of fixing base is provided with the limiting plate that has limiting displacement to the connecting rod, and the bottom of dead lever and movable rod is connected with the extension bar through joint structure. The utility model adopts the above structure novel explosion-proof hickey can solve current hickey and can only buckle the pipeline of a size, buckle hard problem to the hard tube.

Description

Novel explosion-proof pipe bender

Technical Field

The utility model belongs to the technical field of the hickey device technique and specifically relates to a novel explosion-proof hickey.

Background

The pipe bender is divided into a manual pipe bender and an automatic pipe bender, and the manual pipe bender is usually used for bending a pipeline in the installation process of decoration and lines. The explosion-proof pipe bender is required to be used in some special occasions, the material of the explosion-proof pipe bender generally takes beryllium bronze and aluminum bronze as raw materials, the beryllium bronze and aluminum bronze alloy does not generate sparks during impact or friction, and the explosion-proof pipe bender is applied to the occasions with explosiveness, inflammability, strong magnetism and corrosivity. The existing manual pipe bender can only bend a pipeline with one specification, and can only bend a pipeline with softer material, so that the manual pipe bender is labor-consuming in bending a hard pipeline. And no limiting device is arranged on the pipe bender, so that the bending angle is not easy to determine.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel explosion-proof hickey solves current hickey and can only buckle the pipeline of a size, buckle hard problem to the hard tube.

In order to achieve the purpose, the utility model provides a novel explosion-proof pipe bender, which comprises a fixed seat and a movable seat, wherein the fixed seat is connected with the movable seat through a connecting rod, and two ends of the connecting rod are respectively connected with the fixed seat and the movable seat in a rotating way;

the fixed seat is arranged on the fixed rod, a clamping block is arranged at the top end, extending out of the fixed seat, of the fixed rod, the clamping block is connected with the fixed rod through an adjusting structure, and a first clamping groove and a second clamping groove which are arc-shaped and have different radiuses are arranged on the side face, close to the movable seat, of the fixed seat;

a movable rod is arranged in the middle of the movable seat, a support is arranged on the side face, close to the fixed seat, of the movable seat, a pressing wheel is rotatably arranged on the support, and a first clamping groove and a second clamping groove which are different in radius and respectively correspond to the first clamping groove and the second clamping groove are formed in the pressing wheel;

a limiting plate which has a limiting effect on the connecting rod is arranged at the bottom of the fixing seat, a plurality of limiting holes are formed in the limiting plate, and stop pins are inserted into the limiting holes;

the bottoms of the fixed rod and the movable rod are connected with an extension rod through a clamping structure.

Preferably, the adjusting structure comprises a plurality of adjusting holes formed in the side plate of the fixing rod, connecting holes are formed in the side face, close to the side plate, of the fixture block, and the adjusting holes are fixedly connected with the connecting holes through screws.

Preferably, the radius of the first clamping groove is equal to that of the first clamping groove, and the radius of the second clamping groove is equal to that of the second clamping groove.

Preferably, the limiting plate is of a semicircular structure, the limiting hole is a threaded hole, and the bottom of the stop pin is provided with an external thread matched with the internal thread of the limiting hole.

Preferably, the joint structure includes plug and sleeve, and the one end that dead lever and movable rod are close to the extension rod is provided with the plug, and the one end of extension rod is provided with the sleeve, and telescopic outside cover is equipped with the movable sleeve, is provided with the spring between movable sleeve and the sleeve, is provided with positioning spring's spacing arch on the internal surface of movable sleeve, is provided with the card ball between movable sleeve and the sleeve, and the position that corresponds the card ball on the telescopic lateral wall is provided with the through-hole, and the diameter of through-hole is not more than the diameter of card ball, is provided with the ring groove who uses with the cooperation of card.

Preferably, the end of the plug is provided with a limiting groove, and the side wall of the sleeve is provided with a limiting pin.

Preferably, the lower part of the extension bar is provided with an anti-slip sleeve.

Preferably, the fixed seat, the movable seat and the connecting rod are connected through a pin shaft, an annular groove is formed in the bottom of the pin shaft, and a clamp spring for preventing the pin shaft from slipping is arranged in the groove.

A novel explosion-proof hickey, be provided with draw-in groove one and draw-in groove two that the radius is unequal on the fixing base, be provided with corresponding clamp groove one and clamp groove two on the sliding seat, can buckle to the pipeline of different pipe diameters. The bottom of fixing base is provided with the limiting plate, can inject the turned angle of connecting rod to inject the angle of buckling of pipeline. One end of the fixed rod and one end of the movable rod are inserted with the extension rod, so that the pipe bender is more labor-saving in work. The distance between the clamping block and the fixed seat can be adjusted to adapt to the clamping of pipelines with different pipe diameters.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a novel explosion-proof pipe bender of the present invention;

fig. 2 is a schematic cross-sectional structural view of an embodiment of the novel explosion-proof pipe bender of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 1;

fig. 4 is a schematic diagram of a limiting plate structure of an embodiment of the novel explosion-proof pipe bender of the present invention;

fig. 5 is a schematic structural diagram of a plug of an embodiment of the novel explosion-proof pipe bender of the present invention;

fig. 6 is a schematic view of an extension bar connecting structure of an embodiment of the novel explosion-proof pipe bender of the present invention.

Reference numerals

1. A fixed seat; 2. a movable seat; 3. a connecting rod; 4. a pin shaft; 5. a support; 6. a pinch roller; 7. a movable rod; 8. fixing the rod; 9. lengthening a rod; 10. an anti-slip sleeve; 11. a clamping block; 12. a movable sleeve; 13. a first clamping groove; 14. a second clamping groove; 15. a first clamping groove; 16. a second clamping groove; 17. a limiting plate; 18. a stop pin; 19. a clamp spring; 20. a side plate; 21. an adjustment hole; 22. a screw; 23. a limiting hole; 24. a plug; 25. a card slot; 26. a limiting groove; 27. blocking the ball; 28. a spring; 29. a spacing pin; 30. a sleeve.

Detailed Description

Examples

Fig. 1 is a schematic structural view of an embodiment of a novel explosion-proof pipe bender, fig. 2 is a schematic sectional structural view of an embodiment of the novel explosion-proof pipe bender, and fig. 3 is a partially enlarged view of a portion a in fig. 1. As shown in the figure, the novel anti-explosion pipe bender comprises a fixed seat 1 and a movable seat 2, wherein the fixed seat 1 is connected with the movable seat 2 through a connecting rod 3. Two ends of the connecting rod 3 are respectively connected with the fixed seat 1 and the movable seat 2 in a rotating way through a pin shaft 4. The top of round pin axle 4 is provided with the pressure head, and the bottom is provided with annular recess, is provided with jump ring 19 in the recess, and jump ring 19 card is established in the recess, prevents that round pin axle 4 from slipping from connecting rod 3. The clamp spring 19 is of an existing structure and has certain elasticity, and an opening is formed in the clamp spring 19 and clamped in the groove of the pin shaft 4 through the opening.

The fixing seat 1 is arranged on the fixing rod 8, and the fixing seat 1 and the fixing rod 8 are welded or are of an integrated structure. The top end of the fixed rod 8 extending out of the fixed seat 1 is provided with a fixture block 11, and the fixture block 11 is connected with the fixed rod 8 through an adjusting structure. The adjusting structure comprises a plurality of adjusting holes 21 arranged on a side plate 20 of the fixing rod 8, and the side plate 20 and the fixing rod 8 are welded or integrally formed. The side surface of the clamping block 11 close to the side plate 20 is provided with a connecting hole, and the adjusting hole 21 is fixedly connected with the connecting hole through a screw 22. The distance between the fixture block 11 and the fixing seat 1 can be adjusted by selecting different adjusting holes 21 to connect with the connecting holes, so that the clamping requirement of pipelines with different diameters between the fixture block 11 and the fixing seat 1 is met. The side surface of the fixed seat 1 close to the movable seat 2 is provided with a

first clamping groove

25, 13 and a

second clamping groove

25, 14 which are arc-shaped and have different radiuses.

The middle part of the movable seat 2 is provided with a movable rod 7, and the movable rod 7 and the movable seat 2 are welded or integrally formed. The side of the movable seat 2 close to the fixed seat 1 is welded with a support 5, and the support 5 is rotatably provided with a pinch roller 6. The center of the pinch roller 6 is fixedly provided with a rotating shaft, the support 5 is provided with a through hole for the rotating shaft to pass through, and the aperture of the through hole is slightly larger than the diameter of the rotating shaft, so that the rotating shaft can freely rotate on the support 5. Clamping grooves I15 and clamping grooves II 16 which are different in radius and respectively correspond to the clamping grooves I13 and II 14 are formed in the side face of the pinch roller 6, the radius of the clamping grooves I13 and II 15 is equal, and the radius of the clamping grooves II 14 and II 16 is equal. The pipeline is clamped between the clamping groove 25I 13 and the clamping groove I15 or/and between the clamping groove 25 II 14 and the clamping groove II 16. The arrangement of the first clamping groove 25, the second clamping groove 25, the first clamping groove 15 and the second clamping groove 16 can be used for simultaneously or independently bending pipelines with different pipe diameters.

Fig. 4 is a schematic diagram of a limiting plate structure of an embodiment of the novel explosion-proof pipe bender of the present invention. As shown in the figure, the bottom of fixing base 1 is welded or bolted with limiting plate 17 that has limiting effect to connecting rod 3, and limiting plate 17 is semi-circular structure. The limiting plate 17 is provided with a plurality of limiting holes 23, and stop pins 18 are inserted in the limiting holes 23. The limiting hole 23 is a threaded hole, the bottom of the stop pin 18 is provided with an external thread matched with the internal thread of the limiting hole 23, and the top of the stop pin 18 is higher than the bottom of the connecting rod 3. The stop pin 18 on the stop plate 17 can control the rotation angle of the connecting rod 3, so that a pipeline with a certain bending angle is obtained.

Fig. 5 is a schematic structural view of a plug of an embodiment of the novel explosion-proof pipe bender, and fig. 6 is a schematic structural view of a connection structure of an extension rod of an embodiment of the novel explosion-proof pipe bender. The bottoms of the fixed rod 8 and the movable rod 7 are connected with an extension rod 9 through a clamping structure, and the lower part of the extension rod 9 is provided with an anti-skidding sleeve 10. The clamping structure comprises a plug 24 and a sleeve 30, the plug 24 is arranged at one end of the fixed rod 8 and the movable rod 7 close to the extension rod, and the sleeve 30 is arranged at one end of the extension rod 9. The outer portion of the sleeve 30 is sleeved with the movable sleeve 12, and the inner diameter of the movable sleeve 12 is larger than the outer diameter of the sleeve 30, so that the movable sleeve 12 can slide on the outer portion of the sleeve 30. A spring 28 is arranged between the movable sleeve 12 and the sleeve 30, the bottom of the spring 28 is fixed on a boss on the outer wall of the sleeve 30, and the top of the spring 28 is fixed on a limiting bulge on the inner surface of the movable sleeve 12. A clamping ball 27 is arranged between the movable sleeve 12 and the sleeve 30, a through hole is arranged on the side wall of the sleeve 30 corresponding to the position of the clamping ball 27, and the diameter of the through hole is not larger than that of the clamping ball 27. The plug 24 is provided with a ring-shaped clamping groove 25 which is matched with the clamping ball 27 for use. The end of the plug 24 is provided with a limiting groove 26, the side wall of the sleeve 30 is provided with a limiting pin 29, and the limiting pin 29 is inserted into the limiting groove 26 to prevent the plug 24 and the sleeve 30 from rotating relatively. When the ball clamping device is used, pressure is applied to the movable sleeve 12, the spring 28 is compressed, the movable sleeve 12 moves relative to the sleeve 30, and a larger moving space is provided for the ball clamping 27 above the limiting protrusion in the movable sleeve 12; the plug 24 is inserted into the sleeve 30, the limit pin 29 is aligned with the limit groove 26, and the clamping ball 27 moves towards the space above the limit bulge under the extrusion of the side wall of the plug 24, so that the plug 24 can be smoothly inserted into the sleeve 30; when the force applied to the movable sleeve 12 is released, the movable sleeve 12 moves upwards under the action of the spring 28, the clamping ball 27 moves towards the through hole on the side wall of the sleeve 30 under the extrusion of the limiting protrusion, and the clamping ball 27 is clamped in the clamping groove 25 to realize the reliable connection of the plug 24 and the sleeve 30. When the plug is detached, downward force is applied to the movable sleeve 12, and the plug 24 is directly pulled out. In order to improve the connection strength between the plug 24 and the sleeve 30, the detent ball 27 may be provided in plurality.

The extension bar 9 is inserted on the fixed bar 8 and the movable bar 7, so that the length of the force application bar is increased, labor is saved in bending the pipe, and the hard pipe can be easily bent.

The utility model discloses a hickey be the explosion-proof hickey that adopts beryllium bronze or aluminum bronze to make.

Therefore, the utility model adopts the above structure novel explosion-proof hickey, can solve current hickey can only buckle the pipeline of a size, buckle hard problem to the hard tube, can also buckle definite angle.

The above are specific embodiments of the present invention, but the scope of protection of the present invention should not be limited thereto. Any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention, and therefore, the protection scope of the present invention is subject to the protection scope defined by the claims.

Claims

1. A novel explosion-proof hickey, its characterized in that: the device comprises a fixed seat and a movable seat, wherein the fixed seat is connected with the movable seat through a connecting rod, and two ends of the connecting rod are respectively in rotating connection with the fixed seat and the movable seat;

2. The novel explosion-proof pipe bender as claimed in claim 1, wherein: the adjusting structure comprises a plurality of adjusting holes formed in the side plate of the fixing rod, connecting holes are formed in the side face, close to the side plate, of the fixture block, and the adjusting holes are fixedly connected with the connecting holes through screws.

3. The novel explosion-proof pipe bender as claimed in claim 1, wherein: the radius of the first clamping groove is equal to that of the first clamping groove, and the radius of the second clamping groove is equal to that of the second clamping groove.

4. The novel explosion-proof pipe bender as claimed in claim 1, wherein: the limiting plate is of a semicircular structure, the limiting hole is a threaded hole, and the bottom of the stop pin is provided with an external thread matched with the internal thread of the limiting hole.

5. The novel explosion-proof pipe bender as claimed in claim 1, wherein: the joint structure includes plug and sleeve, and the one end that dead lever and movable rod are close to the extension rod is provided with the plug, and the one end of extension rod is provided with the sleeve, and telescopic outside cover is equipped with the movable sleeve, is provided with the spring between movable sleeve and the sleeve, is provided with positioning spring's spacing arch on the internal surface of movable sleeve, is provided with the card ball between movable sleeve and the sleeve, and the position that corresponds the card ball on the telescopic lateral wall is provided with the through-hole, and the diameter of through-hole is not more than the diameter of card ball, is provided with the ring groove who uses with the cooperation of.

6. The novel explosion-proof pipe bender as claimed in claim 5, wherein: the end of the plug is provided with a limiting groove, and a limiting pin is arranged on the side wall of the sleeve.

7. The novel explosion-proof pipe bender as claimed in claim 1, wherein: the lower part of the extension bar is provided with an anti-skid sleeve.

8. The novel explosion-proof pipe bender as claimed in claim 1, wherein: the fixed seat, the movable seat and the connecting rod are connected through a pin shaft, an annular groove is formed in the bottom of the pin shaft, and a clamp spring for preventing the pin shaft from slipping is arranged in the groove.