CN212044307U

CN212044307U - Internal support clamp for pipe

Info

Publication number: CN212044307U
Application number: CN201922443268.3U
Authority: CN
Inventors: 郑穆森
Original assignee: Kunshan Minglijia Metal Products Co ltd
Current assignee: Changshu minglijia metal products Co.,Ltd.
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-12-01
Anticipated expiration: 2029-12-30

Abstract

The utility model relates to an internal bracing fixture for pipes, belonging to the technical field of fixtures; the supporting beam is arranged between the chassis and the adjusting disc, the top of the supporting beam extends to the periphery of the chassis, each supporting beam corresponds to one adjusting screw, a rotating matching device is arranged between the adjusting disc and the adjusting screw, and when the adjusting disc rotates, all the adjusting screws are driven by the rotating matching device to rotate synchronously so as to drive the corresponding supporting beams to move synchronously along the radial direction; the utility model provides an internal stay anchor clamps for tubular product gets fixed tubular product from the inside clamp of tubular product, avoids causing the damage to the surface of tubular product, promotes operating efficiency and processingquality.

Description

Internal support clamp for pipe

Technical Field

The utility model relates to an internal stay anchor clamps for tubular product belongs to anchor clamps technical field.

Background

Tubular product can be used as raw and other materials in modern processing often, in current tubular product processing, adopts anchor clamps to press from both sides from the tubular product outside more and gets, nevertheless gets the in-process of pressing from both sides and can harm the tubular product surface, causes sunken clamp mark, presss from both sides seal etc. to cause the influence to processing, polishing etc. on follow-up tubular product surface, influence operating efficiency and processingquality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the prior art, provide an internal stay anchor clamps for tubular product, get fixed tubular product from the inside clamp of tubular product, avoid causing the damage to the surface of tubular product, promote operating efficiency and processingquality.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an internal stay anchor clamps for tubular product, its includes that chassis, equidistance ring establish in the chassis and along the chassis radial gliding a plurality of prop roof beam, along the radial setting of chassis with the chassis rotate be connected and with prop roof beam threaded connection's adjusting screw, with chassis parallel coaxial arrangement and with the chassis rotate be connected the adjustment disk and be used for restricting chassis and adjustment disk relative pivoted locking axle, prop the roof beam setting between chassis and adjustment disk, prop the roof beam top and extend the chassis periphery, every props the roof beam and corresponds an adjusting screw, all be equipped with the normal running fit device between adjustment disk and the adjusting screw, thereby drive the corresponding roof beam that props of driving along radial synchronous movement through the synchronous rotation of all adjusting screw of normal running fit device drive when the adjustment disk rotates.

Furthermore, the screw pitch and the rotation direction of the adjusting screw are the same.

Further, the rotating matching device comprises an adjusting gear coaxially vertically arranged on the adjusting screw rod and an adjusting gear sleeve coaxially arranged on the inner side of the adjusting disc, and the adjusting gear sleeve can be meshed with the adjusting gear to rotate in a matching mode.

Furthermore, the outer end of the supporting beam is provided with a flexible buffer block.

Furthermore, the outer surface of the flexible buffer block is raised into an arc shape and is provided with a plurality of inwards-recessed anti-slip grooves extending along the direction of the rotation axis of the chassis.

Furthermore, a rotating handle slot is arranged in the adjusting disc along the radial direction.

Furthermore, the locking shaft comprises a spline shaft and a locking baffle coaxially and fixedly arranged outside the spline shaft, a locking through hole is coaxially arranged on the locking shaft, and communicated inner spline locking holes matched with the spline shaft are formed in the chassis and the adjusting disc; the spline shaft sequentially penetrates through the adjusting disc and the inner spline locking hole in the chassis, and the screw sequentially penetrates through the locking through hole and the adjusting disc and then is in threaded connection and locked with the chassis.

Compared with the prior art, the utility model discloses the beneficial effect who reaches:

1. the technical scheme is that a plurality of supporting beams are connected with a chassis in a sliding manner along the radial direction, and the outer ends of the supporting beams are contacted with the inner wall of a pipe to be abutted and locked, so that the pipe is clamped and locked;

2. according to the technical scheme, the supporting beam is adjusted through the threaded screw rod, so that the adjusting precision is high, the transmission is reliable, and the working stability is good;

3. the technical scheme is matched and locked through the spline, is convenient and quick and is reliable in matching;

4. the technical scheme is provided with the rotary handle slot, so that a rod-shaped object can be conveniently inserted into the rotary slot, a rotary power arm is enlarged, and the rotary locking is more convenient;

5. this technical scheme props the roof beam outer end and is equipped with flexible buffer block and can provide the buffering between propping roof beam and tubular product inner wall, prevents that direct rigid contact from causing the damage to tubular product inside.

Drawings

Fig. 1 is a schematic view of a matching among a chassis, a supporting beam and an adjusting screw of an inner supporting clamp for a pipe according to an embodiment of the present invention;

fig. 2 is a schematic bottom view of an adjusting plate of an inner supporting clamp for a pipe according to an embodiment of the present invention;

fig. 3 is a schematic overall side view of an internal support clamp for a pipe according to an embodiment of the present invention;

fig. 4 is a schematic top view of a locking shaft of an inner support clamp for a pipe according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of a partial fit between an inner supporting fixture chassis, a supporting beam and an adjusting screw for a pipe according to an embodiment of the present invention.

Description of reference numerals: the locking device comprises a base plate 1, a supporting beam 2, an adjusting screw 3, an adjusting disc 4, a locking shaft 5, a rotating matching device 6, an adjusting gear 7, an adjusting gear sleeve 8, a flexible buffer block 9, an anti-skidding groove 10, a rotating handle slot 11, a spline shaft 12, a locking baffle 13, a locking through hole 14 and an internal spline locking hole 15.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being 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. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

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 by those of ordinary skill in the art through specific situations.

The inner supporting clamp for the pipe comprises a chassis 1, a plurality of supporting beams 2 which are annularly arranged in the chassis at equal intervals and slide along the radial direction of the chassis, adjusting screws 3 which are arranged along the radial direction of the chassis, are rotatably connected with the chassis and are in threaded connection with the supporting beams, adjusting discs 4 which are coaxially arranged in parallel with the chassis and are rotatably connected with the chassis, and locking shafts 5 for limiting the relative rotation of the chassis and the adjusting discs, wherein the supporting beams are arranged between the chassis and the adjusting discs, the top of each supporting beam extends to the periphery of the chassis, each supporting beam corresponds to one adjusting screw, a rotation matching device 6 is arranged between each adjusting disc and each adjusting screw, and when the adjusting discs rotate, all the adjusting screws are driven to synchronously rotate through the rotation matching devices so as to drive the corresponding supporting beams to synchronously move along the radial direction;

rotate the adjustment disk, the rotation fit device drive adjusting screw is rotatory thereby order about to prop the roof beam and slide along radially in the chassis and adjust the distance between propping roof beam outer end and the pivot to the tubular product inner wall of the different internal diameters of chucking, through the fixed adjustment disk of locking axle behind the chucking, prevent to take place relative rotation between adjustment disk and the chassis, make to rotate the screw rod and prop roof beam rigidity, make prop the roof beam always with tubular product inner wall in close contact with, the convenience is operated tubular product.

Furthermore, the screw pitch and the rotation direction of the adjusting screw are the same;

the synchronous sliding among the supporting beams is ensured, and the outer ends of the supporting beams at the same moment are all positioned on the circumference concentric with the chassis.

Further, the rotating matching device comprises an adjusting gear 7 coaxially vertically arranged on the adjusting screw rod and an adjusting gear sleeve 8 coaxially arranged on the inner side of the adjusting disc, and the adjusting gear sleeve and the adjusting gear can be meshed with each other to be matched and rotated;

the adjusting gear can be driven to rotate by rotating the adjusting gear sleeve, the adjusting screw is driven to drive the supporting beam to slide, and when the adjusting gear sleeve is locked, the adjusting gear, the adjusting screw and the supporting beam are fixed and cannot move.

Furthermore, a flexible buffer block 9 is arranged at the outer end of the supporting beam;

the flexible buffer block can be made of rubber, plastic and other materials, and provides buffer between the outer end of the supporting beam and the inner wall of the pipe, so that the inner wall of the pipe is prevented from being crushed by excessive force.

Furthermore, the outer surface of the flexible buffer block is raised into an arc shape and is provided with a plurality of inwards-recessed anti-slip grooves 10 extending along the direction of the rotation axis of the chassis;

the arc can better with the laminating contact of tubular product inner wall, and the resistance between flexible buffer block surface and the tubular product inner wall can be increased in the antiskid groove, avoids skidding between flexible buffer block and the tubular product inner wall.

Furthermore, a rotating handle slot 11 is arranged in the adjusting disc along the radial direction;

when the adjusting disk needs to be locked in a rotating mode, the rigid rod-shaped component can be inserted into the slot of the rotating handle, and the adjusting disk can rotate conveniently.

Furthermore, the locking shaft comprises a spline shaft 12 and a locking baffle 13 coaxially and fixedly arranged outside the spline shaft, a locking through hole 14 is coaxially arranged on the locking shaft, and a through inner spline locking hole 15 mutually matched with the spline shaft is formed in the chassis and the adjusting disc; after the spline shaft sequentially passes through the adjusting disc and the inner spline locking hole on the chassis, the screw sequentially passes through the locking through hole and the adjusting disc and then is in threaded connection and locked with the chassis;

the locking baffle can prevent that the rolling disc from coming off from the locking shaft, rotates the adjusting disk and makes flexible buffer block and tubular product inner wall in close contact with chucking back, inserts the locking shaft in proper order in adjusting disk and the internal spline locking hole on the chassis, through screw locking at last, prevents that integral key shaft and two internal spline locking holes from breaking away from the cooperation.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides an internal stay anchor clamps for tubular product which characterized in that: including chassis (1), equidistance ring establish in the chassis and along chassis radial sliding a plurality of prop roof beam (2), along the chassis radial setting with the chassis rotate be connected and with prop roof beam threaded connection adjusting screw (3), with chassis parallel coaxial arrangement and with chassis rotation be connected adjusting disk (4) and be used for restricting chassis and adjusting disk relative pivoted locking axle (5), prop the roof beam setting between chassis and adjusting disk, prop the roof beam top and extend the chassis periphery, every props the roof beam and corresponds an adjusting screw, all be equipped with normal running fit device (6) between adjusting disk and the adjusting screw, thereby rotate simultaneously through normal running fit device drive all adjusting screw when the adjusting disk rotates and drive the corresponding roof beam along radial synchronous motion.

2. The internal bracing fixture for pipes according to claim 1, wherein: the screw pitch and the rotation direction of the adjusting screw are the same.

3. The internal bracing fixture for pipes according to claim 1, wherein: the rotating matching device comprises an adjusting gear (7) coaxially vertically arranged on the adjusting screw rod and an adjusting gear sleeve (8) coaxially arranged on the inner side of the adjusting disc, and the adjusting gear sleeve can be meshed with the adjusting gear to rotate in a matching mode.

4. The internal bracing fixture for pipes according to claim 1, wherein: and the outer end of the supporting beam is provided with a flexible buffer block (9).

5. The internal bracing fixture for pipes according to claim 4, wherein: the outer surface of the flexible buffer block is raised into an arc shape and is provided with a plurality of inwards sunken anti-skidding grooves (10) extending along the direction of the rotation axis of the chassis.

6. The internal bracing fixture for pipes according to claim 1, wherein: a rotary handle slot (11) is arranged in the adjusting disc along the radial direction.

7. The internal bracing fixture for pipes according to claim 1, wherein: the locking shaft comprises a spline shaft (12) and a locking baffle (13) coaxially and fixedly arranged outside the spline shaft, a locking through hole (14) is coaxially arranged on the locking shaft, and a through inner spline locking hole (15) mutually matched with the spline shaft is formed in each of the chassis and the adjusting disc; the spline shaft sequentially penetrates through the adjusting disc and the inner spline locking hole in the chassis, and the screw sequentially penetrates through the locking through hole and the adjusting disc and then is in threaded connection and locked with the chassis.