CN219747121U

CN219747121U - Limit mechanism convenient for height adjustment

Info

Publication number: CN219747121U
Application number: CN202321123142.8U
Authority: CN
Inventors: 石凯; 梅永兵; 梅朋; 单昌国; 梅奎; 余君弟; 王萍
Original assignee: Ningguo Yafei Machinery Manufacturing Co ltd
Current assignee: Ningguo Yafei Machinery Manufacturing Co ltd
Priority date: 2023-05-10
Filing date: 2023-05-10
Publication date: 2023-09-26
Anticipated expiration: 2033-05-10

Abstract

The utility model is applicable to the technical field of tool clamps, and provides a limiting mechanism convenient for height adjustment, which comprises a first adjusting component, wherein a second adjusting component is arranged at the top of the first adjusting component, a third adjusting component is arranged at the top of the second adjusting component, a fourth adjusting component is arranged in the third adjusting component, and the fourth adjusting component is matched with the second adjusting component to carry out heightening, limiting and clamping on a pipeline; the distance between the second bases can be adjusted by rotating the first lead screw, so that pipelines with different pipeline lengths can be conveniently supported and lifted; the height of the pipeline placed on the third base can be adjusted by rotating the second lead screw; the height of the fourth adjusting component can be adjusted by rotating the third screw rod so as to facilitate clamping of the side wall of the pipeline; the limiting block can be controlled to clamp and fix the side wall of the pipeline by rotating the fourth screw rod, so that the vertical pipe joint can be conveniently and subsequently machined.

Description

Limit mechanism convenient for height adjustment

Technical Field

The utility model belongs to the technical field of tool clamps, and particularly relates to a limiting mechanism convenient to adjust the height.

Background

The diameters of the two ends of the parts such as the stepped shaft, the reducing pipe and the like are different, and the axis of the parts is in an inclined state in a natural state, so that the axis is required to be kept horizontal during clamping. Taking three-way pipe fitting as an example, two coaxial pipe joints have one large outer diameter and one small outer diameter, one end with smaller pipe diameter needs to be lifted up, the axes of the two pipe joints are positioned at the horizontal position, then a fixture is used for clamping, the axis of a third pipe joint is positioned in a vertical state, tools such as a cutter or a grinding head are convenient to process the three pipe joints, otherwise, the tools are difficult to process the third pipe joints, or a large error exists in the processed third pipe joints.

The Chinese patent with the publication number of CN213531758U discloses an adjustable V-shaped cushion block, which comprises a sliding seat, a screw rod, a fixed block and two cushion blocks, wherein the top surface of the sliding seat is provided with a sliding groove in the left-right direction, the bottoms of the two cushion blocks are in sliding fit in the sliding groove, each cushion block is provided with an inclined surface which is inclined downwards from the top edge, the inclined surfaces of the two cushion blocks are symmetrically arranged into a V shape, each cushion block is provided with a screw hole which penetrates from the left side to the right side, and the screw threads of the screw holes of the two cushion blocks are opposite in screwing direction; the fixed block is vertically arranged in the chute and positioned at the middle point of the two cushion blocks, and the fixed block is provided with a positioning groove; the screw rod is divided into a left section, a middle section and a right section, the middle section is unthreaded and is in running fit in a positioning groove of the fixed block, a limiting convex ring is arranged between the middle section and the left section and between the middle section and the right section, the distance between the limiting convex rings is adaptive to the width of the fixed block in the left-right direction, and the threads of the left section and the right section of the screw rod are opposite in rotation direction and are respectively matched with screw holes of left-side cushion blocks and right-side cushion blocks of the sliding seat. According to the utility model, the distance between the two cushion blocks is adjusted, and one end with a smaller pipe diameter is heightened through the inclined plane of the cushion block, so that the axis of the vertical pipe joint is in a vertical state, and a cutter or a grinding head can conveniently process the vertical pipe joint.

However, the above patent has some disadvantages:

when the pipe joint is used, the pipeline is lifted through the inclined plane of the cushion block, then the vertical pipe joint is machined through the cutter or the grinding head, and in the machining process, the pipe joint can vibrate, so that the axis of the machined pipe joint is deviated, and the machining precision of the pipe joint is reduced.

Disclosure of Invention

The utility model provides a limiting mechanism convenient for height adjustment, and aims to solve the problem that the machining precision of a pipe joint is reduced due to the fact that the axis of the pipe joint is offset in the machining process due to vibration generated when a vertical pipe joint is machined after a pipeline is lifted.

The utility model is realized in such a way, the limiting mechanism convenient for height adjustment comprises a first adjusting component, wherein the top of the first adjusting component is provided with a second adjusting component, the top of the second adjusting component is provided with a third adjusting component, the third adjusting component is internally provided with a fourth adjusting component, and the fourth adjusting component is matched with the second adjusting component to carry out heightening, limiting and clamping on a pipeline; in the scheme, the first adjusting component controls the distance between the two second bases so as to carry out bearing and heightening on pipelines with different pipeline lengths; the second adjusting component is used for adjusting the height of the pipeline; the third adjusting component is used for adjusting the height of the fourth adjusting component; and the fourth adjusting component clamps and fixes the side wall of the pipeline.

Preferably, the first adjusting component comprises a first base, a mounting hole is formed in the bottom of the first base, a first sliding groove is formed in the top of the first base, a first screw rod is connected in the side wall of the first sliding groove in a rotating mode, and the second adjusting component is mounted on the side wall of the first screw rod; in the scheme, the length direction of the first chute is consistent with the axial direction of the first screw rod; the second adjusting assembly can slide in the first sliding groove by rotating the first screw rod.

Preferably, the second adjusting component comprises a second base, the second base is connected to the side wall of the first screw rod in a threaded manner, a second sliding groove is formed in the top of the second base, the side wall of the second sliding groove is connected with the second screw rod in a rotating manner, and a third adjusting component is mounted on the side wall of the second screw rod; in the scheme, the length direction of the second chute is consistent with the length direction of the second screw rod; the third adjusting assembly slides in the first sliding groove by rotating the second lead screw.

Preferably, the third adjusting component comprises a third base, the third base is connected to the side wall of the second screw rod in a threaded manner, a third sliding groove is formed in the third base, the side wall of the third sliding groove is connected with the third screw rod in a rotating manner, and a fourth adjusting component is installed on the third screw rod; in the scheme, the height direction of the third chute is consistent with the axial direction of the third screw rod; rotating the third lead screw causes the fourth adjustment assembly to move up and down within the third chute.

Preferably, the fourth adjusting component comprises a screw nut, the screw nut is in threaded connection with the side wall of the third screw rod, a connecting block is connected with the side wall of the screw nut, a fourth screw rod is in threaded connection with the connecting block, and a limiting block is rotatably connected with the end part of the fourth screw rod; in the scheme, the third screw rod and the fourth screw rod are arranged in parallel in the vertical direction; the axial direction of the third screw rod is perpendicular to the axial direction of the fourth screw rod; the fourth screw rod is rotated to drive the limiting block to move.

Compared with the prior art, the utility model has the beneficial effects that:

the distance between the second bases can be adjusted by rotating the first lead screw, so that pipelines with different pipeline lengths can be conveniently supported and lifted; the height of the pipeline placed on the third base can be adjusted by rotating the second lead screw; the height of the fourth adjusting component can be adjusted by rotating the third screw rod so as to facilitate clamping of the side wall of the pipeline; the limiting block can be controlled to clamp and fix the side wall of the pipeline by rotating the fourth screw rod, so that the vertical pipe joint can be conveniently and subsequently machined.

Drawings

FIG. 1 is a schematic front view of the present utility model;

FIG. 2 is a schematic view of the cross-section A-A of FIG. 1 in accordance with the present utility model;

FIG. 3 is a schematic view of the B-B cross-section of FIG. 2 in accordance with the present utility model;

FIG. 4 is a schematic view of the cross-section C-C of FIG. 2 in accordance with the present utility model;

FIG. 5 is a schematic view of the D-D cross-section of FIG. 2 according to the present utility model;

in the figure:

1. a first adjustment assembly; 11. a first base; 12. a first chute; 13. a first lead screw; 14. a mounting hole;

2. a second adjustment assembly; 21. a second base; 22. a second chute; 23. a second lead screw;

3. a third adjustment assembly; 31. a third base; 32. a third chute; 33. a third lead screw;

4. a fourth adjustment assembly; 41. a nut; 42. a fourth lead screw; 43. a limiting block; 44. and (5) connecting a block.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.

The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a stop gear of convenient height-adjusting, includes first adjusting part 1, and second adjusting part 2 is installed at the top of first adjusting part 1, and third adjusting part 3 is installed at the top of second adjusting part 2, installs fourth adjusting part 4 in the third adjusting part 3, and fourth adjusting part 4 cooperates second adjusting part 2 to carry out the bed hedgehopping and spacing centre gripping to the pipeline.

Further, the first adjusting component 1 comprises a first base 11, a mounting hole 14 is formed in the bottom of the first base 11, a first sliding groove 12 is formed in the top of the first base 11, a first lead screw 13 is connected to the side wall of the first sliding groove 12 in a rotating mode, and a second adjusting component 2 is mounted on the side wall of the first lead screw 13.

Specifically, the device is placed and fixed on the frame through the mounting hole 14; one section of the first screw rod 13 is rotatably connected to the side wall of the first chute 12, and the other end of the first screw rod penetrates through the side wall of the first chute 12 and extends out of the first base 11; the first screw rod 13 is a double-end screw rod, threads with opposite thread directions at two ends are arranged in the double-end screw rod, and each section of threads is in threaded connection with a second base 21; when the first screw 13 is rotated, the two second bases 21 move toward each other or move in reverse.

Preferably, the second adjusting component 2 comprises a second base 21, the second base 21 is in threaded connection with the side wall of the first screw rod 13, a second sliding groove 22 is formed in the top of the second base 21, a second screw rod 23 is rotationally connected with the side wall of the second sliding groove 22, and a third adjusting component 3 is mounted on the side wall of the second screw rod 23.

Specifically, one end of the second screw rod 23 is rotatably connected to the side wall of the second chute 22, and the other end penetrates through the side wall of the second chute 22 and extends out of the second base 21; the second screw rod 23 is also a double-end screw rod, two ends of threads with opposite thread directions are arranged on the second screw rod, and each section of threads is connected with a third base 31 in a threaded manner; when the second screw 23 is rotated, the two third seats 31 are moved toward each other or are moved reversely.

Further, the third adjusting component 3 comprises a third base 31, the third base 31 is connected to the side wall of the second screw rod 23 in a threaded mode, a third sliding groove 32 is formed in the third base 31, a third screw rod 33 is connected to the side wall of the third sliding groove 32 in a rotating mode, and the fourth adjusting component 4 is installed on the third screw rod 33.

Specifically, the third bases 31 are formed by splicing right trapezoid blocks with inclined planes and rectangular blocks, the second lead screws 23 are connected in the rectangular blocks in a threaded manner, and the inclined planes of the two third bases 31 are arranged oppositely; the third runner 32 is a right-angled trapezoidal groove.

Further, the fourth adjusting component 4 comprises a screw 41, the screw 41 is in threaded connection with the side wall of the third screw 33, a connecting block 44 is connected with the side wall of the screw 41, a fourth screw 42 is in threaded connection with the connecting block 44, and a limiting block 43 is rotatably connected with the end part of the fourth screw 42.

Specifically, a rubber pad is stuck at the contact position of the limiting block 43 and the side wall of the pipeline, so that the friction force between the limiting block 43 and the side wall of the pipeline is increased; the sum of the width of the nut 41 and the width of the connecting block 44 is slightly smaller than the width of the third chute 32; the bottom end of the third screw rod 33 is rotatably connected to the bottom of the third chute 32, and the top end of the third screw rod penetrates through the top of the third chute 32 and extends to the outside of the third base 31;

the screw rods are connected with rotating handles, so that the screw rods are convenient to rotate.

The working principle and the using flow of the utility model are as follows: after the utility model is installed, the distance between the two second bases 21 is adjusted according to the length of the pipeline to be processed, namely the first screw rod 13 is rotated, so that the two second bases 21 move in opposite directions or in opposite directions;

two pipeline ends with different pipe diameters are respectively placed at the two second bases 21, the second lead screw 23 is rotated, the distance between the two third bases 31 is adjusted, the two pipeline ends are placed on the inclined plane of the third base 31, the pipeline end with larger pipe diameter is clamped through the fourth adjusting component 4, namely the third lead screw 33 is rotated, the height of the fourth adjusting component 4 is adjusted, the limiting block 43 is aligned with the pipeline side wall at the horizontal diameter, then the fourth lead screw 42 is rotated, the limiting block 43 clamps and fixes the pipeline side wall, the two limiting blocks 43 are divided into two ends with the horizontal diameter of the pipeline, and the fixing of the pipeline end with larger pipe diameter is completed;

then carry out altitude mixture control and centre gripping to the less pipeline of pipe diameter, rotate the second lead screw 23 of the less pipeline department of pipe diameter promptly for two third bases 31 further move in opposite directions and raise the less pipeline height of pipe diameter, make vertical pipe joint's axis vertical back, the pipeline lateral wall centre gripping is fixed can (through above-mentioned step), convenient follow-up processing to vertical pipe joint.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. A stop gear convenient for height adjustment, which is characterized in that: including first adjusting part (1), second adjusting part (2) are installed at the top of first adjusting part (1), third adjusting part (3) are installed at the top of second adjusting part (2), install fourth adjusting part (4) in third adjusting part (3), fourth adjusting part (4) cooperation second adjusting part (2) are to line up and spacing centre gripping.

2. A height-adjustable stop mechanism as set forth in claim 1, wherein: the first adjusting component (1) comprises a first base (11), a mounting hole (14) is formed in the bottom of the first base (11), a first sliding groove (12) is formed in the top of the first base (11), a first lead screw (13) is connected with the side wall of the first sliding groove (12) in a rotating mode, and the second adjusting component (2) is mounted on the side wall of the first lead screw (13).

3. A height-adjustable stop mechanism as set forth in claim 2, wherein: the second adjusting component (2) comprises a second base (21), the second base (21) is in threaded connection with the side wall of the first screw rod (13), a second sliding groove (22) is formed in the top of the second base (21), a second screw rod (23) is connected in the side wall of the second sliding groove (22) in a rotating mode, and a third adjusting component (3) is mounted on the side wall of the second screw rod (23).

4. A height-adjustable stop mechanism according to claim 3, wherein: the third adjusting component (3) comprises a third base (31), the third base (31) is in threaded connection with the side wall of the second screw rod (23), a third sliding groove (32) is formed in the third base (31), a third screw rod (33) is rotatably connected to the side wall of the third sliding groove (32), and a fourth adjusting component (4) is mounted on the third screw rod (33).

5. A height-adjustable stop mechanism according to claim 4, wherein: the fourth adjusting component (4) comprises a screw nut (41), the screw nut (41) is in threaded connection with the side wall of the third screw rod (33), a connecting block (44) is connected with the side wall of the screw nut (41), a fourth screw rod (42) is in threaded connection with the connecting block (44), and a limiting block (43) is connected with the end part of the fourth screw rod (42) in a rotating mode.