CN216371954U

CN216371954U - Gas flowmeter assembly and disassembly tools

Info

Publication number: CN216371954U
Application number: CN202122533146.0U
Authority: CN
Inventors: 樊广瑞; 柳波; 白佳琦; 李勇; 揭慧; 董向民; 张翰; 董新利
Original assignee: Beijing Gas Group Co Ltd
Current assignee: Beijing Gas Group Co Ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-04-26
Anticipated expiration: 2031-10-21

Abstract

The utility model discloses a gas flowmeter disassembling tool which comprises a screwdriver main body, wherein an adjusting mechanism is arranged at the bottom end of the screwdriver main body and comprises a loop bar, fixed frames are fixedly connected to the surfaces of the two sides of the loop bar, a limiting pin is inserted into the fixed frames, the surface of one end, inserted into the fixed frames, of the limiting pin is abutted against the surface of a connecting plate, a first clamping block is fixedly connected to one side, far away from the limiting pin, of the connecting plate, and two ends, far away from the first clamping block, of the connecting plate are welded with reset springs. According to the utility model, the first clamping block and the tool bit are arranged, the limiting pin can be far away from the surface of the connecting plate by rotating the limiting pin, and the first clamping block can be contracted into the fixing frame, so that the tool bit can be effectively and conveniently pulled out of the inner part of the sleeve rod, the integral length of the tool bit can be conveniently adjusted, and the whole screwdriver main body can be used in a narrow space.

Description

Gas flowmeter assembly and disassembly tools

Technical Field

The utility model relates to the technical field of gas monitoring, in particular to a gas flowmeter disassembling tool.

Background

The gas flowmeter makes full use of the advantages of the traditional target flowmeter on the basis of the measurement principle, combines a novel sensing technology and a force sensing target flowmeter researched and developed on the modern digital technology, and has the characteristics of strong anti-interference and anti-impurity performance, portability, reliability and the like.

When the gas flowmeter is disassembled and assembled, a screwdriver is needed to rotate screws, so that the gas flowmeter can be assembled or disassembled from a pipeline, but the existing gas flowmeter is required to be operated in a narrow space in the assembling and disassembling process, and the existing screwdriver is fixed in whole length, so that the gas flowmeter is inconvenient to use in the narrow space, and the gas flowmeter disassembling tool is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a gas flowmeter disassembling tool.

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

the utility model provides a gas flowmeter assembly and disassembly tools, includes the screwdriver main part, the bottom of screwdriver main part is provided with adjustment mechanism, adjustment mechanism includes the loop bar, the fixed frame of both sides fixed surface of loop bar is connected with, and the inside of fixed frame is inserted and is equipped with the spacer pin, the spacer pin is inserted and is established the inside one end surface of fixed frame and the surperficial inconsistent with the surface of connecting plate, and the first screens piece of one side fixedly connected with of spacer pin is kept away from to the connecting plate, one side both ends welding that first screens piece was kept away from to the connecting plate has reset spring, the inside of loop bar is inserted and is equipped with second screens piece, and the surface at the fixed block is fixed to second screens piece, the bottom fixed surface of fixed block is connected with the tool bit, the bottom of loop bar is provided with protection machanism.

Preferably, rectangular through grooves are formed in the surfaces of the two sides of the loop bar, and the size of the inner wall of each rectangular through groove formed in the surface of the two sides of the loop bar is matched with the size of the surface of the second clamping block.

Preferably, the loop bar is cylindrical, a rectangular groove is formed in the loop bar, the fixed block is rectangular, and the size of the inner wall of the rectangular groove formed in the loop bar is matched with the surface size of the fixed block.

Preferably, the fixed frame is set to be rectangular, the connecting plate is set to be rectangular, and the size of the inner wall of the fixed frame is matched with the surface size of the connecting plate.

Preferably, first screens piece sets up to the rectangle, and the surface of first screens piece is provided with the inclined plane, second screens piece sets up to the rectangle, and the surface of second screens piece is provided with the inclined plane, the inclined plane that first screens piece surface set up is the same with the inclined plane angle that second screens piece surface set up.

Preferably, the protection machanism includes the cover frame, the bottom fixed surface of loop bar is connected with the cover frame, and the inner wall of cover frame is inconsistent with the side of spacing collar, the fixed surface of spacing collar is connected with the flexible cover, and the flexible cover one end of keeping away from the spacing collar articulates there is the apron, the surface of apron is inconsistent with the surface of magnetic force piece.

Preferably, the sleeve frame is internally provided with a groove, the limiting ring is annular, and the size of the inner wall of the groove formed in the sleeve frame is matched with the surface size of the limiting ring.

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

1. the device can make the spacer pin keep away from the surface of connecting plate through being provided with first screens piece and tool bit, through rotating the spacer pin, and at this moment first screens piece can contract into the inside of fixed frame to can effectually conveniently pull out the inside of loop bar with the tool bit, be convenient for adjust the holistic length of tool bit, make screwdriver main part whole can use in narrow and small space.

2. The device is through being provided with flexible cover and apron, through promoting flexible cover, can make flexible cover shrink the inside of advancing the cover frame to can conveniently make the end of tool bit stretch out from the inside of cover frame, make things convenient for its use, and when the tool bit does not use, can stretch out flexible cover from the inside of cover frame, and adsorb each other through apron and magnetic block, can protect the end of tool bit, reduce the end and take place the wearing and tearing phenomenon, improve the life of end.

Drawings

FIG. 1 is a schematic perspective view of a gas flowmeter assembly and disassembly tool according to the present invention;

FIG. 2 is a schematic view of a gas flowmeter assembly and disassembly tool according to the present invention in a three-dimensional state;

FIG. 3 is a perspective exploded view of the adjustment mechanism of FIG. 1;

fig. 4 is a schematic perspective sectional view of the protection mechanism in fig. 1.

In the figure: 1. a screwdriver body; 2. an adjustment mechanism; 21. a loop bar; 22. a fixing frame; 23. a spacing pin; 24. a connecting plate; 25. a first bit block; 26. a return spring; 27. a second bit block; 28. a fixed block; 29. a cutter head; 3. a protection mechanism; 31. sleeving a frame; 32. a limiting ring; 33. a telescopic sleeve; 34. a cover plate; 35. a magnetic block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a gas flowmeter disassembling tool comprises a screwdriver main body 1, an adjusting mechanism 2 is arranged at the bottom end of the screwdriver main body 1, the adjusting mechanism 2 comprises a loop bar 21, fixed frames 22 are fixedly connected to the surfaces of the two sides of the loop bar 21, a limit pin 23 is inserted into the fixed frame 22, a through hole is formed in the side surface of the fixed frame 22, and an internal thread is formed in the inner wall of the through hole, so that the limit pin 23 can move in the fixed frame 22 when the limit pin 23 rotates, and the limit connecting plate 24 is limited, the surface of one end of the limit pin 23 inserted into the fixed frame 22 is in contact with the surface of the connecting plate 24, a first clamping block 25 is fixedly connected to one side of the connecting plate 24 far from the limit pin 23, a return spring 26 is welded at the two ends of one side of the connecting plate 24 far from the first clamping block 25, a second clamping block 27 is inserted into the loop bar 21, and the second clamping block 27 is fixed on the surface of the fixed block 28, the bottom end surface of the fixed block 28 is fixedly connected with the cutter head 29, and the bottom end of the loop bar 21 is provided with the protection mechanism 3.

Further, as can be known from fig. 3, rectangular through grooves are formed in the surfaces of the two sides of the loop bar 21, the size of the inner wall of each rectangular through groove formed in the surfaces of the two sides of the loop bar 21 is matched with the size of the surface of the second clamping block 27, and when the tool bit 29 moves, the two sets of second clamping blocks 27 slide in the rectangular through grooves to limit the tool bit 29.

Further, as can be known by referring to fig. 2, the loop bar 21 is set to be cylindrical, the rectangular groove is formed in the loop bar 21, the fixing block 28 is set to be rectangular, the size of the inner wall of the rectangular groove formed in the loop bar 21 is matched with the surface size of the fixing block 28, and the fixing block 28 can be conveniently moved in the rectangular groove through the rectangular groove formed in the loop bar 21, so that the effect of driving the two sets of second clamping blocks 27 to move can be achieved.

Further, as can be known by referring to fig. 2, the fixing frame 22 is set to be rectangular, the connecting plate 24 is set to be rectangular, the inner wall size of the fixing frame 22 is matched with the surface size of the connecting plate 24, and the fixing frame 22 is set to be rectangular, so that the connecting plate 24 can be conveniently moved inside the fixing frame, and the fixing frame has the function of driving the two sets of first clamping blocks 25 to move.

Further, as can be known from fig. 3, the first locking block 25 is set to be rectangular, the surface of the first locking block 25 is provided with an inclined surface, the second locking block 27 is set to be rectangular, the surface of the second locking block 27 is provided with an inclined surface, the inclined surface provided on the surface of the first locking block 25 is the same as the inclined surface provided on the surface of the second locking block 27, and the inclined surfaces provided on the surfaces of the first locking block 25 and the second locking block 27 facilitate the first locking block 25 to be retracted into the fixing frame 22 when the second locking block 27 presses the first locking block 25.

Further, as can be known by referring to fig. 3 and 4, the protection mechanism 3 includes a sleeve frame 31, the bottom surface of the loop bar 21 is fixedly connected with the sleeve frame 31, and the inner wall of the sleeve frame 31 is inconsistent with the side surface of the spacing collar 32, the surface of the spacing collar 32 is fixedly connected with a telescopic sleeve 33, and one end of the telescopic sleeve 33 away from the spacing collar 32 is hinged with a cover plate 34, the surface of the cover plate 34 is inconsistent with the surface of the magnetic block 35, the magnetic block 35 is arranged in a semicircular shape, and the effect of facilitating the spacing cover plate 34 can be achieved.

Further, as can be known by referring to fig. 3 and 4, a groove is formed in the sleeve frame 31, the limiting ring 32 is annular, the size of the inner wall of the groove formed in the sleeve frame 31 is matched with the surface size of the limiting ring 32, and the limiting ring 32 can move in the groove when the telescopic sleeve 33 moves through the groove formed in the sleeve frame 31, so that the effect of limiting the telescopic sleeve 33 can be achieved.

The working principle is as follows: when the screwdriver is used, according to the attached drawings 1, 2, 3 and 4, when the screwdriver body 1 is used, the limiting pin 23 can be far away from the surface of the connecting plate 24 by rotating the limiting pin 23, the telescopic sleeve 33 is pushed, the telescopic sleeve 33 can be contracted into the sleeve frame 31, the tool bit 29 is pulled, the fixing block 28 can drive the two groups of second clamping blocks 27 to extrude the surface of the first clamping block 25, the first clamping block 25 can be contracted into the fixing frame 22 when being extruded, after the tool bit 29 extends out of the sleeve rod 21, the connecting plate 24 can drive the two groups of first clamping blocks 25 to reset by the self elasticity of the reset spring 26, the limiting pin 23 is rotated to extrude the connecting plate 24, the two groups of first clamping blocks 25 are limited, the tool bit 29 can be fixed by the first clamping blocks 25, when the screwdriver body 1 is not used, the limiting pin 23 can be far away from the surface of the connecting plate 24 by rotating the limiting pin 23, the cutter head 29 is pushed, the fixing block 28 can drive the second clamping block 27 to extrude the first clamping block 25, when the cutter head 29 contracts into the sleeve rod 21, the connecting plate 24 can drive the first clamping block 25 to reset by the reset spring 26, the limiting pin 23 is rotated, two groups of first clamping blocks 25 can be limited, meanwhile, the telescopic sleeve 33 can extend out of the sleeve frame 31 by pulling the cover plate 34, the magnetic block 35 covers the surface of the magnetic block 35, the cover plate 34 and the magnetic block 35 can be mutually adsorbed, and the cutter head 29 can be protected;

the above is the overall working principle of the present invention.

In the present invention, the installation manner, the connection manner, or the setting manner of all the components described above are all common mechanical manners, and the specific structures, models, and coefficient indexes of all the components are their own technologies, which can be implemented as long as the beneficial effects thereof can be achieved, and thus, the details are not repeated.

The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.

In the present invention, unless otherwise specified, the terms "upper, lower, left, right, front, back, inner, outer, vertical and horizontal" and the like included in the terms only represent the orientation of the terms in the conventional use state or are colloquially understood by those skilled in the art, and should not be construed as limiting the terms, and meanwhile, the terms "first", "second" and "third" and the like do not represent specific numbers and sequences, but are merely used for name differentiation, and the terms "include", "include" and any other variations are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus including a series of elements includes not only those elements but also other elements not explicitly listed, or also includes elements inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a gas flowmeter assembly and disassembly tools, includes screwdriver main part (1), its characterized in that, the bottom of screwdriver main part (1) is provided with adjustment mechanism (2), adjustment mechanism (2) include loop bar (21), the both sides fixed surface of loop bar (21) is connected with fixed frame (22), and inserts in the inside of fixed frame (22) and be equipped with spacer pin (23), spacer pin (23) are inserted and are established one end surface and the surperficial inconsistent of connecting plate (24) of fixed frame (22) inside, and one side fixedly connected with first screens piece (25) of spacer pin (23) are kept away from in connecting plate (24), reset spring (26) have been welded at one side both ends that first screens piece (25) were kept away from in connecting plate (24), the inside of loop bar (21) is inserted and is equipped with second screens piece (27), and second screens piece (27) are fixed on the surface of fixed block (28), the bottom surface of fixed block (28) is fixedly connected with tool bit (29), the bottom of loop bar (21) is provided with protection machanism (3).

2. The gas flowmeter disassembling tool according to claim 1, wherein the two side surfaces of the loop bar (21) are provided with rectangular through grooves, and the size of the inner walls of the rectangular through grooves formed in the two side surfaces of the loop bar (21) is matched with the size of the surface of the second clamping block (27).

3. The gas flowmeter disassembling tool according to claim 1, wherein the sleeve rod (21) is cylindrical, a rectangular groove is formed in the sleeve rod (21), the fixing block (28) is rectangular, and the size of the inner wall of the rectangular groove formed in the sleeve rod (21) is matched with the surface size of the fixing block (28).

4. A gas flowmeter assembly and disassembly tool as claimed in claim 1, wherein the fixed frame (22) is configured as a rectangle, the connecting plate (24) is configured as a rectangle, and the size of the inner wall of the fixed frame (22) is matched with the surface size of the connecting plate (24).

5. The gas flowmeter disassembling tool according to claim 1, wherein the first clamping block (25) is provided with a rectangular shape, the surface of the first clamping block (25) is provided with an inclined surface, the second clamping block (27) is provided with a rectangular shape, the surface of the second clamping block (27) is provided with an inclined surface, and the inclined surface provided on the surface of the first clamping block (25) has the same angle as the inclined surface provided on the surface of the second clamping block (27).

6. The gas flowmeter dismounting tool according to claim 1, wherein the protection mechanism (3) comprises a sleeve frame (31), the bottom end surface of the sleeve rod (21) is fixedly connected with the sleeve frame (31), the inner wall of the sleeve frame (31) is abutted to the side surface of the limit ring (32), the surface of the limit ring (32) is fixedly connected with a telescopic sleeve (33), one end, away from the limit ring (32), of the telescopic sleeve (33) is hinged to a cover plate (34), and the surface of the cover plate (34) is abutted to the surface of the magnetic block (35).

7. The gas flowmeter disassembling tool according to claim 6, wherein the inside of the sleeve frame (31) is provided with a groove, the limiting ring (32) is arranged in a ring shape, and the size of the inner wall of the groove formed in the sleeve frame (31) is matched with the surface size of the limiting ring (32).