CN219987453U

CN219987453U - Valve spanner

Info

Publication number: CN219987453U
Application number: CN202320599284.5U
Authority: CN
Inventors: 林煜翰; 张艺钟; 王伟琦
Original assignee: Huaneng Hegang Power Generation Co ltd
Current assignee: Huaneng Hegang Power Generation Co ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-11-10
Anticipated expiration: 2033-03-23

Abstract

The utility model relates to the technical field of wrenches, in particular to a valve wrench. The device comprises a handle, wherein one end of the handle is provided with a mounting ring, the inner side of the mounting ring is movably connected with a mounting shaft, the shaft ends of the mounting shafts are movably connected with a plurality of stress shafts, and the central axes of the stress shafts are parallel to the central axes of the mounting shafts; a guide mechanism is arranged between the mounting shaft and the mounting ring. The valve spanner provided by the utility model can reduce the rotation range of the handle when in use, is suitable for being used in a narrow space, improves the working efficiency of rotating the valve in the narrow space, can meet the clockwise and anticlockwise rotation of the valve, and can adjust the number and the positions of the force shafts according to the use requirement of an actual valve, so that the valve spanner can simulate a three-grab valve spanner and an F-shaped valve spanner, is suitable for being used by different valves, and has wide application range and strong practicability.

Description

Valve spanner

Technical Field

The utility model relates to the technical field of wrenches, in particular to a valve wrench.

Background

In fluid piping, valves are control elements that are used to isolate equipment from piping, regulate flow, prevent backflow, regulate and drain pressure, and can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal, and radioactive media. In the living, common valves include gas pipeline valves, waterway valves and the like, and when the valves need to be rotated, a tool which is usually used is a valve wrench.

Common valve spanner in real life includes F type valve spanner and three valve spanner of grabbing, and in pipeline valve set up in narrow and small corner, it is pegged graft valve spanner and the spliced eye of valve this moment to need, then rotates valve spanner, because the restriction in space, the rotation scope of valve spanner is limited, leads to needing the repeated valve spanner of pegging graft, and then has increased operating personnel's work burden, has reduced work efficiency.

Therefore, a novel valve wrench is provided for solving the problems.

Disclosure of Invention

The utility model aims to provide a valve spanner which is used in a narrow space without repeated insertion, so that the burden of operators can be reduced, and the working efficiency can be improved.

The utility model provides a valve spanner, which comprises a handle, wherein one end of the handle is provided with a mounting ring, the inner side of the mounting ring is movably connected with a mounting shaft, the shaft end of the mounting shaft is movably connected with a plurality of stress shafts, and the central axes of the stress shafts are parallel to the central axis of the mounting shaft; a guide mechanism is arranged between the mounting shaft and the mounting ring.

Further, the guiding mechanism comprises ratchet teeth and ratchet rods which are matched with each other, the ratchet teeth are fixedly connected with the outer wall of the mounting shaft, and the ratchet rods are elastically connected with the inner wall of the mounting ring.

Further, an elastic plate is arranged between the ratchet rod and the mounting ring, and two ends of the elastic plate are fixedly connected with the ratchet rod and the mounting ring respectively.

Further, a plurality of first through holes are formed in the mounting shaft, rubber rings are fixed on the side walls of the first through holes, and the outer wall of the mounting shaft is in sliding fit with the inner wall of the rubber rings.

Further, the inside rotation of installation axle is connected with the spacing dish, be equipped with spacing opening on the outer wall of thrust axle, the spacing dish with spacing opening grafting.

Further, a second through hole is formed in the center of the mounting shaft, a control shaft is arranged in the second through hole, a round hole is formed in the limiting disc, the control shaft penetrates through the round hole, and the control shaft is in sliding fit with the inner wall of the round hole.

Further, a spiral groove is formed in the outer wall of the control shaft, and a guide pin which is in sliding fit with the spiral groove is arranged on the inner wall of the round hole of the limiting disc.

Further, annular grooves are formed in the two ends of the control shaft, and protrusions which are in sliding connection with the annular grooves are fixed on the inner side walls of the second through holes.

Further, an extension rod is arranged on the handle.

Further, the handle and the extension rod are of hollow structures, the extension rod is sleeved on the periphery of the handle, a groove is formed in the handle, a guide block is arranged on the inner wall of the extension rod, and the guide block slides along the groove.

In summary, compared with the prior art, the utility model has the following advantages:

according to the technical scheme, the mounting ring, the mounting shaft, the force bearing shaft and the guide mechanism are matched with each other, when the valve is used, the force bearing shaft is spliced with the jack of the valve, the handle is reciprocated along the axis of the mounting ring, the rotation of the valve is controlled, the rotation range of the handle can be reduced, the valve can be used in a narrow space, and the working efficiency of rotating the valve in the narrow space is improved; the set thrust shaft is movably connected with the mounting shaft, and the mounting ring and the mounting shaft are turned over by adjusting the thrust shaft so as to meet the clockwise and anticlockwise rotation of the valve; meanwhile, the number and the positions of the force shafts can be adjusted according to the use requirements of actual valves, and then the three-grab valve spanner and the F-shaped valve spanner are simulated, so that the three-grab valve spanner is suitable for different valves, and the three-grab valve spanner is wide in application range and high in practicability.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a valve wrench with four force applying shafts according to embodiment 1 of the present utility model;

FIG. 2 is a schematic diagram of a valve wrench with two shafts according to embodiment 1 of the present utility model;

FIG. 3 is a schematic view of a valve wrench with three force applying shafts according to embodiment 1 of the present utility model;

FIG. 4 is a cross-sectional view of the mounting ring of example 1 of the present utility model;

FIG. 5 is a sectional view of the mounting shaft in embodiment 2 of the present utility model;

fig. 6 is a schematic structural diagram of a limiting disc, a control shaft and a thrust shaft in embodiment 2 of the present utility model.

Reference numerals illustrate: 1-extension rod, 101-guide block, 2-handle, 201-groove, 3-installation shaft, 301-first through hole, 302-rubber ring, 303-ratchet, 4-installation ring, 401-ratchet rod, 5-thrust shaft, 501-limit notch, 6-control shaft, 601-spiral groove, 602-annular groove, 7-guide pin, 8-limit disk, 801-round hole, 802-sliding groove.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. 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 understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element 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 the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," 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; 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.

Example 1

A valve spanner comprises a handle 2, a mounting ring 4, a mounting shaft 3, a force bearing shaft 5 and a guiding mechanism, as shown in figure 1.

The handle 2 is fixed on the outer wall of the mounting ring 4, and the handle 2 is rotated along the axis of the mounting ring 4, so that the mounting ring 4 can be controlled to rotate. The installation shaft 3 is movably installed in the inner cavity of the installation ring 4, the axis of the installation shaft 3 coincides with the axis of the installation ring 4, and the installation ring 4 provides installation and sliding space for the installation shaft 3.

The axle head of installation axle 3 sets up a plurality of first through-hole 301, all slides in every first through-hole 301 and peg graft and have the force axle 5, and the force axle 5 is used for pegging graft with the grafting groove of valve during the use, through rotating installation axle 3 can control the valve rotation through force axle 5.

As shown in fig. 4, the guide mechanism includes ratchet teeth 303 and a ratchet rod 401 which are engaged with each other, the ratchet teeth 303 are fixed to the outer wall of the mounting shaft 3, and the ratchet rod 401 is elastically coupled to the radially inner wall of the mounting ring 4. An elastic plate is fixedly connected to the outer wall of the ratchet 401, and the other end of the elastic plate is fixedly connected to the inner wall of the mounting ring 4 (wherein the elastic plate is mounted by conventional means, so the elastic plate is omitted in fig. 4). By arranging the elastic plate, the ratchet rod 401 has a trend of being clamped with the ratchet 303 in real time, and the mounting shaft 3 can be controlled to rotate only in one direction by matching the ratchet 303 with the ratchet rod 401.

When the valve needs to be rotated, the force bearing shaft 5 is inserted into the inserting hole of the valve, and the rotation of the valve can be controlled by rotating the handle 2; when the valve needs to be reversely rotated, the force shaft 5 is slid along the first through hole 301 until the force shaft 5 leaks from the other end of the mounting shaft 3, the handle 2 is rotated at this time, the mounting ring 4 and the mounting shaft 3 are turned over, the force shaft 5 is spliced with the splicing hole of the valve, and at this time, the reverse rotation of the valve can be controlled by rotating the handle 2 along the axis of the mounting ring 4.

When the valve needs to be rotated in a narrow space, the ratchet 303 is matched with the ratchet rod 401, and then the handle 2 can be swung back and forth along the axis of the mounting ring 4 to realize the rotation of the control valve, and the rotation range of the handle 2 is reduced, so that the valve can be used in a narrow space, and the working efficiency of rotating the valve in the narrow space is improved.

In this embodiment, the mounting shaft 3 is provided with 4 first through holes 301, and the four through holes are distributed in a ring shape along the axis of the mounting shaft 3, as shown in fig. 1.

As shown in fig. 2, when the rotary tool for valve adaptation is an F-type valve wrench, two force shafts 5 are inserted into the mounting shaft 3, and at this time, the axes of the two force shafts 5 and the axis of the mounting shaft 3 are located on the same plane, so as to simulate the use of the F-type wrench, and further, the number and positions of the force shafts 5 can be adjusted according to the use requirement of the actual valve, so that the valve is convenient to use.

As shown in fig. 3, when the rotary tool for valve adaptation is a three-grip valve wrench, three force-bearing shafts 5 are inserted on the mounting shaft 3, and the three force-bearing shafts 5 are distributed in a triangle shape at this time and are used for simulating the three-grip valve wrench.

Through the first through-hole 301 that four supplies the axle 5 of acting force to peg graft has been seted up at the inner wall of installation axle 3, four first through-holes 301 are annular along the axis of installation axle 3 and distribute, according to actual valve's user demand, adjust the quantity, the position of acting force axle 5, and then simulate three valve spanners and F type valve spanners of grabbing, adapt to different valve convenient to use.

Example 2

A valve wrench, as shown in fig. 1, 2 and 3.

The technical solution of this embodiment is basically the same as embodiment 1, except for the following aspects:

as shown in fig. 4 and 5, in order to prevent the force shaft 5 from being separated from the mounting shaft 3 when the valve is rotated, a rubber ring 302 is fixedly installed in a first through hole 301 in the mounting shaft 3, and an outer wall of the force shaft 5 is slidably fitted with an inner wall of the rubber ring 302. By providing the rubber ring 302, the friction force when the thrust shaft 5 slides can be increased, and the thrust shaft 5 can be prevented from falling off as much as possible. In this embodiment, two rubber rings 302 are respectively fixed at two ends of the inner wall of each first through hole 301, and two rubber rings 302 are fixed in each first through hole 301.

As shown in fig. 5, a limiting gap 501 is formed on the outer wall of the force shaft 5, the inner cavity of the mounting shaft 3 is rotationally connected with a limiting disc 8 which is used for being spliced with the limiting gap 501, and the force shaft 5 is fixed by being spliced with the limiting disc 8 and the limiting gap 501, so that the force shaft 5 is prevented from being stressed to slide.

The limiting notch 501 is provided with an upper part and a lower part, so that the limiting disc 8 and the limiting notch 501 can be conveniently inserted after the force bearing shaft 5 is slidably adjusted.

The outer peripheral edge of the limiting disc 8 is provided with a sliding groove 802 for the force bearing shaft 5 to pass through, and the sliding groove 802 is attached to the outer wall of the force bearing shaft 5. When the force-bearing shaft 5 needs to be slid, the limiting disc 8 is rotated until the sliding groove 802 is aligned with the limiting notch 501, at which time the force-bearing shaft 5 can be slid so as to facilitate rotation in different directions of the applicable valve.

The central point of installation axle 3 puts and opens there is the second through-hole, and second through-hole inboard wall slidable mounting has control shaft 6, has round hole 801 on the spacing dish 8, and control shaft 6 runs through spacing dish 8, and the outer wall of control shaft 6 and the inner wall slidable laminating of second through-hole. Wherein the axes of the control shaft 6, the mounting shaft 3 and the limit disk 8 coincide.

As shown in fig. 6, the outer wall of the control shaft 6 is provided with a spiral groove 601, the inner wall of a round hole 801 of the limit disc 8 is fixedly connected with a guide pin 7 which is in sliding fit with the spiral groove 601, the guide pin 7 slides the control shaft 6 along the axis of the control shaft 6, and the rotation adjustment of the limit disc 8 can be realized through the cooperation control of the spiral groove 601 and the guide pin 7.

Annular grooves 602 are formed in the two ends of the control shaft 6, protrusions which are in sliding connection with the annular grooves 602 are fixedly connected to the inner wall of the second through hole, and the stability of sliding of the control shaft 6 can be improved through the matching of the protrusions and the annular grooves 602, so that the control shaft 6 is prevented from sliding randomly. The raised material is rubber.

As shown in fig. 1, 2 and 3, an extension rod 1 is mounted on a handle 2, in this embodiment, the handle 2 and the extension rod 1 are both hollow structures, and the extension rod 1 is sleeved outside the handle 2. The handle 2 is provided with a rectangular groove 201, the inner wall of the extension rod 1 is fixedly connected with a guide block 101, the guide block 101 penetrates through the groove 201 to extend into the handle 2, the width of one end of the guide block 101 extending into the handle 2 is larger than that of the groove 201, and the guide block 101 is in sliding fit with the inner wall of the handle 2. By providing the guide block 101, the locus of sliding of the extension bar 1 can be defined, preventing the extension bar 1 from rotating along the outer wall of the handle 2. When the valve needs to be rotated, the length of the power arm when the valve is rotated can be changed by sliding the extension rod 1, so that the labor-saving effect is achieved.

According to the valve spanner, through the cooperation of the ratchet rod and the ratchet, the handle can be swung back and forth along the axis of the mounting ring to control the rotation of the valve, the rotation range of the handle is reduced, the valve spanner can be suitable for being used in a narrow space, and the working efficiency of rotating the valve in the narrow space is improved; the installation shaft is provided with a slidable thrust shaft, the thrust shaft is used for being inserted into the insertion hole of the valve, the thrust shaft is adjusted through sliding, and then the installation ring and the installation shaft are turned over so as to meet the clockwise and anticlockwise rotation of the valve.

The valve spanner provided by the utility model overcomes the defects of the prior art, does not need repeated insertion of the valve spanner in a small space, reduces the workload of operators, improves the working efficiency, and has wide application range and strong practicability.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The valve wrench is characterized by comprising a handle (2), wherein one end of the handle (2) is provided with a mounting ring (4), the inner side of the mounting ring (4) is movably connected with a mounting shaft (3), the shaft end of the mounting shaft (3) is movably connected with a plurality of acting shafts (5), and the central axes of the acting shafts (5) and the central axes of the mounting shafts (3) are parallel to each other; a guide mechanism is arranged between the mounting shaft (3) and the mounting ring (4).

2. Valve spanner according to claim 1, characterized in that the guiding means comprise mutually cooperating ratchet teeth (303) and ratchet bar (401), the ratchet teeth (303) being fixedly connected to the outer wall of the mounting shaft (3), the ratchet bar (401) being elastically connected to the inner wall of the mounting ring (4).

3. Valve spanner according to claim 2, characterized in that an elastic plate is arranged between the ratchet rod (401) and the mounting ring (4), and two ends of the elastic plate are fixedly connected with the ratchet rod (401) and the mounting ring (4) respectively.

4. The valve wrench as claimed in claim 1, wherein the mounting shaft (3) is provided with a plurality of first through holes (301), a rubber ring (302) is fixed on a side wall of the first through holes (301), and an outer wall of the mounting shaft (3) is in sliding fit with an inner wall of the rubber ring (302).

5. The valve spanner according to claim 1, wherein a limiting disc (8) is rotatably connected inside the mounting shaft (3), a limiting opening (501) is formed in the outer wall of the acting shaft (5), and the limiting disc (8) is spliced with the limiting opening (501).

6. The valve spanner according to claim 5, wherein a second through hole is formed in the center position of the mounting shaft (3), a control shaft (6) is arranged in the second through hole, a round hole (801) is formed in the limiting plate (8), the control shaft (6) penetrates through the round hole (801), and the control shaft (6) is in sliding fit with the inner wall of the round hole (801).

7. The valve spanner according to claim 6, wherein a spiral groove (601) is formed in the outer wall of the control shaft (6), and a guide pin (7) which is in sliding fit with the spiral groove (601) is arranged on the inner wall of the round hole (801) of the limiting disc (8).

8. The valve wrench as claimed in claim 7, wherein the control shaft (6) has annular grooves (602) at both ends thereof, and protrusions slidably inserted into the annular grooves (602) are fixed to the inner side walls of the second through holes.

9. Valve spanner according to claim 1, characterized in that the handle (2) is provided with an extension rod (1).

10. The valve spanner according to claim 9, wherein the handle (2) and the extension rod (1) are of hollow structures, the extension rod (1) is sleeved on the periphery of the handle (2), a groove (201) is formed in the handle (2), a guide block (101) is arranged on the inner wall of the extension rod (1), and the guide block (101) slides along the groove (201).