CN223431553U - Adjustable three-grip wrench - Google Patents

Abstract

The utility model discloses an adjustable three-jaw wrench which comprises a fixed handle, wherein three connecting sleeves are arranged on the outer side of one end of the fixed handle, the three connecting sleeves are obliquely and uniformly distributed on the outer side of the fixed handle, guide through grooves are formed in the connecting sleeves, connecting sliding rods are connected in the connecting sleeves in a sliding mode, locking bolts are connected to the connecting sliding rods in a threaded mode, the heads of the locking bolts extend out of the guide through grooves, a screw rod of the locking bolts penetrates through the connecting sliding rods to be attached to the inner wall of the connecting sleeves, and connecting pin posts are arranged at one ends, far away from the connecting sleeves, of the connecting sliding rods. The utility model has the beneficial effects that the gland is convenient to detach, the copper bush is more rapid and labor-saving to replace, the damage to accessories caused by improper detachment is avoided, the overhaul quality is prevented from being influenced, and the working efficiency is improved.

Description

Adjustable three-jaw wrench

Technical Field

The utility model relates to the technical field of valve wrenches, in particular to an adjustable three-jaw wrench.

Background

The electric valve or the pneumatic valve is common equipment for adjusting process indexes in the coking industry, a copper sleeve on a valve rod is used as a wearing part of the valve, the valve is frequently operated, the copper sleeve is increasingly worn, the opening of the valve is deviated, and the process parameters and indexes are affected.

When the valve copper bush is replaced, the electric or pneumatic head is required to be disassembled, the copper bush gland is disassembled, and when the gland is disassembled, the gland is required to be smashed by a chisel to be screwed out of the groove, and then the copper bush is disassembled for replacement due to space limitation. During the disassembly of the gland, the chisel is used for smashing the gland, which is time-consuming and labor-consuming, and can damage the gland body and even deform the gland, thereby causing the replacement to be difficult to disassemble or assemble.

The foregoing is not necessarily a prior art, and falls within the technical scope of the inventors.

Disclosure of utility model

The utility model aims to solve the problems and designs an adjustable three-jaw wrench.

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

The utility model provides an adjustable three spanners that grab, includes fixed handle, three connecting sleeve is installed in the fixed handle one end outside, and is three connecting sleeve is slant evenly distributed in the fixed handle outside, be equipped with the direction on the connecting sleeve and lead to the groove, sliding connection has the connection slide bar in the connecting sleeve, threaded connection has the locking bolt on the connection slide bar, the direction leads to the groove is stretched out to the head of locking bolt, locking bolt's screw rod through connection slide bar and connecting sleeve inner wall laminating, connecting pin post is installed to connecting slide bar one end of keeping away from the connecting sleeve.

Further, two fixed bearings are installed to fixed handle one end of keeping away from the connecting sleeve, two install rotatory sleeve on the fixed bearing, fixed handle is equipped with the location round hole all around, the location round hole is located two between the fixed bearing, install the spring bolt on the rotatory sleeve, the round hole swing joint is fixed with the location round pin to the round pin head of spring bolt, install a plurality of twist grips all around to rotatory sleeve.

Further, the top end of the fixed handle is provided with a connecting square hole, and the size of the connecting square hole is the same as the size of the output end of the electric wrench.

Further, the inner ring of the fixed bearing is fixedly connected with the fixed handle, and the outer ring of the fixed bearing is fixedly connected with the rotary sleeve.

Further, the connecting pin column is J-shaped, and one end of the connecting pin column, which is far away from the connecting sliding rod, is vertical.

Compared with the prior art, the technical scheme has the following beneficial effects:

The connecting pin column drives the gland to rotate by rotating the fixed handle, so that the gland is convenient to detach, the copper bush is replaced more quickly and labor-saving, damage to accessories caused by improper detachment is avoided, and the overhaul quality is prevented from being influenced;

The rotating sleeve and the fixed handle are rotated together through the rotating handle, and the rotating handle can be rotated through the electric wrench, so that the operation is convenient, the use is convenient and quick, and the working efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of an adjustable three-jaw wrench according to the present utility model.

Fig. 2 is a schematic cross-sectional view of the stationary handle and the connecting sleeve.

Fig. 3 is an enlarged top view of the stationary handle.

In the figure, a fixed handle, a connecting sleeve, a guide through groove, a connecting slide bar, a locking bolt, a connecting pin column, a fixed bearing, a rotating sleeve, a positioning round hole, a spring bolt, a rotating handle, a connecting square hole and a connecting square hole are respectively arranged on the connecting sleeve, the connecting sleeve and the connecting square hole.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present 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 understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify 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 therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The utility model provides an adjustable three-jaw wrench as shown in fig. 1-3, which comprises a fixed handle 1, wherein three connecting sleeves 2 are arranged on the outer side of one end of the fixed handle 1, the three connecting sleeves 2 are obliquely and uniformly distributed on the outer side of the fixed handle 1, guide through grooves 3 are formed in the connecting sleeves 2, a connecting sliding rod 4 is connected in a sliding manner in the connecting sleeves 2, a locking bolt 5 is connected to the connecting sliding rod 4 in a threaded manner, the head of the locking bolt 5 extends out of the guide through grooves 3, a screw rod of the locking bolt 5 penetrates through the connecting sliding rod 4 to be attached to the inner wall of the connecting sleeve 2, and a connecting pin 6 is arranged at one end, far away from the connecting sleeve 2, of the connecting sliding rod 4.

Before using the spanner, use electric hand drill to drill 3 holes in the position directly over the gland, with connecting slide bar 4 in connecting sleeve 2 internal sliding regulation connecting pin 6's position, make connecting pin 6 can be connected with 3 holes on the gland, drive lock bolt 5 at direction through groove 3 internal sliding when connecting slide bar 4 removes, after adjusting connecting pin 6's position, screw up lock bolt 5, lock bolt 5's screw rod and connecting sleeve 2 inner wall laminating, fix connecting slide bar 4, can avoid connecting slide bar 4 to rotate in connecting sleeve 2 through lock bolt 5, make connecting pin 6 drive the gland rotatory through rotating fixed handle 1, conveniently dismantle the gland, change the copper sheathing more fast, laborsaving, avoid causing the damage to the accessory because of dismantling inappropriately, avoid influencing the maintenance quality.

Referring to the description of fig. 2 and the description of fig. 3, two fixed bearings 7 are installed at one end of the fixed handle 1 far away from the connecting sleeve 2, a rotary sleeve 8 is installed on the two fixed bearings 7, positioning round holes 9 are formed in the periphery of the fixed handle 1, the positioning round holes 9 are located between the two fixed bearings 7, a spring bolt 10 is installed on the rotary sleeve 8, the pin head of the spring bolt 10 is movably connected with the positioning round holes 9, and a plurality of rotary handles 11 are installed around the rotary sleeve 8.

When the fixed handle 1 is rotated manually, an operator presses the spring bolt 10, so that the pin head of the spring bolt 10 is inserted into the positioning round hole 9, the rotary sleeve 8 is fixed, and the operator rotates the rotary sleeve 8 and the fixed handle 1 together through the rotary handle 11, so that the operation is convenient and the use is quick.

Referring to fig. 2 and 3 of the specification, a connection square hole 12 is formed at the top end of the fixed handle 1, and the size of the connection square hole 12 is the same as that of the output end of the electric wrench.

When the electric wrench is used for disassembling, an operator presses the spring bolt 10, so that the pin head of the spring bolt 10 moves out of the positioning round hole 9, the operator holds the electric wrench with one hand, the output end of the electric wrench stretches into the connecting square hole 12, the other hand holds the rotating handle 11 to rotate, and the fixed handle 1 rotates along the rotating sleeve 8 through the fixed bearing 7, so that the working efficiency is improved.

Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that modifications may be made to the technical solutions described in the foregoing embodiments or equivalents may be substituted for some of the technical features thereof, and that such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model in essence of the corresponding technical solutions.

Claims (5)

1. An adjustable three-grip wrench, comprising a fixed handle (1), characterized in that three connecting sleeves (2) are installed on the outside of one end of the fixed handle (1), and the three connecting sleeves (2) are evenly distributed on the outside of the fixed handle (1) in an oblique direction, and a guide groove (3) is provided on the connecting sleeve (2), a connecting slide rod (4) is slidably connected in the connecting sleeve (2), and a locking bolt (5) is threadedly connected on the connecting slide rod (4), the head of the locking bolt (5) extends out of the guide groove (3), the screw of the locking bolt (5) passes through the connecting slide rod (4) and fits with the inner wall of the connecting sleeve (2), and a connecting pin (6) is installed on the end of the connecting slide rod (4) away from the connecting sleeve (2). 2. An adjustable three-grip wrench according to claim 1, characterized in that two fixed bearings (7) are installed on the end of the fixed handle (1) away from the connecting sleeve (2), and a rotating sleeve (8) is installed on the two fixed bearings (7). Positioning holes (9) are provided around the fixed handle (1), and the positioning holes (9) are located between the two fixed bearings (7). A spring pin (10) is installed on the rotating sleeve (8), and the pin head of the spring pin (10) is movably connected to the positioning hole (9). A plurality of rotating handles (11) are installed around the rotating sleeve (8). 3. An adjustable three-grip wrench according to claim 2, characterized in that a connecting square hole (12) is provided at the top end of the fixed handle (1), and the size of the connecting square hole (12) is the same as the size of the output end of the electric wrench. 4. The adjustable three-grip wrench according to claim 2, characterized in that the inner ring of the fixed bearing (7) is fixedly connected to the fixed handle (1), and the outer ring of the fixed bearing (7) is fixedly connected to the rotating sleeve (8). 5. The adjustable three-grip wrench according to claim 1, characterized in that the connecting pin (6) is J-shaped, and the end of the connecting pin (6) away from the connecting slide rod (4) is vertical.