An open adjustable deep well wrench

Abstract

An open adjustable deep well wrench, including a handle, a rod body and a handle, the handle is hingedly provided with two clamping blocks, the inner side of the clamping block is provided with a clamping groove, the upper inner side of the two clamping blocks is provided with an arc surface, the two arc surfaces are provided with a tensioning head, the lower inner side of the two clamping blocks is provided with a first elastic member abutting against both sides, the handle is provided with an adjusting mechanism for driving the clamping block to move up and down. The utility model can adjust the up and down movement of the clamping block through the adjusting mechanism, the clamping block abuts against the upper side of the two tensioning heads, the tensioning head is adjusted to open and close, can be adapted to various sizes and models of valves for operation, and has strong applicability.

Description

Technical Field

[0001] This utility model relates to the field of deep well operation tools, specifically a deep well wrench with adjustable opening. Background Technology

[0002] Valves are common control components in pipelines. Due to design requirements, some pipelines need to be buried underground, and valves are also installed underground along with the pipelines, with valve wells set up at the valve locations for operation and maintenance. To facilitate operation of valves in valve wells, deep-well valve wrenches with long handles have been developed, allowing operators to operate valves in deep wells from the ground. However, valves in deep wells come in various sizes, requiring workers to carry multiple sizes of deep-well wrenches to accommodate different valve specifications, which is quite cumbersome. Utility Model Content

[0003] The purpose of this invention is to provide an adjustable-opening deep well wrench, which solves the problems mentioned above.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an adjustable deep well wrench, comprising a handle, a shaft, and a wrench head. Two clamping blocks are hinged to the wrench head, and the inner side of each clamping block has a groove. The upper inner side of each clamping block has an arc-shaped surface, and a tensioning head is provided between the two arc-shaped surfaces. The lower inner side of each clamping block has a first elastic element that abuts against both sides. The handle is provided with an adjustment mechanism that drives the clamping blocks to move up and down.

[0005] Furthermore, the adjustment mechanism is a rotating rod screwed to the upper side of the wrench head, the lower end of the rotating rod is rotatably mounted on the tensioning head, the rod body is hollow, the rotating rod is located inside the rod body, and the upper end of the rotating rod extends out from the upper part of the handle.

[0006] Furthermore, the handle includes a base and two rotating rods hinged to both sides of the base. The upper end of each rotating rod extends out of the base and has a knob at its upper end.

[0007] Furthermore, the rod body includes a square outer sleeve connected to the wrench head and a square inner sleeve inserted in the outer sleeve. The handle is disposed on the inner sleeve. The rotating rod includes an outer rod screwed to the upper side of the wrench head and an inner rod inserted in the outer rod. The upper end of the inner rod extends out of the upper part of the handle. The outer rod and the inner rod are engaged by a key.

[0008] Furthermore, the inner sleeve is provided with a retractable locking protrusion, and the upper and lower parts of the outer sleeve are provided with locking holes to cooperate with the locking protrusion. The inner sleeve is provided with a second elastic element that tends to force the locking protrusion to extend outward, and a pressure post is provided at the locking hole.

[0009] Furthermore, the second elastic element includes a top plate that abuts against the inner side of the latching protrusion, and the inner sleeve has through holes on both sides of the latching protrusion, with springs for pulling the top plate installed at the through holes.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model can adjust the up and down movement of the clamping block through the adjustment mechanism. The clamping block presses against the upper side of the two tensioning heads, so that the tensioning heads can perform opening and closing adjustment actions. It can be adapted to valves of various sizes and models for operation and has strong applicability. Attached Figure Description

[0011] Figure 1 This is a perspective view of an embodiment of the present utility model;

[0012] Figure 2 This is a cross-sectional schematic diagram of the clamping block in an embodiment of the present invention;

[0013] Figure 3 This is a three-dimensional exploded view of the inner sleeve and outer sleeve, and the inner rod and outer rod of this utility model.

[0014] Figure 4 This is a three-dimensional exploded view of the second elastic element of this utility model. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] In the description of this 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., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0017] like Figure 1-4As shown, the purpose of this embodiment is to provide an adjustable deep well wrench, including a handle 1, a shaft 2, and a wrench head 3. Two clamping blocks 4 are hinged to the wrench head 3. The inner side of each clamping block 4 has a groove 41. The upper inner side of each clamping block 4 has an arc-shaped surface 42. A tensioning head 5 is positioned between the two arc-shaped surfaces 42. The lower inner side of each clamping block 4 has a first elastic element 6 that abuts against both sides. The handle 1 is equipped with an adjustment mechanism for driving the clamping blocks 4 to move up and down. In use, the wrench head 3 can be first inserted into the deep well and placed on the valve, and then... The adjusting mechanism drives the tensioning head 5 to move downwards, which pushes the upper sides of the two clamping blocks 4 outwards. The lower sides of the clamping blocks 4 are tightened inwards by lever action, and the two clamping blocks 4 clamp the valve. Then the valve can be operated by turning the handle 1. The first elastic element 6 is a spring. After turning or when it is necessary to increase the distance between the two clamping blocks 4, the adjusting mechanism drives the tensioning head 5 to move upwards. A gap is created between the upper sides of the two clamping blocks 4 and the tensioning head 5. The spring can push the lower sides of the two clamping blocks 4 to both sides to increase the distance between the two clamping blocks 4.

[0018] Preferably, the adjusting mechanism is a rotating rod 7 screwed to the upper side of the wrench head 3. The lower end of the rotating rod 7 is rotatably mounted on the tensioning head 5. The rod body 2 is hollow, and the rotating rod 7 is located inside the rod body 2. The upper end of the rotating rod 7 extends out of the upper part of the handle 1. When the rotating rod 7 is rotated, the rotating rod 7 is threaded into the upper side of the wrench head 3, and the rotating rod 7 can gradually move up or down. The rotating rod 7 and the tensioning head 5 are rotatably connected, so the rotation of the rotating rod 7 will not drive the tensioning head 5 to rotate (the spring pushes the lower sides of the two clamping blocks 4 to the sides, and the upper sides of the two clamping blocks 4 will also press the tensioning head 5 inward, further restricting the rotation of the tensioning head 5). The tensioning head 5 only moves up and down.

[0019] Preferably, the handle 1 includes a base 11 and two rotating rods 12 hinged to both sides of the base 11. The upper end of the rotating rod 7 extends out of the upper part of the base 11. A knob 71 is provided at the upper end of the rotating rod 7. The knob 71 can be used to control the rotation of the rotating rod 7 to adjust the up and down movement of the tensioning head 5. The rotating rod 12 can be used to turn the whole thing to rotate and turn the valve.

[0020] Preferably, the lever body 2 includes an outer sleeve 21 connected to the wrench head 3 and an inner sleeve 22 inserted into the outer sleeve 21. The handle 1 is disposed on the inner sleeve 22. The rotating rod 7 includes an outer rod 72 screwed to the upper side of the wrench head 3 and an inner rod 73 inserted into the outer rod 72. The upper end of the inner rod 73 extends out of the upper part of the handle 1. The outer rod 72 and the inner rod 73 are engaged by a key 74. When the wrench of this application is not used, the inner sleeve 22 can be inserted into the outer sleeve 21 and the inner rod 73 can be inserted into the outer rod 72 to reduce the length of the device, thereby making it convenient to carry. In this embodiment, both the outer sleeve 21 and the inner sleeve 22 are square. When rotating the rotating rod 7, both the inner sleeve 22 and the outer sleeve 21 are square, and the inner sleeve 22 can directly drive the outer sleeve 21 and the wrench head 3 to rotate. When rotating the rotating rod 7 by turning the knob 71, the inner rod 73 can drive the outer rod 72 to rotate through the key 74.

[0021] Preferably, the inner sleeve 22 is provided with a retractable locking protrusion 221, and the upper and lower parts of the outer sleeve 21 are provided with locking holes 211 to cooperate with the locking protrusion 221. The inner sleeve 22 is provided with a second elastic member that tends to force the locking protrusion 221 to extend outward. A pressure post 212 is provided at the locking hole 211. The locking protrusion 221 and the locking hole 211 cooperate to position the inner sleeve 22. In use, the locking protrusion 221 cooperates with the locking hole 211 on the upper part of the outer sleeve 21, and the inner sleeve 22 and the outer sleeve 21 are in an extended state. When not in use, the locking protrusion 221 and the locking hole 211 on the lower part of the outer sleeve 21 are in an extended state. When the inner sleeve 22 and outer sleeve 21 are in a shortened state, the inner sleeve 22 moves within the outer sleeve 21 to the position where the locking protrusion 221 corresponds to the locking hole 211. The second elastic element pushes the locking protrusion 221 out and into the locking hole 211 for positioning. When the inner sleeve 22 needs to be moved, the locking protrusion 221 is pressed inward by the pressure column 212 to disengage it from the locking hole 211, allowing the inner sleeve 22 to continue moving. The diameters at both ends of the pressure column 212 are larger than the diameter of the middle part (the cross-section of the pressure column 212 is "I" shaped), which ensures that the pressure column 212 does not disengage from the outer sleeve 21 during movement.

[0022] Preferably, the second elastic element includes a top plate 222 that abuts against the inner side of the latching protrusion 221. The inner sleeve 22 has through holes 223 on both sides of the latching protrusion 221. A spring 224 is provided at the through hole 223 to pull the top plate 222. When the latching protrusion 221 moves inward, it will push the top plate 222 inward. The top plate 222 will stretch the spring 224. When the latching protrusion 221 moves to the latching hole 211, the spring pulls the top plate 222, causing the latching protrusion 221 to move outward and be latched into the latching hole 211.

[0023] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An adjustable-opening deep well wrench, characterized in that: The device includes a handle, a rod, and a wrench. Two clamping blocks are hinged to the wrench. The inner side of each clamping block has a groove. The upper inner side of each clamping block has an arc-shaped surface. A tensioning head is located between the two arc-shaped surfaces. The lower inner side of each clamping block has a first elastic element that abuts against both sides. The handle is equipped with an adjustment mechanism that drives the clamping blocks to move up and down.

2. The adjustable-opening deep well wrench according to claim 1, characterized in that: The adjusting mechanism is a rotating rod screwed to the upper side of the wrench head. The lower end of the rotating rod is rotatably mounted on the tensioning head. The rod body is hollow, and the rotating rod is located inside the rod body. The upper end of the rotating rod extends out from the upper part of the handle.

3. The adjustable-opening deep well wrench according to claim 2, characterized in that: The handle includes a base and two rotating rods hinged to both sides of the base. The upper end of each rotating rod extends out of the base and has a knob at its upper end.

4. The adjustable-opening deep well wrench according to claim 2, characterized in that: The rod body includes a square outer sleeve connected to the wrench head and a square inner sleeve inserted into the outer sleeve. The handle is disposed on the inner sleeve. The rotating rod includes an outer rod screwed to the upper side of the wrench head and an inner rod inserted into the outer rod. The upper end of the inner rod extends out of the upper part of the handle. The outer rod and the inner rod are engaged by a key.

5. The adjustable-opening deep well wrench according to claim 4, characterized in that: The inner sleeve is provided with a retractable locking protrusion, and the upper and lower parts of the outer sleeve are provided with locking holes to cooperate with the locking protrusion. The inner sleeve is provided with a second elastic element that tends to force the locking protrusion to extend outward, and a pressure post is provided at the locking hole.

6. The adjustable-opening deep well wrench according to claim 5, characterized in that: The second elastic element includes a top plate that abuts against the inner side of the latching protrusion. The inner sleeve has through holes on both sides of the latching protrusion, and a spring is provided at the through hole to pull the top plate.

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