Novel movable socket spanner
By designing the longitudinal insertion and insertion interface of the fixed and displaced jaws to adapt to different handle shapes, the problem of difficulty in tightening bolts in special specifications and in small spaces is solved, and fast and accurate bolt operation and efficient multifunctional applicability are achieved.
Patent Information
- Application Number
- CN202510296938.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2025-07-08
AI Technical Summary
The existing movable sleeve wrench has shortcomings in adjustment efficiency, operation ease, durability and applicability, especially in special specifications or in small spaces, it is difficult to handle the tightening and disassembly of bolts.
A new type of movable sleeve wrench is designed, which uses the slender shape of the fixed jaw and the displacement jaw that can be inserted longitudinally, combined with the longitudinal torsion nut to fix it, and is adapted to different handle shapes through the insertion interface to achieve multifunctional applications.
It realizes fast and accurate bolt fastening and disassembly, and is suitable for small spaces, extends service life, and improves operating efficiency and applicability.
Smart Images

Figure CN120269488A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of hardware tools, and particularly to a new type of adjustable socket wrench. Background Art
[0002] As a basic tool, wrenches are widely used in various industries, especially in the fields of machinery, automobiles, construction, electricity, household appliances, maintenance, assembly, etc. Their main function is to tighten or remove fasteners such as nuts and bolts, and they are usually used in work that requires a certain amount of torque. With technological progress and industrial development, the design of wrenches has evolved continuously, from traditional manual wrenches to today's multi-functional and precision wrenches, and the application scenarios have become more diverse. Especially in modern industrial production, equipment maintenance, and precision engineering, tools not only have to meet the high-intensity usage requirements but also perform excellently in complex and narrow spaces. Wrenches play an important role in construction sites, automobile repair shops, and the maintenance of production line equipment. The design of modern wrenches not only focuses on improving traditional functions but also continuously integrates new technologies such as adjustable clamping systems and automatic torque adjustment functions to improve operation accuracy and efficiency. In addition, with the innovation of environmental protection and material technologies, modern wrenches have also been significantly improved in terms of weight, durability, and corrosion resistance.
[0003] The prior art often has the following problems:
[0004] (1) In the fields of traditional mechanical maintenance, assembly, and manufacturing, adjustable socket wrenches are commonly used manual tools and play a crucial role in tightening and removing bolts and nuts. However, the adjustable socket wrenches on the existing market still have many deficiencies in terms of adjustment efficiency, operation convenience, durability and applicability. For example, the process of adjusting the opening size of the socket head is cumbersome and often requires multiple attempts to align; after long-term or high-intensity use, the wrench is prone to wear and deformation, resulting in a decrease in accuracy;
[0005] (2) For bolts with special specifications or in narrow spaces and with relatively fixed external shapes and structures of the wrenches themselves, the fixing methods are too single, making it difficult for traditional wrenches to handle such working environments. Summary of the Invention
[0006] The main purpose of the present invention is to provide a new type of adjustable socket wrench to effectively solve the problem that traditional wrenches in the background art are often unable to handle bolts with special specifications or in narrow spaces. The slender external shapes of the fixed jaw and the displacement jaw can be directly inserted longitudinally to fix the nut by longitudinal torsion, and the displacement sleeve arm can be directly removed in the way of torsional displacement for customizing or replacing a suitable clamping jaw opening. The socket for inserting the handle can also insert handles with different external shapes, which is very suitable for maintenance, modification, and multi-functional application scenarios that require different accessory combinations. (For example, it can fix Z-shaped or L-shaped handles for easy force application).
[0007] To achieve the above object, the technical solution adopted by the present invention is as follows:
[0008] A new type of movable socket wrench, comprising:
[0009] A socket joint, which is vertically placed in a cylindrical shape;
[0010] A limiting groove, which is opened on the top surface of the socket joint;
[0011] A depth port, which is opened on the top surface of the socket joint, and the depth port is communicated with one side edge of the limiting groove;
[0012] A fixed jaw, the fixed jaw includes a mouth-restraining member and a jaw opening, the mouth-restraining member is vertically installed in the depth port, the jaw opening is opened on one side of the mouth-restraining member, and the cross-section of the jaw opening is a turning opening;
[0013] A displacement socket arm, the displacement socket arm includes a sliding plate, a force-applying rod and driving teeth, the shape of the sliding plate is the same as the notch of the limiting groove, and the sliding plate is embedded in the limiting groove, the force-applying rod is integrated with the bottom surface of the sliding plate, and the driving teeth are arranged on the side wheel surface at the bottom of the sliding plate;
[0014] A displacement jaw, the displacement jaw is arranged opposite to the jaw opening of the fixed jaw, the displacement jaw is fixedly installed on the top surface of the sliding plate, and the displacement jaw will be driven to displace by the displacement socket arm, and the size of the clamped object is controlled by adjusting the clamping distance of the displacement jaw.
[0015] It further includes:
[0016] A chamber, which is opened in the socket joint;
[0017] A slideway, which is horizontally opened in the socket joint, and the slideway is communicated with the chamber;
[0018] A lead screw, one end of the lead screw penetrates through the slideway, the other end of the lead screw penetrates through the socket joint, and the other end of the lead screw extends in a direction away from the outer surface of the socket joint;
[0019] A rotating shaft, the rotating shaft is sleeved on the rod body of the lead screw, and the rotating shaft is located inside the chamber;
[0020] A helical thread, the helical thread is arranged axially along the side wheel surface of the rotating shaft, and the helical thread meshes with the driving teeth;
[0021] A knob, which is installed at the other end of the lead screw;
[0022] A viewing port, which is opened on the side wheel surface of the sleeve joint, and the depth of the viewing port runs through the sleeve joint;
[0023] An insertion port, which is opened at the bottom end of the sleeve joint.
[0024] The force application rod passes through the inner wall of the bottom of the limiting groove.
[0025] The depth port is opened on the sliding plate, and the depth port is in the extending direction of the jaw opening of the fixed jaw.
[0026] The displacement jaw is flush with the fixed jaw in height.
[0027] The viewing port and the chamber are on the same straight line.
[0028] The jaw openings of the fixed jaw and the displacement jaw have the same outer shape.
[0029] The chamber is communicated with the viewing port.
[0030] The inner diameter of the rotating shaft is fixedly connected to the outer circumference of the lead screw.
[0031] The side cross-sections of the fixed jaw and the displacement jaw are both slender strips.
[0032] Compared with the prior art, the beneficial effects of the present invention are:
[0033] (1) In the design of the present invention, by driving the driving teeth, the force application rod is driven to displace horizontally. The displacement direction of the force application rod determines the distance between the displacement jaw and the fixed jaw. When the distance between the two jaws gradually shrinks until it fits the nut to be twisted, the handle can be rotated to fix the nut. It is simple and fast. Moreover, the core components (rotating shaft and driving teeth) for driving the displacement jaw of the present invention are all located in the chamber of the sleeve joint, which is difficult to contact with the external environment and is not easily worn.
[0034] (2) For bolts of special specifications or in narrow spaces, the slender shapes of the fixed jaw and the displacement jaw can be directly inserted longitudinally to fix the nut by longitudinal twisting. And the way of twisting and displacing can directly remove the displacement sleeve arm to facilitate customization or replacement of a suitable clamping jaw opening. The insertion port for inserting the handle can also insert handles of different shapes, which is very suitable for maintenance, modification and multi-functional application scenarios that require different accessory combinations. (For example, Z-shaped or L-shaped handles can be fixed to facilitate force application). Description of the Drawings
[0035] The drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the specific embodiments of the present invention and do not constitute a limitation to the present invention.
[0036] Figure 1This is a schematic diagram of the overall shape of the present invention.
[0037] Figure 2 This is a front view schematic diagram of the present invention.
[0038] Figure 3 This is a side view schematic diagram of the present invention.
[0039] Figure 4 This is a schematic diagram of the internal structure of the present invention.
[0040] Reference numerals in the figure: 1, sleeve joint; 2, limit groove; 3, depth port; 4, fixed jaw; 41, mouthpiece; 42, jaw opening; 5, displacement sleeve arm; 51, sliding plate; 52, force application rod; 53, drive tooth; 6, displacement jaw; 7, chamber; 8, slideway; 9, lead screw; 10, rotating shaft; 11, helical thread; 12, knob; 13, viewing port; 14, insertion port. Specific embodiments
[0041] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0042] In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, the terms "set", "arrange", "connected", and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.
[0043] Such as Figures 1-4As shown, the present invention provides a new type of adjustable socket wrench. The adjustable socket wrench includes: The socket joint 1 is vertically placed in a cylindrical shape. The limiting groove 2 is opened on the top surface of the socket joint 1. The depth port 3 is opened on the top surface of the socket joint 1, and the depth port 3 communicates with one side edge of the limiting groove 2. The depth port 3 is opened on the sliding plate 51, and the depth port 3 is in the extending direction of the jaw opening 42 of the fixed jaw 4. The socket joint 1 is vertically placed in a cylindrical shape, and the limiting groove 2 and the depth port 3 are opened on its top surface. This design ensures that the socket joint 1 can be accurately positioned during use and provides stable mechanical support, avoiding unnecessary displacement or damage. It is made of high-strength steel or alloy steel to ensure that it is not easily deformed or damaged in a high-strength working environment. It can be widely applied to scenarios that require applying force in a narrow space, such as automotive repair, machining, and maintenance of construction equipment.
[0044] In order to set an adjustable clamping range, the fixed jaw 4 includes a constriction member 41 and a jaw 42. The constriction member 41 is vertically installed in the depth port 3. The jaw 42 is opened on one side of the constriction member 41, and the cross-section of the jaw 42 is a turning opening. The displacement socket arm 5 is provided and includes a sliding plate 51, a force-applying rod 52, and a driving tooth 53. The outer shape of the sliding plate 51 is the same as the notch of the limiting groove 2, and the sliding plate 51 is embedded in the limiting groove 2. The force-applying rod 52 is integrated with the bottom surface of the sliding plate 51. The driving teeth 53 are arranged on the side circumferential surface at the bottom of the sliding plate 51. The force-applying rod 52 passes through the bottom inner wall of the limiting groove 2. The displacement jaw 6 is arranged opposite to the jaw 42 of the fixed jaw 4. The displacement jaw 6 is fixedly installed on the top surface of the sliding plate 51. The displacement jaw 6 will be driven to displace by the displacement socket arm 5. The size of the clamped object is controlled by adjusting the clamping distance of the displacement jaw 6. The force-applying rod 52 is made of a lightweight alloy material, which can reduce the overall weight of the tool, making it more flexible and suitable for long-term operation without causing fatigue easily. It is suitable for use in mechanical repair, disassembly, and assembly processes that require frequent adjustment and fine operation.
[0045] The displacement jaw 6 is flush with the fixed jaw 4 in height. The jaw openings 42 of the fixed jaw 4 and the displacement jaw 6 have the same shape. It is made of high-strength and wear-resistant alloy steel, and through special treatment, its hardness and wear resistance are improved, and its service life is extended. The lead screw 9 and the rotating shaft 10 work in cooperation. Torque is transmitted through the engagement of the spiral thread 11 with the drive tooth 53, providing more precise torque control. The position and structure of the rotating shaft 10 can ensure flexible operation even in a narrow space. The lead screw 9 and the rotating shaft 10 are made of high-strength steel or stainless steel to increase wear resistance and corrosion resistance. This design is applicable to scenarios that require high-precision torque transmission and strong applications, such as automobile maintenance and the debugging of precision equipment. The design goal of the jaw system is to ensure that when force is applied, various-shaped nuts can be effectively clamped. Especially when the space is narrow, the nuts can be accurately positioned and fixed. The adjustable spacing design of the displacement jaw 6 enables the wrench to adapt to nuts of different sizes, ensuring sufficient and stable clamping force.
[0046] The chamber 7 is opened in the socket joint 1; the sight port 13 is on the same straight line as the chamber 7. The slideway 8 is horizontally opened in the socket joint 1, and the slideway 8 communicates with the chamber 7. One end of the lead screw 9 passes through the slideway 8, and the other end of the lead screw 9 penetrates through the socket joint 1, and the other end of the lead screw 9 extends away from the outer surface of the socket joint 1. The rotating shaft 10 is sleeved on the rod body of the lead screw 9, and the rotating shaft 10 is located inside the chamber 7. Lightweight materials are used to ensure flexible operation even in a narrow space, greatly improving the operation efficiency and applicable range. The inner diameter of the rotating shaft 10 is fixedly connected to the outer circumference of the lead screw 9. The spiral thread 11 is arranged along the side surface of the rotating shaft 10 in a spiral manner, and the spiral thread 11 engages with the drive tooth 53. The knob 12 is installed at the other end of the lead screw 9.
[0047] The sight port 13 is opened on the side surface of the socket joint 1, and the depth of the sight port 13 penetrates through the socket joint 1 all the way; the chamber 7 communicates with the sight port 13, and the insertion port 14 is opened at the bottom end of the socket joint 1. The customizability of the insertion port 14 enables most torque handles on the market to be tried for fixation, realizing the wide compatibility and expandability of the tool. The design of the sight port 13 and the chamber 7 allows users to view the internal state of the tool in real time, ensuring the accuracy and safety of the operation. The depth of the sight port 13 penetrates the entire socket joint 1, facilitating the viewing of the fixation of nuts or clamping parts.
[0048] The custom design of the insertion port 14 enables the tool to be compatible with most torque handles on the market, greatly enhancing the compatibility and expandability of the tool. The insertion port 14 is made of high-strength aluminum alloy to ensure that it is not easily deformed or damaged under high-load work. This design is very suitable for maintenance, modification, and multi-functional application scenarios that require different accessory combinations. For example, Z-shaped or L-shaped handles can be fixed for easy force application.
[0049] It should be noted that for a new type of adjustable socket wrench designed by the present invention, during use, a handle with a shape that allows for force application is inserted into the insertion port 14. The socket joint 1 is inverted so that the jaws 42 of the fixed jaw 4 are in contact with the outer circumference of the nut that needs to be frequently replaced or fixed in a narrow space. Then, by turning the knob 12, the screw rod 9 will rotate as the knob 12 rotates. The axial rotation of the screw rod 9 drives the rotating shaft 10 to drive the driving tooth 53, and the torque generated by the spiral thread 11 drives the force application rod 52 to displace laterally. The displacement direction of the force application rod 52 determines the distance between the displacement jaw 6 and the fixed jaw 4. When the distance between the two jaws gradually decreases until it fits the nut to be twisted, the handle can be rotated to fix the nut. If an irregular nut is encountered, the displacement sleeve arm 5 can be directly removed and a clamping member with a suitable jaw 42 can be replaced to allow the user to make fine adjustments to ensure the best tightening effect for each operation.
[0050] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it is understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A new type of adjustable socket wrench, characterized in that, Comprising: A sleeve joint (1), which is vertically placed in a cylindrical shape; A limit groove (2), which is opened on the top surface of the sleeve joint (1); A depth port (3), which is opened on the top surface of the sleeve joint (1), and the depth port (3) is communicated with one side edge of the limit groove (2); A fixed jaw (4), which includes a mouth - constricting part (41) and a jaw opening (42). The mouth - constricting part (41) is vertically installed in the depth port (3), the jaw opening (42) is opened on one side of the mouth - constricting part (41), and the cross - section of the jaw opening (42) is a turning opening; A displacement sleeve arm (5), which includes a sliding plate (51), a force - applying rod (52) and a driving tooth (53). The shape of the sliding plate (51) is the same as the notch of the limit groove (2), and the sliding plate (51) is embedded in the limit groove (2). The force - applying rod (52) is integrally combined with the bottom surface of the sliding plate (51), and the driving teeth (53) are arranged on the side wheel surface at the bottom of the sliding plate (51); A displacement jaw (6), which is arranged opposite to the jaw opening (42) of the fixed jaw (4). The displacement jaw (6) is fixedly installed on the top surface of the sliding plate (51). The displacement jaw (6) is driven to displace by the displacement sleeve arm (5), and the size of the clamped object is controlled by adjusting the clamping distance of the displacement jaw (6).
2. The novel adjustable socket wrench according to claim 1, characterized in that, Also comprising: A chamber (7), which is opened in the sleeve joint (1); A slideway (8), which is horizontally opened in the sleeve joint (1), and the slideway (8) is communicated with the chamber (7); A lead screw (9), one end of which penetrates through the slideway (8), the other end of the lead screw (9) penetrates through the sleeve joint (1), and the other end of the lead screw (9) extends in a direction away from the outer surface of the sleeve joint (1); A rotating shaft (10), which is sleeved on the rod body of the lead screw (9), and the rotating shaft (10) is located inside the chamber (7); A spiral thread (11), which is arranged axially along the side wheel surface of the rotating shaft (10). The spiral thread (11) meshes with the driving teeth (53); A knob (12), which is installed at the other end of the lead screw (9); A viewing port (13), which is opened on the side wheel surface of the sleeve joint (1), and the depth of the viewing port (13) penetrates through the sleeve joint (1) all the way; An insertion port (14), which is opened at the bottom end of the sleeve joint (1).
3. The novel adjustable socket wrench according to claim 1, wherein The force - applying rod (52) penetrates through the bottom inner wall of the limit groove (2).
4. A novel movable socket wrench according to claim 1, characterized in that, The depth port (3) is opened on the sliding plate (51), and the depth port (3) is in the extending direction of the jaw opening (42) of the fixed jaw (4).
5. A novel movable socket wrench according to claim 1, characterized in that, The displacement jaw (6) is flush with the fixed jaw (4) in height.
6. The novel adjustable socket wrench according to claim 2, wherein, The viewing port (13) is located on the same straight line as the chamber (7).
7. A novel movable socket wrench according to claim 2, characterized in that, The jaw openings (42) of the fixed clamping jaw (4) and the displacement clamping jaw (6) have the same outer shape.
8. A novel adjustable socket wrench according to claim 2, wherein, The chamber (7) communicates with the viewing port (13).
9. The novel adjustable socket wrench according to claim 2, wherein The inner diameter of the rotating shaft (10) is fixedly connected to the outer circumference of the lead screw (9).
10. A novel adjustable socket wrench according to claim 1, characterized in that, The side cross-sections of the fixed clamping jaw (4) and the displacement clamping jaw (6) are both slender strips.