Screwdriver handle

Abstract

The screwdriver handle comprises a handle body and a connecting rod shaft, an anti-skid rubber layer is arranged on the handle body, a limiting column is arranged on the handle body, a limiting hole is formed in the anti-skid rubber layer, and the limiting column is clamped in the limiting hole in a matched mode; the handle body is hollow to form a containing cavity, a guide rod is arranged in the containing cavity, a screwdriver head assembly is arranged on the guide rod in a sliding mode, an opening communicated with the containing cavity is formed in the handle body, a tail cover is arranged at the opening in a covering mode, the tail cover is buckled with the handle body, the opening is covered with a shield, meanwhile, the tail cover abuts against the screwdriver head assembly, and the screwdriver head assembly is limited and fixed in the containing cavity. Through the design that the limiting columns are matched with the limiting holes, the connecting firmness and reliability between the anti-skid rubber layer and the handle body can be improved, the anti-skid rubber layer is not prone to falling off or shifting, meanwhile, the interior of the handle body is designed to be of a hollow structure, the screwdriver head assembly is contained in the containing cavity, carrying and using are convenient, various screwdriver heads can be replaced for use, and the practicability is high. And the application range of the screwdriver is effectively expanded.

Description

Technical Field

[0001] The utility model belongs to the technical field of screwdrivers, and in particular relates to a screwdriver handle. Background Art

[0002] A screwdriver is a common tool used to turn a screw to put it in place. It usually has a thin wedge-shaped head that can be inserted into the slot or notch of the screw head. Traditional screwdrivers usually have a single function. The handle and the blade are usually designed with a fixed structure, that is, an integrated structure. When screws of different specifications need to be screwed, multiple screwdrivers with different blade shapes are required, which makes it difficult for workers to carry and use them. The handle of a traditional screwdriver is also wrapped with a rubber layer, which has an anti-slip effect. However, after long-term use, the rubber layer is prone to falling off or shifting, affecting the use and operation of the entire screwdriver. Summary of the invention

[0003] The utility model aims to provide a technical solution for a screwdriver handle in view of the deficiencies in the prior art. The design is ingenious and reasonable. The anti-skid rubber layer is used to increase the friction of the handle, which is more convenient for practical use. The design of the limiting column and the limiting hole can improve the connection firmness and reliability between the anti-skid rubber layer and the handle body, so that the anti-skid rubber layer is not easy to fall off or shift. At the same time, the handle body is designed to be a hollow structure, and the bit assembly is stored in the accommodating cavity. It is easy to carry and use, and a variety of bits can be replaced and used, which effectively increases the application range of the screwdriver.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] A screwdriver handle comprises a handle body and a connecting rod shaft, wherein the connecting rod shaft is detachably connected to a screwdriver bit; a non-slip rubber layer is provided on the handle body, a limiting post is provided on the handle body, a limiting hole is provided on the non-slip rubber layer, and the limiting post is matched and clamped in the limiting hole; a receiving cavity is formed in the handle body through a hollowing, a guide rod is provided in the receiving cavity, a screwdriver bit assembly is slidably provided on the guide rod, an opening which passes through the receiving cavity is provided on the handle body, a tail cover is provided at the opening, the tail cover is buckled with the handle body, the opening is covered by the tail cover, and at the same time, the tail cover contacts with the screwdriver bit assembly, and the screwdriver bit assembly is limited and fixed in the receiving cavity; the design is ingenious and reasonable, the non-slip rubber layer is used to increase the friction of the handle, which is more convenient for practical use, and the limiting post cooperates with the limiting hole to prevent the screwdriver bit assembly from being damaged. The design can improve the connection firmness and reliability between the anti-slip rubber layer and the handle body, so that the anti-slip rubber layer is not easy to fall off or shift. At the same time, the handle body is designed to be a hollow structure, and the bit assembly is stored in the accommodating cavity, which is easy to carry and use. A variety of bit heads can be replaced and used, which effectively increases the application range of the screwdriver, and the bit assembly is slidably arranged on the guide rod, which can facilitate the removal of the bit assembly from the accommodating cavity to expose it, thereby facilitating the removal and replacement of the bit head. The tail cover and the handle body are buckled for easy installation and disassembly. The tail cover covers the opening to ensure the beautiful appearance of the handle body, and the tail cover is buckled to limit and fix the bit assembly, which effectively ensures the placement stability and reliability of the bit assembly in the accommodating cavity.

[0006] Furthermore, the handle body is inwardly recessed to form a handshake cavity, and the anti-skid rubber layer completely covers the handshake cavity. The anti-skid rubber layer is provided with a protrusion and an inner groove. The protrusion is provided at the handshake cavity, and the handshake cavity allows the user's hand to be limited in the inner groove, reducing the possibility of the screwdriver falling during use and improving the safety of use. At the same time, the anti-skid rubber layer completely covers the handshake cavity, thereby enhancing the grip stability of the handle body and improving the safety of the screwdriver during use. The design of the protrusion and the inner groove can further enhance the anti-skid performance of the handle, making it easier for the hand to hold and use.

[0007] Furthermore, a threaded section is provided at one end of the guide rod, a positioning boss is provided in the accommodating cavity, an internal threaded hole is provided on the positioning boss, the guide rod is screwed into the internal threaded hole through the threaded section, and the guide rod is installed and fixed in the accommodating cavity by a threaded connection, which effectively ensures the installation stability and firmness of the guide rod, and is more conducive to the guiding and limiting of the guide rod for the sliding of the screwdriver head assembly. The design is reasonable and the installation and disassembly are convenient. The positioning boss can facilitate the installation and fixation of the guide rod and guide and limit one end of the pop-up spring.

[0008] Furthermore, the screwdriver bit assembly includes a screwdriver bit rack, a connecting rack and a pop-up spring. A screwdriver bit is stored and placed on the screwdriver bit rack. The screwdriver bit rack is arranged at one end of the connecting rack. The screwdriver bit rack and the connecting rack are slidably sleeved on the outside of the guide rod. A limiting head is arranged at the other end of the guide rod. The limiting head is slidably engaged with the inner wall of the cavity of the connecting rack. The pop-up spring is always compressed and limited between the screwdriver bit rack and the accommodating cavity. One end of the pop-up spring is sleeved on the positioning boss, and the other end of the pop-up spring is limitedly abutted against the screwdriver bit rack. The screwdriver bit rack serves as a carrier of the screwdriver bit and is used for storing and fixing multiple identical or different screwdriver bits. The screwdriver bit rack and the connecting rack are connected and fixed as a whole, which is convenient for the screwdriver bit assembly to slide on the guide rod and ensure the screwdriver bit is in a stable state. The stability of the head assembly during sliding, the design of the limit head limits the sliding range of the bit assembly on the guide rod, ensuring that the bit assembly will not completely detach from the guide rod, thereby improving operational safety and stability. At the same time, the limit head just slides and is connected in the cavity of the connecting frame, which provides further auxiliary support for the sliding process of the connecting frame, making the movement of the entire bit assembly more stable. The pop-up spring is always in a compressed state within the moving range of the bit assembly, thereby providing a certain elastic force. When the tail cover is opened, the pop-up spring provides elastic force to push the bit frame and the connecting frame as a whole to move along the guide rod toward the opening direction, thereby facilitating the user to take and replace the bit.

[0009] Furthermore, a mounting hole is provided on the bit rack, a limiting convex ring is provided in the mounting hole, a limiting ring groove is provided on the connecting frame, the bit rack is plugged into one end of the connecting frame through the mounting hole, and at the same time, the limiting convex ring is limitedly inserted into the limiting ring groove. The structural design is ingenious and reasonable. The mounting hole facilitates the plug-in installation between the connecting frame and the bit rack, and the assembly is convenient and simple. At the same time, through the clamping connection between the limiting ring groove and the limiting convex ring, the assembly firmness and reliability between the connecting frame and the bit rack can be effectively ensured, and shaking or falling off between the two can be prevented, thereby ensuring the overall structural safety and structural strength.

[0010] Furthermore, a retaining ring frame is provided at the other end of the connecting frame, and a plug-in block 1 and a plug-in slot 1 are provided on the outer wall of the retaining ring frame, and a plug-in block 2 and a plug-in slot 2 are provided on the inner wall of the tail cover. When the tail cover is buckled with the handle body, the plug-in block 1 is limitedly clamped in the corresponding plug-in slot 2, and the plug-in block 2 is limitedly clamped in the corresponding plug-in slot 1. Through the corresponding clamping between the plug-in block 1 and the plug-in slot 2, and the plug-in block 2 and the plug-in slot 1, the precise clamping positioning and clamping stability between the tail cover and the connecting frame are ensured, and the actual assembly and disassembly are also convenient.

[0011] Furthermore, a U-shaped frame is provided on the bit rack, and an installation cavity is formed between the U-shaped frame and the bit rack, and a damping block is provided in the installation cavity. The U-shaped frame, the damping block, the bit rack and the connecting frame are all penetrated with perforations, and the guide rod matches the perforations. One end of the guide rod passes through the connecting frame, the bit rack, the damping block, the U-shaped frame and the positioning boss through the perforations to be connected and fixed. The structural design is ingenious and reasonable. The U-shaped frame can enhance the structural strength of the bit rack. At the same time, an installation cavity is formed between the U-shaped frame and the bit rack. The installation cavity is used for the placement of the damping block. The damping block can play a buffering and stabilizing role in the sliding of the bit assembly, so that the removal process of the bit assembly is smoother. The perforations allow the guide rod to smoothly pass through these components and be threadedly connected to the positioning boss, which is convenient for installation and disassembly.

[0012] Furthermore, placement grooves are evenly arranged on the outer wall of the bit rack in the circumferential direction, and integrally formed side baffles are arranged on both sides of the placement grooves. The top ends of the side baffles are bent to form limiting convex portions, and the limiting convex portions are bent toward the placement grooves. The placement grooves are evenly distributed in the circumferential direction, so that each bit has a fixed position, and the bit rack can be neatly placed on the bit rack, which is convenient for users to store and manage the bit racks. The side baffles cooperate with the limiting convex portions to constrain both sides of the bit, so that the placement of the bit on the bit rack is more stable and reliable, thereby improving safety in use.

[0013] Furthermore, a buckle block 1 is provided on the tail cover, and a buckle block 2 and a gap groove are provided at the end of the opening on the handle body. The buckle block 1 and the buckle block 2 are buckled with each other to achieve the buckle connection and fixation between the tail cover and the handle body. The structural design is ingenious and reasonable. The buckle block 1 cooperates with the buckle block 2 to achieve the buckle connection and installation between the tail cover and the handle body. At the same time, the design of the gap groove allows the handle body to have a certain deformation and extrusion space at the end of the opening, thereby facilitating the disassembly and separation between the tail cover and the handle body, and more convenient for practical operation.

[0014] Furthermore, the limit head is provided with a locking cover, which is limited at the end of the connecting frame, and a threaded locking column is provided on the locking cover, and an internal threaded hole two is provided on the limit head, and the threaded locking column is threadedly screwed in the internal threaded hole two to realize the connection and fixation between the locking cover and the limit head. The structural design is ingenious and reasonable, and the threaded locking column cooperates with the internal threaded hole two to realize the threaded connection between the locking cover and the limit head of the guide rod, effectively ensuring the firmness and reliability of the connection. At the same time, the threaded connection is flexible and easy to disassemble and assemble. The locking cover is limited and is limited at the end of the connecting frame, so that after the tail cover is removed from the handle body, the screwdriver head assembly is restricted by the locking cover and cannot slide immediately. After the locking cover is removed from the limit head, the screwdriver head assembly will be pushed and slid towards the opening under the resilience of the pop-up spring, which effectively improves the safety of the entire operation and avoids the safety hazard caused by the loose tail cover and the sudden ejection of the screwdriver head assembly.

[0015] The utility model has the following beneficial effects due to the adoption of the above technical solution:

[0016] The utility model discloses a screwdriver with an anti-skid structure, and the screwdriver bit assembly is convenient to carry and use, and a variety of screwdriver bits can be used interchangeably, thereby effectively increasing the application range of the screwdriver. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings:

[0018] Figure 1 This is a schematic diagram of the structure of the first embodiment of the utility model;

[0019] Figure 2 This is an explosion diagram of the first embodiment of the utility model;

[0020] Figure 3 This is a schematic diagram of the planar structure of the first embodiment of the present utility model;

[0021] Figure 4 for Figure 3 Schematic diagram of the cross-sectional structure of AA;

[0022] Figure 5 This is a schematic diagram of the structure after the anti-slip rubber layer and the handle body are assembled in the first embodiment of the utility model;

[0023] Figure 6 This is a schematic diagram of the structure of the anti-slip rubber layer in the first embodiment of the utility model;

[0024] Figure 7 This is a schematic diagram of the structure of the handle body in the first embodiment of the utility model;

[0025] Figure 8 This is a schematic diagram of the internal cross-sectional structure of a handle body according to an embodiment of the utility model;

[0026] Fig. 9 This is a schematic diagram of the structure of the tail cover in the first embodiment of the utility model;

[0027] Fig.10 This is a schematic diagram of the structure of the connecting frame in the first embodiment of the utility model;

[0028] Fig.11 This is a schematic diagram of the structure of the screwdriver bit holder in the first embodiment of the present utility model;

[0029] Fig.12 for Fig.11A schematic diagram of the structure from another perspective;

[0030] Fig.13 This is a schematic diagram of the internal cross-sectional structure of the second embodiment of the present utility model;

[0031] Fig.14 This is a schematic structural diagram of the guide rod of the second embodiment of the utility model.

[0032] In the figure: 1-handle body; 2-connecting rod shaft; 3-bit; 4-anti-slip rubber layer; 5-limiting column; 6-limiting hole; 7-accommodating chamber; 8-guide rod; 9-bit assembly; 10-opening; 11-tail cover; 12-handshake chamber; 13-protrusion; 14-inner groove; 15-threaded section; 16-positioning boss; 17-inner threaded hole 1; 18-bit frame; 19-connecting frame; 20-pop-up spring; 21-limiting head; 22-mounting hole ; 23-limiting convex ring; 24-limiting ring groove; 25-retaining ring frame; 26-plug-in block one; 27-plug-in groove one; 28-plug-in block two; 29-plug-in groove two; 30-U-shaped frame; 31-installation cavity; 32-damping block; 33-perforation; 34-placing groove; 35-side baffle; 36-limiting convex part; 37-buckle block one; 38-buckle block two; 39-gap notch; 40-locking cover; 41-locking threaded column; 42-internal threaded hole two. DETAILED DESCRIPTION

[0033] like Figures 1 to 12 As shown, it is the first embodiment of the utility model, a screwdriver handle comprises a handle body 1 and a connecting rod shaft 2, the connecting rod shaft 2 is detachably connected to a screwdriver bit 3; an anti-skid rubber layer 4 is provided on the handle body 1, a limiting column 5 is provided on the handle body 1, a limiting hole 6 is provided on the anti-skid rubber layer 4, and the limiting column 5 is matched and clamped in the limiting hole 6; the handle body 1 is hollow to form a receiving cavity 7, a guide rod 8 is provided in the receiving cavity 7, a screwdriver bit assembly 9 is slidably provided on the guide rod 8, an opening 10 which passes through the receiving cavity 7 is provided on the handle body 1, a tail cover 11 is provided at the opening 10, the tail cover 11 is buckled with the handle body 1, the opening 10 is covered and shielded, and at the same time, the tail cover 11 is in conflict with the screwdriver bit assembly 9, and the screwdriver bit assembly 9 is limited and fixed in the receiving cavity 7.

[0034] The handle body 1 is recessed inward to form a handshake cavity 12, and the anti-skid rubber layer 4 completely covers the handshake cavity 12. A protrusion 13 and an inner groove 14 are provided on the anti-skid rubber layer 4. The protrusion 13 is provided at the handshake cavity 12. The handshake cavity 12 allows the user's hand to be limited in the inner groove 14, thereby reducing the possibility of the screwdriver falling during use and improving safety in use. At the same time, the anti-skid rubber layer 4 completely wraps the handshake cavity 12, thereby enhancing the gripping stability of the handle body 1 and improving the safety of the screwdriver during use. The design of the protrusion 13 and the inner groove 14 can further enhance the anti-skid performance of the handle, making it easier for the hand to hold and use.

[0035] A threaded section 15 is provided at one end of the guide rod 8, and a positioning boss 16 is provided in the accommodating chamber 7. An internal threaded hole 17 is provided on the positioning boss 16. The guide rod 8 is screwed into the internal threaded hole 17 through the threaded section 15. A flared groove is provided at the end of the internal threaded hole 17 to facilitate the connection and installation between the guide rod 18 and the positioning boss 16. The threaded connection is used to achieve the installation and fixation of the guide rod 8 in the accommodating chamber 7, which effectively ensures the installation stability and firmness of the guide rod 8, and is more conducive to the guide rod 8 to guide and limit the sliding of the screwdriver head assembly 9. The design is reasonable and the installation and disassembly are convenient. The positioning boss 16 can facilitate the installation and fixation of the guide rod 8 and guide and limit one end of the pop-up spring 20.

[0036] The bit assembly 9 includes a bit rack 18, a connecting rack 19 and a pop-up spring 20. The bit rack 18 is used to store and place a bit 3. The bit rack 18 is arranged at one end of the connecting rack 19. The bit rack 18 and the connecting rack 19 are slidably sleeved on the outside of the guide rod 8. A limiting head 21 is provided at the other end of the guide rod 8. The limiting head 21 is slidably engaged with the inner wall of the cavity of the connecting rack 19. The pop-up spring 20 is always compressed and limited between the bit rack 18 and the accommodating cavity 7. One end of the pop-up spring 20 is sleeved on the positioning boss 16, and the other end of the pop-up spring 20 is limited and abutted against the bit rack 18. The bit rack 18 serves as a carrier of the bit 3 and is used for storing and fixing multiple identical or different bit 3. The bit rack 18 and the connecting rack 19 are connected and fixed as a whole, which is convenient for the bit assembly 9 to be fixed on the guide rod 8 The design of the limit head 21 limits the sliding range of the bit assembly 9 on the guide rod 8, ensuring that the bit assembly 9 will not completely detach from the guide rod 8, thereby improving the operational safety and stability. At the same time, the limit head 21 is just slidably engaged in the cavity of the connecting frame 19, and further assists and supports the connecting frame 19 during the sliding process, making the movement of the entire bit assembly 9 more stable. The pop-up spring 20 is always in a compressed state within the moving range of the bit assembly 9, thereby providing a certain elastic force. When the tail cover 11 is opened, the pop-up spring 20 provides elastic force to push the bit frame 18 and the connecting frame 19 as a whole to move along the guide rod 8 toward the opening 10 and push out, thereby facilitating the user to take and replace the bit 3.

[0037] A mounting hole 22 is provided on the bit frame 18, a limiting convex ring 23 is provided in the mounting hole 22, a limiting ring groove 24 is provided on the connecting frame 19, the bit frame 18 is plugged into one end of the connecting frame 19 through the mounting hole 22, and the limiting convex ring 23 is limitedly inserted into the limiting ring groove 24. The structural design is ingenious and reasonable. The mounting hole 22 facilitates the plug-in installation between the connecting frame 19 and the bit frame 18, and the assembly is convenient and simple. At the same time, through the clamping between the limiting ring groove 24 and the limiting convex ring 23, the assembly firmness and reliability between the connecting frame 19 and the bit frame 18 can be effectively ensured, and shaking or falling off between the two can be prevented, thereby ensuring the overall structural safety and structural strength.

[0038] A retaining ring frame 25 is provided at the other end of the connecting frame 19, and a plug-in block 26 and a plug-in slot 27 are provided on the outer wall of the retaining ring frame 25, and a plug-in block 28 and a plug-in slot 29 are provided on the inner wall of the tail cover 11. When the tail cover 11 is buckled with the handle body 1, the plug-in block 1 26 is limitedly engaged in the corresponding plug-in slot 29, and the plug-in block 28 is limitedly engaged in the corresponding plug-in slot 1 27. Through the corresponding engagement between the plug-in block 1 26 and the plug-in slot 29, and the plug-in block 28 and the plug-in slot 1 27, the precise engagement positioning and engagement stability between the tail cover 11 and the connecting frame 19 are ensured, and the actual assembly and disassembly are also convenient.

[0039] The screwdriver bit frame 18 is provided with a U-shaped frame 30, and a mounting cavity 31 is formed between the U-shaped frame 30 and the screwdriver bit frame 18, and a damping block 32 is provided in the mounting cavity 31. The U-shaped frame 30, the damping block 32, the screwdriver bit frame 18 and the connecting frame 19 are all provided with perforations 33, and the guide rod 8 matches the perforations 33. One end of the guide rod 8 passes through the connecting frame 19, the screwdriver bit frame 18, the damping block 32, the U-shaped frame 30 and the positioning boss 16 are connected and fixed. The structural design is ingenious and reasonable. The U-shaped frame 30 can enhance the structural strength of the screwdriver bit frame 18, and at the same time, a mounting cavity 31 is formed between the U-shaped frame and the screwdriver bit frame 18. The mounting cavity 31 is used for the placement of the damping block 32. The damping block 32 can play a buffering and stabilizing role in the sliding of the screwdriver bit assembly 9, so that the removal process of the screwdriver bit assembly 9 is more stable. The perforations 33 allow the guide rod 8 to smoothly pass through these components and be threadedly connected to the positioning boss 16, which is convenient for installation and disassembly.

[0040] The outer wall of the bit rack 18 is evenly provided with placement grooves 34 in the circumferential direction, and both sides of the placement grooves 34 are provided with integrally formed side baffles 35. The top of the side baffles 35 are bent to form a limiting convex portion 36, and the limiting convex portion 36 is bent toward the placement groove 34. The placement grooves 34 are evenly distributed in the circumferential direction, so that each bit 3 has a fixed position, and the bit 3 is regularly placed on the bit rack 18, which is convenient for users to store and manage the bit 3. The side baffles 35 cooperate with the limiting convex portion 36 to constrain the two sides of the bit 3, so that the placement of the bit 3 on the bit rack 18 is more stable and reliable, thereby improving the safety of use.

[0041] A buckle block 1 37 is provided on the tail cover 11, and a buckle block 2 38 and a gap slot 39 are provided at the end of the opening 10 on the handle body 1. The buckle block 1 37 and the buckle block 2 38 are buckled with each other to achieve the buckle connection and fixation between the tail cover 11 and the handle body 1. The structural design is ingenious and reasonable. The buckle block 1 37 cooperates with the buckle block 2 38 to achieve the buckle connection and installation between the tail cover 11 and the handle body 1. At the same time, the design of the gap slot 39 enables the handle body 1 to have a certain deformation and extrusion space at the end of the opening 10, thereby facilitating the disassembly and separation between the tail cover 11 and the handle body 1, and more convenient for practical operation.

[0042] like Fig.13 and Fig.14 As shown in the figure, it is the second embodiment of the present invention. Based on the first embodiment, the present application further adds the design of a locking cover 40. The limiting head 21 is provided with a locking cover 40. The locking cover 40 is limited at the end of the connecting frame 19. The locking cover 40 is provided with a threaded locking column 41. The limiting head 21 is provided with a second internal threaded hole 42. The threaded locking column 41 is screwed in the second internal threaded hole 42 to achieve the connection and fixation between the locking cover 40 and the limiting head 21. The structural design is ingenious and reasonable. The threaded locking column 41 cooperates with the second internal threaded hole 42 to achieve the locking cover 40 and the guide The threaded connection between the limiting head 21 of the rod 8 effectively ensures the firmness and reliability of the connection. At the same time, the threaded connection is flexible and easy to disassemble and assemble. The locking cover 40 is limited and abuts against the end of the connecting frame 19, so that after the tail cover 11 is removed from the handle body 1, the screwdriver bit assembly 9 is restricted by the locking cover 40 and cannot slide immediately. The locking cover 40 needs to be removed from the limiting head 21. The screwdriver bit assembly 9 will be pushed and slid toward the opening 10 under the rebound force of the pop-up spring 20, effectively improving the safety of the entire operation and avoiding the tail cover 11 loosening and the screwdriver bit assembly 9 being suddenly ejected to cause a safety hazard.

[0043] The utility model is cleverly and reasonably designed. The anti-skid rubber layer 4 is used to increase the friction of the handle, which is more convenient for practical use. The limit column 5 is designed to cooperate with the limit hole 6 to improve the connection firmness and reliability between the anti-skid rubber layer 4 and the handle body 1, so that the anti-skid rubber layer 4 is not easy to fall off or shift. At the same time, the handle body 1 is designed to be a hollow structure, and the screwdriver head assembly 9 is stored in the accommodating cavity 7, which is convenient to carry and use. A variety of screwdriver heads 3 can be replaced and used, which effectively increases the application range of the screwdriver. The screwdriver head assembly 9 is slidably arranged on the guide rod 8, which can facilitate the removal of the screwdriver head assembly 9 from the accommodating cavity 7 to expose it, thereby It is convenient to take out and replace the screwdriver bit 3. The tail cover 11 and the handle body 1 are buckled together, which is convenient for installation and disassembly. The tail cover 11 covers the opening 10 to ensure the beautiful appearance of the handle body 1, and the screwdriver bit assembly 9 is limited and fixed after the tail cover 11 is buckled, which effectively ensures the placement stability and reliability of the screwdriver bit assembly 9 in the accommodating cavity 7. In addition, through the design of the specific structure of the screwdriver bit assembly 9, it is more convenient to take out and replace the screwdriver bit 3. When the tail cover 11 is opened, the pop-up spring 20 will provide elastic force to push the screwdriver bit frame 18 and the connecting frame 19 as a whole to move and push out along the guide rod 8 toward the opening 10, thereby facilitating the user to take out and replace the screwdriver bit 3.

[0044] The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent replacements or modifications made based on the present invention to achieve basically the same technical effects are all included in the protection scope of the present invention.

Claims

1. A screwdriver handle, comprising a handle body and a connecting rod shaft, wherein the connecting rod shaft is detachably connected to a screwdriver bit; Features: The handle body is provided with an anti-skid rubber layer, the handle body is provided with a limiting column, the anti-skid rubber layer is provided with a limiting hole, and the limiting column is matched and clamped in the limiting hole; The handle body is hollow to form a accommodating cavity, a guide rod is provided in the accommodating cavity, a bit assembly is slidably provided on the guide rod, an opening which passes through the accommodating cavity is provided on the handle body, a tail cover is provided at the opening, the tail cover is buckled with the handle body to cover the opening, and at the same time, the tail cover contacts with the bit assembly to limit and fix the bit assembly in the accommodating cavity.

2. A screwdriver handle according to claim 1, characterized in that: The handle body is inwardly recessed to form a handshake cavity, the anti-skid rubber layer completely wraps and covers the handshake cavity, and the anti-skid rubber layer is provided with a protrusion and an inner groove, and the protrusion is arranged at the handshake cavity.

3. A screwdriver handle according to claim 1, characterized in that: A threaded section is provided at one end of the guide rod, a positioning boss is provided in the accommodating cavity, an internal threaded hole 1 is provided on the positioning boss, and the guide rod is screwed into the internal threaded hole 1 through the threaded section.

4. A screwdriver handle according to claim 3, characterized in that: The bit assembly includes a bit rack, a connecting rack and a pop-up spring, a bit is stored on the bit rack, the bit rack is arranged at one end of the connecting rack, the bit rack and the connecting rack are slidably sleeved on the outside of the guide rod, a limiting head is arranged at the other end of the guide rod, the limiting head is slidably engaged with the inner wall of the cavity of the connecting rack, the pop-up spring is always compressed and limited between the bit rack and the accommodating cavity, one end of the pop-up spring is sleeved on the positioning boss, and the other end of the pop-up spring is limitedly abutted against the bit rack.

5. A screwdriver handle according to claim 4, characterized in that: The bit frame is provided with a mounting hole, a limiting convex ring is provided in the mounting hole, a limiting ring groove is provided on the connecting frame, the bit frame is plugged into one end of the connecting frame through the mounting hole, and the limiting convex ring is limitedly inserted into the limiting ring groove.

6. A screwdriver handle according to claim 4, characterized in that: A retaining ring frame is provided at the other end of the connecting frame, and a plug-in block 1 and a plug-in slot 1 are provided on the outer wall of the retaining ring frame, and a plug-in block 2 and a plug-in slot 2 are provided on the inner wall of the tail cover. When the tail cover is buckled with the handle body, the plug-in block 1 is limitedly clamped in the corresponding plug-in slot 2, and the plug-in block 2 is limitedly clamped in the corresponding plug-in slot 1.

7. A screwdriver handle according to claim 4, characterized in that: A U-shaped frame is provided on the bit rack, and an installation cavity is formed between the U-shaped frame and the bit rack. A damping block is provided in the installation cavity. The U-shaped frame, the damping block, the bit rack and the connecting rack are all penetrated by through holes, and the guide rod matches the through holes. One end of the guide rod passes through the connecting rack, the bit rack, the damping block, the U-shaped frame and is connected and fixed to the positioning boss through the through holes.

8. A screwdriver handle according to claim 4, characterized in that: The outer side wall of the bit rack is evenly provided with placement grooves in the circumferential direction, and both sides of the placement groove are provided with integrally formed side baffles, the top ends of the side baffles are bent to form limiting convex portions, and the limiting convex portions are bent toward the placement groove direction.

9. A screwdriver handle according to claim 1, characterized in that: The tail cover is provided with a buckle block 1, and the handle body is provided with a buckle block 2 and a gap notch at the end of the opening. The buckle block 1 and the buckle block 2 are buckled with each other to achieve buckling and fixation between the tail cover and the handle body.

10. A screwdriver handle according to claim 4, characterized in that: The limit head is provided with a locking cover, and the locking cover is limited at the end of the connecting frame. The locking cover is provided with a threaded locking column, and the limit head is provided with an internal threaded hole 2. The threaded locking column is threadedly screwed into the internal threaded hole 2 to realize the connection and fixation between the locking cover and the limit head.

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