Four-in-one ratchet wheel quick-change head

Abstract

The utility model belongs to the technical field of ratchet wheel quick-changing heads, and particularly relates to a four-in-one ratchet wheel quick-changing head which comprises a holding rod. A telescopic mechanism is mounted at one end of the holding rod; a fixing mechanism is mounted at the other end of the holding rod; a fixing mechanism is mounted at the end part of the telescopic mechanism; a first fixing ring is mounted at the end part of the fixing mechanism; a ratchet head is mounted in the middle of the first fixing ring; the middle part of the ratchet head is fixedly connected with a second fixing ring; a plurality of first grooves are formed in the middle of the second fixing ring; the middle part of the first groove is fixedly connected with an elastic telescopic rod; a plurality of second grooves are formed in the middle of the first fixing ring; a plurality of second grooves are formed in the first fixing ring; and the ratchet head can be effectively and rapidly replaced through the elastic telescopic rod, the machining requirements of different workpieces can be met, the time needed for replacing the ratchet head can be effectively shortened, and the overall production efficiency can be effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of ratchet quick-change heads, in particular to a four-in-one ratchet quick-change head. Background Art

[0002] The four-in-one ratchet quick-change head is a tool component that integrates multiple functions.

[0003] The four-in-one ratchet quick-change head is based on the characteristics of the ratchet mechanism. When the handle rotates, the pawl inside the ratchet quick-change head will grab the ratchet teeth and push the ratchet to rotate a certain angle. Due to the design of the ratchet, the ratchet can only rotate in one direction, thereby achieving tightening or disassembly operations.

[0004] In the prior art, when the ratchet quick-change head needs to be replaced, tools such as screwdrivers and wrenches are required to assist in installation and disassembly, and the operation steps are relatively cumbersome, which increases the cost of replacement time.

[0005] To this end, the utility model provides a four-in-one ratchet quick-change head. Utility Model Content

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0007] The technical solution adopted by the utility model to solve its technical problems is: a four-in-one ratchet quick-change head described in the utility model comprises a grip rod; a telescopic mechanism is installed at one end of the grip rod; a fixing mechanism is installed at the other end of the grip rod; a fixing mechanism is installed at the end of the telescopic mechanism; a first fixing ring is installed at the end of the fixing mechanism; a ratchet head is installed in the middle of the first fixing ring; a second fixing ring is fixedly connected to the middle of the ratchet head; a plurality of first grooves are opened in the middle of the second fixing ring; an elastic telescopic rod is fixedly connected to the middle of the first groove; a plurality of second grooves are opened in the middle of the first fixing ring; a plurality of second grooves are opened inside the first fixing ring; a push plate is slidably connected to the middle of the second groove; a sliding rod is fixedly connected to the middle of the push plate; the middle of the sliding rod passes through one side of the first fixing ring; a pressing plate is fixedly connected to the end of the sliding rod; the pressing plate is arranged outside the first fixing ring; the elastic telescopic rod through the above structure can effectively replace the ratchet head quickly, can adapt to the processing requirements of different workpieces, can effectively reduce the time required for replacing the ratchet head, and can effectively improve the overall production efficiency.

[0008] Preferably, the telescopic mechanism includes a threaded groove; the threaded groove is opened in the middle of the grip rod; a threaded rod is threadedly connected to the middle of the threaded groove; a sliding groove is opened in the middle of the grip rod; the sliding groove is opened outside the threaded groove; a sliding plate is slidably connected to the middle of the sliding groove; one end of the sliding plate is fixedly connected to the middle of the threaded rod; through the above structure, the threaded rod can be telescoped inside the grip rod so that the length of the grip rod can be adjusted according to the size of the space, which can effectively adapt to various narrow or restricted working environments.

[0009] Preferably, the fixing mechanism includes two fixing grooves; one of the fixing grooves is opened at the end of the grip rod; the other fixing groove is opened at the end of the threaded rod; a fixing rod is threadedly connected to the middle of the fixing groove; an elastic gasket is sleeved in the middle of the fixing rod; the end of the fixing rod is installed in the middle of the first fixing ring; through the above-mentioned structure, the fixing rod cooperates with the fixing groove to fix the first fixing ring to the grip rod and the end of the threaded rod, which can effectively increase the compatibility of ratchet heads of various specifications and can easily and quickly install ratchet heads of different sizes.

[0010] Preferably, two groups of first placement grooves are provided at the end of the ratchet head; each group of the first placement grooves are equidistantly distributed at the end of the ratchet head; a magnetic sheet is fixedly connected to the middle of the first placement groove; the magnetic force of the magnetic sheet through the above structure can increase the stability of the connection and effectively reduce the loosening or falling off caused by vibration or impact force.

[0011] Preferably, two second placement grooves are opened in the middle of the first fixing ring; the two second placement grooves are arranged opposite to each other; the second placement groove is arranged in a circular shape; a light bar is fixedly connected to the middle of the second placement groove; through the above structure, the light bar can provide additional lighting in insufficiently lit or dim working environments, effectively increasing the clarity of the ratchet head operation process.

[0012] Preferably, a grip pad is installed in the middle of the grip rod; the grip pad is fixedly connected to the middle of the grip rod; through the above structure, the soft and elastic material of the grip pad can absorb the impact force between the hand and the grip rod, effectively reduce the hand fatigue caused by long-term use, and effectively increase the comfort of holding.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. The four-in-one ratchet quick-change head described in the utility model can effectively and quickly replace the ratchet head through an elastic telescopic rod, can adapt to the processing requirements of different workpieces, can effectively reduce the time required for replacing the ratchet head, and can effectively improve the overall production efficiency.

[0015] 2. The four-in-one ratchet quick-change head described in the utility model can adjust the length of the grip according to the size of the space by extending and retracting the threaded rod inside the grip, and can effectively adapt to various narrow or restricted working environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model will be further described below in conjunction with the accompanying drawings.

[0017] Figure 1 It is a three-dimensional diagram of a four-in-one ratchet quick-change head in the utility model;

[0018] Figure 2 It is a structural schematic diagram of the threaded rod in the utility model;

[0019] Figure 3 It is a structural schematic diagram of the elastic telescopic rod in the utility model;

[0020] Figure 4 It is a structural schematic diagram of the fixing groove in the utility model;

[0021] Figure 5 It is a structural schematic diagram of the filter screen in the utility model;

[0022] In the figure: 1. grip rod; 11. first fixing ring; 12. second fixing ring; 13. first groove; 14. elastic telescopic rod; 15. second groove; 16. slide rod; 17. pressing plate; 18. push plate; 2. telescopic mechanism; 21. threaded groove; 22. slide groove; 23. threaded rod; 24. sliding plate; 3. fixing mechanism; 31. fixing groove; 32. fixing rod; 33. elastic gasket; 4. first placement groove; 41. magnetic sheet; 5. second placement groove; 51. light strip; 6. grip pad; 7. filter; 8. ratchet head. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] like Figures 1 to 5As shown, a four-in-one ratchet quick-change head described in an embodiment of the utility model includes a grip rod 1; a telescopic mechanism 2 is installed at one end of the grip rod 1; a fixing mechanism 3 is installed at the other end of the grip rod 1; the fixing mechanism 3 is installed at the end of the telescopic mechanism 2; a first fixing ring 11 is installed at the end of the fixing mechanism 3; a ratchet head 8 is installed in the middle of the first fixing ring 11; a second fixing ring 12 is fixedly connected to the middle of the ratchet head 8; a plurality of first grooves 13 are opened in the middle of the second fixing ring 12; an elastic telescopic rod 14 is fixedly connected to the middle of the first groove 13; a plurality of second grooves 15 are opened in the middle of the first fixing ring 11; a plurality of second grooves 15 are opened inside the first fixing ring 11; the second grooves A push plate 18 is slidably connected to the middle of 15; a slide bar 16 is fixedly connected to the middle of the push plate 18; the middle of the slide bar 16 passes through one side of the first fixing ring 11; a pressing plate 17 is fixedly connected to the end of the slide bar 16; the pressing plate 17 is arranged outside the first fixing ring 11; when working, the first fixing ring 11 is fixed to the end of the grip rod 1 and the telescopic mechanism 2 through the fixing mechanism 3; the second fixing ring 12 is fixed to the middle of the ratchet head 8, and when the ratchet head 8 is installed, the bottom of the ratchet head 8 passes through the middle of the first fixing ring 11, and when the end of the elastic telescopic rod 14 contacts the middle of the first fixing ring 11, it is squeezed, so that the end of the elastic telescopic rod 14 elastically contracts inwardly, and the elastic telescopic rod 14 is aligned with the corresponding second groove 15 position. When one end of the second groove 15 coincides with the end of the second groove 15, the end of the elastic telescopic rod 14 that is not squeezed is elastically ejected, so that the end of the elastic telescopic rod 14 enters the second groove 15. At the same time, when the end of the elastic telescopic rod 14 pops out, it contacts the push plate 18 and applies pressure to the middle of the push plate 18. After the push plate 18 is pressed, the slide bar 16 slides in the middle of the first fixing ring 11, and the ratchet head 8 is fixed by the elastic telescopic rod 14. When the ratchet head 8 is disassembled, the pressing plate 17 is pushed to make the slide bar 16 slide in the middle of the first fixing ring 11. When the slide bar 16 slides into the second groove 15, the second groove 15 pushes toward the end of the elastic telescopic rod 14, and the squeezed elastic telescopic rod 14 elastically contracts, and the elastic telescopic When one end of the rod 14 is away from the inside of the second groove 15, the ratchet head 8 is removed from the middle of the first fixed ring 11, so that the ratchet head 8 is disassembled. The ratchet head 8 can be effectively and quickly replaced through the elastic telescopic rod 14, which can adapt to the processing requirements of different workpieces, can effectively reduce the time required for replacing the ratchet head 8, can effectively improve the overall production efficiency, and can quickly connect various work links when it is necessary to frequently replace ratchet heads 8 of different specifications or types, can maintain the continuity of operations, can effectively simplify the operating procedures for installing and disassembling the ratchet head 8, reduce the difficulty and complexity of operations, and in emergency repair or emergency maintenance scenarios, effectively reduce the safety risks caused by long downtime due to long replacement time.

[0025] like Figures 1 to 4As shown, the telescopic mechanism 2 includes a threaded groove 21; the threaded groove 21 is provided in the middle of the grip rod 1; a threaded rod 23 is threadedly connected to the middle of the threaded groove 21; a slide groove 22 is provided in the middle of the grip rod 1; the slide groove 22 is provided outside the threaded groove 21; a sliding plate 24 is slidably connected to the middle of the slide groove 22; one end of the sliding plate 24 is fixedly connected to the middle of the threaded rod 23; during operation, when the working space is restricted, the threaded rod 23 is rotated to move the threaded rod 23 outward from the threaded groove 21, and while the threaded rod 23 is rotating, the sliding plate 24 moves in the slide groove along with the threaded rod 23 The handle 22 slides and rotates outward, the grip 1 is extended for use by the sliding plate 24, and the surface of the threaded rod 23 is protected by the sliding plate 24. The threaded rod 23 is extended and retracted inside the grip 1, so that the length of the grip 1 can be adjusted according to the size of the space, and can effectively adapt to various narrow or restricted working environments. In addition, when a large torque needs to be applied, the whole can be adjusted to a suitable length, thereby effectively increasing the stability of the grip and the accuracy of the control. When the grip 1 is shortened, the overall size will be reduced accordingly, which can be convenient for carrying and storage, and effectively increasing the overall practicality.

[0026] like Figure 1 , Figure 2 , Figure 5 As shown, the fixing mechanism 3 includes two fixing grooves 31; one of the fixing grooves 31 is opened at the end of the grip rod 1; the other fixing groove 31 is opened at the end of the threaded rod 23; a fixing rod 32 is threadedly connected in the middle of the fixing groove 31; an elastic gasket 33 is sleeved in the middle of the fixing rod 32; the end of the fixing rod 32 is installed in the middle of the first fixing ring 11; when working, when the first fixing ring 11 is fixed, the elastic gasket 33 is sleeved in the middle of the fixing rod 32, and one end of the fixing rod 32 is rotated to the position corresponding to the fixing groove 31, and the fixing rod 32 is The first fixing ring 11 is fixed to one end of the grip rod 1 and the threaded rod 23, and the first fixing ring 11 is fixed to the ends of the grip rod 1 and the threaded rod 23 by cooperating with the fixing rod 32 and the fixing groove 31, which can effectively increase the compatibility of ratchet heads 8 of various specifications, and can easily and quickly install ratchet heads 8 of different sizes, effectively improving the versatility and flexibility of the tool, and the elastic gasket 33 can effectively increase the contact area between the fixing rod 32 and the grip rod 1 and the threaded rod 23, which can effectively disperse these pressures and effectively reduce the problem of looseness or damage caused by local pressure concentration.

[0027] like Figure 1 and Figure 3As shown, two groups of first placement grooves 4 are opened at the end of the ratchet head 8; each group of the first placement grooves 4 is equidistantly distributed at the end of the ratchet head 8; a magnetic piece 41 is fixedly connected to the middle of the first placement groove 4; when working, the magnetic piece 41 is installed in the middle of the first placement groove 4, and when the ratchet head 8 approaches the connecting part, the first placement groove 4 continues to approach the connecting part to generate magnetic force, so that the ratchet head 8 and the connecting part are adsorbed to each other, and the magnetic force of the magnetic piece 41 can increase the stability of the connection, and effectively reduce the loosening or falling off caused by vibration or impact force. In situations where sealing is required, the magnetic piece 41 can effectively fill the small gap between the ratchet head 8 and the connecting part, effectively improve the sealing of the connection, and can effectively reduce the penetration of liquid or dust impurities. The magnetic force of the first placement groove 4 can make the ratchet head 8 automatically align and adsorb when approaching the connecting part, thereby improving the installation efficiency.

[0028] like Figure 1 , Figure 2 , Figure 5 As shown, two second placement grooves 5 are provided in the middle of the first fixing ring 11; the two second placement grooves 5 are arranged opposite to each other; the second placement groove 5 is arranged in a circular shape; a light bar 51 is fixedly connected to the middle of the second placement groove 5; when working, the light bar 51 is installed inside the second placement groove 5, and when the ratchet head 8 is used in a darker environment, the light bar 51 is powered on and turned on, and a certain brightness is provided for the working environment through the light bar 51. The light bar 51 can provide additional lighting in a low-light or dim working environment, effectively increase the clarity of the ratchet head 8 operation process, and can effectively improve the accuracy and efficiency of the operation. In a working environment where multiple tools or equipment coexist, the brightness of the light bar 51 can quickly attract the attention of the operator, and quickly locate the position of the ratchet head 8, thereby reducing the searching time.

[0029] like Figure 1 As shown, a grip pad 6 is installed in the middle of the grip rod 1; the grip pad 6 is fixedly connected to the middle of the grip rod 1; during operation, when the ratchet head 8 is used, the hand is placed on the grip pad 6, and the grip pad 6 contacts the hand through its soft elasticity, so that the grip rod 1 is picked up and work is performed, and the soft and elastic material of the grip pad 6 can absorb the impact force between the hand and the grip rod 1, effectively reducing the hand fatigue caused by long-term use, effectively increasing the comfort of holding, and the texture of the grip pad 6 can fit the contour of the hand to effectively reduce the gap between the hand and the grip rod 1, which can effectively make the grip more stable and comfortable.

[0030] like Figure 5As shown, two filters 7 are fixedly connected to the middle part of the first fixing ring 11; the two filters 7 are fixedly connected to the top positions of the corresponding second placement grooves 5; when working, the dust and impurities in the outside air are intercepted by the filters 7, so that the light bar 51 is isolated from the dust and impurities, and the filters 7 can effectively block the dust and particulate impurities in the air from entering the second placement groove 5, effectively reduce the contact between the dust and impurities and the light bar 51, reduce the dust and impurities in the air adhering to the surface of the light bar 51 and accumulate, effectively reduce the problem of dust and impurities accumulating on the surface of the light bar 51 and causing the heat dissipation performance to decrease, and effectively reduce the wear and damage on the surface of the light bar 51.

[0031] During operation, the first fixing ring 11 is fixed to the ends of the gripping rod 1 and the telescopic mechanism 2 through the fixing mechanism 3; the second fixing ring 12 is fixed to the middle of the ratchet head 8. When the ratchet head 8 is installed, the bottom of the ratchet head 8 is passed through the middle of the first fixing ring 11. When the end of the elastic telescopic rod 14 contacts the middle of the first fixing ring 11, it is squeezed, so that the end of the elastic telescopic rod 14 elastically contracts inwardly, and the elastic telescopic rod 14 is aligned with the corresponding second groove 15 position. When one end of the second groove 15 coincides with the end of the second groove 15, the end of the elastic telescopic rod 14 that is not squeezed is elastically ejected, so that the end of the elastic telescopic rod 14 enters the second groove 15. At the same time, When the end of the elastic telescopic rod 14 pops out, it contacts the push plate 18 and applies pressure to the middle of the push plate 18. After the push plate 18 is pressed, the slide bar 16 slides in the middle of the first fixing ring 11, and the ratchet head 8 is fixed by the elastic telescopic rod 14. When the ratchet head 8 is disassembled, the pressing plate 17 is pushed to make the slide bar 16 slide in the middle of the first fixing ring 11. When the slide bar 16 slides into the second groove 15, the second groove 15 pushes toward the end of the elastic telescopic rod 14, and the squeezed elastic telescopic rod 14 produces elastic contraction. When one end of the elastic telescopic rod 14 is away from the second groove 15, the ratchet head 8 is removed from the middle of the first fixing ring 11, thereby the ratchet head 8 is removed. When the working space is limited, the threaded rod 23 is rotated to move the threaded rod 23 outward from the thread groove 21. When the threaded rod 23 rotates, the sliding plate 24 slides and rotates outward in the sliding groove 22 along with the threaded rod 23. The gripping rod 1 is extended by the sliding plate 24, and the surface of the threaded rod 23 is protected by the sliding plate 24. When the first fixing ring 11 is fixed, the elastic gasket 33 is sleeved on the middle part of the fixing rod 32, and one end of the fixing rod 32 is rotated to the position of the fixing groove 31. The first fixing ring 11 is fixed to the gripping rod 1 and one end of the threaded rod 23 by the fixing rod 32. The magnetic sheet 4 is fixed to the gripping rod 1 and one end of the threaded rod 23. 1 is installed in the middle of the first placement groove 4. When the ratchet head 8 approaches the connecting part, the first placement groove 4 continues to approach the connecting part to generate magnetic force, so that the ratchet head 8 and the connecting part are adsorbed to each other, and the light bar 51 is installed in the second placement groove 5. When the ratchet head 8 is used in a darker environment, the light bar 51 is powered on and turned on, and a certain brightness is provided for the working environment through the light bar 51. When the ratchet head 8 is used, the hand is placed on the grip pad 6, and the grip pad 6 is in contact with the hand through its soft elasticity, so that the grip rod 1 is picked up and work is performed, and dust and impurities in the outside air are intercepted by the filter 7, so that the light bar 51 is isolated from the dust and impurities.

[0032] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A four-in-one ratchet quick-change head, comprising a grip rod (1); characterized in that: A telescopic mechanism (2) is installed at one end of the grip (1); a fixing mechanism (3) is installed at the other end of the grip (1); a fixing mechanism (3) is installed at the end of the telescopic mechanism (2); a first fixing ring (11) is installed at the end of the fixing mechanism (3); a ratchet head (8) is installed in the middle of the first fixing ring (11); a second fixing ring (12) is fixedly connected to the middle of the ratchet head (8); a plurality of first grooves (13) are opened in the middle of the second fixing ring (12); a plurality of first grooves (13) are fixedly connected to the middle of the first grooves (13); a plurality of first grooves (13) are fixedly connected to the middle of the first grooves (13); a plurality of first grooves (13) are fixedly connected to the middle of the first grooves (13); a plurality of first grooves (13) are fixedly connected to the middle of the first grooves (13); a plurality of first grooves (13) are fixedly connected to the middle of the first fixing ring (1 ... An elastic telescopic rod (14); a plurality of second grooves (15) are provided in the middle of the first fixing ring (11); a plurality of the second grooves (15) are provided inside the first fixing ring (11); a push plate (18) is slidably connected to the middle of the second groove (15); a sliding rod (16) is fixedly connected to the middle of the pushing plate (18); the middle of the sliding rod (16) passes through one side of the first fixing ring (11); a pressing plate (17) is fixedly connected to the end of the sliding rod (16); the pressing plate (17) is arranged outside the first fixing ring (11).

2. The four-in-one ratchet quick-change head according to claim 1, characterized in that: The telescopic mechanism (2) comprises a thread groove (21); the thread groove (21) is provided in the middle of the grip rod (1); a threaded rod (23) is threadedly connected to the middle of the thread groove (21); a sliding groove (22) is provided in the middle of the grip rod (1); the sliding groove (22) is provided outside the thread groove (21); a sliding plate (24) is slidably connected to the middle of the sliding groove (22); one end of the sliding plate (24) is fixedly connected to the middle of the threaded rod (23).

3. The four-in-one ratchet quick-change head according to claim 2, characterized in that: The fixing mechanism (3) comprises two fixing grooves (31); one of the fixing grooves (31) is opened at the end of the grip rod (1); the other fixing groove (31) is opened at the end of the threaded rod (23); a fixing rod (32) is threadedly connected in the middle of the fixing groove (31); an elastic gasket (33) is sleeved in the middle of the fixing rod (32); and the end of the fixing rod (32) is mounted in the middle of the first fixing ring (11).

4. The four-in-one ratchet quick-change head according to claim 3, characterized in that: Two groups of first placement grooves (4) are provided at the end of the ratchet head (8); each group of the first placement grooves (4) are equidistantly distributed at the end of the ratchet head (8); and a magnetic sheet (41) is fixedly connected to the middle of the first placement groove (4).

5. The four-in-one ratchet quick-change head according to claim 4, characterized in that: Two second placement grooves (5) are provided in the middle of the first fixing ring (11); the two second placement grooves (5) are arranged opposite to each other; the second placement groove (5) is arranged in a circular shape; and a light bar (51) is fixedly connected in the middle of the second placement groove (5).

6. The four-in-one ratchet quick-change head according to claim 5, characterized in that: A grip pad (6) is installed in the middle of the grip bar (1); the grip pad (6) is fixedly connected to the middle of the grip bar (1).

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