Universal three-bead self-locking type quick-release connecting rod for multiple bits

Abstract

The utility model discloses a universal three-bead self-locking type quick-release connecting rod for multiple bits, relates to the technical field of manual tools and electric tools, and aims to solve the problems that when an existing screwing tool clamps different types of bits, different rotating tools need to be matched for combined installation, replacement is inconvenient, and efficiency is low. According to the technical scheme, the quick release device is characterized by comprising a quick release main pipe, a clamping groove is reserved in the outer side of the quick release main pipe, a check ring is connected into the clamping groove in a clamped mode, the outer side of the quick release main pipe is sleeved with a first spring, a mounting groove is formed in the quick release main pipe, and a stainless steel ball is mounted in the mounting groove; a first inserting hole is formed in the position, located on the outer side of the mounting groove, in the quick-release main pipe, and a through groove of a second inserting hole is formed in the center of the interior of the quick-release main pipe. And adaptation and replacement are more convenient and efficient, and the effects of convenient disassembly, assembly and use are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to manual tool and electric tool technical field especially, it is a kind of three pearl self-locking quick-release connecting rod of universal multi-head. BACKGROUND

[0002] Manual tool refers to the tool relying on human power operation, and it is operated by human hand power, and it usually has portable and flexible characteristics, and is suitable for various complex operating environments, and manual tool can be used without external power supply or battery, is very convenient to carry and use, and manual tool usually includes screwdriver, ratchet wrench, pliers and the like;Electric tool refers to mechanical equipment driven by electricity, and is mainly used for cutting, polishing, drilling, tightening and the like, and electric tool usually has high efficiency and labor-saving characteristics, can greatly reduce the labor intensity of human, and improve work efficiency, and common electric tools include electric drill, electric saw, electric grinder and the like.

[0003] The prior art in the above has the following defects: the existing tightening tool needs to be combined and installed with different rotating tools when clamping different types of heads, and is inconvenient to replace and has low efficiency. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a three pearl self-locking quick-release connecting rod of universal multi-head.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A three pearl self-locking quick-release connecting rod of universal multi-head, including quick-release main pipe, the outside of quick-release main pipe is reserved with clamping groove, the inside of clamping groove is connected with baffle ring, the outside of quick-release main pipe is sleeved with first spring, the inside of quick-release main pipe is equipped with installation groove, the inside of installation groove is installed with stainless steel ball, the inside of quick-release main pipe is equipped with first jack outside installation groove, the center of quick-release main pipe inside is equipped with the through groove of second jack.

[0007] By adopting the above technical scheme, the stainless steel ball is installed in the installation groove, and the first spring is sleeved on the outside of the main pipe, so that the quick-release sliding seat can be installed conveniently in the later period, the elastic sliding of the quick-release sliding seat can be ensured through the telescopic action of the first spring, and the resetting operation can be performed at any time, so that the use is convenient.

[0008] Further, the outside of quick-release main pipe is installed with quick-release sliding seat, the outside of quick-release sliding seat is provided with anti-skid convex, the inside of quick-release sliding seat is fixedly connected with limit ring, the outside of limit ring is provided with blocking surface and slope, and quick-release sliding seat is sleeved on the outside of first spring.

[0009] By adopting the above technical scheme, the outside of the mounting groove can be blocked through the blocking surface and the slope surface inside the quick-release sliding seat. When the quick-release sliding seat is pulled down, the blocking surface moves away from the outside of the mounting groove, and the inclined structure on the outside of the slope surface causes the stainless steel ball inside the mounting groove to loosen, so that the tool connecting rod located inside the first jack is disassembled. When the quick-release sliding seat is reset, one side of the slope surface moves away, and the blocking surface blocks the opening position of the outside of the mounting groove again, so that the stainless steel ball returns to the mounting groove. At the same time, one side of the stainless steel ball is exposed inside the first jack, so that the stainless steel ball can contact the groove designed on the outside of the connecting rod, thereby achieving the effect of limiting and fixing.

[0010] Further, the inside of the second jack is inserted with a hexagonal connecting rod, the outside of the hexagonal connecting rod is provided with a second spring, one end of the outside of the hexagonal connecting rod is reserved with a groove, and the other end of the outside of the hexagonal connecting rod is reserved with a spiral groove, and one end of the second spring is wound inside the spiral groove.

[0011] By adopting the above technical scheme, by increasing the spiral groove, one end of the second spring can be stably installed on the outside of the hexagonal connecting rod. The connection by winding can ensure the stability of the structure.

[0012] Further, the mounting groove and the stainless steel ball are respectively annularly distributed with three at equal intervals, the stainless steel ball and the mounting groove are mutually adapted, the mounting groove and the first jack are mutually connected, one end of the outside of the stainless steel ball is exposed inside the first jack, and the first jack, the second jack and the through groove are mutually connected.

[0013] By adopting the above technical scheme, through the mounting groove and the stainless steel ball, the tool connecting rod of the delay part can be inserted and fixed, thereby playing a limiting and fixing role and preventing falling off.

[0014] Further, the other end of the second spring extends to the inside of the first jack through the second jack and the through groove, the second jack and the hexagonal connecting rod are mutually adapted, one end of the first spring is in contact with one side of the outside of the limiting ring, the other side of the outside of the limiting ring is in contact with one side of the outside of the check ring, the slope surface adopts an inclined structure, the first jack and the second jack are both internal hexagonal holes, the first jack and the second jack are the same in size and consistent in specification, and the hexagonal connecting rod and the second jack are connected in interference fit.

[0015] By adopting the technical scheme, the second spring can extend to the inside of the first insertion hole, so that one end of a tool connecting rod installed in the inside of the first insertion hole is in contact with the second spring, the second spring acts on the outside of the tool connecting rod, and the tool connecting rod can be popped out of the first insertion hole through the extension and retraction of the second spring in the later period, so that replacement is facilitated; the insertion hole adopts the structure of an internal hexagonal hole matched with a hexagonal connecting rod, and self-limiting is formed between the structures, so that use is more stable.

[0016] In summary, the beneficial technical effects of the utility model are as follows:

[0017] 1. The stainless steel ball and the quick-release sliding seat are adopted, the blocking surface and the slope surface in the quick-release sliding seat can block the outside of the mounting groove, when the blocking surface moves away from the outside of the mounting groove, the inclined structure on the outside of the slope surface makes the stainless steel ball in the mounting groove loose, so that the tool connecting rod in the inside of the first insertion hole can be disassembled, when the quick-release sliding seat is reset, the blocking surface blocks the opening position of the outside of the mounting groove again, so that the stainless steel ball returns to the mounting groove, and one side of the stainless steel ball is exposed in the inside of the first insertion hole, so that the stainless steel ball can be in contact with the groove designed on the outside of the connecting rod, the effect of limiting and fixing is achieved, and the effect of facilitating disassembly and assembly is achieved.

[0018] 2. The hexagonal connecting rod and the second spring are adopted, the second spring extends to the inside of the first insertion hole, and when the tool connecting rod is installed in the later period, the tool connecting rod extends to the inside of the through groove, at this time, the second spring is in a compressed state and acts on one end of the outside of the tool connecting rod, as long as the stainless steel ball is loosened, the tool connecting rod is directly popped out through the action of the second spring, so that operation and use are facilitated, and the effect of facilitating use is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the utility model;

[0020] Figure 2 It is a split structure schematic view of the utility model;

[0021] Figure 3 It is a split structure schematic view of the utility model Figure 1 ;

[0022] Figure 4 It is a split structure schematic view of the utility model Figure 2 ;

[0023] Figure 5 It is a quick-release main pipe three-dimensional structure schematic view of the utility model;

[0024] Figure 6 It is a quick-release sliding seat three-dimensional structure schematic view of the utility model.

[0025] In the figure, 1, quick release main pipe; 2, clamping groove; 3, first spring; 4, mounting groove; 5, stainless steel ball; 6, first insertion hole; 7, retaining ring; 8, quick release slide; 9, second insertion hole; 10, through groove; 11, hexagonal connecting rod; 12, second spring; 111, recess; 112, helical groove; 81, anti-skid protrusion; 82, limiting ring; 83, blocking surface; 84, slope. DETAILED DESCRIPTION

[0026] The utility model will be made further detailed explanation in combination with the drawings.

[0027] Reference Figures 1-6 A kind of three-ball self-locking quick-release connecting rod of multi-batch head, including quick release main pipe 1, the outside of quick release main pipe 1 is reserved clamping groove 2, retaining ring 7 is clamped and connected in the inside of clamping groove 2, first spring 3 is sleeved on the outside of quick release main pipe 1, mounting groove 4 is set up in the inside of quick release main pipe 1, stainless steel ball 5 is installed in the inside of mounting groove 4, first insertion hole 6 is set up in the inside of quick release main pipe 1 at the outside of mounting groove 4, through groove 10 of second insertion hole 9 is set up in the center of quick release main pipe 1, quick release slide 8 is installed on the outside of quick release main pipe 1, anti-skid protrusion 81 is arranged on the outside of quick release slide 8, limiting ring 82 is fixedly connected to the inside of quick release slide 8, blocking surface 83 and slope 84 are arranged on the outside of limiting ring 82, quick release slide 8 is sleeved on the outside of first spring 3, hexagonal connecting rod 11 is inserted in the inside of second insertion hole 9, second spring 12 is arranged on the outside of hexagonal connecting rod 11, recess 111 is reserved on one end of the outside of hexagonal connecting rod 11, helical groove 112 is reserved on the other end of the outside of hexagonal connecting rod 11, one end of second spring 12 is wound in the inside of helical groove 112, stainless steel ball 5 is installed in mounting groove 4, and first spring 3 is sleeved on the outside of main pipe simultaneously, to facilitate the installation of quick release slide 8 in later period, the elastic sliding of quick release slide 8 can be guaranteed by the telescopic action of first spring 3, and reset operation can be carried out at any time, to facilitate use, the outside of mounting groove 4 can be blocked by blocking surface 83 and slope 84 in quick release slide 8, quick release slide 8 is pulled down, at this time, blocking surface 83 moves away from the outside of mounting groove 4, the inclined structure of the outside of slope 84 makes stainless steel ball 5 in mounting groove 4 loose, so that tool connecting rod in first insertion hole 6 can be disassembled, when quick release slide 8 resets, one side of slope 84 moves away, and blocking surface 83 reblocks the outside opening position of mounting groove 4, so that stainless steel ball 5 returns to mounting groove 4, and one side of stainless steel ball 5 is exposed in the inside of first insertion hole 6, so that stainless steel ball 5 can contact recess 111 designed on the outside of connecting rod, to achieve the effect of limiting and fixing.

[0028] As Figures 1-6As shown, the mounting grooves 4 and the stainless steel balls 5 are arranged in a ring shape at equal intervals respectively, the stainless steel balls 5 and the mounting grooves 4 are matched with each other, the mounting grooves 4 and the first insertion holes 6 are communicated with each other, one end of the stainless steel balls 5 outside is exposed in the first insertion holes 6, the first insertion holes 6, the second insertion holes 9 and the through grooves 10 are communicated with each other, the other end of the second springs 12 extends to the inside of the first insertion holes 6 through the second insertion holes 9 and the through grooves 10, the second insertion holes 9 and the hexagonal connecting rods 11 are matched with each other, one end of the first springs 3 and one side of the limiting rings 82 outside are in contact with each other, the other side of the limiting rings 82 outside and one side of the retaining rings 7 outside are in contact with each other, the slope surfaces 84 adopt inclined structures, the first insertion holes 6 and the second insertion holes 9 are all internal hexagonal holes, the first insertion holes 6 and the second insertion holes 9 are same in size and consistent in specification, the hexagonal connecting rods 11 and the second insertion holes 9 are connected in interference fit.

[0029] The implementation principle of the embodiment is that when the tool connecting rod needs to be replaced, the replaced connecting rod is inserted into the first insertion holes 6 in the quick-release main pipe 1, at this time, the quick-release sliding seat 8 needs to be pulled to move the blocking surface 83 outside the quick-release sliding seat 8 away, and the slope surface 84 is moved to the opening outside the mounting groove 4, so that the stainless steel balls 5 in the mounting groove 4 are in a loose state and will not fall off from the mounting groove 4, at this time, the tool connecting rod is inserted, then the quick-release sliding seat 8 is loosened, and the extension and contraction of the first spring 3 make the quick-release sliding seat 8 quickly reset, at this time, the blocking surface 83 re-seals the opening outside the mounting groove 4, so that the stainless steel balls 5 are reset, and the part of the stainless steel balls 5 exposed in the first insertion holes 6 is in position contact to limit and fix the connecting rod, the overall structure is convenient to disassemble and assemble, and is convenient to use, and the utility model product solves a common problem, and adaptation and replacement are more convenient and efficient.

[0030] The embodiments of the specific embodiment are the preferred embodiments of the utility model, and do not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A multi-batch head universal three-bead self-locking quick release connecting rod, comprising a quick release main pipe (1), characterized in that: The outer side of the quick release main pipe (1) is reserved with a clamping groove (2), the inner side of the clamping groove (2) is clamped and connected with a check ring (7), the outer side of the quick release main pipe (1) is sleeved with a first spring (3), the inner side of the quick release main pipe (1) is provided with a mounting groove (4), the inner side of the mounting groove (4) is mounted with a stainless steel ball (5), the inner side of the quick release main pipe (1) is provided with a first jack (6) outside the mounting groove (4), and the center of the inner side of the quick release main pipe (1) is provided with a through groove (10) of a second jack (9).

2. The multi-batch head universal three-bead self-locking quick disconnect linkage of claim 1, wherein: The outer side of the quick release main pipe (1) is provided with a quick release sliding seat (8), the outer side of the quick release sliding seat (8) is provided with an anti-skid convex (81), the inner side of the quick release sliding seat (8) is fixedly connected with a limiting ring (82), the outer side of the limiting ring (82) is provided with a blocking surface (83) and a slope surface (84), and the quick release sliding seat (8) is sleeved outside the first spring (3).

3. The multi-batch head universal three-bead self-locking quick disconnect linkage of claim 2, wherein: The inner side of the second jack (9) is inserted with a hexagonal connecting rod (11), the outer side of the hexagonal connecting rod (11) is provided with a second spring (12), one end of the outer side of the hexagonal connecting rod (11) is reserved with a groove (111), the other end of the outer side of the hexagonal connecting rod (11) is reserved with a spiral groove (112), and one end of the second spring (12) is wound in the inner side of the spiral groove (112).

4. The multi-batch universal three-ball self-locking quick disconnect linkage of claim 3, wherein: The mounting groove (4) and the stainless steel ball (5) are respectively arranged at intervals in three annular arrangements, the stainless steel ball (5) and the mounting groove (4) are matched with each other, the mounting groove (4) and the first jack (6) are communicated with each other, one end of the outer side of the stainless steel ball (5) is exposed in the inner side of the first jack (6), the first jack (6), the second jack (9) and the through groove (10) are communicated with each other.

5. The multi-batch head universal three-bead self-locking quick disconnect linkage of claim 4, wherein: The other end of the second spring (12) extends to the inner side of the first jack (6) through the second jack (9) and the through groove (10), the second jack (9) and the hexagonal connecting rod (11) are matched with each other, one end of the first spring (3) and one side of the outer side of the limiting ring (82) are in contact with each other, the other side of the outer side of the limiting ring (82) and one side of the outer side of the check ring (7) are in contact with each other, the slope surface (84) adopts an inclined structure, the first jack (6) and the second jack (9) are both internal hexagonal holes, the first jack (6) and the second jack (9) are the same in size and consistent in specification, and the hexagonal connecting rod (11) and the second jack (9) are connected in interference fit.

Images