阅读说明：本技术 一种搅拌杆快装连接头及其装配方法 (Fast-assembly connector for stirring rod and assembly method thereof ) 是由 李挺进 陈敏 汤群飞 徐宛柘 于 2019-10-15 设计创作，主要内容包括：本发明涉及一种搅拌杆快装连接头及其与搅拌杆的装配方法,该连接头包括快夹搅拌杆(1),六角夹头(2),快夹套(3),夹头套(4),钢球(5),外弹簧(6),塔形弹簧(7)和转接头(8)。本发明的快装连接头,通过塔形弹簧与钢球的配合,能实现钢球的位置改变,实现搅拌杆卡紧或松开,其通过设计各部件的结构和配合关系,能巧妙地利用塔形弹簧和外弹簧的双弹簧配合,实现连接头与搅拌杆快装；六角夹头前端六角槽孔设有M14螺纹,即可连接快夹搅拌杆,又可连接M14螺纹搅拌杆；转接头设置M14内螺纹或M14外螺纹,快装连接头组件可根据需要选用转接头直接连接在搅拌器的输出端,增强了适配性,实现了电动手持工具的通用性、扩展性和便利性。(The invention relates to a quick-assembly connector of a stirring rod and an assembly method of the quick-assembly connector and the stirring rod, wherein the quick-assembly connector comprises a quick-clamping stirring rod (1), a hexagonal chuck (2), a quick clamping sleeve (3), a chuck sleeve (4), a steel ball (5), an outer spring (6), a tower-shaped spring (7) and an adapter (8). According to the fast-assembly connector, the position of the steel ball can be changed through the matching of the tower-shaped spring and the steel ball, the clamping or the loosening of the stirring rod is realized, and the fast assembly of the connector and the stirring rod is realized through the skillful matching of double springs of the tower-shaped spring and the outer spring by designing the structures and the matching relation of all parts; m14 threads are arranged in the hexagonal groove hole at the front end of the hexagonal chuck, so that the quick-clamping stirring rod can be connected, and the M14 threaded stirring rod can be connected; the adapter is provided with an M14 internal thread or an M14 external thread, and the quick-assembly connecting head assembly can be directly connected to the output end of the stirrer by the adapter as required, so that the adaptability is enhanced, and the universality, the expansibility and the convenience of the electric hand tool are realized.)

1. The utility model provides a puddler fast-assembling connector which characterized in that includes following several parts: the quick-clamping stirring rod comprises a quick-clamping stirring rod (1), a hexagonal chuck (2), a quick-clamping sleeve (3), a chuck sleeve (4), a steel ball (5), an outer spring (6), a tower-shaped spring (7) and an adapter (8); the side wall of the middle part of the hexagonal chuck (2) is provided with 3 steel ball holes with limiting positions, 3 steel balls (5) are respectively arranged in the three steel ball holes of the hexagonal chuck (2), the hexagonal chuck (2) and the adapter (8) are provided with thread structures, and the stirring rod is installed through the coordination and the matching of the tower-shaped spring (7), the outer spring (6) and each part.

2. The fast-assembling connector of puddler according to claim 1, characterized in that the cover is equipped with clamp sleeve (4) in the corresponding position in the outside of steel ball (5), be provided with the recess in the clamp sleeve (4) and cooperate with steel ball (5), the steel ball hole is preceding to be provided with first step and cooperate with the fast clamp cover (3) and lean on hexagonal clamp (2), the rear end of hexagonal clamp (2) is provided with the second step and is connected with the cooperation of adapter step, adapter (8) includes adapter step and the extension that is located the anterior of adapter step, the adapter extension diameter of the anterior of adapter step is less than the adapter step, and be provided with the accommodation hole in the adapter extension, the accommodation hole is used for settling the small diameter end of turriform spring (7), the big diameter end of turriform spring contacts with the bottom of puddler (1) when puddler (1) packs into the hole of hexagonal, the outer end at hexagonal chuck (2) is established to quick clamp cover (3), and the first step that the front end supported by the hexagonal chuck is established in the rear end cover, and the outside at adapter (8) is established to quick clamp cover (3) can rely on the flexible reciprocating motion of outer spring (6) on adapter (8) and hexagonal chuck (2), and outer spring (6) cover is established on hexagonal chuck (2), and the front end supports by on clamp cover (4), and the rear end supports by on the adapter step.

3. The quick connector of the stirring rod as claimed in claim 2, wherein the collet sleeve (4), the quick clamping sleeve (3) and the steel ball (5) are installed in a matching manner, and the inside of the large diameter end of the quick clamping sleeve (3) is matched with the second step of the hexagonal collet and can slide inside the second step of the hexagonal collet; the quick clamping sleeve (3) comprises a large-diameter end close to the adapter and a small-diameter end matched with the first step of the hexagonal chuck, the diameter of the large-diameter end of the quick clamping sleeve is larger than that of the step of the adapter, a second step of the quick clamping sleeve is arranged inside the large-diameter end of the quick clamping sleeve, the second step is far away from the large-diameter end of the quick clamping sleeve for a certain distance, and the final limiting effect when the quick clamping sleeve (3) moves to the adapter (8) side can be achieved; the hexagonal groove of the hexagonal chuck (2) is provided with a thread structure, and a guide step is added, so that a threaded stirring rod can be installed or inserted into the hexagonal stirring rod.

4. The quick coupler as claimed in claim 3, wherein the hexagonal groove is threaded M14.

5. The fast-assembling connector of puddler according to claim 3, characterized in that said steel ball hole can be 1, 2, 3, 4, 5 or 6, and said steel ball (5) can be set to 1, 2, 3, 4, 5 or 6.

6. The fast-assembling connector of puddler as defined in claim 3 characterized in that tower spring (7) can be one of an equal helix angle tower spring, an equal pitch tower spring or an equal stress tower spring.

7. The quick coupler of claim 3, wherein the hexagonal groove of the hexagonal collet (2) is also configured as M16 thread structure as required.

8. Fast-assembling connector of puddler as defined in claim 3, characterized in that puddler (1) is the food processing puddler.

9. The fast-assembling connector of puddler as defined in claim 3 wherein said adapter is provided with either an M14 internal thread or an M14 external thread.

10. A method of assembling a fast-assembling joint of a mixing rod as defined in any one of claims 1-9 with a mixing rod, comprising the steps of: the extension accommodation hole of adapter (8) is installed to the minor diameter end of turriform spring (7) at first, establish outer spring (6) cover on hexagonal chuck (2), then put into three steel ball hole respectively with three steel ball (5), pack into fast clamp cover (3) with clamp headgear (4) and lean on and press from both sides the cover second step soon, then assemble hexagonal chuck (2) together with clamp headgear (3) with fast clamp cover (4), assemble the extension of adapter with hexagonal chuck (2) again, turriform spring (7) stretch into inside hexagonal chuck (2). At the moment, 3 steel balls (5) are extruded by the inner wall of the quick clamping sleeve (4) and are positioned at the bottom end of the steel ball groove, and the tower-shaped spring (7) is compressed;

when the quick-clamping stirring rod (1) is installed, firstly, the quick-clamping sleeve (3) is pressed downwards to the side of the adapter (8), the quick-clamping sleeve (3) moves to the side of the adapter (8), the clamping head sleeve (4) abutted against the quick-clamping sleeve (3) is pushed, the quick-clamping sleeve slides along the hexagonal clamping head (2), the outer spring (6) abutted against the clamping head sleeve (4) is compressed, meanwhile, the tower-shaped spring (7) extrudes the steel ball (5) to the outer side, the outer spring (6) pushes the quick-clamping sleeve (3) to the other side, but because the steel ball (5) is extruded by the tower-shaped spring, the quick-clamping sleeve (3) can not return to the original position, at the moment, the quick-clamping stirring rod (1) is arranged in an inner hole of the hexagonal clamping head (2), the tower-shaped spring is extruded at the bottom end of the stirring rod (1), the steel ball loses the inner radial force, the outer quick-clamping sleeve (4) and the outer spring (6, the steel ball is reset, and the quick-clamping stirring rod (1) is clamped, so that quick assembly is completed; the hexagonal groove through hexagonal chuck (2) sets up the helicitic texture to add the direction step, can realize installing the screw puddler or insert the hexagonal puddler with one hand.

11. The method for assembling a quick connector and a stirring rod as claimed in claim 10, characterized in that the tower-shaped spring (7) is an equi-helix angle tower-shaped spring.

12. Method for assembling a quick-assembling joint and a mixing rod for mixing rods according to claim 11, characterized in that said mixing rod (1) is a M14 screw mixing rod.

13. Method for assembling a quick-assembling joint and a mixing rod for mixing rods according to claim 12, characterized in that the hexagonal collet (2) is provided with a guiding step for the positioning of the mixing rod.

14. The method of assembling a fast-assembling connector for mixer bars as claimed in claim 13, wherein said adapter is provided with M14 internal threads or M14 external threads, and the fast-assembling connector assembly is directly connected to the output end of the mixer by using the adapter according to the installation requirement.

15. The method as claimed in claim 14, wherein when the output end of the agitator is internally threaded, the externally threaded adapter assembly is adapted to be directly connected to the output end of the agitator.

Technical Field

The invention relates to the technical field of connectors, in particular to a quick-mounting connector for a stirring rod and an installation method of the quick-mounting connector for the stirring rod.

Background

The hand-held mixer is the instrument that often uses when material dispersion, mixture, and the hand-held mixer of traditional field is provided with stirring blade including the host computer and puddler, the agitator head that the puddler is connected of components of a whole that can function independently connection on the agitator head, and the motor shaft of puddler and agitator passes through the thread head and links to each other. Due to the threaded connection, interference during rotation may occur and assembly may not be possible.

For this purpose, there is an improvement to this, namely, the stirring rod is clamped by axial insertion. The stirring rod is inserted into the cylindrical hole of the clamp and then positioned by the bolt, the method enables the stirring rod to be clamped at a low speed, the stirring rod is easy to shake to cause potential safety hazards, and the damping effect is poor. According to the technical scheme, the front end of an output shaft of the stirrer is inserted into the wrench knob and the shaft sleeve, a through hole matched with the steel ball is formed in the side wall of the output shaft, a spring is arranged on the periphery of the part, inserted into the wrench knob, of the output shaft, one end of the spring is abutted to the front end of the wrench knob, the other end of the spring is fixed to the output shaft, and an annular groove capable of containing the steel ball between the stirring rod and the inner side wall of the shaft sleeve and clamping the stirring rod and the output shaft is formed in the rear end of a stirring rod of the stirrer. The front end of annular groove is provided with the pin on the puddler, the rear end of annular groove on the output shaft seted up with pin complex breach to when the steel ball crowded ring channel, the pin can insert in the breach to prevent output shaft and puddler relative rotation, in order to ensure normal use. However, in the above solutions, in order to stabilize the connection, a pin needs to be provided for positioning connection, so that the alignment is inconvenient, and meanwhile, the pin cannot be replaced due to abrasion, so that the positioning effect is weakened and the pin needs to be replaced frequently; meanwhile, the mode is inconvenient to clamp, so that the clamping speed of the stirring rod is low. When installing the tool attachment, both hands are often required to operate the chuck mechanism and the tool attachment simultaneously, which is very inconvenient in practical use because an operator often only can hold the electric hand tool with one hand, and a chuck mechanism capable of automatically replacing the tool attachment through one-hand operation of the user is required.

Disclosure of Invention

In order to solve the defects of the prior art, the invention aims to solve at least one of the technical problems in the prior art to a certain extent, and provides a chuck mechanism which can be operated by one hand of a user to realize automatic tool accessory replacement, and can be provided with a threaded stirring rod or a hexagonal stirring rod; the tool accessory can be replaced more quickly, the action of replacing the tool accessory by a user is simplified, the working efficiency is guaranteed while the labor intensity is reduced, and the damping performance is improved, so that the functional universality, the expansibility and the convenience of the electric handheld tool are realized.

The invention provides a fast-assembling connector, which comprises the following parts: the quick-clamping stirring rod comprises a quick-clamping stirring rod (1), a hexagonal chuck (2), a quick-clamping sleeve (3), a chuck sleeve (4), a steel ball (5), an outer spring (6), a tower-shaped spring (7) and an adapter (8); the side wall of the middle part of the hexagonal chuck (2) is provided with 3 steel ball holes with limiting positions, 3 steel balls (5) are respectively arranged in the three steel ball holes of the hexagonal chuck (2), the hexagonal chuck (2) and the adapter (8) are provided with thread structures, and the stirring rod is installed through the coordination and the matching of the tower-shaped spring (7), the outer spring (6) and each part. The outer side of the steel ball is sleeved with a chuck sleeve, a groove matched with the steel ball is arranged in the chuck sleeve, a first step matched with a quick-clamping sleeve is arranged on the hexagonal chuck in front of the steel ball hole and abutted against the quick-clamping sleeve, a second step matched with the adapter step is arranged at the rear end of the hexagonal chuck, the adapter comprises the adapter step and an extension part positioned in front of the adapter step, the diameter of the extension part of the adapter at the front part of the adapter step is smaller than that of the adapter step, a containing hole is arranged in the extension part of the adapter and used for placing a small-diameter end of a tower-shaped spring, a large head of the tower-shaped spring is contacted with the bottom end of a stirring rod when the stirring rod is arranged in an inner hole of the hexagonal chuck, the quick-clamping sleeve is sleeved at the outer end of the hexagonal chuck, the front end of the quick-clamping sleeve, the outer spring is sleeved on the hexagonal chuck, the front end of the outer spring is abutted against the chuck sleeve, and the rear end of the outer spring is abutted against the step of the adapter. The clamp sleeve, the quick clamping sleeve and the steel ball are installed in a matched mode, the inner portion of the large-diameter end of the quick clamping sleeve is matched with the second step portion of the hexagonal clamp, and the quick clamping sleeve can slide in the second step portion of the hexagonal clamp. The quick-clamping sleeve comprises a large-diameter end close to the adapter and a small-diameter end matched with the first step of the hexagonal chuck, the diameter of the large-diameter end of the quick-clamping sleeve is larger than that of the step of the adapter, a second step of the quick-clamping sleeve is arranged inside the large-diameter end of the quick-clamping sleeve, the second step is far away from the large-diameter end of the quick-clamping sleeve for a certain distance, and the final limiting function of the quick-clamping sleeve when moving to the side of the adapter can be achieved. The hexagonal groove position of hexagonal chuck sets up M14 helicitic texture to add the direction step, can install and take M14 screw thread puddler, also can install hexagon puddler by the one hand.

3 steel balls receive the extrusion of quick-witted jacket inner wall during free state, be in the bottom in steel ball groove, the turriform spring is compressed, press down quick-witted jacket to the adapter side with pressing fast during the use, quick-witted jacket removes to the adapter side, the chuck cover that supports with pressing fast the cover and support is promoted, slide along the hexagonal chuck, outer spring that supports and support on the chuck cover is compressed, turriform spring extrusion steel ball simultaneously, make the steel ball extrude to the outside, outer spring pushes up quick-witted jacket to the opposite side, but because the steel ball is extruded by the turriform spring, quick-witted jacket can not get back to the normal position, at this moment will press from both sides the puddler and pack into the hexagonal chuck hole, puddler bottom extrusion turriform spring, the steel ball loses inboard radial force, receive the extrusion of outside quick-machine jacket and outer spring, the steel ball is inwards extruded, when the arc wall alignment steel ball position of.

The invention also provides a quick-assembly connector of the stirring rod and an assembly method of the quick-assembly connector and the stirring rod.

The small-diameter end of a tower-shaped spring is installed in a containing hole of an extending part of an adapter, an outer spring sleeve is arranged on a hexagonal chuck, then three steel balls are respectively placed in three steel ball holes, a chuck sleeve is arranged in a quick chuck and abuts against a second step of the quick chuck, then the quick chuck and the chuck sleeve are assembled on the hexagonal chuck together, the hexagonal chuck is assembled on the extending part of the adapter, and the tower-shaped spring extends into the hexagonal chuck. At the moment, 3 steel balls are extruded by the inner wall of the quick clamping sleeve and are positioned at the bottom end of the steel ball groove, and the tower-shaped spring is compressed.

When the quick-clamping stirring rod is installed, the quick-clamping sleeve is pressed downwards to the adapter side, the quick-clamping sleeve moves to the adapter side, the chuck sleeve abutted against the quick-clamping sleeve is pushed to slide along the hexagonal chuck, the outer spring abutted against the chuck sleeve is compressed, the tower-shaped spring extrudes the steel ball at the same time, the steel ball is extruded outwards, the outer spring pushes the quick-clamping sleeve to the other side, but the quick-clamping sleeve cannot return to the original position because the steel ball is extruded by the tower-shaped spring, the quick-clamping stirring rod is installed in the inner hole of the hexagonal chuck at the moment, the tower-shaped spring is extruded at the bottom end of the stirring rod, the steel ball loses the inner radial force and is extruded by the outer quick-clamping sleeve and the outer spring, the steel ball is extruded inwards, and when the arc-shaped groove of; the stirring rod with M14 screw can be installed, and the hexagonal stirring rod can also be installed by one hand.

According to the invention, the steel ball which can move up and down in the through hole of the output shaft is arranged, when the stirring rod is installed in place, the steel ball is extruded into the annular groove of the stirring rod, so that the steel ball is clamped between the stirring rod and the shaft sleeve to fix the stirring rod and the output shaft, the installation is convenient and rapid, the connection between the stirring rod and the output shaft is stable, and the use is safer.

The number of the steel ball holes is 3, the three steel balls can clamp and fix the connecting rod reliably, and the assembly is very convenient. In addition, the steel balls are low in cost and convenient to install, other steel balls can be used in actual products, and the number of the steel balls is not limited, such as 1, 2, 3, 4, 5 or 6; the steel ball can be directly replaced after being worn, other parts do not need to be replaced, and the production cost can be effectively saved.

According to the quick-fit connection joint of the present invention, the tower spring may be one of an equal helix angle tower spring, an equal pitch tower spring or an equal stress tower spring.

According to the quick-assembly connecting joint, the M14 thread structure is arranged at the hexagonal groove position of the hexagonal chuck, the guide step is added, and the stirring rod with the M14 thread can be installed, so that the universality is improved; other types of thread structures can be arranged at the hexagonal groove position of the hexagonal chuck according to installation requirements, for example, the M16 thread structure can be arranged at the hexagonal groove position. According to the specific structure of the invention, the stirring rod with screw threads can be installed, and the hexagonal stirring rod can also be installed by one hand.

According to the quick-assembly connecting joint, the stirring rod is a food processing stirring rod, and other types of stirring rods can also be used.

According to the quick-assembly connecting joint, the structure and the matching relation of all parts are designed, the double-spring matching of the tower-shaped spring and the outer spring can be skillfully utilized, the quick assembly of the connecting joint and the stirring rod is realized, and the technical problem which needs to be solved urgently in the field is solved.

According to the quick-assembly connecting joint, the position of the steel ball can be changed and the stirring rod can be clamped or loosened through the matching of the tower-shaped spring and the steel ball, the structure is simple, and the parts are replaced when worn, so that the production cost is reduced and the working efficiency is improved.

According to the fast-assembly connecting joint, the adapter is provided with M14 internal threads or M14 external threads, and the fast-assembly connecting head assembly can be directly connected to the output end of the stirrer by the adapter according to installation requirements.

According to the quick-mounting connector for the stirring rod and the assembling method of the quick-mounting connector for the stirring rod and the stirring rod, a chuck mechanism for operating tool accessories can be realized by one hand of a user, a stirring rod with threads can be installed, and a hexagonal stirring rod can also be installed by one hand; the tool accessory can be replaced more quickly, the action of a user for replacing the tool accessory is simplified, the replacement of a wear part is easy to realize, the labor intensity is reduced, and meanwhile, the working efficiency is guaranteed, so that the functional universality, expansibility and convenience of the electric hand tool are realized.

Drawings

FIG. 1 is a cross-sectional view of a puddler quick-connect head according to the present invention;

FIG. 2 is an exploded view of the fast-assembling connector of the stirring rod according to the present invention;

FIG. 3 is a schematic illustration of the assembly of the fast coupler to the pin according to the present invention;

FIG. 4 is a schematic view of a hexagonal collet for a quick connector of a stirring rod according to the present invention;

FIG. 5 is a schematic structural view of an adapter of the quick connector for the stirring rod according to the invention;

fig. 6 is a specific connection schematic diagram of the adapter of the quick connector for the stirring rod, which is provided with M14 internal threads or M14 external threads.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTSReferring to FIGS. 1-4, a whip stock quick connect head in accordance with an embodiment of the invention is described in detail as being suitable for use with various types of whip stocks, such as food blending.

As shown in fig. 1 and 2, the fast-assembly connector for a stirring rod according to the embodiment of the present invention mainly includes a fast-clamping stirring rod 1, a hexagonal chuck 2, a fast-clamping sleeve 3, a chuck sleeve 4, a steel ball 5, an external spring 6, a tower-shaped spring 7, and an adapter 8.

The side wall of the middle part of the hexagonal chuck 2 is provided with 3 steel ball holes with limits, 3 steel balls are respectively arranged in three steel ball holes of the hexagonal chuck 2, the corresponding positions of the outer sides of the steel balls are sleeved with a chuck sleeve 4, a groove is arranged in the chuck sleeve 4 to be matched with the steel balls 5, a first step is arranged on the hexagonal chuck 2 in front of the steel ball holes to be matched and abutted against the quick-clamping sleeve 3, a second step is arranged at the rear end of the hexagonal chuck 2 to be matched and connected with the step of the adapter, the adapter 8 comprises an adapter step and an extension part positioned in the front of the adapter step, the diameter of the extension part of the adapter at the front of the adapter step is smaller than that of the adapter step, a containing hole is arranged in the extension part of the adapter, the containing hole is used for placing a small-diameter end of a tower-shaped spring 7, the big head of the tower-, the front end supports and leans on the first step of hexagonal chuck, and the outside at adapter 8 is established to the rear end cover to press from both sides cover 3 soon and can rely on the flexible reciprocating motion of outer spring 6 on adapter 8 and hexagonal chuck 2, and outer spring 6 cover is established on hexagonal chuck 2, and the front end supports and leans on chuck cover 4, and the rear end supports and leans on the adapter step. The clamp sleeve 4, the quick clamping sleeve 3 and the steel ball 5 are installed in a matched mode, the inner portion of the large-diameter end of the quick clamping sleeve 3 is matched with the second step portion of the hexagonal clamp 2, and the quick clamping sleeve can slide inside the second step portion of the hexagonal clamp 2. The quick-clamping sleeve 3 comprises a large-diameter end close to the adapter and a small-diameter end matched with a first hexagonal chuck step, the diameter of the large-diameter end of the quick-clamping sleeve is larger than that of the adapter step, a second quick-clamping sleeve step is arranged inside the large-diameter end of the quick-clamping sleeve, a certain distance is reserved between the large-diameter end of the quick-clamping sleeve and the second step, and the final limiting function of the quick-clamping sleeve 3 during moving to the adapter 8 side can be achieved. The hexagonal groove position of hexagonal chuck 2 sets up M14 helicitic texture to add the direction step, can install the M14 screw thread puddler.

The number of the steel ball holes is 3, the three steel balls 5 can reliably clamp and fix the stirring rod, and the assembly is very convenient. In addition, the number of the steel balls is not limited, for example, 1, 2, 3, 4, 5 or 6; the steel ball can be directly replaced after being worn, other parts do not need to be replaced, and the production cost can be effectively saved.

According to the quick-assembly connecting joint, the hexagonal groove of the hexagonal chuck 2 is provided with an M14 thread structure, and a guide step is added to install a stirring rod with M14 threads; according to the installation requirement, other types of thread structures, such as M16 thread structures, can be arranged at the hexagonal groove position of the hexagonal chuck; the M14 threaded stirring rod can be installed through a threaded structure or a guide step, and the hexagonal stirring rod can also be installed by a single hand.

The hexagonal collet configuration of the quick coupler according to the present invention is shown in FIG. 4, which illustrates the hexagonal collet having internal threads M14.

Fig. 5 is a schematic structural view of an adapter of the quick connector of the stirring rod according to the invention; the adapter according to the invention can be provided with M14 internal threads or M14 external threads, and the fast-assembly connecting head assembly can be directly connected to the output end of the stirrer by the adapter according to installation requirements.

A specific assembly of the adapter with an M14 internal thread or an M14 external thread is shown in fig. 6, which may be specifically selected depending on the thread arrangement of the output end of the mixer; fig. 6 also shows a schematic diagram of the adapter after being transferred.

The invention also designs an assembling method of the quick-mounting connector and the stirring rod. FIG. 3, which shows the quick connector for a mixing arm and the assembly thereof with a mixing arm according to the invention, is shown in FIG. 3, fig. 1 in which the mixing arm is shown before it is installed; FIG. 2 shows a first procedure for installing the mixing rod, in which the binding clip 3 is first pressed down and then the mixing rod 1 is loaded; FIG. 3 illustrates the collet sleeve automatically resetting after installation; figure 4 shows the disassembly process, with the collet sleeve first depressed and the tower spring ejecting the stir bar.

A small-diameter end of a tower-shaped spring 7 is installed in a containing hole of an extending part of an adapter 8, an outer spring 6 is sleeved on a hexagonal chuck 2, then three steel balls 5 are placed in the three steel ball holes respectively, a chuck sleeve 4 is installed in a quick clamping sleeve 3 and abuts against a second step of the quick clamping sleeve, then the quick clamping sleeve 4 and the chuck sleeve 3 are assembled on the hexagonal chuck 2 together, then the hexagonal chuck 2 is assembled on the extending part of the adapter, and the tower-shaped spring 7 extends into the hexagonal chuck 2. At this time, 3 steel balls 5 are pressed by the inner wall of the quick-clamping sleeve 4 and are positioned at the bottom end of the steel ball groove, and the tower-shaped spring 7 is compressed.

When the quick-clamping stirring rod 1 is installed, firstly, a quick-clamping sleeve 3 is pressed downwards to the side of an adapter 8, the quick-clamping sleeve 3 moves to the side of the adapter 8, a chuck sleeve 4 abutted against the quick-clamping sleeve 3 is pushed to slide along a hexagonal chuck 2, an outer spring 6 abutted against the chuck sleeve 4 is compressed, meanwhile, a tower-shaped spring 7 extrudes a steel ball 5 to enable the steel ball 5 to be extruded outwards, the outer spring 6 pushes the quick-clamping sleeve 3 to the other side, but the quick-clamping sleeve 3 cannot return to the original position because the steel ball 5 is extruded by the tower-shaped spring 7, at the moment, the quick-clamping stirring rod 1 is installed in an inner hole of the hexagonal chuck 2, the tower-shaped spring 7 is extruded at the bottom end of the stirring rod 1, the steel ball 5 loses the inner radial force and is extruded by the outer quick-clamping sleeve 4 and the outer spring 6, the steel ball 5 is extruded inwards for quick-assembling; the threaded stirring rod can be installed, and the hexagonal stirring rod can also be installed by a single hand.

According to the quick-assembly connector for the stirring rod and the assembling method of the quick-assembly connector for the stirring rod and the stirring rod, the stirring rod with the M14 thread can be installed through a thread structure or a guide step, and a hexagonal stirring rod can also be installed by one hand.

According to the quick-assembly connector for the stirring rod and the assembling method of the quick-assembly connector for the stirring rod, when the output end of the stirrer is internally threaded, an adapter assembly with external threads is selected and directly connected to the output end of the stirrer.

According to the quick-assembly connector for the stirring rod and the assembling method of the quick-assembly connector for the stirring rod, when the output end of the stirrer is provided with the external thread, the quick-assembly connector is directly connected to the output end of the stirrer by using the adapter assembly with the internal thread.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.