CN2116560U - Socket wrench that can turn the nut on the long screw rod - Google Patents

Abstract

The utility model relates to a can turn socket spanner of nut on long screw rod soon, mainly be with the long platelike socket spanner body, on the outer anchor ring of the sleeve parent that has hexagon socket head cap design in one end, predetermine a notch ring, supply the spring that two rings of suit wound, and a steel ball of suit in the middle of two adjacent springs, cooperate and predetermine a perforation on one of them side of hexagon hole, the steel ball that makes the equipment is worn out, each flank of hexagonal column cap for the complex sleeve then is equipped with a concave arc groove in addition, can block the location when supplying the suit to make up, consequently can improve the inconvenient shortcoming of location in using effectively.

Description

The utility model relates to a socket wrench capable of rotating and pulling a nut on a long screw rod. The wrench is a safety socket wrench which can prevent falling out when being fitted and is convenient for operation and use at different positions.

According to the production and design of common socket wrenches, roughly as shown in Figure 3, a steering device 31 is provided at one end of the wrench body 3 for selection of lock and release operations in different directions, and an inner hexagonal hole 33 is provided at the other end. The sleeve body 32 mainly provides a sleeve 4 with a symmetrical hexagonal 41 design for mutual insertion and mating, and the sleeve 4 is provided with a square hole 42 inside the hexagonal 41 end, and the other end is set as a polygonal hole. 43. The two holes are designed to penetrate each other, so as to provide different threading locks for use; however, although the above-mentioned overall design has the purpose of changing the assembly and use of the sleeve 4, it is often used due to the six holes of the sleeve mother body 32. The angular hole 33 and the hexagonal column head 41 of the sleeve 4 are positioned only by the mutual fit and friction of the sides. When in use, the fit often loosens and falls off, which is inconvenient for the locking operation, so someone improved it. As the product shown in Figure 4, the same concave arc groove 34 is provided on each side surface of the hexagonal hole 33, and a slotted hole 44 is provided on one side surface of the hexagonal column head 41 of the sleeve 4 , a spring 45 and a steel ball 46 are set in the hole, so that the steel ball 46 is pushed out by the spring 45, and when used in combination, it can protrude and engage with the concave arc groove 34 on each side surface, effectively preventing the combination from loosening and falling Although this structural improvement has the disadvantage of preventing loosening and falling off, its overall cost is relatively high, and it also requires more man-hours and skills in assembly and manufacturing. From an economic point of view, there is indeed a further improvement. necessary.

In view of the shortcomings of the common socket wrench structure, after careful research and improvement, the socket wrench of the utility model that can rotate the nut on the long screw rod is finally developed, which only needs to be inserted into the hexagonal hole of the socket body A steel ball positioned by a spring is installed on one of the side surfaces of the sleeve, and a corresponding concave arc groove is provided on the side surface of the hexagonal column head of the sleeve used for fitting, so as to achieve the same engagement purpose.

The main purpose of this utility model is to provide a single steel ball and the corresponding concave arc groove on each side surface of the hexagonal column head to engage with each other, so that the entire manufacturing cost is greatly reduced, and the entire manufacturing process is accelerated, so as to achieve the purpose of economy and practicality .

The main structural design of the utility model includes a wrench body, and the two ends of the wrench are respectively equipped with components such as a steering device and a sleeve body used for the sleeve set; it is characterized in that: the outer ring surface of the lower half of the sleeve body There is a recessed concave ring groove, and a tapered hole is provided at the bottom of the groove to penetrate one side of the hexagonal hole, and a steel ball is set on the tapered hole, and a ring-shaped hole is set in the concave ring groove outside the steel ball. The spring makes the steel ball protrude toward the inner edge of the hexagonal hole; the opposite position of each side surface of the hexagonal column head of the other sleeve is provided with a concave arc groove surrounding the side surface, which is used for engaging with the steel ball when being set.

For further illustrating structure of the present utility model, feature and practical purpose thereof, be described in detail as follows with the help of accompanying drawing:

Fig. 1 is the perspective exploded schematic view of the utility model;

Fig. 2 is the combined sectional schematic diagram of the utility model;

Figure 3 is a schematic diagram of the appearance of a common socket wrench;

Figure 4 is a reference diagram of the improved second generation of a common socket wrench.

The socket wrench of the utility model that can rotate the nut on the long screw rod, please refer to Figs. The improved design of the sleeve body 11 designed with the angular hole 12 places the middle-shaped sleeve body 11 on the outer ring surface below the middle steering gear ring 13, which is roughly the lower half of the inner hexagonal hole 12. There is a recessed concave ring groove 14, and a tapered mouth-shaped perforation 15 is left on one side of the concave ring groove 14 facing the hexagonal hole 12, and a steel ball 16 is installed in the tapered perforation 15. And perforation 15 aperture is slightly smaller than the diameter of the steel ball 16 of suit, makes steel ball 16 can not fall out from the hole, and in addition inside the outer concave ring groove 14 of steel ball 16, then be matched with the ring-shaped spring 17 frame steel ball 16, usually The steel ball 16 is protruded from the outer side of the through hole 15 by the spring 17 , that is, the inner edge of the hexagonal hole 12 of the sleeve body 11 .

In addition, with respect to the sleeve body 2 used for fitting and assembling, in addition to the hexagonal stigma 21 that is inserted through each other, a square hole 22 is provided in the center of the hexagonal stigma 21, which communicates with the polygonal hole 23 at the other end, and the hexagonal stigma 21 Each side surface of the sleeve body 11 with respect to the protruding steel ball 16 on the side surface of the inner hexagonal hole 12 is provided with a concave arc groove 24 recessed around the hexagonal stigma 21 for one end of the hexagonal stigma 21 of the sleeve 2. When threaded into the hexagonal hole 12 of the sleeve body 11, the protruding steel ball 16 can be locked and positioned to prevent accidental drop after assembly; At this time, the protruding steel ball 16 will form an inward pushing effect, and the steel ball 16 will transmit the thrust to the coiled spring 17 framed inside, and push the whole ring of the spring 17 to one side. When inserted into the position relative to the concave arc groove 24, the spring 17 is pushed to form a reaction force and will bounce back quickly, thus achieving the assembly purpose of engaging and positioning.

According to the improved design of the utility model, due to the reduction of the number of steel balls 16, the assembly design of the spring 17 is only a two-ring design, the entire assembly is relatively simplified, making the entire assembly more solid and practical, and due to the reduction of components, it is relatively easy to use. The cost of the whole production is reduced, and when used together, since there is only one steel ball 16 protruding, the required thrust is relatively small, so that the operation force can be lighter, and it is directly on the sleeve body 2 It is quite easy to make the concave arc groove 24 on the side surface of the hexagonal column head 21, so that the production of the whole wrench is easier, the production cost is greatly reduced, and the practical purpose of economy and benefits is achieved, and the practical effect of the socket wrench can be improved. There is further play.

Claims (1)

1. A socket wrench that can rotate the nut on the long screw rod, including a wrench body, and the two ends of the wrench are respectively equipped with components such as a steering device and a socket body used for the socket set; it is characterized in that: the socket body A concave ring groove is left on the outer ring surface of the lower half of the bottom half of the groove, and a tapered hole is provided at the bottom of the groove to penetrate one side of the hexagonal hole, and a steel ball is sleeved on the tapered hole, and the steel ball outside A coiled spring is set in the concave ring groove to make the steel ball protrude toward the inner edge of the hexagonal hole; the opposite position of each side surface of the hexagonal column head of the other sleeve is provided with a concave arc groove surrounding the side surface for mutual contact with the steel ball during assembly. Snap.

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