a socket wrench
A socket wrench and socket technology, which is applied in the field of socket wrench and headless screw, can solve the problems of time-consuming and laborious, unfavorable maintenance efficiency, inconvenient maintenance, etc., and achieve the effect of providing precision, flexible rotation, and improving work efficiency
Active Publication Date: 2018-03-02
STATE GRID CORP OF CHINA +2
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Problems solved by technology
[0003] The traction machine used in the mechanical warehouse of the power transmission and transformation company needs to adjust the pressure of the operating handle to the specified pressure during maintenance. The headless screw and lock nut used to adjust the pressure are all set in the groove. , when adjusting the pressure of the operating handle, first loosen the lock nut of the headless screw with a sleeve tool, then adjust the pressure with the hexagonal tool to adjust the headless screw, and adjust the pressure of the operating handle to the specified pressure before Tighten the lock nut with a socket tool to lock the headless screw; but in the actual adjustment, due to the stress on the headless screw when the lock nut is tightened with a socket tool, the headless screw is easy to follow the rotation of the lock nut and make the headless screw The adjusted pressure changes, which is very inconvenient during maintenance, time-consuming and labor-intensive, and not conducive to improving maintenance efficiency
Method used
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Embodiment Construction
[0020] Below in conjunction with embodiment the present invention is described in further detail:
[0021] Such as figure 1 , figure 2 As shown, a socket wrench of the present invention includes a socket head 1 and a socket rod 2, and a first central hole 1-1 is arranged on the upper end surface of the socket head 1, and the first central hole 1-1 is used for The upper end of the barrel head 1 passes through the hexagonal wrench to adjust the headless screw 4, and the inner cavity of the first central hole 1-1 cooperates with the inner hexagonal wrench for adjusting the headless screw 4, and the inner cavity of the first central hole 1-1 can be set as It is circular, and its aperture is larger than the diameter of the circumscribed circle of the hexagonal wrench, so that the hexagonal wrench can rotate freely in the center hole; on the other hand, in order to prevent the hexagonal wrench from producing too much deviation in the first center hole 1-1 If the position cannot b...
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The invention discloses a sleeve wrench and belongs to the field of hardware tools. The sleeve wrench comprises a sleeve head and a sleeve rod. The sleeve wrench is characterized in that a first central hole and a second central hole are formed in the upper end face and the lower end face of the sleeve head in a concentric mode respectively; the first central hole and the second central hole are communicated to form a through hole structure; an inner cavity of the second central hole is matched with a lock nut; an inner cavity of the first central hole is matched with an internal hexagon wrench used for adjusting a grub screw. According to the sleeve wrench, when the lock nut is clamped and sleeved with the sleeve head to be unscrewed or screwed, the grub screw locked by the lock nut can be adjusted at the same time, the sleeve head does not need to be taken down firstly, and thus the operation process is simplified; when the lock nut is screwed, the adjusted grub screw can be fixed, and the situation that the grub screw rotates along with the lock nut, and accordingly the adjusted accuracy of the grub screw is affected will not occur; in this way, the grub screw can be adjusted at a time, and the working efficiency is improved.
Description
technical field [0001] The invention relates to the field of hardware tools, in particular to a socket wrench used for adjusting headless screws with locking nuts. Background technique [0002] A headless screw is a screw that can be buried in the object to be screwed without expanding the protruding head. In order to facilitate the screwing of the headless screw on the object to be screwed, an inner hexagonal concave is usually provided at the center of one end surface. At the same time, for the convenience of locking the headless screw on the screwed object, a lock nut is screwed outside the headless screw, and then the headless screw is locked by the tension between the lock nut and the screwed object. [0003] The traction machine used in the mechanical warehouse of the power transmission and transformation company needs to adjust the pressure of the operating handle to the specified pressure during maintenance. The headless screw and lock nut used to adjust the pressure...
Claims
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IPC IPC(8): B25B13/06B25B23/00
CPCB25B13/06B25B23/0035
Inventor 刘沛俭方元坤高立鹏周雪涛
Owner STATE GRID CORP OF CHINA