JP3196259U - Nipper locking structure - Google Patents

Abstract

The present invention provides a nipper locking device structure with improved operability. In the nipper locking device structure, a sliding locking member 3 is installed between a pair of nipper handles, and the sliding locking member restricts or opens the opening / closing operation of the pair of nipper handles. To achieve safe protection. The inner surface of the sliding engagement member 3 is hollow and is installed on the fixed base 11, and the sliding engagement member 3 is formed with guide rods installed on the guide rails 12 on both inner side surfaces. The outer peripheral surface of the sliding locking member 3 is a positioning plate 32 that restricts or releases the engaging device 21 after sliding, and the inner surface of the positioning plate 32 is slid to receive the upper end fitting groove 13 or the lower end fitting groove 14. An elastic locking member is formed that is selectively locked to. When the elastic locking member is locked in the upper end fitting groove 13, the positioning plate 32 restricts the engaging device 21, and when the elastic locking member is locked in the lower end fitting groove 14, the positioning plate 32 is engaged. The device 21 is opened. [Selection] Figure 1

Description

  The present invention relates to a nipper mechanism in which a sliding locking member is installed between a pair of nipper handles, and the sliding locking member restricts or opens the opening / closing operation of the pair of nipper handles to achieve safe protection. It relates to a fastener structure.

  A general nipper configuration that shears or pinches an object is configured by pivoting so that a pair of handles that are mainly gripped intersect. The pair of handles form a sandwiching jaw step that is relatively sandwiched between the other ends of the intersecting rolls. A conventional nipper must hold one handle with the thumb of the same hand and the base of the thumb during operation, hold the other handle with the other finger, and clamp and open with the thumb and the other finger. Operate with. However, after the nipper is operated and pinched, the user opens the pair of handles by applying force in the opposite direction to perform the next operation. It is hard to put in and operation becomes inconvenient. A small nipper that operates with a small force is particularly difficult to operate.Therefore, an elastic member is installed between the pair of handles of the current nipper, and the resilience to open outside when the pair of handles is sandwiched. Is generated. There is no need for the user to operate and open a pair of handles, thereby achieving the purpose of improving operability.

  A conventional nipper has a storage member at the rear end of the nipper handle so that its working end is always open and does not damage the user. Store and achieve protective effect.

  However, the conventional nipper storage member is generally designed to be installed at the rear end of the nipper handle, and the user opens and switches the storage member with one hand during operation. It was very inconvenient for workers who were suspended in the work.

  Therefore, the present inventor considers that the above-mentioned drawbacks can be improved, and as a result of extensive investigation and pursuit of solutions to the problems of current nipper storage members, the above-mentioned problems are effectively achieved through rational design. It came to the proposal of this invention to improve steadily. That is, a sliding locking member is installed between the pair of nipper handles, and the sliding locking member restricts or opens the opening / closing operation of the pair of nipper handles to achieve safe protection. The sliding locking member is positioned at the thumb when the operator grips the nipper, and is pulled or pulled at high speed with the thumb to restrict or release the nipper usage state.

  The present invention has been made in view of such conventional problems. In order to solve the above-described problems, the present invention has a main object to provide a nipper locking device structure. In other words, a sliding locking member is installed between the pair of nipper handles, and the sliding locking member restricts or opens the opening / closing operation of the pair of nipper handles to achieve safe protection.

  In order to solve the above-mentioned problems and achieve the object, a nipper locking device structure according to the present invention includes a first arm portion, a second arm portion, and a sliding locking member, The two arm portions are pivoted so as to cross each other, and a gripping end and an operating end are formed, and the first arm portion is formed with a fixing base in the vicinity of the pivoting portion of the inner surface of the gripping end, and both side surfaces of the fixing base Guide rails are formed, and the fixed base is formed with an upper end fitting groove and a lower end fitting groove on the outer peripheral surface, and the second arm portion is formed with an engaging device in the vicinity of the pivotal portion of the inner surface of the grip end. Is done. An inner surface of the sliding engagement member is hollow and installed on a fixed base, and guide rods installed on guide rails are respectively formed on both inner side surfaces of the sliding engagement member. The side surface is a positioning plate that restricts or releases the engaging device after sliding, and the inner surface of the positioning plate is elastically locked to the upper end fitting groove or the lower end fitting groove under sliding. When the member is formed and the elastic locking member is locked in the upper end fitting groove, the positioning plate restricts the engaging device, and when the elastic locking member is locked in the lower end fitting groove, the positioning plate is engaged. The device is opened.

  As a result, the sliding engagement member slides to release or limit the opening and closing of the first arm part and the second arm part by the corresponding installation of the positioning plate and the engaging device, and the operating end is clamped during storage. By presenting the condition, the effect of safe protection is achieved. The sliding locking member is installed near the pivotal position of the handle of the pair of nippers at the gripping end, corresponding to the position of the thumb when a person grasps the nipper, and the user presses the sliding locking member with the thumb. It is possible to comfortably release or limit the nipper usage state.

  Preferably, a guide inclined surface is formed on one surface of the bottom surface of the engaging device, and the one surface of the upper surface of the positioning plate corresponds to the guide inclined surface, and when pushed, the slide locking member is interlocked. An arcuate guide surface is formed that is slid toward.

  Preferably, convex portions are respectively formed on both side surfaces of the above-described sliding locking member.

  As can be seen from the contents of the above-mentioned invention, the “nipper locking device structure” of the present invention has a sliding locking member, and releases or restricts opening and closing of the first arm part and the second arm part by a sliding method and stored. Occasionally the working end is pinched and achieves a safe protective effect. The sliding locking member is installed near the pivotal position of the handle of the pair of nippers at the gripping end, corresponding to the position of the thumb when a person grasps the nipper, and the user presses the sliding locking member with the thumb. It is possible to comfortably cancel or limit the state of use of the nippers. The conventional nipper has an advantage that a more comfortable operation can be performed in the present invention as compared with the case where the storage member is usually installed at the rear end of the handle. Therefore, the present invention can be said to have considerable practicality and innovation, and is worth promoting by the industry and spreading to the public.

It is an expanded view which shows the nipper stopper structure by 1st Embodiment of this invention. It is a cross-sectional schematic diagram which shows a part of slide locking member of this invention. 1 is an external perspective view showing a nipper locking structure according to a first embodiment of the present invention. It is a cross-sectional schematic diagram of the state by which the sliding locking member and engagement apparatus of this invention will be engaged. It is a cross-sectional schematic diagram of the state which the sliding latching member and engagement apparatus of this invention open | release. FIG. 5 is a schematic cross-sectional view in which the sliding locking member is automatically retracted by correspondingly abutting against the guide inclined surface and the arcuate guide surface of the present invention. FIG. 5 is a schematic cross-sectional view in which the sliding locking member is automatically retracted by correspondingly abutting against the guide inclined surface and the arcuate guide surface of the present invention.

  Preferred embodiments of the present invention will be described with reference to the accompanying drawings. The embodiment described below does not limit the contents of the present invention described in the claims of the utility model registration. In addition, all the configurations described below are not necessarily essential requirements of the present invention.

<First Embodiment>
Hereinafter, specific embodiments of the present invention will be described with reference to the accompanying drawings. In the nipper locking device structure of the present invention, a sliding locking member is installed between a pair of nipper handles, and the sliding locking member restricts or opens a pair of nipper handles for opening or closing. Achieve protection. As shown in FIGS. 1 to 7, in order to achieve the object of the above-described device, the “nipper locking device structure” according to the present invention includes a first arm portion 1, a second arm portion 2, and a sliding locking member 3. Is provided.

  In addition, the first arm portion 1 and the second arm portion 2 are pivoted so as to cross each other, and a gripping end 4 and an operating end 5 are formed (the operating end 5 according to the embodiment of the present invention is exemplified by a nipper). However, the first arm portion 1 is formed with a fixing base 11 in the vicinity of the pivotal portion of the inner surface of the gripping end 4, and guide rails 12 are provided on both side surfaces of the fixing base 11. Are formed, and an upper end fitting groove 13 and a lower end fitting groove 14 are formed on the outer peripheral surface of the fixing base 11, and the second arm portion 2 is engaged with an engaging device 21 in the vicinity of the pivotal portion of the inner surface of the gripping end 4. Is formed.

  The inner surface of the sliding engagement member 3 is hollow and installed on the fixed base 11, and the sliding engagement member 3 is formed with guide rods 31 installed on the guide rails 12 on both inner side surfaces. The outer peripheral surface of the sliding engagement member 3 is a positioning plate 32 that restricts or releases the engaging device 21 after sliding, and the inner surface of the positioning plate 32 is slid to receive the upper end fitting groove 13 or the lower end fitting. An elastic locking member 33 that is selectively locked to the groove 14 is formed. When the elastic locking member 33 is locked in the upper end fitting groove 13, the positioning plate 32 restricts the engaging device 21, and when the elastic locking member 33 is locked in the lower end fitting groove 14, the positioning plate 32 is The engagement device 21 is released.

  By doing so, the opening and closing of the first arm portion 1 and the second arm portion 2 is released or restricted by the sliding of the sliding locking member 3 and the corresponding installation of the positioning plate 32 and the engaging device 21, and the operating end 5 when stored. To achieve a safe protective effect. The sliding engagement member 3 is installed near the pivot position of the handle of the pair of nippers on the gripping end 4 and corresponds to the thumb position when a person grasps the nipper, and the user slides the sliding engagement member 3 with the thumb. It is possible to comfortably release or limit the nipper usage state by pressing.

  Further, a guide inclined surface 211 is formed on one side of the bottom surface of the engaging device 21, and the one side of the upper surface of the positioning plate 32 corresponds to the guide inclined surface 321, and when it is pushed, the sliding engagement member 3 is interlocked. An arcuate guide surface 321 is formed that is slid downward. As a result, when the nipper is positioned at a position where the sliding engagement member 3 interferes with the engagement device 21 during the operation (as shown in FIG. 6, that is, the sliding engagement member 3 engages with the engagement device 21. When the nipper is pressed, the guide inclined surface 211 and the arcuate guide surface 321 automatically retract the sliding locking member 3 and interfere with the work of the nipper. (See FIG. 7).

  In addition, convex portions 34 are formed on both side surfaces of the sliding engagement member 3, respectively, and the convex portions 34 are points that are easy to apply a force with a thumb when operated by a user.

  Therefore, as can be understood from the contents of the above-described device, the “nipper locking device structure” according to the present invention has the sliding locking member 3 and releases the opening and closing of the first arm portion 1 and the second arm portion 2 by the sliding method. Alternatively, restriction is performed, and the working end 5 exhibits a clamping state during storage, thereby achieving a safe protective effect. The sliding engagement member 3 is installed near the pivotal position of the handle of the pair of nippers at the gripping end 4 and corresponds to the position of the thumb when a person grasps the nipper. It is possible to comfortably release or limit the nipper use state by pushing 3. Compared with the conventional nipper storage member generally installed at the rear end of the handle, the present invention has the advantage of higher operability.

  As mentioned above, although embodiment of this invention was explained in full detail with reference to drawings, the concrete structure is not restricted to this embodiment, The design change etc. of the range which does not deviate from the summary of this invention are included.

DESCRIPTION OF SYMBOLS 1 1st arm part 11 Fixing base 12 Guide rail 13 Upper end fitting groove 14 Lower end fitting groove 2 Second arm part 21 Engagement device 211 Guide inclined surface 3 Sliding locking member 31 Guide rod 32 Positioning plate 321 Arc-shaped guide surface 33 Elastic engagement Stop member 34 Convex 4 Grasping end 5 Working end

Claims (3)

A nipper locking device structure comprising a first arm portion, a second arm portion, and a sliding locking member,
Here, the first arm portion and the second arm portion are pivoted so as to intersect with each other to form a grip end and an operating end, and the first arm portion is fixed to a fixed base near the pivot portion on the inner surface of the grip end. Guide rails are formed on both side surfaces of the fixing base, and the fixing base has an upper end fitting groove and a lower end fitting groove formed on the outer peripheral surface, and the second arm portion is formed on the inner surface of the gripping end. An engagement device is formed near the pivotal site,
An inner surface of the sliding engagement member is formed in a hollow shape and installed on a fixed base, and guide rods installed on guide rails are formed on both inner side surfaces of the sliding engagement member. The outer peripheral surface is a positioning plate that restricts or releases the engaging device after sliding, and the inner surface of the positioning plate is elastically locked by being slid and selectively locked to the upper end fitting groove or the lower end fitting groove. When the member is formed and the elastic locking member is locked in the upper-end fitting groove, the positioning plate restricts the engaging device, and when the elastic locking member is locked in the lower-end fitting groove, the positioning plate is engaged. A nipper locking structure characterized by opening the device.   A guide inclined surface is formed on one surface of the bottom surface of the engaging device, and one surface of the upper surface of the positioning plate corresponds to the guide inclined surface and slides downward when interlocked with the slide locking member. The nipper locking structure according to claim 1, wherein an arcuate guide surface is formed.   The nipper locking device structure according to claim 2, wherein convex portions are respectively formed on both side surfaces of the sliding locking member.