CN203818040U

CN203818040U - Cross spanner

Info

Publication number: CN203818040U
Application number: CN201420111488.0U
Authority: CN
Inventors: 潘剑波
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-03-12
Filing date: 2014-03-12
Publication date: 2014-09-10
Anticipated expiration: 2024-03-12

Abstract

The utility model relates to a cross spanner. The cross spanner comprises a main shaft and a leveraging shaft, wherein a shaft hole which is used for inserting the leveraging shaft is formed in the middle part of the main shaft, a locating groove hole is annularly formed in the internal wall of the shaft hole, a first movable engagement portion matched with the locating groove hole is formed at the outer side of the head of the leveraging shaft, a second movable engagement portion is formed at the middle part of the leveraging shaft, a limiting convex ring is convexly arranged below the second movable engagement portion, the main shaft and the leveraging shaft form an L shape when the first movable engagement portion and the locating groove hole are matched and located, the second movable engagement portion is just located on the upper end face of the main shaft when the main shaft and the limiting convex ring are limited in an abutted manner, and the main shaft and the leveraging shaft form a cross shape. The main shaft and the leveraging shaft are retractable and detachable, so that the operation is very convenient; the locating groove hole of the main shaft is matched with first steel balls only, so that the wear is less, the stability of locating is improved, and the service life is prolonged; the cross spanner has the advantages that the structure is simple, the operation is convenient, the cost is low, and due to detachability, the occupied space is small and the carrying is facilitated.

Description

Cross like spanner

Technical field

The utility model relates to a kind of spanner, is specifically related to a kind of telescopic, location and facilitates stable cross like spanner.

Background technology

Cross like spanner is a kind ofly to utilize lever principle to twist bolt, screw, nut and other screw threads tightly to hold the opening of bolt or nut or the hand tools of trepanning firmware, mainly for disassembling the work such as locking screw on automobile tire, traditional cross like spanner generally comprises cross-shaped two integrally welded bodies of rod, this structure, because volume is large, is not easy to packing, carries and collect.

Also the spanner structure that has occurred at present many improvement, as the patent No. Chinese utility model patent < < separate type cross wrench structure > > that is CN200820150528.7, it mainly comprises a main effect bar and a side effect bar, wherein, in main effect bar thickening stage casing, be provided with a horizontal perforation, for the grafting of side effect bar and form crossing condition, another in the side of this horizontal perforation, be provided with again a longitudinal deep hole being communicated with this perforation, for coordinating an elastic component and positioning piece, plug a press button, and, this press button stage casing is a thin diameter section, hypomere is a locking section, by above-mentioned structural design, be matched with first and second draw-in groove set on side effect bar, and can simple and easy adjustment and lock the grafting kenel of two actuating rods, to reach practicality and the security effectiveness of expection.The spanner of this structure can split, and while making to pack, volume greatly reduces, but location structure more complicated is made processing cumbersome.The cross like spanner > > that the Chinese utility model patent < < that the patent No. is CN200420088918.8 in addition can split, comprise and pull body and driving body, this is pulled body and is and separates shape with driving body, and pulling body can insert in the axis hole of driving body and form crosswise or T shape, and be formed with connector portions in one end of driving body, so that this connector portions can directly be unclamped object or can be established with sleeve group; And the other end of this driving body is equipped with and holds body, driving body and holding between body rotatably links.This spanner is to carry out crosswise or T shape localization by stop bit body and location division, relatively simple for structure, but because all location are all to carry out in location division, and of long duration easy wearing and tearing, causes the distortion of location division, makes to pull body slippage.Therefore structurally also need further improvement.

Summary of the invention

Technical problem to be solved in the utility model is for the above-mentioned state of the art, to provide a kind of simple in structure, detachable and location to facilitate stable cross like spanner.

The utility model solves the problems of the technologies described above adopted technical scheme: a kind of cross like spanner, comprise main shaft and borrow mechanical axis, the middle part of main shaft is provided with for the axis hole of borrowing mechanical axis to insert, it is characterized in that: on the inwall of described axis hole, hoop offers location notch hole, borrow the head outside of mechanical axis to be provided with the first active card stop coordinating with location notch hole, borrow the middle part of mechanical axis to be provided with the second active card stop, below the second active card stop, convex with position limiting convex ring, the diameter of position limiting convex ring is greater than the aperture of axis hole, when the first active card stop coordinates location with location notch hole, main shaft and borrow mechanical axis to be combined into L-type, when the lower surface of main shaft and position limiting convex ring offset when spacing, the second active card stop is just in time positioned at the upper surface of main shaft, main shaft and borrow mechanical axis to form cross type.

As improvement, the described head outside of mechanical axis of borrowing offers first groove of inserting for the first active card stop, the first fastener is comprised of the first spring and the first steel ball, the first steel ball telescopically is embedded in the first groove, the diameter of the first steel ball is greater than the opening diameter of the first groove, the first spring supporting, between the inwall and the first steel ball of the first groove, makes the first steel ball have the trend of protruding the first groove all the time.

As improvement, the described middle part of mechanical axis of borrowing offers second groove of inserting for the second active card stop, the second active card stop is comprised of the second spring and the second steel ball, the second steel ball telescopically is embedded in the second groove, the diameter of the second steel ball is greater than the opening diameter of the second groove, the second spring supporting, between the inwall and the second steel ball of the second groove, makes the second steel ball have the trend of protruding the second groove all the time.

As improvement, the described afterbody by means of mechanical axis is hand grip portion.

Improve, the effect end that one end of described main shaft is square spigot, is equipped with telescopic the 3rd steel ball at the sidepiece of square spigot again, and the other end of main shaft is fixed with handlebar, is arranged with rotating taper knob on handlebar.

Improve, the end of described handlebar is provided with an annular groove of inserting for jump ring again, and on the inwall of taper knob, correspondence is provided with jump-ring slot, and taper knob was set on handlebar by jump-ring slot and coordinating rotationally of jump ring.

Compared with prior art, the utility model has the advantage of: main shaft is with scalable and detachable by means of mechanical axis, and by the first spring and the first steel ball by means of mechanical axis head, coordinate location with the locating slot of main shaft while forming L-type, form when cross, by borrowing the position limiting convex ring at mechanical axis middle part and the second steel ball to borrowing mechanical axis to be fixed, operation is very easy, one draws, once having pushed away the mode of switch, because the location notch hole of main shaft only coordinates with the first steel ball, therefore wear and tear less, increased stability and the service life of location.The utility model is simple in structure, easy to operate, and cost is low, and detachable occupying little space, and is easy to carry.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is the structural representation under another use state of the utility model;

Fig. 3 is the exploded view of Fig. 1;

Fig. 4 is the STRUCTURE DECOMPOSITION figure of handle part in Fig. 1.

The specific embodiment

Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.

As shown in Fig. 1～4, the cross like spanner of the present embodiment, comprise main shaft 1 and borrow mechanical axis 2, the middle part of main shaft 1 is that the cross section of widening is rectangular configuration, one end of main shaft 1 is the effect end of square spigot 12, sidepiece at square spigot 12 is equipped with telescopic the 3rd steel ball 121, can be used in conjunction with sleeve etc., the other end of main shaft 1 is fixed with handlebar 3, on handlebar 3, be arranged with rotating taper knob 4, the end of handlebar 3 is provided with an annular groove of inserting for jump ring 5 31, on the inwall of taper knob 4, correspondence is provided with jump-ring slot 41, taper knob 4 was set on handlebar 3 rotationally by jump-ring slot 41 and coordinating of jump ring 5, the middle part of main shaft 1 offers for the axis hole 11 of borrowing mechanical axis 2 to insert, on the inwall of axis hole 11, hoop offers location notch hole 111, borrow the head outside of mechanical axis 2 to be provided with the first active card stop coordinating with location notch hole 111, borrow the head outside of mechanical axis 2 to offer first groove 21 of inserting for the first active card stop, the first active card stop is comprised of the first spring 7 and the first steel ball 6, the first steel ball 6 telescopicallies are embedded in the first groove 21, the diameter of the first steel ball 6 is less than the opening diameter of the first groove 21, normally pack into after the first groove 21, riveting one realization of getting off above opening, make the little head of steel ball one outside, the first spring 7 is supported between the inwall and the first steel ball 6 of the first groove 21, make the first steel ball 6 there is the trend of protruding the first groove 21 all the time, borrow the middle part of mechanical axis 2 to be provided with the second active card stop, borrow the middle part of mechanical axis 2 to offer second groove 22 of inserting for the second active card stop, the second active card stop is comprised of the second spring 9 and the second steel ball 8, the second steel ball 8 telescopicallies are embedded in the second groove 22, the diameter of the second steel ball 8 is less than the opening diameter of the second groove 22, riveting above, the little head of steel ball one outside, the second spring 9 is supported between the inwall and the second steel ball 8 of the second groove 22, make the second steel ball 8 there is the trend of protruding the second groove 22 all the time, below the second active card stop, convex with position limiting convex ring 23, the diameter of position limiting convex ring 23 is greater than the aperture of axis hole 11, like this when the first active card stop coordinates location with location notch hole 111, main shaft 1 and borrow mechanical axis 2 to be combined into L-type, now the first steel ball 6 withstands in location notch hole 111, prevent from borrowing mechanical axis 2 to slide, can unscrew lug nut or fastening nut, when the lower surface of main shaft 2 and position limiting convex ring 23 offset when spacing, the upper surface that the second active card stop is just in time positioned at main shaft 1 is on main shaft external diameter, now by the second steel ball 8 and position limiting convex ring 23, will fixedly prevent play by means of mechanical axis 2, main shaft 1 and borrow mechanical axis 2 to form to be cross type, can to unload lug nut by Quick-rotating tool, in addition, borrow mechanical axis afterbody be hand grip portion 24, hand grip portion 24 is coated with rubber layer, is convenient to hold rotation.

Operation principle is such: while forming L-type spanner, by borrowing the top power of the first spring 7 of mechanical axis 2 heads that the first steel ball 6 is stuck in the location notch hole 111 of main shaft, prevent from borrowing mechanical axis 2 to slide, unscrew lug nut or fastening nut; When L-type spanner is unscrewed nut, will up draw by means of mechanical axis 2, and utilize the second steel ball 8 and position limiting convex ring 23 to fix by means of mechanical axis 2, form cross like spanner, now can unload lug nut by Quick-rotating tool; After borrowing mechanical axis 2 down to pull out, become split typely, do not take up space.This product is easy to use, and main one draws and one group, has just completed the principle of switch, easy to carry and do not take up space.

Claims

1. a cross like spanner, comprise main shaft and borrow mechanical axis, the middle part of main shaft is provided with for the axis hole of borrowing mechanical axis to insert, it is characterized in that: on the inwall of described axis hole, hoop offers location notch hole, borrow the head outside of mechanical axis to be provided with the first active card stop coordinating with location notch hole, borrow the middle part of mechanical axis to be provided with the second active card stop, below the second active card stop, convex with position limiting convex ring, the diameter of position limiting convex ring is greater than the aperture of axis hole, when the first active card stop coordinates location with location notch hole, main shaft and borrow mechanical axis to be combined into L-type, when the lower surface of main shaft and position limiting convex ring offset when spacing, the second active card stop is just in time positioned at the upper surface of main shaft, main shaft and borrow mechanical axis to form cross type.

2. cross like spanner according to claim 1, it is characterized in that: the described head outside of mechanical axis of borrowing offers first groove of inserting for the first active card stop, the first active card stop is comprised of the first spring and the first steel ball, the first steel ball telescopically is embedded in the first groove, the diameter of the first steel ball is greater than the opening diameter of the first groove, the first spring supporting, between the inwall and the first steel ball of the first groove, makes the first steel ball have the trend of protruding the first groove all the time.

3. cross like spanner according to claim 1, it is characterized in that: the described middle part of mechanical axis of borrowing offers second groove of inserting for the second active card stop, the second active card stop is comprised of the second spring and the second steel ball, the second steel ball telescopically is embedded in the second groove, the diameter of the second steel ball is greater than the opening diameter of the second groove, the second spring supporting, between the inwall and the second steel ball of the second groove, makes the second steel ball have the trend of protruding the second groove all the time.

4. according to the cross like spanner described in claim 1 or 2 or 3, it is characterized in that: the described afterbody by means of mechanical axis is hand grip portion.

5. according to the cross like spanner described in claim 1 or 2 or 3, it is characterized in that: the effect end that one end of described main shaft is square spigot, sidepiece at square spigot is equipped with telescopic the 3rd steel ball, and the other end of main shaft is fixed with handlebar, is arranged with rotating taper knob on handlebar.

6. cross like spanner according to claim 5, it is characterized in that: the end of described handlebar is provided with an annular groove of inserting for jump ring, on the inwall of taper knob, correspondence is provided with jump-ring slot, and taper knob was set on handlebar by jump-ring slot and coordinating rotationally of jump ring.