CN207465081U - A kind of silent ratchet wheel spanner - Google Patents

Abstract

The utility model discloses a kind of silent ratchet wheel spanners,Including wrench body and ratchet head,One end of wrench body has an annulus,Annulus bottom has mounting groove,Top in annulus is additionally provided with locating slot,Ratchet head is a hollow column,Ratchet head periphery array centered on ratchet head circular shaft has multiple sloping platforms,The inclined-plane of each sloping platform and the inside circle of ratchet head are tangent,Ratchet head, which is inserted and rotated, to be connected in annulus,Each sloping platform and annulus,Small one and large one two pin is also designed in the space that ratchet head is formed,The bottom of two pins is mounted slot and is positioned,An annular end cap is rotatably connected on locating slot,Ratchet head is positioned in annulus by annular end cap,The excircle of end cap is equipped with card slot,It is further opened with being caught in mouth on card slot,Clamp spring is caught in card slot and positions two pins,It is mute noiseless during utility model works,Working environment will not be had an impact.

Description

A kind of silent ratchet wheel spanner

Technical field

The utility model is related to a kind of silent ratchet wheel spanners.

Background technology

Existing ratchet spanner kills to realize one-way only operation generally by engaging between ratchet and ratchet, spine during work It can rub between wheel and ratchet and send out harsh noise, influence use environment.

Utility model content

The utility model aim is to overcome above-mentioned the deficiencies in the prior art, provides a kind of silent ratchet wheel spanner.

The technical solution of the utility model is：A kind of silent ratchet wheel spanner, including wrench body and ratchet head, the spanner One end of ontology has an annulus, and the annulus bottom has mounting groove, and the top in the annulus is additionally provided with locating slot, described Ratchet head is a hollow column, and ratchet head periphery array centered on the ratchet head circular shaft has multiple sloping platforms, each institute The inside circle for stating the inclined-plane and the ratchet head of sloping platform is tangent, and the ratchet head, which is inserted and rotated, to be connected in the annulus, respectively The sum of small one and large one two pin, the diameter of two pins are also designed in the space that the sloping platform is formed with annulus, ratchet head More than the annulus inside radius and the difference of the ratchet head outer radius, the diameter of smaller pin is more than the circle in two pins Gap width between ring and the ratchet head, smaller pin is set close to the periphery of ratchet head in two pins, described in two The inner circumferential of larger pin close to the annulus is set in pin, and the bottom of two pins is positioned by the mounting groove, described An annular end cap is rotatably connected on locating slot, the ratchet head is positioned in the annulus by the annular end cap, the ring The excircle of shape end cap is equipped with card slot, is further opened with being caught in mouth on the card slot, and a clamp spring is caught in card slot and by two pins Column positions.

Further, hexagon or quincunx opening are equipped on the inside of the ratchet head.

Further, the sloping platform has seven.

Further, larger pin is stainless steel pin in two pins, and smaller pin is nylon in two pins Pin.

Further, the clamp spring is the flexible steel ring clamp spring of 3/4 circle.

Further, the annulus and the wrench body are an integral molding structure.

Further, the wrench body other end is additionally provided with common wrench.

The beneficial effects of the utility model are：Between the ratchet head and annulus of the utility model by way of rolling and connecting Noise is eliminated, it is achieved thereby that noiseless function.

Description of the drawings

Fig. 1 is the structure diagram of the utility model；

Fig. 2 is the structure diagram in A portions in Fig. 1；

Fig. 3 is the explosive view of Fig. 2.

Specific embodiment

Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.

With reference to shown in Fig. 1-3, a kind of silent ratchet wheel spanner, including wrench body 1 and ratchet head 2, the wrench body 1 One end has an annulus 3, and 3 bottom of annulus has mounting groove 4, and the top in the annulus 3 is additionally provided with locating slot 5, described Ratchet head 2 is a hollow column, and 2 periphery of ratchet head array centered on 2 circular shaft of ratchet head has multiple sloping platforms 7, The inclined-plane of each sloping platform 7 and the inside circle of the ratchet head 2 are tangent, and the ratchet head 2, which is inserted and rotated, is connected to the circle In ring 3, small one and large one two pin 8, two pins are also designed in the space that each sloping platform 7 is formed with annulus 3, ratchet head 2 The sum of diameter of column 8 is more than the difference of 2 outer radius of 3 inside radius of annulus and the ratchet head, smaller pin in two pins 8 Diameter be more than gap width between the annulus 3 and the ratchet head 2, smaller pin is close to ratchet in two pins 8 First 2 periphery is set, and the inner circumferential of larger pin close to the annulus 3 is set in two pins 8, the bottom of two pins 8 It is positioned by the mounting groove 4, an annular end cap 10 is rotatably connected on the locating slot 5, the annular end cap 10 is by described in Ratchet head 2 is positioned in the annulus 3, and the excircle of the annular end cap 10 is equipped with card slot 11, is also opened on the card slot 11 Equipped with mouth 12 is caught in, a clamp spring 9 is caught in card slot 11 and positions two pins 8.

Further, 2 inside of ratchet head is equipped with hexagon or quincunx opening.

Further, the sloping platform 7 has seven.

Further, larger pin is stainless steel pin in two pins 8, and smaller pin is Buddhist nun in two pins 8 Imperial pin.

Further, the clamp spring 9 is the flexible steel ring clamp spring of 3/4 circle.

Further, the annulus 3 and the wrench body 1 are an integral molding structure.

Further, 1 other end of wrench body is additionally provided with common wrench 13.

During utility model works, along ratchet head sloping platform direction rotationally clockwise, pin is blocked at the left end of gap The opposite slip of column, pin can be rotated with ratchet head at this time, can since the sum of tangent diameter of two pins is less than gap width With smooth rotation；Otherwise when being rotated in an anti-clockwise direction along ratchet head sloping platform direction, pin can be slided along sloping platform right end direction, The sum of tangent diameter of two pins is more than gap width at this time, and ratchet head cannot rotate, it is thus achieved that one-directional rotation function, and It rolls and also eliminates the harsh noise that ratchet is sent out with spine friction between teeth, it is achieved thereby that noiseless function.

It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ", For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.

Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model The normally understood meaning of technical staff in domain is identical.It is only in the term used in the description of the utility model herein The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " packet Include the arbitrary and all combination of one or more relevant Listed Items.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection domain within.

Claims (7)

1. a kind of silent ratchet wheel spanner, including wrench body and ratchet head, it is characterised in that：One end of the wrench body has One annulus, the annulus bottom have mounting groove, and the top in the annulus is additionally provided with locating slot, and the ratchet head is hollow for one Column, ratchet head periphery array centered on the ratchet head circular shaft have multiple sloping platforms, the inclined-plane of each sloping platform with The inside circle of the ratchet head is tangent, and the ratchet head, which is inserted and rotated, to be connected in the annulus, each sloping platform and annulus, The sum of small one and large one two pin, the diameter of two pins is also designed in the space that ratchet head is formed more than in the annulus half The difference of diameter and the ratchet head outer radius, in two pins diameter of smaller pin be more than the annulus and the ratchet head it Between gap width, smaller pin is set close to the periphery of ratchet head in two pins, larger pin patch in two pins The inner circumferential setting of the nearly annulus, the bottom of two pins is positioned by the mounting groove, is rotatablely connected on the locating slot There is an annular end cap, the ratchet head is positioned in the annulus by the annular end cap, on the excircle of the annular end cap Equipped with card slot, it is further opened with being caught in mouth on the card slot, a clamp spring is caught in card slot and positions two pins.

2. a kind of silent ratchet wheel spanner according to claim 1, it is characterised in that：Hexagon is equipped on the inside of the ratchet head Or quincunx opening.

3. a kind of silent ratchet wheel spanner according to claim 1, it is characterised in that：The sloping platform has seven.

4. a kind of silent ratchet wheel spanner according to claim 1, it is characterised in that：Larger pin is not in two pins Become rusty steel pin column, and smaller pin is nylon pin in two pins.

5. a kind of silent ratchet wheel spanner according to claim 1, it is characterised in that：The clamp spring is the Elastic Steel of 3/4 circle Enclose clamp spring.

6. a kind of silent ratchet wheel spanner according to claim 1, it is characterised in that：The annulus and the wrench body are Integrated formed structure.

7. a kind of silent ratchet wheel spanner according to claim 1, it is characterised in that：The wrench body other end is additionally provided with Common wrench.