CN201313269Y

CN201313269Y - Quick detaching structure of eye protection cover of table saw

Info

Publication number: CN201313269Y
Application number: CNU2008201762322U
Authority: CN
Inventors: 刘嘉盛; 陈振元
Original assignee: Durq Machinery Corp
Current assignee: Durq Machinery Corp
Priority date: 2008-11-14
Filing date: 2008-11-14
Publication date: 2009-09-23
Anticipated expiration: 2018-11-14

Abstract

The utility model provides a quick detaching structure of an eye protection cover of a table saw, which is characterized in that a riving knife is provided with a gap and a fixing hole which are communicated with each other; a tapered channel is formed between the gap and the fixing hole; a bracket which is combined with two side plates is provided with a clamping slot used for the riving knife to be partially inserted; the bracket is also provided with a axle hole used for an axle pin to pass through; the axle pin is provided with a large diameter part and a small diameter part, and one end thereof is connected with a handle; and the handle can be switched between one pressing position and one cocked position by pulling the handle, so the large diameter part of the axle pin can be driven to be inserted in the fixing hole of the riving knife, thereby, the bracket can not be separated relatively to the riving knife; or the small diameter part thereof can be inserted in the fixing hole and then passes through the tapered channel when the bracket is separated relatively to the riving knife.

Description

The eye-protection cover quick-disassembly structure of table saw

Technical field

The utility model is relevant with the table saw, the more detailed eye-protection cover quick-disassembly structure that is meant a kind of saw.

Background technology

Convenience and security are the emphasis that work implements is emphasized always, and eye-protection cover and the chopper sawed with table are combined into example, how to promote firm combination and reach the fast assembling-disassembling purpose, are the emphasis of design.

Fig. 1 to Fig. 3 discloses a kind of eye-protection cover 1 and chopper 5 of existing table saw, wherein eye-protection cover 1 comprises a lid 2 and a carriage 3, carriage 3 one ends are articulated in lid 2 inboards, other end group is established a quick detach assembly 4, quick detach assembly 4 comprises that a left and

right axle sleeve

4a, 4b screw togather with a nut 4c respectively and be fixed in left and right side plate 3a, the 3b of carriage 3, in a built-in spring 4d of left axle sleeve 4a and a lining 4e, one pressing piece 4f is set in right axle sleeve 4b, defines an applying line L in this and remain on by lining 4e and the inconsistent position of pressing piece 4f.

Above-mentioned lining 4e is subjected to spring 4d pushing tow and embeds the circular perforations 5a of chopper 5 near upper edge, reach the purpose that eye-protection cover 1 combines with chopper 5 according to this, only, when desire is separated eye-protection cover 1 phase broadsword v.broadsword 5, the user needs to dig lid 2 so that quick detach assembly 4 exposes on the other hand, inwardly move back lining 4e to change the position of applying line L in the top with another hand finger pushing pressing piece 4f again, as shown in Figure 3, behind the line L that waits the to fit alignment chopper 5,2 beginnings of pull-up lid can be with carriage 3 bands from chopper 5, so, the applying line L position of alignment chopper 5 also is difficult for obtaining, the user must constantly change the power of pushing pressing piece 4f, and constantly attempt pull-up eye-protection cover 1 just can, therefore, this existing structure is not had a convenience, similarly, with in eye-protection cover 1 and the process that chopper 5 combines, also there is above-mentioned shortcoming.

The utility model content

In view of this, main purpose of the present utility model is to provide the eye-protection cover quick-disassembly structure of a kind of saw, has the effect of handled easily and fast assembling-disassembling.

Edge is to reach above-mentioned purpose, the eye-protection cover quick-disassembly structure of a kind of saw provided by the utility model comprises a chopper, a carriage, a pivot pin and leader, wherein the chopper apical margin has a breach and a fixing hole that is connected, and one brings tunnel-shaped together and is formed between this breach and this fixing hole; Carriage has a clip slot provides this chopper to be partially submerged into, this clip slot of axis hole cross connection, at least one lead pushing block from carriage one side and contiguous axis hole protrusion-shaped become; Pivot pin wears the axis hole of this carriage and has an adjacent large-diameter portion of establishing and a minor diameter part; The minor diameter part of handle and this pivot pin is fixed, and can press down between a position and the cocked position in one and switch, and this handle also has at least one end face projection.

When handle is positioned at depressed position, its end face projection contacts the pushing block of leading of this carriage, make the large-diameter portion of pivot pin insert the fixing hole of chopper, and carriage can't break away from by the phase broadsword v.broadsword, when handle is positioned at this cocked position, its end face projection does not contact the pushing block of leading of this carriage, make the minor diameter part of pivot pin insert the fixing hole of chopper, and this minor diameter part is brought passage together by this when carriage phase broadsword v.broadsword separates.

The beneficial effects of the utility model are:

The eye-protection cover quick-disassembly structure of table saw of the present utility model has the effect of handled easily and fast assembling-disassembling.

Description of drawings

The specific embodiment that the utility model adopted will be further described by following embodiment and accompanying drawing, wherein:

Fig. 1 combines schematic diagram for the eye-protection cover of existing table saw with chopper.

Fig. 2 is the cutaway view of above-mentioned existing eye-protection cover when combining with chopper.

Fig. 3 is the schematic diagram that the relative eye-protection cover of above-mentioned existing chopper separates.

Fig. 4 is the exploded perspective view of the utility model one preferred embodiment.

Fig. 5 is the carriage stereogram of above-mentioned preferred embodiment.

Fig. 6 is the handle stereogram of above-mentioned preferred embodiment.

Fig. 7 is the handle side view of above-mentioned preferred embodiment.

Fig. 8, Fig. 9 are that the carriage of above-mentioned preferred embodiment combines schematic diagram with chopper, disclose handle and are positioned at depressed position.

Figure 10 is the 10-10 direction cutaway view of Fig. 8.

Figure 11, Figure 12 are that the carriage of above-mentioned preferred embodiment combines schematic diagram with chopper, disclose handle and are positioned at the cocked position.

Figure 13 is the 13-13 direction cutaway view of Figure 11.

The specific embodiment

Fig. 4 discloses the table saw eye-protection cover quick-disassembly structure of the utility model one preferred embodiment, comprises a chopper 10, a carriage 20, a pivot pin 36, a spring 38, leader 40 and two side plates 50, wherein:

This chopper 10 is an en plaque, in have L-shaped without exception slotted eye 12 near upper edge, and a breach 14 that is connected and a fixing hole 16, one brings 18 in passage together is formed between this breach 14 and this fixing hole 16, aforementioned slotted eye 12 is open with breach 14 1 ends, fixing hole 16 has an angle section 16a who is reaming, as shown in figure 10.

Please cooperate shown in Figure 5, these carriage 20 ends have two parallel lugs 22, each lug 22 has a perforation 22a and wears for a cross bar 24, cross bar 24 is the slotted eyes 12 that can enter chopper 10, provide carriage 20 these ends to obtain to locate and can combine with chopper 10 apace according to this, one vertical this carriage 20 of clip slot 26 cutting-ups, this clip slot 26 provides chopper 10 first halves local embedding, one axis hole 28 laterally runs through carriage 20 and is communicated with clip slot 26, the width of aforementioned clip slot 26 is suitable with chopper 10 thicknesss of slab, make and to rock with the carriage 20 unlikely generations after chopper 10 combine, and the fixing hole 16 of the axis hole 28 proper choppers 10 that align.Carriage 20 proximal end places have one by side 30a, preceding restriction face 30b and back restriction face 30c enclose the open shape tank 30 of formation, leading pushing block 32 for three forms from this side 30a projection, and around this axis hole 28, respectively lead pushing block 32 and have a positive bevel 32a who walks unhurriedly and rise and have guiding function concurrently, the contrary inclined-plane 32b that is connected this positive bevel 32a with one, mandatory declaration be, contrary inclined-plane 32b one is close to horizontal plane but in fact is the inclined-plane that trace descends, in other words, contrary inclined-plane 32b is the position that is in a high relatively point, in addition, carriage 20 is formed with a shoulder 34 in clip slot 26 and axis hole 28 confluces, as shown in figure 10.

This pivot pin 36 is arranged in the axis hole 28 of this carriage 20, and have an adjacent large-diameter portion 36a who establishes and a minor diameter part 36b, wherein large-diameter portion 36a end has a radially outstanding retaining wall 36c outwardly, one turns hole 36d from the recessed formation of large-diameter portion 36a end face (please refer to Figure 10), and one an awl section 36e connect this minor diameter part 36b, this minor diameter part 36b latter end then is a thread segment 36f.

This spring 38 is placed in the axis hole 28, and sheathed this pivot pin 36, and spring 38 1 ends are butted on the retaining wall 36c of pivot pin 36, the shoulder 34 of other end butt carriage 20.

Please cooperate Fig. 6, shown in Figure 7, this handle 40 has a discoid pedestal 42 and a driving lever 44, this pedestal 42 has a perforation 42a and supplies the minor diameter part 36b of pivot pin 36 to pass, 46 on one nut is incorporated into the thread segment 36f of this minor diameter part 36b, make handle 40 be placed in the tank 30 of carriage 20, this pedestal 42 has more the end face projection 48 that three projections formed and centered on perforation 42a in the side in the face of carriage 20, each end face projection 48 has a positive bevel 48a and a contrary inclined-plane 48b, and contrary inclined-plane 48b is the position that trace descends and is in a high relatively point; The preceding restriction face 30b of conflict tank 30 when 44 of the driving levers of handle 40 are pulled forward, make handle 40 stop at shown in Figure 8 one and press down position P1, and when pulling backward the back restriction face 30c of conflict tank 30, make handle 40 stop at a cocked position P2 shown in Figure 11.

This two side plate 50 is articulated in the left and right side of carriage 20 respectively, and wherein side plate 50 has that 52 pairs of open-works should pivot pin 36 turns hole 36d.

The above is each the thin portion structure of eye-protection cover quick-disassembly structure and the relevant position explanation of the utility model one preferred embodiment, narrates it now again and operates in the back:

Fig. 8, Fig. 9 discloses handle 40 and is positioned at depressed position P1, the contrary inclined-plane 48b of the end face projection 48 of handle 40 supports with the contrary inclined-plane 32b subsides of leading pushing block 32 of carriage 20 at this moment, it not only causes pivot pin 36 to be spurred displacement toward chopper 10 directions, and the awl section 36e of pivot pin 36 large-diameter portion 36a touches the angle section 16a to chopper 10 fixing holes 16, shown in the tenth figure, cause carriage 20 to break away from by phase broadsword v.broadsword 10, more produce lateral pressure because of pivot pin 36 broadsword v.broadswords 10, it is more firm to make that carriage 20 combines with chopper 10, secondly, the contrary inclined-plane 48b of handle 40 and the contrary inclined-plane 32b of carriage 20 paste mutually to the result, have restriction handle 40 and be not subjected to keep the usefulness of stopping fixing on this depressed position P1 under the external force effect.

When desire is separated carriage 20 together with side plate 50 phase broadsword v.broadswords 10, the user only needs to dial handle 40 with light finger, as Figure 11, shown in Figure 12, and in the contrary inclined-plane 48b that overcomes handle 40 and the contrary inclined-plane 32b of carriage 20 paste mutually to snap-in force, being aided with spring 38 discharges compressed energy-storages and can push up and move back pivot pin 36, as shown in figure 13, the related back restriction face 30c that causes the driving lever 44 conflict tanks 30 of handle 40, make handle 40 stop at this cocked position P2, the minor diameter part 36b of pivot pin 36 is positioned at the fixing hole 16 of chopper 10 simultaneously, this minor diameter part 36b also brings passage 18 together by this when carriage 20 phase broadsword v.broadswords 10 separate, be to mention action with one hand, can easily carriage 20 be separated together with side plate 50 phase broadsword v.broadswords 10 with the user.

In addition, the eye-protection cover quick-disassembly structure of present embodiment still must turn hole 36d via what the open-work 52 that passes side plate 50 with instrument stretched into pivot pin 36 again, can reach and adjusts the purpose that pivot pin 36 broadsword v.broadswords 10 produce the lateral pressure sizes in turning pivot pin 36 again.

Again one carry be, reach restriction handle 40 and stop fixing on this depressed position P1 not being subjected to keep under the external force effect, just like the contrary inclined-plane 48b that utilizes handle 40 of present embodiment and the contrary inclined-plane 32b of carriage 20 paste mutually to the structure kenel outside, still can select one with regard to said two devices and keep contrary inclined-plane, can reach above-mentioned purpose equally.

The above only is a preferable possible embodiments of the present utility model, and the equivalent structure that every application the utility model specification and claim are done changes, and ought to be included in the claim scope of the present utility model.

Claims

1. the eye-protection cover quick-disassembly structure of a table saw is characterized in that, comprises:

One chopper has a breach and a fixing hole that is connected near upper edge, and one brings tunnel-shaped together and is formed between this breach and this fixing hole;

One carriage, having a clip slot provides this chopper to be partially submerged into, this clip slot of axis hole cross connection and this fixing hole that aligns, at least one lead pushing block from carriage one side and contiguous axis hole protrusion-shaped become;

One pivot pin wears the axis hole of this carriage and the fixing hole of this chopper, and has an adjacent large-diameter portion of establishing and a minor diameter part;

The leader, fixed with the minor diameter part of this pivot pin, and can press down between a position and the cocked position in one and switch, this handle has at least one end face projection;

When handle is positioned at this depressed position, its end face projection contacts the pushing block of leading of this carriage, and the large-diameter portion of pivot pin inserts the fixing hole of chopper, when handle is positioned at this cocked position, its end face projection does not contact the pushing block of leading of this carriage, and the minor diameter part of pivot pin inserts the fixing hole of chopper.

2. the eye-protection cover quick-disassembly structure of table saw as claimed in claim 1 is characterized in that, wherein one of them has a contrary inclined-plane to the end face projection of leading pushing block and this handle of this carriage at least.

3. the eye-protection cover quick-disassembly structure of table saw as claimed in claim 1, it is characterized in that, wherein this carriage has the confluce that a shoulder is formed at axis hole and clip slot, this pivot pin has a radially outstanding retaining wall outwardly in the end of large-diameter portion, sheathed this pivot pin of one spring and an end are butted on this retaining wall, and the other end is this shoulder of butt then.

4. the eye-protection cover quick-disassembly structure of table saw as claimed in claim 1, it is characterized in that, wherein the clip slot width of the thickness of slab of this chopper and this carriage is suitable, the fixing hole of this chopper has an angle section, the large-diameter portion of this pivot pin has an awl section, when handle was positioned at this depressed position, the awl section of pivot pin was touched the angle section to this chopper fixing hole.

5. the eye-protection cover quick-disassembly structure of table saw as claimed in claim 1 is characterized in that wherein this chopper apical margin also is provided with a slotted eye, and this carriage has contiguous this axis hole of a cross bar, and when carriage combined with chopper, cross bar entered this slotted eye.

6. the eye-protection cover quick-disassembly structure of table saw as claimed in claim 1, it is characterized in that, wherein this pivot pin have from its large-diameter portion end face recessed one turn the hole, and one thread segment be formed at the minor diameter part latter end, this handle has a perforation and supplies the minor diameter part of this pivot pin to pass, and a nut is incorporated into the thread segment of this pivot pin minor diameter part.

7. the eye-protection cover quick-disassembly structure of table saw as claimed in claim 6 is characterized in that, more includes two side plates that are articulated in this carriage left and right sides respectively, and wherein side plate has an open-work to the hole that turns that should pivot pin.