CN207788869U - Three-in-one pneumatic handheld tool - Google Patents

Abstract

The utility model discloses a kind of three-in-one pneumatic handheld tools, including handle and more tool heads, handle is by interconnecting piece, hand-held part and intake section composition, interconnecting piece is by first shell, limited location snap ring and locating ring composition, one side of limited location snap ring is integrally formed limited block, the side of tool heads is provided with auxiliary section, auxiliary section is by connecting shaft, first bearing and second shell composition, and the side shaft end inner hollow of connecting shaft forms the matched connecting hole in shaft end with the rotary cylinder, it is also dispersed with the locating slot with locating piece cooperation clamping in connection hole, it is integrally formed at least three clamping blocks in the side of second shell, it has the technical effect that：Pass through the cooperation of spline and dowel hole at tool heads at handle, so that transmission stability is better, buckling groove on handle connecting portion is clamped with the cooperation of the clamping block on corresponding tool heads auxiliary section, so that handle is connected firmly with tool heads, and the two is convenient for disassembly and assembly, improves the working efficiency of operative employee to a certain extent.

Description

Three-in-one pneumatic handheld tool

Technical field

The utility model is related to pneumatic tool fields, and in particular to a kind of three-in-one pneumatic handheld tool.

Background technology

In recent years, with the fast development of industry, more and more production fields that manufacture are required for using pneumatically hand-held work Tool, and in order to meet the needs of different production processes, have existed in the market an a kind of handle be equipped with it is more tool heads Pneumatic handheld tool, but existing such pneumatic handheld tool, tool heads dismount more complicated, worker with handle When replacing tool heads, a large amount of time is wasted, has seriously affected work task efficiency.

In view of this, special propose the utility model.

Utility model content

A kind of reasonable for structure, tool is devised purpose of the utility model is to solve above-mentioned the deficiencies in the prior art The head three-in-one pneumatic handheld tool convenient for disassembly and assembly with handle.

To achieve the goals above, the three-in-one pneumatic handheld tool of one kind designed by the utility model, including handle and It is more the tool heads with different function, the handle is made of interconnecting piece, hand-held part and the intake section being sequentially connected, the company Socket part is socketed limited location snap ring on the first shell and locating ring composition by first shell, is formed at the first shell First vessel, and the side inner wall of the first shell is formed with buckling groove, is also formed in the first shell convex Edge, in the lateral wall upper edge of first shell, its axial direction is evenly distributed at least three mounting grooves, in the inner cavity of the first shell It is additionally provided with spring, the spring is arranged around the madial wall of first shell and extends outwardly along its axial length direction；In the limit One side of snap ring is formed with the limited block that snapping is corresponded with above-mentioned mounting groove, and the limited block correspondence is embedded in On buckling groove, the locating ring is screwed on limited location snap ring screw thread, and is integrally formed bulge loop, the bulge loop along the madial wall of locating ring The corresponding side for being connected to above-mentioned flange；The hand-held part includes third shell and the rotary cylinder at third shell, The side shaft end of the rotary cylinder extends outwardly across first shell inner cavity, and is equipped with spline in its axial end；In each work The side of tool head is both provided with auxiliary section, and each auxiliary section is made of connecting shaft, first bearing and second shell, and each first Bearing is socketed in connecting shaft, and each second shell is wrapped in first bearing, and the side shaft end of each connecting shaft is worn Second shell setting is crossed, and the side shaft end inner hollow of each connecting shaft is formed and the matched dowel hole of the spline, The side of each second shell is integrally formed at least three clamping blocks, and each clamping block, which can coordinate, is connected in said first shell In the buckling groove at place.

Further, the hand-held part further includes mounted on third hull outside portion by compressing switch, the third shell Place is formed with the second vessel and third vessel, and the rotary cylinder is mounted in the second vessel, and the side of the rotary cylinder is solid Surely it is connected to cylinder head assembly, the other side is fixedly connected bearing mounting base, is equipped on the cylinder head assembly and holds with second The venthole that chamber is connected is equipped with second bearing in the bearing mounting base, and one end of above-mentioned spring is connected to second On bearing, the side shaft end of the rotary cylinder is set out from second bearing and extends in the first vessel；The second shell One side of body is integrally formed admission line, and the admission line side is connected to intake section, and the intake section includes screw thread The intake interface being connected on admission line and the fixed seat being socketed on intake interface, and the fixed seat is connected to second In shell；Air control valve is also equipped in the third vessel of the second shell, the air control valve is arranged the one of rotary cylinder Side, and the spool of the air control valve stretches out outside second shell, and positioned at by the lower section to compress switch.

Specific mounting means：The limited location snap ring on handle connecting portion is unscrewed first, is socketed in the work that will change On the auxiliary section for having head, then the tool heads are fitted at the interconnecting piece of handle so that in extending tool head connecting shaft Dowel hole corresponding matching in the spline on interconnecting piece rotary cylinder axis body, make the connecting shaft of tool heads with the axis body of rotary cylinder It rotates synchronously, while the clamping block on tool heads auxiliary section being made to enter from the mounting groove of first shell, then rotating tool head, So that clamping block corresponding matching be mounted on first shell buckling groove at, finally again by the limited location snap ring on tool heads auxiliary section to Handle connecting portion is drawn close so that the limited block on limited location snap ring is fitted at the mounting groove of first shell, is placed in first shell Internal spring apical grafting a side end face of tool heads, while each limited block is embedded in the buckling groove on the inside of first shell, makes Axial dipole field cannot be occurred by obtaining tool heads and handle, then again coordinate the locating ring of limit on the first shell with limited location snap ring It screws, realizes that handle and stablizing for tool heads are installed.

The three-in-one pneumatic handheld tool that the utility model obtains, the advantage is that：Pass through the spline and tool at handle The cooperation of dowel hole at head so that transmission stability is better, passes through buckling groove on handle connecting portion and corresponding tool heads The cooperation of clamping block on auxiliary section is clamped so that handle is connected firmly with tool heads, and the two is convenient for disassembly and assembly, to a certain extent Improve the working efficiency of operative employee.

Description of the drawings

Fig. 1 is three-in-one pneumatic handheld tool schematic diagram in embodiment 1；

Fig. 2 is three-in-one pneumatic handheld tool sectional view in embodiment 1；

Fig. 3 is partial enlarged view at A in Fig. 2；

Fig. 4 is partial enlarged view at B in Fig. 2；

Fig. 5 is ratchet head schematic diagram in embodiment 1；

Fig. 6 is bistrique schematic diagram in embodiment 1；

Fig. 7 is drill chuck schematic diagram in embodiment 1；

In figure：Handle 1, tool heads 2, interconnecting piece 3, hand-held part 4, intake section 5, first shell 6, limited location snap ring 7, locating ring 8, the first vessel 9, buckling groove 10, flange 11, mounting groove 12, limited block 13, bulge loop 14, auxiliary section 15, connecting shaft 16, first axle Hold 17, second shell 18, clamping block 19, third shell 20, by the 21, second vessel 22, third vessel 23, the rotary cylinder of compressing switch 24, cylinder head assembly 25, bearing mounting base 26, venthole 27, second bearing 28, admission line 29, intake interface 30, fixed seat 31, air control valve 32, spring 33, spool 34, spline 35, dowel hole 36.

Specific implementation mode

The utility model is further illustrated with reference to the accompanying drawings and examples.

Embodiment 1：

As shown in figs. 1-7, the three-in-one pneumatic handheld tool of one kind designed by the utility model, including handle 1 and more Tool heads 2 with different function, the handle 1 is made of interconnecting piece 3, hand-held part 4 and the intake section 5 being sequentially connected, described Interconnecting piece 3 is by first shell 6, while limited location snap ring 7 and locating ring 8 composition being socketed in first shell 6, the first shell The first vessel 9 is formed at 6, and the side inner wall of the first shell 6 is formed with buckling groove 10, in the first shell 6 also It is formed with flange 11, its axial direction is evenly distributed at least three mounting grooves 12 in the lateral wall upper edge of first shell 6, in institute The inner cavity for stating first shell 6 is additionally provided with spring 33, and the spring 33 is arranged and around the madial wall of first shell 6 along its axial length side To extending outwardly；The limit that snapping is corresponded with above-mentioned mounting groove 12 is formed in a side of the limited location snap ring 7 Block 13, and the limited block 13 corresponds on buckling groove 10, the locating ring 8 is screwed on 7 screw thread of limited location snap ring, and along fixed The madial wall of position ring 8 is integrally formed bulge loop 14, and the bulge loop 14 corresponds to the side for being connected to above-mentioned flange 11；The hand-held part 4 Rotary cylinder 24 including third shell 20 and at third shell 20, the side shaft end of the rotary cylinder 24 pass through the One shell, 6 inner cavity extends outwardly, and is equipped with spline 35 in its axial end；It is both provided with auxiliary section in the side of each tool heads 2 15, each auxiliary section 15 is made of connecting shaft 16, first bearing 17 and second shell 18, and each first bearing 17 is socketed in In connecting shaft 16, each second shell 18 is wrapped in first bearing 17, and the side shaft end of each connecting shaft 16 both passes through the Two shells 18 are arranged, and the side shaft end inner hollow of each connecting shaft 16 is formed and 35 matched dowel hole of the spline 36, at least three clamping blocks 19 are integrally formed in the side of each second shell 18, each clamping block 19, which can coordinate, to be connected in In buckling groove 10 at said first shell 6.

Further, the hand-held part 4 further includes mounted on third shell 20 outside portion by compressing switch 21, the third The second vessel 22 and third vessel 23 are formed at shell 20, the rotary cylinder 24 is mounted in the second vessel 22, the rotation The side of rotaring cylinder 24 is fixedly connected cylinder head assembly 25, and the other side is fixedly connected bearing mounting base 26, in the cylinder Cap assemblies 25 are equipped with the venthole 27 being connected with the second vessel 22, and second bearing is equipped in the bearing mounting base 26 28, and one end of above-mentioned spring 33 is connected in second bearing 28, the side shaft end of the rotary cylinder 24 is from second bearing 28 It is set out and extends in the first vessel 9；One side of the second shell 18 is integrally formed admission line 29, and it is described into 29 side of feed channel is connected to intake section 5, the intake section 5 include be threaded in the intake interface 30 on admission line 29 with And it is socketed in the fixed seat 31 on intake interface 30, and the fixed seat 31 is connected in second shell 18；In the second shell It is also equipped with air control valve 32 in the third vessel 23 of body 18, the air control valve 32 is arranged in the side of rotary cylinder 24, and described The spool 34 of air control valve 32 stretches out outside second shell 18, and positioned at by compress switch 21 lower section.

Specific mounting means：The limited location snap ring 7 on handle 1 interconnecting piece 3 is unscrewed first, and being socketed in will change On the auxiliary section 15 of tool heads 2, then the tool heads 2 are fitted at the interconnecting piece 3 of handle 1 so that extending tool head 2 36 corresponding matching of dowel hole in connecting shaft 3 makes the connection of tool heads 2 in the spline 35 on 3 rotary cylinder of interconnecting piece, 24 axis body Axis 3 is rotated synchronously with the axis body of rotary cylinder 24, while making peace of the clamping block on 2 auxiliary section 15 of tool heads from first shell 6 Entering at tankage 12, then rotating tool head 2 so that 19 corresponding matching of clamping block is mounted at the buckling groove 10 of first shell 6, Finally the limited location snap ring 7 on 2 auxiliary section 15 of tool heads is drawn close to 1 interconnecting piece 3 of handle again so that the limit on limited location snap ring 7 Block 13 is fitted at the mounting groove 12 of first shell 6, and 33 apical grafting of spring being placed in first shell 6 the one of tool heads 2 Side end face, while each limited block 13 is embedded in the buckling groove 10 of 6 inside of first shell so that tool heads 2 and handle 1 cannot be sent out Raw axial dipole field, then the locating ring 8 by limit in first shell 6 is screwed with the cooperation of limited location snap ring 7 again, realize handle 1 and Tool heads 2 stablize installation.

Claims (2)

1. a kind of three-in-one pneumatic handheld tool, including handle（1）With more the tool heads with different function（2）, feature It is：The handle（1）By the interconnecting piece being sequentially connected（3）, hand-held part（4）And intake section（5）Composition, the interconnecting piece（3） By first shell（6）, while being socketed in first shell（6）On limited location snap ring（7）And locating ring（8）Composition, the first shell Body（6）Place forms the first vessel（9）, and the first shell（6）Side inner wall be formed with buckling groove（10）, described first Shell（6）On be also formed with flange（11）, in first shell（6）Lateral wall upper edge its axial direction be evenly distributed at least three A mounting groove（12）, in the first shell（6）Inner cavity be additionally provided with spring（33）, the spring（33）Around first shell （6）Madial wall setting and extend outwardly along its axial length direction；In the limited location snap ring（7）A side be formed with it is upper State mounting groove（12）Correspond the limited block of snapping（13）, and the limited block（13）It is corresponding to be embedded in buckling groove（10）On, The locating ring（8）With limited location snap ring（7）Screw thread is screwed on, and along locating ring（8）Madial wall be integrally formed bulge loop（14）, described Bulge loop（14）Correspondence is connected to above-mentioned flange（11）Side；The hand-held part（4）Including third shell（20）With mounted on Three shells（20）The rotary cylinder at place（24）, the rotary cylinder（24）Side shaft end pass through first shell（6）Inner cavity is outside Extend, and spline is equipped in its axial end（35）；In each tool heads（2）Side be both provided with auxiliary section（15）, Mei Gepei Conjunction portion（15）By connecting shaft（16）, first bearing（17）And second shell（18）Composition, each first bearing（17）It is socketed In connecting shaft（16）On, each second shell（18）It is wrapped in first bearing（17）, and each connecting shaft（16）A side axle End both passes through second shell（18）Setting, and each connecting shaft（16）Side shaft end inner hollow formed and the spline（35） Matched dowel hole（36）, in each second shell（18）Side be integrally formed at least three clamping blocks（19）, each to block Connect block（19）It can coordinate and be connected in said first shell（6）The buckling groove at place（10）It is interior.

2. three-in-one pneumatic handheld tool according to claim 1, it is characterised in that：The hand-held part（4）It further include peace Mounted in third shell（20）Outside portion by compressing switch（21）, the third shell（20）Place is formed with the second vessel（22）With Three vessels（23）, the rotary cylinder（24）Mounted on the second vessel（22）It is interior, the rotary cylinder（24）Side fix connect Then cylinder head assembly（25）, the other side is fixedly connected bearing mounting base（26）, in the cylinder head assembly（25）It is equipped with With the second vessel（22）The venthole being connected（27）, in the bearing mounting base（26）Second bearing is inside installed（28）, and Above-mentioned spring（33）One end be connected to second bearing（28）On, the rotary cylinder（24）Side shaft end from second bearing （28）It is set out and extends to the first vessel（9）It is interior；The second shell（18）A side be integrally formed admission line （29）, and the admission line（29）Side is connected to intake section（5）, the intake section（5）Including being threaded in air inlet pipe Road（29）On intake interface（30）And it is socketed in intake interface（30）On fixed seat（31）, and the fixed seat（31）Card It is connected on second shell（18）It is interior；In the second shell（18）Third vessel（23）Inside it is also equipped with air control valve（32）, described Air control valve（32）It is arranged in rotary cylinder（24）Side, and the air control valve（32）Spool（34）Stretch out second shell（18） Outside, and positioned at by compressing switch（21）Lower section.