CN208163553U - Multifunctional pneumatic power handheld tool - Google Patents

Abstract

The utility model discloses a kind of Multifunctional pneumatic power handheld tools, by the enforcement division being sequentially connected, hand-held part and intake section composition, the enforcement division includes the first shell and the transmission mechanism that is mounted in the first shell, the first chamber resettling is formed in first shell, first bearing is installed in first chamber resettling, the transmission mechanism includes shift fork, vertically it is socketed in the transmission shaft of one side end face of shift fork, one side end of transmission shaft is extend out to outside the first shell, and the first bearing is socketed on transmission shaft, the ring flange connection component for installing variety classes tool heads is equipped in a side end of the transmission shaft.It the advantage is that：It is additionally provided with the ring flange connection component for installing variety classes tool heads by one end in transmission shaft, to realize the different function operation of same reciprocating handheld tool, also there is easy to carry, long service life, tool heads replace quick feature.

Description

Multifunctional pneumatic power handheld tool

Technical field

The utility model relates to pneumatic tool fields, and in particular to a kind of Multifunctional pneumatic power handheld tool.

Background technique

Existing hand-held reciprocating pneumatic tool is all that output shaft is connected directly with tool heads, and tool heads are in output shaft Bidirectional reciprocating rotary motion is done under drive, however this pneumatic handheld tool function is more single, a general handle only corresponds to A tool heads are housed, when operating personnel removes execute-in-place, it has to while be equipped with more the hand-held work with different function Tool, needed for meeting maintenance, more handheld tools are inconvenient to carry, aggravated the work load of maintenance personal indirectly.

In view of this, special propose the utility model.

Utility model content

A kind of structurally reasonable, use is devised purpose of the utility model is to solve above-mentioned the deficiencies in the prior art The multi-functional reciprocal pneuamtic handheld tool of service life length.

To achieve the goals above, a kind of Multifunctional pneumatic power handheld tool designed by the utility model, by being sequentially connected Enforcement division, hand-held part and intake section composition, the enforcement division include the first shell and the driver that is mounted in the first shell Structure forms the first chamber resettling in first shell, and first bearing, the biography are equipped in first chamber resettling Motivation structure includes shift fork, is vertically socketed in the transmission shaft of one side end face of shift fork, and one side end of transmission shaft is extend out to outside first Outside shell, and the first bearing is socketed on transmission shaft, is equipped in a side end of the transmission shaft for installing variety classes The ring flange connection component of tool heads.

Further, the hand-held part includes second housing and the push switch for being mounted on second housing outside portion, in institute It states and is integrally formed the second chamber resettling and third chamber resettling in second housing, rotation is installed in second chamber resettling Cylinder, the both side ends of the rotary cylinder are fixedly connected first bearing mounting base and second bearing mounting base respectively, in institute It states and second bearing is installed at first bearing mounting base, 3rd bearing is installed at the second bearing mounting base, described Two bearings and 3rd bearing are threaded through respectively on the two sides shaft end of rotary cylinder, and that side axle end for wearing second bearing is stretched Second housing extends in the first shell out, and is also arranged an eccentric wheel and a circlip on it, the eccentric wheel position Between second bearing and circlip, and the side of above-mentioned shift fork and eccentric wheel are cooperatively connected；In one side end of second housing It is formed with admission line, and then mounting head, the installation head thread are screwed in second to one end set of the admission line On shell, the side of the admission line is connected to intake section, and the lower half portion of the intake section is limited by the way that mounting head is fixed Position, is also installed with air control valve, the one of rotary cylinder is arranged in the air control valve in the third chamber resettling of the second housing Side, and the air control valve includes valve seat, spring and the spool being mounted at second housing, one end of the spring is connected to valve seat On, the other end is connected to spool, and a side end of the spool is abutted through second housing to push switch, another side Portion is connected to admission line side, and seals up pipeline opening, and connection described second is also formed at the second housing One end docking of the airflow channel of chamber resettling and third chamber resettling, the airflow channel is arranged in rotary cylinder side.

Further, the intake section includes gas nozzle and casing, and the gas nozzle screw thread is screwed in the side of casing, the set The side screw thread of pipe is screwed on the admission line of second housing, and in then the first sealing of the endface of casing threads section set Circle, first sealing ring is connected at the nozzle of admission line, is also socketed with the second sealing ring in described sleeve pipe, and described the Two sealing rings are located at the first sealing ring side, and second sealing ring is also corresponding is inscribed at a side ports of mounting head.

Further, filtering mesh screen is also equipped in the inner cavity of described sleeve pipe, the filtering mesh screen and stretch in casing Gas nozzle interface dock setting.

Working principle：The tracheae of air pump is connected on gas nozzle, air-flow enters from gas nozzle, flows through casing, and enter to and cover In the admission line of the second housing of pipe docking, under unused state, the side nozzle of admission line by air control valve spool Seal plug then, can be such that spool offsets up, enable admission line and the by the push switch on the outside of pressing second housing at this time Two chamber resettling connect, and air-flow can be delivered to the second chamber resettling from admission line, and be transported to third by airflow channel and hold Set in chamber, the indoor rotary cylinder of third accommodating cavity be placed in driving, be connected to the eccentric wheel of rotary cylinder side shaft end with Rotary cylinder rotation, with eccentric wheel be cooperatively connected shift fork swing under the drive of rotary pneumatic cylinder shaft, be connected to shift fork The transmission shaft of the other side does reciprocating rotation under the action of shift fork driving force, synchronously, the setting in one side end of transmission shaft For installing the ring flange connection component of variety classes tool heads with the reciprocating rotation of transmission shaft.

The Multifunctional pneumatic power handheld tool that the utility model obtains, the advantage is that：By also being set in one end of transmission shaft There is the ring flange connection component for installing variety classes tool heads, to realize that the different function of same reciprocating handheld tool is made Industry, also has easy to carry, long service life, and tool heads replace quick feature.

Detailed description of the invention

Fig. 1 is Multifunctional hand-held tool schematic diagram in embodiment 1；

Fig. 2 is Multifunctional hand-held tool cross-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 partial enlarged view at C in Fig. 2；

In figure：Enforcement division 1, hand-held part 2, intake section 3, the first shell 4, transmission mechanism 5, the first chamber resettling 6, first axle Hold 7, shift fork 8, transmission shaft 9, ring flange connection component 10, second housing 13, push switch 14, the second chamber resettling 15, third Chamber resettling 16, rotary cylinder 17, first bearing mounting base 18, second bearing mounting base 19, second bearing 20,3rd bearing 21, eccentric wheel 22, circlip 23, admission line 24, mounting head 25, air control valve 28, valve seat 29, spring 30, spool 31, airflow channel 32, gas nozzle 33, casing 34, the first sealing ring 35, the second sealing ring 36, filtering mesh screen 37.

Specific embodiment

The present invention will be further described with reference to the accompanying drawings and examples.

Embodiment 1：

As shown in Figs. 1-5, a kind of Multifunctional pneumatic power handheld tool designed by the utility model, by the execution being sequentially connected Portion 1, hand-held part 2 and intake section 3 form, the driver that the enforcement division 1 shell 4 and be mounted in the first shell 4 including first Structure 5 forms the first chamber resettling 6 in first shell 4, is equipped with first bearing 7 in first chamber resettling 6, The transmission mechanism 5 includes shift fork 8, is vertically socketed in the transmission shaft 9 of 8 one side end face of shift fork, 9 one side end of transmission shaft is stretched Out to outside the first shell 4, and the first bearing 7 is socketed on transmission shaft 9, is equipped with and is used in a side end of the transmission shaft 9 In the ring flange connection component 10 of installation variety classes tool heads.

In the present embodiment, the hand-held part 2 includes second housing 13 and the pressing for being mounted on 13 outside portion of second housing Switch 14 is integrally formed the second chamber resettling 15 and third chamber resettling 16 in the second housing 13, holds described second It sets and rotary cylinder 17 is installed in chamber 15, the both side ends of the rotary cylinder 17 are fixedly connected first bearing installation respectively Seat 18 and second bearing mounting base 19, are installed with second bearing 20 at the first bearing mounting base 18, in second axis It holds and 3rd bearing 21 is installed at mounting base 19, the second bearing 20 and 3rd bearing 21 are threaded through rotary cylinder 17 respectively On the shaft end of two sides, and that side axle end for wearing second bearing 20 is stretched out second housing 13 and is extended in the first shell 4, and Also be arranged an eccentric wheel 22 and a circlip 23 thereon, the eccentric wheel 22 between second bearing 20 and circlip 23, And the side of above-mentioned shift fork 8 and eccentric wheel 22 are cooperatively connected；Air inlet pipe is formed in 13 1 side end of second housing Road 24, and then mounting head 25,25 screw thread of mounting head are screwed on second housing 13 one end set of the admission line 24, The side of the admission line 24 is connected to intake section 3, and the lower half portion of the intake section 3 passes through the fixed limit of mounting head 25 Position, is also installed with air control valve 28 in the third chamber resettling 16 of the second housing 13, and the setting of air control valve 28 is rotating The side of cylinder 17, and the air control valve 28 includes valve seat 29, spring 30 and the spool 31 being mounted at second housing 13, it is described One end of spring 30 is connected on valve seat 29, and the other end is connected to spool 31, and a side end of the spool 31 is outside second Shell 13 is abutted to push switch 14, and end side is connected to 24 side of admission line, and seals up pipeline opening, described The airflow channel 32 for being connected to second chamber resettling 15 and third chamber resettling 16, institute are also formed at second housing 13 One end docking for stating airflow channel 32 is arranged in 17 side of rotary cylinder.

In the present embodiment, the intake section 3 includes gas nozzle 33 and casing 34, and 33 screw thread of gas nozzle is screwed in casing 34 Side, the side screw thread of described sleeve pipe 34 is screwed on the admission line 24 of second housing 13, and in 34 thread segment of casing Endface covers then the first sealing ring 35, and first sealing ring 35 is connected at the nozzle of admission line 24, in described sleeve pipe The second sealing ring 36 is also socketed on 34, second sealing ring 36 is located at 35 side of the first sealing ring, and second sealing Circle 36 is also corresponding to be inscribed at a side ports of mounting head 25.

In the present embodiment, the inner cavity of described sleeve pipe 34 be also equipped with filtering mesh screen 37, the filtering mesh screen 37 with stretch Enter to 33 interface of the gas nozzle docking setting in casing 34.

Working principle：The tracheae of air pump is connected on gas nozzle 33, air-flow enters from gas nozzle 33, flows through casing 34, and enter To the admission line 24 of the second housing 13 docked with casing 34, under unused state, the side nozzle of admission line 24 By air control valve 28 31 seal plug of spool then, spool can be made by the push switch 14 in pressing second housing 13 outside at this time 31 offset up, and enable admission line 24 and the second chamber resettling 15 connect, air-flow can be delivered to the second accommodating from admission line 24 Chamber 15, and be transported in third chamber resettling 16 by airflow channel 32, to drive the rotation being placed in third chamber resettling 16 Rotaring cylinder 17 is connected to the eccentric wheel 22 of 17 side shaft end of rotary cylinder as rotary cylinder 17 rotates, cooperates with eccentric wheel 22 The shift fork 8 of connection swings under the drive of 17 axis body of rotary cylinder, is connected to the transmission shaft 9 of 8 other side of shift fork in shift fork 8 Reciprocating rotation is done under the action of driving force, synchronously, setting is used to install variety classes tool in 9 one side end of transmission shaft The ring flange connection component 10 of head does reciprocating turn with transmission shaft 9.

Claims (4)

1. a kind of Multifunctional pneumatic power handheld tool, by the enforcement division being sequentially connected（1）, hand-held part（2）And intake section（3）Composition, It is characterized in that：The enforcement division（1）Including the first shell（4）Be mounted on the first shell（4）Interior transmission mechanism（5）, First shell（4）The first chamber resettling of interior formation（6）, in first chamber resettling（6）First bearing is inside installed （7）, the transmission mechanism（5）Including shift fork（8）, vertically it is socketed in shift fork（8）The transmission shaft of one side end face（9）, the transmission Axis（9）One side end extend out to the first shell（4）Outside, and the first bearing（7）It is socketed in transmission shaft（9）On, in the biography Moving axis（9）A side end be equipped with ring flange connection component for installing variety classes tool heads（10）.

2. Multifunctional pneumatic power handheld tool according to claim 1, it is characterised in that：The hand-held part（2）Including second Shell（13）Be mounted on second housing（13）The push switch of outside portion（14）, in the second housing（13）It is interior integrally formed Second chamber resettling（15）With third chamber resettling（16）, in second chamber resettling（15）Rotary cylinder is inside installed （17）, the rotary cylinder（17）Both side ends be fixedly connected first bearing mounting base respectively（18）It is installed with second bearing Seat（19）, in the first bearing mounting base（18）Place is installed with second bearing（20）, in the second bearing mounting base（19） Place is installed with 3rd bearing（21）, the second bearing（20）And 3rd bearing（21）It is threaded through rotary cylinder respectively（17）Two On side axle end, and for wearing second bearing（20）That side axle end stretch out second housing（13）Extend to the first shell（4）It is interior, And it is also arranged an eccentric wheel on it（22）With a circlip（23）, the eccentric wheel（22）Positioned at second bearing（20）With Circlip（23）Between, and above-mentioned shift fork（8）Side and eccentric wheel（22）It is cooperatively connected；

In the second housing（13）One side end is formed with admission line（24）, and the admission line（24）One end Cover then mounting head（25）, the mounting head（25）Screw thread is screwed in second housing（13）On, the admission line（24）One Side is connected to intake section（3）, and the intake section（3）Lower half portion pass through mounting head（25）Fixed limit, described second Shell（13）Third chamber resettling（16）Air control valve is inside also installed（28）, the air control valve（28）It is arranged in rotary cylinder （17）Side, and the air control valve（28）Including being mounted on second housing（13）The valve seat at place（29）, spring（30）And spool （31）, the spring（30）One end be connected to valve seat（29）On, the other end is connected to spool（31）, the spool（31）One Second housing is run through in side end（13）It abuts to push switch（14）On, end side is connected to admission line（24）One Side, and pipeline opening is sealed up, in the second housing（13）Place is also formed with connection second chamber resettling（15）With Third chamber resettling（16）Airflow channel（32）, the airflow channel（32）One end docking be arranged in rotary cylinder（17）One Side.

3. Multifunctional pneumatic power handheld tool according to claim 1 or 2, it is characterised in that：The intake section（3）Including gas Mouth（33）And casing（34）, the gas nozzle（33）Screw thread is screwed in casing（34）Side, described sleeve pipe（34）Side screw thread It is screwed in second housing（13）Admission line（24）On, and in casing（34）The endface of thread segment covers then the first sealing ring （35）, first sealing ring（35）It is connected to admission line（24）Nozzle at, in described sleeve pipe（34）On be also socketed with Two sealing rings（36）, second sealing ring（36）Positioned at the first sealing ring（35）Side, and second sealing ring（36）Also It is corresponding to be inscribed in mounting head（25）A side ports at.

4. Multifunctional pneumatic power handheld tool according to claim 3, it is characterised in that：In described sleeve pipe（34）Inner cavity also Filtering mesh screen is installed（37）, the filtering mesh screen（37）With stretch to casing（34）Interior gas nozzle（33）Interface docking setting.