CN204277893U - A kind of one-hand operation completes the pneumatic impact spanner that several functions switches - Google Patents
A kind of one-hand operation completes the pneumatic impact spanner that several functions switches Download PDFInfo
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- CN204277893U CN204277893U CN201420674829.5U CN201420674829U CN204277893U CN 204277893 U CN204277893 U CN 204277893U CN 201420674829 U CN201420674829 U CN 201420674829U CN 204277893 U CN204277893 U CN 204277893U
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Abstract
The utility model relates to the pneumatic impact spanner that a kind of one-hand operation completes several functions switching, comprises housing, strike group, groups of motors, bonnet, just reverses button, air inlet push rod, flow speed control valve, just reverses valve etc.; Strike group, groups of motors are connected successively and are placed in the large endoporus of housing; Housing rear end face is provided with air discharge duct A, rotates forward air drain A, reversion air drain A and bonnet end face rotates forward air drain B, the air drain B that reverses is corresponding; Bonnet end face rotates forward air drain B, reversion air drain B rotates forward air drain C with groups of motors again, the air drain C that reverses is corresponding; Just reversing in the middle of button and be provided with a draw-in groove, just reversing button and be positioned in housing long slot bore, reversing button by pressing positive pressure, draw-in groove is stirred and is just reversed the just reverse switching that valve realizes spanner; Air inlet push rod penetrates in flow speed control valve, and the traversing through end of air inlet push rod is inserted in trigger endoporus, by making air inlet push rod promote to hold one's breath assembly by trigger squeeze, thus realizes the air inlet running of spanner.
Description
Technical field
The utility model relates to pneumatic impact spanner field of tool, and particularly a kind of one-hand operation completes the pneumatic impact spanner that several functions switches.
Background technology
The operation principle of pneumatic impact spanner be compressed air pass through to hold one's breath mechanism, speed adjusting gear, just enter cylinder against mechanism, promote blade rotor driven to rotate, thus make striking mechanism produce moment high-octane alternating shock load, because its moment of torsion exports large, safety in utilization is good, is widely used in the screw mounting or dismounting occasion such as assembling line, maintenance place.
Traditional pneumatic impact spanner is generally divided into two classes: the first kind is speed governing, just against mechanism's distance trigger comparatively far, when spanner carries out speed governing or just reversing switching, operating personnel must bimanualness.Equations of The Second Kind is speed governing, positive reversing gearbox is positioned near trigger, just reversing to switch and realized by action bars rotary oscillation, be known as the spanner of one-hand operation, but carefully analyze, because action bars can have influence on the grasping of handle, so action bars can only be positioned at the side of spanner, the side of close thumb after general operation bar is positioned at and holds pneumatic impact spanner, the conversion just reversed realizing pneumatic impact spanner is stirred in use by thumb, according to the use habit of operator, the spanner of a right hand use cannot realize left hand one-handed performance, because its switch operation bar of spanner that the right hand uses is stirred by thumb, but after holding pneumatic impact spanner by left hand, switch operation bar will be positioned at that side of palm, thumb cannot complete switch operation, if that is pneumatic impact spanner is in order to realize one-handed performance, a left side must be designed to, right two kinds of different structures, soly bring a lot of inconvenience to sales force and buyer.
Therefore, traditional pneumatic impact spanner exists and one-handed performance all functions and the operating personnel that cannot realize different handedness (left-handed operation or right-hand operated) all cannot jointly can use the defect of same spanner.
Utility model content
Technical problem to be solved in the utility model is by each mechanism structure of Optimal improvements pneumatic impact spanner, realization adopts push button to switch and just reverses operation, and a kind of one-hand operation of the operating personnel of different handedness equal energy one-handed performance all functions can be allowed to complete the pneumatic impact spanner of several functions switching.
For solving the problems of the technologies described above, the utility model realizes as follows: the pneumatic impact spanner that a kind of one-hand operation described in the utility model completes several functions switching comprises housing, strike group, groups of motors, bonnet, bonnet paper washer, assembly of holding one's breath, packing ring of holding one's breath, just reverses button, air inlet push rod, flow speed control valve, just reverses valve, speed governing knob, trigger, gear spring A, steel ball A, sealing ring A, hollow pins A, gear spring B, steel ball B, sealing ring B, hollow pins B, screw, screw, spring washer; In the handle air admission hole of described housing, pressure one is held one's breath packing ring, and assembly of holding one's breath is by pipe joint locking in handle air admission hole, and nature is normally closed; Described strike group, groups of motors are connected successively and are placed in the large endoporus of housing, and groups of motors, strike group are closed in housing by screw, spring washer by bonnet, and housing and bonnet centre are provided with bonnet paper washer and seal; Housing rear end face is provided with air discharge duct A, rotates forward air drain A, reversion air drain A and bonnet end face rotates forward air drain B, the air drain B that reverses is corresponding; Bonnet end face rotates forward air drain B, reversion air drain B rotates forward air drain C with groups of motors again, the air drain C that reverses is corresponding; Housing front is provided with just against regulating module installing hole, just above regulating module installing hole, is provided with a long slot bore; Described just reverse in the middle of button is provided with a draw-in groove, is just reversing button and is being positioned in housing long slot bore, reverses button by pressing positive pressure, and draw-in groove is stirred and just reversed the just reverse switching that valve realizes spanner; Just reverse valve cylindrical and be provided with radial hole A, flow speed control valve cylindrical is provided with three radial hole B not of uniform size, flow speed control valve penetrates and just reverses valve endoporus, flow speed control valve traversing through end is inserted in speed governing knob, make just to reverse valve radial hole A with flow speed control valve radial hole B produces dislocation by rotating speed governing knob, thus control throughput realizes the speed governing of spanner; Air inlet push rod penetrates in flow speed control valve, and the traversing through end of air inlet push rod is inserted in trigger endoporus, by making air inlet push rod promote to hold one's breath assembly by trigger squeeze, thus realizes the air inlet running of spanner.
Described housing rear end face is provided with air discharge duct A, and air discharge duct A is communicated with below large endoporus; Before housing air discharge duct A bores an exhaust inclined hole and housing, Founder is through against regulating module installing hole, housing handle place steam vent; Housing air discharge duct A both sides is provided with and rotates forward air drain A, reversion air drain A, and after assembling, this air drain is communicated with the rotating forward air drain B on bonnet end face, the air drain B that reverses respectively; Housing handle place is provided with air admission hole, and air admission hole is with just through bottom regulating module installing hole; Housing is just being provided with and is rotating forward inclined hole, reversion inclined hole in regulating module installing hole, and rotate forward inclined hole from through to rotating forward air drain A outside housing handle, reversion inclined hole is in like manner through to reversion air drain A, and handle side wall rotates forward fabrication hole, reversion fabrication hole is provided with plug and holds one's breath; Housing is just provided with an orthogonal through long slot bore above regulating module installing hole, is provided with a stopper slot A above installing hole aperture, is provided with two V-type grooves and an orthogonal through spacing hole below installing hole aperture.
Described bonnet end face is provided with and rotates forward air drain B, reversion air drain B, air discharge duct B; After assembling, bonnet rotates forward air drain B, reversion air drain B rotates forward air drain A respectively with housing, the air drain A that reverses rotates forward air drain C with groups of motors, the air drain C that reverses is communicated with, and is provided with the sealing of bonnet paper washer each other.
The described valve shaft heart that just reversing is provided with inner bore of step A, inner bore of step B, endoporus A; Just reversing valve cylindrical be provided with radial hole A, air discharge duct C, stopper slot B, just against gear hole and triangle boss; Just reverse valve front end and be provided with speed governing gear hole; Just reversing valve and be loaded on housing just against in regulating module installing hole, housing spacing hole is squeezed into hollow pins B and is made just to reverse valve and can not be blown out housing by compressed air; Gear spring B, steel ball B are positioned over just against in gear hole, with the V-type slot fit of housing, can precisely control just to reverse gear; Just reversing valve triangle boss and be positioned at housing stopper slot A, preventing just reversing valve regulation and cross shelves; Just reversing in valve front end speed governing gear hole and placing gear spring A and steel ball A, coordinating with speed governing knob end face heavy stand hole B, can precisely control speed governing gear; When just reverse valve radial hole A and housing reverse inclined hole or rotate forward inclined hole be communicated with time, housing rotates forward inclined hole or reversion inclined hole and just reverses valve exhaust groove C and be communicated with.
The described button that just reversing is strip, is just reversing middle, button side and is being provided with a draw-in groove; Just reversing button is positioned in housing long slot bore, middle draw-in groove with just reverse valve triangle boss and coordinate, reverse button middle draw-in groove is stirred just reverse valve triangle boss by pressing positive pressure, thus make just to reverse valve and produce rotation; When just snapping in the V-type groove of housing against the steel ball B in gear hole under the effect of gear spring B, just reversing valve cylindrical radial hole A and just to reverse with housing inclined hole or rotate forward inclined hole and be communicated with, thus the just reverse realizing spanner switching.
Described flow speed control valve axle center is provided with inner bore of step C, endoporus B; Flow speed control valve cylindrical is divided into three sections, and segment cylindrical is provided with heavy stand hole A, and stage casing cylindrical is provided with three radial hole B not of uniform size; Flow speed control valve penetrates and just reverses valve endoporus A, and its large section of cylindrical is locked to and just reverses valve inner bore of step A, prevents flow speed control valve from being blown out by Compressed Gas, and its segment cylindrical is equipped with sealing ring A and can be sealed and matched with just reversing valve inner bore of step B.
Described speed governing knob cylindrical is provided with anti-slip veins and radial screw, and an end face is provided with three heavy stand hole B, and the other end is provided with gear and indicates; Speed governing knob endoporus coordinates with flow speed control valve traversing through end, screw screws in outer circle diameter and hold out against flow speed control valve heavy stand hole A in screw, make speed governing knob become as a whole with flow speed control valve, now three heavy stand hole B of speed governing knob end face and flow speed control valve cylindrical three radial hole B form an angle relation; Rotate by stirring speed governing knob, flow speed control valve is driven and rotates together, when going to the steel ball A just reversed in valve front end speed governing gear hole and snap in speed governing knob end face heavy stand hole B under gear spring A effect, the flow speed control valve cylindrical radial hole B corresponding with speed governing knob heavy stand hole B just with just reverse valve radial hole A and be communicated with, thus control the speed governing that throughput realizes spanner.
Described air inlet push rod cylindrical is divided into two sections, and little cylindrical is provided with seal groove and pin-and-hole A; Air inlet push rod penetrates in flow speed control valve, and large cylindrical and flow speed control valve inner bore of step C leave air chamber and be stuck in flow speed control valve inner bore of step C, prevent air inlet push rod from being blown out by compressed air; Little cylindrical is equipped with sealing ring B and can be sealed and matched with flow speed control valve endoporus B; Air inlet push rod traversing through end is inserted in trigger endoporus, and hollow pins A squeezes into from trigger side surface pin-hole B, runs through air inlet top lever pin hole A until trigger pin-and-hole B another side place, makes air inlet push rod become as a whole start with trigger; When pressing trigger squeeze, the intake valve of holding one's breath in assembly pushed open by air inlet push rod with trigger start, realize spanner running, when removal Trigger pull, because of under the effect of the back-moving spring in assembly of holding one's breath, air inlet push rod is promoted lower reset by intake valve, and intake valve recovers with packing ring of holding one's breath state of holding one's breath, and now spanner decommissions.
Good effect of the present utility model:
1, this pneumatic impact spanner is by each mechanism structure of Optimal improvements, and trigger post rod mechanism, speed adjusting gear and positive reversing gearbox are optimized integration, realizes the start-stop of operating personnel's one-hand operation spanner, speed governing, just reverses the function of switching;
2, the positive reversing gearbox of this pneumatic impact spanner abandons traditional rotary action bars, and adopt push button to switch and just reverse, the operating personnel realizing different handedness all can use same spanner jointly;
3, this pneumatic impact spanner is by the Optimal improvements to each mechanism, make air passage structure more compact, thus compressed air reduces in the energy loss of spanner internal transmission, economize energy more.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is decomposition texture schematic diagram of the present utility model
Fig. 2 is decomposition texture schematic diagram of the present utility model
Fig. 3 is the rearview of housing
Fig. 4 is the A-A sectional view of housing
Fig. 5 is the B-B sectional view of housing
Fig. 6 is the C-C sectional view of housing
Fig. 7 is the D-D sectional view of housing
Fig. 8 is exploded structural representation of the present utility model
Fig. 9 is exploded structural representation of the present utility model
Figure 10 is the structural representation just reversing valve
Figure 11 is the structural representation just reversing valve
Figure 12 is the internal view just reversing valve
Figure 13 is partial assembled schematic diagram of the present utility model
Figure 14 is partial assembled schematic diagram of the present utility model
Figure 15 is partial assembled schematic diagram of the present utility model
Figure 16 is the structural representation of flow speed control valve
Figure 17 is the structural representation of flow speed control valve
Figure 18 is the structural representation of flow speed control valve
Figure 19 is the structural representation of speed governing knob
Figure 20 is the structural representation of speed governing knob
Figure 21 is the structural representation of speed governing knob
Figure 22 is the operating position structural representation of air inlet push rod and trigger
Figure 23 is the operating position structural representation of air inlet push rod and trigger
Figure 24 is the structural representation of air inlet push rod
Figure 25 is the structural representation of trigger
Figure 26 is the structural representation of trigger
Figure 27 is reversion intake process gas flow schematic diagram
Figure 28 is reversion exhaust process portion flowing schematic diagram
Figure 29 is all the other exhaust-gas flow schematic diagrames of reversion exhaust process
Sleeve have to wear a hollow shell on the umbrella handle upper openings fit inside edge department have to buckle for umbrella handle chimeric department and ii must be a limit of the position limit of the spacing between sections and slipping and moving, the sleeve moves down the fit to drive parts move card stopper in the second position limit, make the umbrella handle stretch at a suitable period of sleeve outside, umbrella handles formed between the sleeve and handed over to the wrong, the umbrella handle bottom side and the bottom of the sleeve can receive form to receive a space for umbrella bags, fit the socket pushed up against the drive part to limit the top section of the top edge to make it fit department, at the same time from the second position limit department card stopper and displacement and first must have a limit of chimeric positioning card stopper, make the umbrella handle to receive into the sleeve compression space, and then make the buckle for positioning column cover-plate stopper buckle from the card, can open sleeve cover-plate use umbrella bag, give up to make available the sleeve buckles department activities limited in the umbrella handle upper roof edge the first must have a limit and the second position within the limit of the spacing between the section displacement and transform the sleeve with the umbrella handle chimeric department orientation, make the sleeve goes down can form receive a space to receive an umbrella bag, up to the top flange remoable umbrella bag reverse coated closed folding umbrella bundle junction.
Detailed description of the invention
As shown in Figures 1 to 9, the utility model realizes as follows: the pneumatic impact spanner that a kind of one-hand operation described in the utility model completes several functions switching comprises housing (16), strike group (17), groups of motors (18), bonnet (20), bonnet paper washer (19), to hold one's breath assembly (24), to hold one's breath packing ring (23), just reversing button (15), air inlet push rod (13), flow speed control valve (11), just reversing valve (7), speed governing knob (4), trigger (1), gear spring A (6), steel ball A (5), sealing ring A (10), hollow pins A (2), gear spring B (8), steel ball B (9), sealing ring B (12), hollow pins B (14), screw (3), screw (22), spring washer (21), in the handle air admission hole (40) of described housing (16), pressure one is held one's breath packing ring (23), assembly (24) of holding one's breath lock onto in handle air admission hole (40) by pipe joint (24-3), and nature is normally closed, described strike group (17), groups of motors (18) are connected successively and are placed in the large endoporus (37) of housing (16), groups of motors (18), strike group (17) are closed in housing (16) by screw (22), spring washer (21) by bonnet (20), and housing (16) is provided with bonnet paper washer (19) with bonnet (20) centre and seals, housing (16) rear end face is provided with air discharge duct A (25), rotates forward air drain A (26), reversion air drain A (27) rotates forward air drain B (28) with on bonnet (20) end face, the air drain B (29) that reverses is corresponding, bonnet (20) end face rotates forward air drain B (28), reversion air drain B (29) rotates forward air drain C (30) with groups of motors (18) again, the air drain C (31) that reverses is corresponding, housing (16) front is provided with just against regulating module installing hole (32), is just provided with a long slot bore (33) against regulating module installing hole (32) top, as shown in Figure 14 to Figure 21, the just reverse button (15) that centre is provided with a draw-in groove (34) is positioned in housing (16) long slot bore (33), reverse button (15) by pressing positive pressure, draw-in groove (34) is stirred and is just reversed the just reverse switching that valve (7) realizes spanner, just reverse valve (7) cylindrical and be provided with radial hole A (35), flow speed control valve (11) cylindrical is provided with three radial hole B (36) not of uniform size, flow speed control valve (11) penetrates and just reverses valve (7) endoporus, flow speed control valve (11) traversing through end is inserted in speed governing knob (4), make just to reverse valve (7) radial hole A (35) by rotation speed governing knob (4) and produce dislocation with flow speed control valve (11) radial hole B (36), thus control the speed governing that throughput realizes spanner, air inlet push rod (13) penetrates in flow speed control valve (11), the traversing through end of air inlet push rod (13) is inserted in trigger endoporus (73), by making air inlet push rod (13) promote to hold one's breath assembly (24) by trigger squeeze (1), thus realize the air inlet running of spanner.
As shown in Figures 3 to 8, described housing (16) rear end face is provided with air discharge duct A (25), and air discharge duct A (25) is communicated with large endoporus (37) below; It is through against regulating module installing hole (32), housing (16) handle place steam vent (39) with housing (16) front Founder that housing (16) air discharge duct A (25) bores exhaust inclined hole (38); Housing (16) air discharge duct A (25) both sides is provided with and rotates forward air drain A (26), reversion air drain A (27), after assembling, this air drain is communicated with the rotating forward air drain B (28) on bonnet (20) end face, the air drain B (29) that reverses respectively; Housing (16) handle place is provided with air admission hole (40), and air admission hole (40) is with just through against regulating module installing hole (32) bottom; Housing (16) is just being provided with and is rotating forward inclined hole (41), reversion inclined hole (42) in regulating module installing hole (32), rotate forward inclined hole (41) through to rotating forward air drain A (26) outside housing (16) handle, reversion inclined hole (42) is in like manner through to reversion air drain A (27), and handle side wall rotates forward fabrication hole (43), reversion fabrication hole (44) is provided with plug (45) and holds one's breath; Housing (16) is just provided with an orthogonal through long slot bore (33) against regulating module installing hole (32) top, be provided with a stopper slot A (46) above installing hole (32) aperture, below installing hole (32) aperture, be provided with two V-type grooves (47) and an orthogonal through spacing hole (48).
As shown in Figure 8, Figure 9, described bonnet (20) end face is provided with and rotates forward air drain B (28), reversion air drain B (29), air discharge duct B (49); After assembling, bonnet (20) rotates forward air drain B (28), reversion air drain B (29) rotates forward air drain A (26) with housing (16) respectively, the air drain A (27) that reverses rotates forward air drain C (30) with groups of motors (18), the air drain C (31) that reverses is communicated with, and is provided with bonnet paper washer (19) sealing each other.
As shown in Figure 10 to Figure 15, described valve (7) axle center of just reversing is provided with inner bore of step A (50), inner bore of step B (51), endoporus A (52); Just reversing valve (7) cylindrical be provided with radial hole A (35), air discharge duct C (53), stopper slot B (54), just against gear hole (55) and triangle boss (56); Just reverse valve (7) front end and be provided with speed governing gear hole (57); Just reversing valve (7) and be loaded on housing (16) just against in regulating module installing hole (32), housing (16) spacing hole (48) is squeezed into hollow pins B (14) and is made just to reverse valve (7) and can not be blown out housing (16) by compressed air; Gear spring B (8), steel ball B (9) are positioned over just against in gear hole (55), coordinate with housing (16) V-type groove (47), can precisely control just to reverse gear; Just reversing valve (7) triangle boss (56) and be positioned at housing (16) stopper slot A (46), preventing from just reversing valve (7) adjusted shelves; Just reversing in valve (7) front end speed governing gear hole (57) and placing gear spring A (6) and steel ball A (5), coordinate with speed governing knob (4) end face heavy stand hole B (58), can precisely control speed governing gear; When just reverse valve (7) radial hole A (35) and housing (16) reverse inclined hole (42) or rotate forward inclined hole (41) be communicated with time, housing (16) rotates forward inclined hole (41) or reversion inclined hole (42) and just reverses valve (7) air discharge duct C (53) and be communicated with.
As shown in Figure 14, Figure 15, the described button (15) that just reversing is strip, is just reversing button (15) middle, side and is being provided with a draw-in groove (34), just reversing button (15) is positioned in housing (16) long slot bore (33), middle draw-in groove (34) with just reverse valve (7) triangle boss (56) and coordinate, reverse button (15) middle draw-in groove (34) is stirred just reverse valve (7) triangle boss (56) by pressing positive pressure, thus make just to reverse valve (7) generation rotation, when just snapping in housing (16) V-type groove (47) against the steel ball B (9) in gear hole (55) under the effect of gear spring B (8), just reversing valve (7) cylindrical radial hole A (35) just to reverse with housing (16) inclined hole (42) or rotate forward inclined hole (41) and be communicated with, thus the just reverse realizing spanner switches.
As shown in Figure 16 to Figure 19, described flow speed control valve (11) axle center is provided with inner bore of step C (59), endoporus B (60); Flow speed control valve (11) cylindrical is divided into three sections, and segment cylindrical (62) is provided with heavy stand hole A (61), and stage casing cylindrical (63) is provided with three radial hole B (36) not of uniform size; Flow speed control valve (11) penetrates and just reverses valve (7) endoporus A (52), its large section of cylindrical (64) is locked to just reverses valve (7) inner bore of step A (52), prevent flow speed control valve (11) from being blown out by Compressed Gas, its segment cylindrical (62) is equipped with sealing ring A (10) and can be sealed and matched with just reversing valve (7) inner bore of step B (60).
As shown in Figure 19 to Figure 21, described speed governing knob (4) cylindrical is provided with anti-slip veins (65) and radial screw (66), one end face is provided with three heavy stand holes B (58), and the other end is provided with gear and indicates (67); Speed governing knob (4) endoporus coordinates with flow speed control valve (11) traversing through end, screw (3) to screw in outer circle diameter to holding out against flow speed control valve (11) heavy stand hole A (61) in screw (66), make speed governing knob (4) become as a whole with flow speed control valve (11), now three heavy stand holes B (58) and flow speed control valve (11) cylindrical three radial hole B (36) of speed governing knob (4) end face form an angle relation; Rotate by stirring speed governing knob (4), flow speed control valve (11) is driven and rotates together, when just reversing the steel ball A (5) in valve (7) front end speed governing gear hole (57) and snap in speed governing knob end face heavy stand hole B (58) under gear spring A (6) effect, flow speed control valve (11) the cylindrical radial hole B (36) corresponding with speed governing knob (4) heavy stand hole B (58) just with just reverse valve (7) radial hole A (35) and be communicated with, thus control the speed governing that throughput realizes spanner.
As shown in Figure 22 to Figure 26, described air inlet push rod (13) cylindrical is divided into two sections, and little cylindrical (68) is provided with seal groove (70) and pin-and-hole A (71); Air inlet push rod (13) penetrates in flow speed control valve (11), large cylindrical (69) and flow speed control valve (11) inner bore of step C (59) leave air chamber (72) and are stuck in flow speed control valve (11) inner bore of step C (59), prevent air inlet push rod (13) from being blown out by compressed air; Little cylindrical (68) is equipped with sealing ring B (12) and can be sealed and matched with flow speed control valve (11) endoporus B (60); Air inlet push rod (13) traversing through end is inserted in trigger endoporus (73), hollow pins A (2) squeezes into from trigger (1) side surface pin-hole B (74), run through air inlet push rod (13) pin-and-hole A (71) until trigger (1) pin-and-hole B (74) another side place, make air inlet push rod (13) become as a whole start with trigger; When pressing trigger squeeze (1), the intake valve (24-1) in assembly of holding one's breath (24) pushed open by air inlet push rod (13) with trigger (1) start, realize spanner running, when removal trigger (1) pressure, because of under the effect of the middle back-moving spring (24-2) of assembly of holding one's breath (24), air inlet push rod (13) is promoted lower reset by intake valve (24-1), intake valve (24-1) recovers with packing ring (23) of holding one's breath state of holding one's breath, and now spanner decommissions.
Figure 27 to Figure 29 be depicted as to a kind of one-hand operation described in the utility model complete several functions switch pneumatic impact spanner work time gas flowing explanation:
1. intake process, compressed air is by assembly of holding one's breath (24), packing ring (23) of holding one's breath enters in housing (16), by air chamber (72) by way of flow speed control valve (11) radial hole B (36), just reversing valve (7) radial hole A (35), housing (16) reversion inclined hole (42) is to housing (16) reversion air drain A (27), again through bonnet paper washer (19), bonnet (20) reversion air drain B (29), groups of motors (18) reversion air drain C (31) enters groups of motors (18), groups of motors (18) is made to drive strike group (17) to realize rotating counterclockwise,
2. exhaust process is divided into two parts:
A). portion is discharged from motor (18) steam vent (75), housing (16) is entered just against in regulating module installing hole (32) through housing (16) air discharge duct A (25), housing (16) exhaust inclined hole (38), pile warp is just reversing valve (7) air discharge duct C (53), enters housing (16) handle steam vent (39) and discharges extraneous;
B). all the other waste gas rotate forward air drain C (30) from groups of motors (18) and discharge, enter bonnet (20) by bonnet paper washer (19) and rotate forward air drain B (28), housing (16) rotating forward air drain A (26), housing (16) rotating forward inclined hole (41), housing (16) just against in regulating module installing hole (32), pile warp is just reversing valve (7) air discharge duct C (53), then enters housing (16) handle steam vent (39) and discharges extraneous; Compressed air continues to flow through above-mentioned path, can realize the work of spanner continuous rotation, and as switched rotating forward work, only need press positive pressure and reverse button (15) and make it toward opposite side start, operation principle is the same.
A kind of one-hand operation that the utility model that just explains through diagrams recited above is correlated with completes some the 26S Proteasome Structure and Function principles of the pneumatic impact spanner that several functions switches, be easy to carry out some amendments on this basis due to the technical staff concerning constructed field, gear is revised as than just reverse valve (7) triangle boss (56) as will be described, in the middle of described just reverse button (15), draw-in groove (34) is revised as tooth bar, described just reverse valve (7) and housing (16) just increase a similar lining part between regulating module installing hole (32), described just reverse valve (7) cylindrical increases some sealing rings and coordinates etc.Therefore this description is not really wanted a kind of one-hand operation described in the utility model to complete the pneumatic impact spanner that several functions switches and is confined in shown or described concrete mechanism and the scope of application; therefore every corresponding modify that may be utilized and equivalent, all belong to the protection domain of the utility model patent.
Claims (8)
1. one-hand operation completes the pneumatic impact spanner that several functions switches, and it is characterized in that: comprise housing, strike group, groups of motors, bonnet, bonnet paper washer, assembly of holding one's breath, packing ring of holding one's breath, just reverse button, air inlet push rod, flow speed control valve, just reverse valve, speed governing knob, trigger, gear spring A, steel ball A, sealing ring A, hollow pins A, gear spring B, steel ball B, sealing ring B, hollow pins B, screw, screw, spring washer; In the handle air admission hole of described housing, pressure one is held one's breath packing ring, and assembly of holding one's breath is by pipe joint locking in handle air admission hole, and nature is normally closed; Described strike group, groups of motors are connected successively and are placed in the large endoporus of housing, and groups of motors, strike group are closed in housing by screw, spring washer by bonnet, and housing and bonnet centre are provided with bonnet paper washer and seal; Housing rear end face is provided with air discharge duct A, rotates forward air drain A, reversion air drain A and bonnet end face rotates forward air drain B, the air drain B that reverses is corresponding; Bonnet end face rotates forward air drain B, reversion air drain B rotates forward air drain C with groups of motors again, the air drain C that reverses is corresponding; Housing front is provided with just against regulating module installing hole, just above regulating module installing hole, is provided with a long slot bore; Described just reverse in the middle of button is provided with a draw-in groove, is just reversing button and is being positioned in housing long slot bore, presses positive pressure and reverses button, and draw-in groove is stirred and just reversed the just reverse switching that valve realizes spanner; Just reverse valve cylindrical and be provided with radial hole A, flow speed control valve cylindrical is provided with three radial hole B not of uniform size, flow speed control valve penetrates and just reverses valve endoporus, flow speed control valve traversing through end is inserted in speed governing knob, rotate speed governing knob and make just to reverse valve radial hole A with flow speed control valve radial hole B produces dislocation, thus control throughput realizes the speed governing of spanner; Air inlet push rod penetrates in flow speed control valve, and the traversing through end of air inlet push rod is inserted in trigger endoporus, makes air inlet push rod promote to hold one's breath assembly by trigger squeeze, realizes the air inlet running of spanner.
2. a kind of one-hand operation according to claim 1 completes the pneumatic impact spanner that several functions switches, and it is characterized in that: described housing rear end face is provided with air discharge duct A, air discharge duct A is communicated with below large endoporus; Before housing air discharge duct A bores an exhaust inclined hole and housing, Founder is through against regulating module installing hole, housing handle place steam vent; Housing air discharge duct A both sides is provided with and rotates forward air drain A, reversion air drain A, and after assembling, this air drain is communicated with the rotating forward air drain B on bonnet end face, the air drain B that reverses respectively; Housing handle place is provided with air admission hole, and air admission hole is with just through bottom regulating module installing hole; Housing is just being provided with and is rotating forward inclined hole, reversion inclined hole in regulating module installing hole, and rotate forward inclined hole from through to rotating forward air drain A outside housing handle, reversion inclined hole is through to reversion air drain A, and handle side wall rotates forward fabrication hole, reversion fabrication hole is provided with plug and holds one's breath; Housing is just provided with an orthogonal through long slot bore above regulating module installing hole, is provided with a stopper slot A above installing hole aperture, is provided with two V-type grooves and an orthogonal through spacing hole below installing hole aperture.
3. a kind of one-hand operation according to claim 1 completes the pneumatic impact spanner that several functions switches, and it is characterized in that: described bonnet end face is provided with and rotates forward air drain B, reversion air drain B, air discharge duct B; After assembling, bonnet rotates forward air drain B, reversion air drain B rotates forward air drain A respectively with housing, the air drain A that reverses rotates forward air drain C with groups of motors, the air drain C that reverses is communicated with, and is provided with the sealing of bonnet paper washer each other.
4. a kind of one-hand operation according to claim 1 completes the pneumatic impact spanner that several functions switches, and it is characterized in that: the described valve shaft heart that just reversing is provided with inner bore of step A, inner bore of step B, endoporus A; Just reversing valve cylindrical be provided with radial hole A, air discharge duct C, stopper slot B, just against gear hole and triangle boss; Just reverse valve front end and be provided with speed governing gear hole; Just reversing valve and be loaded on housing just against in regulating module installing hole, housing spacing hole squeezes into hollow pins B; Gear spring B, steel ball B are positioned over just against in gear hole, with the V-type slot fit of housing; Just reverse valve triangle boss and be positioned at housing stopper slot A; Just reversing in valve front end speed governing gear hole and placing gear spring A and steel ball A, coordinating with speed governing knob end face heavy stand hole B; Just reversing valve radial hole A and housing to reverse inclined hole or rotate forward inclined hole when being communicated with, housing is rotating forward inclined hole or reversion inclined hole and just reverse valve exhaust groove C and be communicated with.
5. a kind of one-hand operation according to claim 1 completes the pneumatic impact spanner that several functions switches, and it is characterized in that: the described button that just reversing is strip, is just reversing middle, button side and is being provided with a draw-in groove; Just reversing button is positioned in housing long slot bore, middle draw-in groove with just reverse valve triangle boss and coordinate, reverse button middle draw-in groove is stirred just reverse valve triangle boss, make just to reverse valve and produce rotation by pressing positive pressure; When just snapping in the V-type groove of housing against the steel ball B in gear hole under the effect of gear spring B, just reversing valve cylindrical radial hole A and just to reverse with housing inclined hole or rotate forward inclined hole and be communicated with, the just reverse realizing spanner switches.
6. a kind of one-hand operation according to claim 1 completes the pneumatic impact spanner that several functions switches, and it is characterized in that: the axle center of described flow speed control valve is provided with inner bore of step C, endoporus B; Flow speed control valve cylindrical is divided into three sections, and segment cylindrical is provided with heavy stand hole A, and stage casing cylindrical is provided with three radial hole B not of uniform size; Flow speed control valve penetrates and just reverses valve endoporus A, and its large section of cylindrical is locked to and just reverses valve inner bore of step A, and its segment cylindrical is equipped with sealing ring A and can be sealed and matched with just reversing valve inner bore of step B.
7. a kind of one-hand operation according to claim 1 completes the pneumatic impact spanner that several functions switches, and it is characterized in that: described speed governing knob cylindrical is provided with anti-slip veins and radial screw, an end face is provided with three heavy stand hole B, and the other end is provided with gear and indicates; Speed governing knob endoporus coordinates with flow speed control valve traversing through end, screw screws in outer circle diameter and hold out against flow speed control valve heavy stand hole A in screw, make speed governing knob become as a whole with flow speed control valve, three heavy stand hole B and flow speed control valve cylindrical three radial hole B of speed governing knob end face form an angle; When the steel ball A just reversed in valve front end speed governing gear hole snaps in speed governing knob end face heavy stand hole B under gear spring A effect, the flow speed control valve cylindrical radial hole B corresponding with speed governing knob heavy stand hole B just with just reverse valve radial hole A and be communicated with.
8. a kind of one-hand operation according to claim 1 completes the pneumatic impact spanner that several functions switches, and it is characterized in that: described air inlet push rod cylindrical is divided into two sections, and little cylindrical is provided with seal groove and pin-and-hole A; Air inlet push rod penetrates in flow speed control valve, and large cylindrical and flow speed control valve inner bore of step C leave air chamber and be stuck in flow speed control valve inner bore of step C; Little cylindrical is equipped with sealing ring B and can be sealed and matched with flow speed control valve endoporus B; Air inlet push rod traversing through end is inserted in trigger endoporus, and hollow pins A squeezes into from trigger side surface pin-hole B, runs through air inlet top lever pin hole A until trigger pin-and-hole B another side place, makes air inlet push rod become as a whole start with trigger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420674829.5U CN204277893U (en) | 2014-11-13 | 2014-11-13 | A kind of one-hand operation completes the pneumatic impact spanner that several functions switches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420674829.5U CN204277893U (en) | 2014-11-13 | 2014-11-13 | A kind of one-hand operation completes the pneumatic impact spanner that several functions switches |
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| Publication Number | Publication Date |
|---|---|
| CN204277893U true CN204277893U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420674829.5U Expired - Fee Related CN204277893U (en) | 2014-11-13 | 2014-11-13 | A kind of one-hand operation completes the pneumatic impact spanner that several functions switches |
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| CN (1) | CN204277893U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104842310A (en) * | 2015-06-05 | 2015-08-19 | 上海英格索兰压缩机有限公司 | Integrated adjusting valve |
| CN111590525A (en) * | 2019-02-21 | 2020-08-28 | 美之岚机械工业有限公司 | Ergonomic starting tool for forward and reverse rotation of air-floating button |
| TWI771034B (en) * | 2021-06-03 | 2022-07-11 | 朝程工業股份有限公司 | One-handed power tool for reversing |
| AU2021203391B2 (en) * | 2020-06-22 | 2022-11-10 | Snap-On Incorporated | Reversing mechanism for a power tool |
| TWI799088B (en) * | 2022-01-18 | 2023-04-11 | 冠億齒輪股份有限公司 | Adjustable grips for power tools |
-
2014
- 2014-11-13 CN CN201420674829.5U patent/CN204277893U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104842310A (en) * | 2015-06-05 | 2015-08-19 | 上海英格索兰压缩机有限公司 | Integrated adjusting valve |
| CN111590525A (en) * | 2019-02-21 | 2020-08-28 | 美之岚机械工业有限公司 | Ergonomic starting tool for forward and reverse rotation of air-floating button |
| CN111590525B (en) * | 2019-02-21 | 2023-02-24 | 美之岚机械工业有限公司 | Ergonomic starting tool for forward and reverse rotation of air-floating button |
| AU2021203391B2 (en) * | 2020-06-22 | 2022-11-10 | Snap-On Incorporated | Reversing mechanism for a power tool |
| US11541525B2 (en) | 2020-06-22 | 2023-01-03 | Snap-On Incorporated | Reversing mechanism for a power tool |
| GB2612172A (en) * | 2020-06-22 | 2023-04-26 | Snap On Incorporated | Reversing mechanism for a power tool |
| GB2612172B (en) * | 2020-06-22 | 2023-10-25 | Snap On Incorporated | Reversing mechanism for a power tool |
| TWI771034B (en) * | 2021-06-03 | 2022-07-11 | 朝程工業股份有限公司 | One-handed power tool for reversing |
| TWI799088B (en) * | 2022-01-18 | 2023-04-11 | 冠億齒輪股份有限公司 | Adjustable grips for power tools |
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|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20151113 |
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| EXPY | Termination of patent right or utility model |