阅读说明：本技术 一种仿生地毯针织机枪头组 (Bionic carpet knitting machine gun head group ) 是由 谷海潮 周中海 于 2021-07-21 设计创作，主要内容包括：本发明公开了一种仿生地毯针织机枪头组,涉及地毯针织机技术领域,包括快速连接盆、快锁套、线管、齿轮箱、针头套、剪刀套和针嘴套,还包括快锁扳手,其中：快速连接盆,用于承载安装于其上的结构,其中快速连接盆通过多个螺栓固定连接在针织机架上；快锁套,用于固定安装在快速连接盆上的结构,所述快锁套螺纹连接在快速连接盆外周侧,本发明在将枪头安装的快速连接盆上时,此时将齿轮箱上沿其固定槽通过快锁套上的固定耳,卡入快速连接盆上的限位棒上,形成旋转限位；再扳动快锁扳手来旋转快锁套,旋转锁紧的快锁套上的固定耳与固定槽错位,进而对齿轮箱轴向限位,从而通过快锁扳手和快锁套将齿轮箱和快速连接盆快速连接在一起。(The invention discloses a bionic carpet knitting machine gun head group, which relates to the technical field of carpet knitting machines and comprises a quick connection basin, a quick locking sleeve, a line pipe, a gear box, a needle head sleeve, a scissors sleeve, a needle nozzle sleeve and a quick locking wrench, wherein: the quick connection basin is used for bearing a structure arranged on the quick connection basin, and the quick connection basin is fixedly connected to the knitting frame through a plurality of bolts; when the gun head is installed on the quick connection basin, the gear box is clamped on a limiting rod on the quick connection basin along a fixing groove of the gear box through a fixing lug on the quick lock sleeve to form rotation limiting; and then pulling the quick locking wrench to rotate the quick locking sleeve, and dislocating the fixing lug and the fixing groove on the quick locking sleeve which is locked in a rotating mode, so that the gear box is axially limited, and the gear box and the quick connecting basin are quickly connected together through the quick locking wrench and the quick locking sleeve.)

1. The utility model provides a bionical carpet knitting machine rifle head group, includes high-speed joint basin (1), fast lock cover (2), spool (4), gear box (5), syringe needle cover (6), scissors cover (7) and needle mouth cover (8), its characterized in that still includes fast lock spanner (3), wherein:

the quick connection basin (1) is used for bearing a structure arranged on the quick connection basin, wherein the quick connection basin (1) is fixedly connected to the knitting frame through a plurality of bolts;

the quick locking sleeve (2) is fixedly arranged on the structure of the quick connecting basin (1), the quick locking sleeve (2) is in threaded connection with the outer peripheral side of the quick connecting basin (1), and a plurality of fixing lugs (21) are fixedly connected with the inner peripheral side of the top of the quick locking sleeve (2);

the quick locking wrench (3) is used for controlling the quick locking sleeve (2) to be rotationally locked on the quick connection basin (1), the lower surface of one end of the quick locking wrench (3) is provided with an annular clamping groove (31) in a penetrating mode and an ear groove (32), the inner side of the annular clamping groove (31) is communicated with the ear groove (32), the annular clamping groove (31) is clamped on the quick locking sleeve (2), and the ear groove (32) is clamped on the fixing ear (21);

gear box (5) receives quick lock sleeve (2) to go up fixed ear (21) in axial direction's locking, gear box (5) bottom is cylindricly and blocks into in quick connect basin (1), and gear box (5) periphery side and quick connect basin (1) week side interface on seted up a plurality of fixed slots (11), is located on quick connect basin (1) fixed connection has spacing stick (12) fixed slot (11).

2. The gun head set of the bionic carpet knitting machine according to claim 1 is characterized in that the fixing groove (11) is in a circular truncated cone shape, the axis of the fixing groove is located on the interface of the gear box (5) and the quick connection basin (1), the bottom surface with a small radius of the circular truncated cone is far away from the inside of the quick connection basin (1), the limiting rod (12) is a chrome-plated rod, and the top of the limiting rod is flush with the top of the quick connection basin (1) and the upper surface of a cylinder at the bottom of the gear box (5).

3. The gun head set of the bionic carpet knitting machine as claimed in claim 2, characterized in that a plurality of the fixing lugs (21) correspond to a plurality of partial fixing grooves (11) on the gear box (5) in a one-to-one manner, and are smaller than the partial fixing grooves (11) in axial projection, wherein the fixing lugs (21) are locked on the quick connection basin (1) in a rotating manner along with the quick lock sleeve (2), and the rear lower surface of the fixing lugs abuts against the upper surface of the cylinder at the bottom of the gear box (5).

4. The gun head set of the bionic carpet knitting machine according to claim 1, characterized by further comprising a locking mechanism (9) for fixing the quick locking sleeve (2) on the quick connecting basin (1), wherein the locking mechanism (9) comprises an annular groove (91), a clamping strip (92), a vent pipe (93) and a gas needle (94),

the annular groove (91) is coaxially arranged on the quick connection basin (1) and is upwards penetrated,

the clamping strip (92) is connected in the annular groove (91) in a sliding mode along an axial seal mode and fixedly connected with a limiting spring (921) between the bottom of the annular groove (91), a magnetic valve is installed in the clamping strip (92), a magnet is embedded on the quick lock wrench (3), the magnet is opposite to the magnetic core like magnetic poles in the magnetic valve, a clamping tooth (22) is fixedly connected on the quick lock sleeve (2), the clamping tooth (22) is in seal fit with the annular groove (91) in vertical projection, and the clamping strip (92) moving upwards to a limit position along the annular groove (91) is meshed with the clamping tooth (22),

the vent pipe (93) is fixedly connected in the quick connection basin (1), two ends of the vent pipe are respectively communicated with the top and the bottom of the annular groove (91),

air needle (94) sealed sliding connection is on quick connect basin (1), and air vent (941) have been seted up to the bottom, and with between quick connect basin (1) fixed connection ventilating spring (942), and sealed wall breather pipe (93), protruding quick connect basin (1) in air needle (94) top just is being pressed to with quick connect basin (1) parallel and level back air vent (941) sealed intercommunication breather pipe (93).

5. The gun head set for the bionic carpet knitting machine according to claim 4, characterized in that the clamping strip (92) and the clamping teeth (22) are composed of an annular strip and annular teeth fixedly connected to the annular strip, wherein the annular strip is in sealing sliding fit with the annular groove (91), and the tooth edges of the annular teeth are vertical to the upper surface of the annular strip.

6. A gun head set of a bionic carpet knitting machine according to claim 4 characterized in that the magnetic valve is located on the axial projection of a fixed lug (21) rotationally locked on the quick lock sleeve (2) on the quick connection basin (1), and the inner magnetic core of the magnetic valve is opposite to the magnet in the quick lock wrench (3) located on the fixed lug (21), and the magnetic core is in the initial state to block the magnetic valve and open the magnetic valve after being magnetically repelled by the magnet.

7. The gun head set of the bionic carpet knitting machine according to claim 4, characterized in that the anti-loosening mechanism (9) further comprises an air cavity (95) and a vibrating piece (96), the air cavity (95) is arranged in the quick connection basin (1) and the middle part of the air cavity is fixedly connected with the vibrating piece (96), one end, far away from the top of the annular groove (91), of the vent pipe (93) is communicated with the top of the air cavity (95) through a one-way air inlet valve, wherein the one-way air inlet valve points to the inside of the air cavity (95) through the vent pipe (93), the top of the air cavity (95) is communicated with the bottom of the annular groove (91) through a one-way air outlet valve, and the one-way air outlet valve points to the inside of the annular groove (91) through the air cavity (95).

Technical Field

The invention relates to the technical field of carpet knitting machines, in particular to a gun head group of a bionic carpet knitting machine.

Background

When the rifle head of current carpet knitting machine is installed and is being connected the basin, generally through screw and lock sleeve with the rifle head with connect the basin fixed, this kind of fixed mode is comparatively simple, drive needle mouth and scissors reciprocating motion at drive mechanism and form the knitting in-process of reciprocal acupuncture action formation to the base cloth, cause the not hard up of screw and lock sleeve easily, the stable in structure of influence rifle head group, cause adverse effect to the knitting process of carpet, and then influence the quality of the carpet that processing was made into, and install the rifle head and connect the in-process of basin, because the less dismantlement difficulty of screw is lost easily, influence the installation and dismantle the process.

Disclosure of Invention

The invention provides a gun head group of a bionic carpet knitting machine, and aims to solve the problems that in the prior art, a gun head and a connecting basin are fixed through screws and lock sleeves, the installation and the disassembly are troublesome, and the screws are easy to lose.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a bionical carpet knitting machine rifle head group, includes high-speed joint basin, fast lock cover, spool, gear box, syringe needle cover, scissors cover and needle nozzle cover, still includes fast lock spanner, wherein:

the quick connection basin is used for bearing a structure arranged on the quick connection basin, wherein the quick connection basin is fixedly connected to the knitting frame through a plurality of bolts and is internally provided with a driving device;

the quick locking sleeve is fixedly arranged on a structure on the quick connection basin, the quick locking sleeve is in threaded connection with the outer periphery of the quick connection basin, and a plurality of fixing lugs are fixedly connected with the inner periphery of the top of the quick locking sleeve;

the quick locking wrench is used for controlling the quick locking sleeve to rotate and lock the quick locking sleeve on the quick connection basin, an annular clamping groove is formed in the lower surface of one end of the quick locking wrench in a penetrating mode, an ear groove is formed in the lower surface of the one end of the quick locking wrench, the inner side of the annular clamping groove is communicated with the ear groove, the annular clamping groove is clamped on the quick locking sleeve, and the ear groove is clamped on the fixing ear;

the spool is used for guiding and limiting knitting yarns and is fixedly connected to the quick connection basin;

the gear box is used for transmitting the kinetic energy of the driving device and is locked in the axial direction by the fixing lugs on the quick locking sleeve, the bottom of the gear box is cylindrical and is clamped into the quick connection basin, a plurality of fixing grooves are formed in an interface between the outer periphery of the gear box and the inner periphery of the quick connection basin, the fixing grooves on the quick connection basin are fixedly connected with limiting rods, and a gear set is installed in the gear box;

the needle head sleeve, the scissors sleeve and the needle mouth sleeve are used for receiving the driving kinetic energy of the gear set in the gear box to knit the carpet.

Preferably, the fixed slot is the round platform form, and the axis is located gear box and high-speed joint basin interface, and in the low bottom surface of round platform radius kept away from the high-speed joint basin, spacing stick adopts chromium plating stick and top and high-speed joint basin top and gear box bottom cylinder upper surface parallel and level, and the round platform form fixed slot 11 of upper narrow width down does benefit to gear box 5 and is breaking away from the unhindered hindrance of high-speed joint basin.

Preferably, a plurality of fixed ear and a plurality of some fixed slots that are located on the gear box one-to-one, and be less than this some fixed slots in axial projection, wherein fixed ear is followed the rotatory locking of quick-operation lock cover and is leaned on gear box bottom cylinder upper surface at the back lower surface on the high-speed joint basin, and fixed ear forms axial locking effect to the gear box when misplacing with the fixed slot, and when coincideing with the fixed slot, makes things convenient for the gear box directly to break away from the restriction of fixed ear.

Preferably, still include locking mechanism for the quick lock cover on the fixed quick connect basin, locking mechanism includes ring channel, card strip, breather pipe and air needle, the ring channel is coaxial to be seted up on the quick connect basin and upwards run through the setting, the card strip along axial seal sliding connection in the ring channel and with the ring channel bottom between the spacing spring of fixedly connected with, install the magnet valve in the card strip, magnet has been inlayed on the quick lock spanner, wherein magnet is relative with the magnetic core like name magnetic pole in the magnet valve, fixedly connected with latch on the quick lock cover, wherein latch and ring channel are in sealed fit on vertical projection, wherein along ring channel rebound to extreme position's card strip and latch intermeshing, breather pipe fixed connection communicates ring channel top and bottom respectively in the quick connect basin and both ends, air needle sealed sliding connection is on the quick connect basin, and the bottom of the air needle is provided with an air vent, the air needle is fixedly connected with the ventilation spring between the air needle and the quick connection basin and is used for sealing and isolating the ventilation pipe, and the top end of the air needle protrudes out of the quick connection basin and is communicated with the ventilation pipe in a sealing way after being pressed to be flush with the quick connection basin.

Preferably, the clamping strip and the clamping teeth are formed by an annular strip and annular teeth fixedly connected to the annular strip, wherein the annular strip is in sealing sliding fit with the annular groove, the edges of the teeth of the annular teeth are perpendicular to the upper surface of the annular strip, and the mutual limiting effect of the clamping strip and the annular teeth in the rotating direction is improved.

Preferably, the magnetic valve is located on an axial projection of a fixed lug rotationally locked on a quick lock sleeve on the quick connection basin, a magnetic core in the magnetic valve is opposite to a magnet in a quick lock wrench located on the fixed lug, the magnetic core is in an initial state, the magnetic valve is isolated and opened after being subjected to magnetic repulsion of the magnet, the on-off of the magnetic valve and the up-and-down sliding of the clamping strip along the annular groove are controlled by the approach of the quick lock wrench, and then the separation and the meshing between the clamping strip and the clamping tooth are controlled by matching with the limiting spring.

Preferably, locking mechanism still includes the air cavity and the piece that shakes, the air cavity is seted up in the high-speed joint basin and middle part fixedly connected with piece that shakes, the breather pipe is kept away from ring channel top one end and is passed through one-way admission valve intercommunication at the air cavity top, and wherein one-way admission valve is by the directional air cavity of breather pipe in, one-way air outlet valve and ring channel bottom intercommunication are passed through to the air cavity top, and wherein one-way air outlet valve is by the directional ring channel of air cavity in, through the vibration of the piece that shakes, with the air suction air cavity between gib and the latch to pump into the ring channel bottom, make the gib further be close to the latch, improve the spacing effect of meshing.

Compared with the prior art, the invention has the following beneficial effects:

1. when the gun head consisting of the gear box, the needle head sleeve, the scissors sleeve and the needle nozzle sleeve is arranged on the quick connection basin, the gear box is clamped on the limiting rod on the quick connection basin along the fixing groove of the gear box through the fixing lug on the quick lock sleeve, and the limiting rod and the quick connection basin form a limiting effect in the rotating direction; pulling the quick lock spanner again and coming rotatory quick lock sleeve, fixed ear and fixed slot dislocation on the quick lock sleeve of rotatory locking, and then form spacingly to the cylindrical upper surface in gear box bottom, make gear box and high-speed joint basin form axial direction's spacing effect to through quick lock spanner and quick lock sleeve with gear box and high-speed joint basin high-speed joint together, compare in the mode that uses the screw to fix not only the installation swiftly and be difficult for losing the screw.

2. When the quick locking sleeve is screwed into the quick connection basin, the latch on the quick locking sleeve hermetically slides into the annular groove on the quick connection basin, and the clamping strip hermetically slides towards the interior of the quick connection basin along the annular groove by the extruded air, so that the latch is prevented from being blocked by the clamping strip in the rotating process; and when the quick lock sleeve is completely screwed into the quick connection basin, the quick lock sleeve extrudes the air needle on the quick connection basin, the air needle is extruded and then is communicated with the vent pipe communicated with the top and the bottom of the annular groove, so that the extruded air between the latch and the clamping strip enters the bottom of the annular groove through the vent pipe, the air pressure on two sides of the clamping strip is balanced and is restored to be clamped into the latch under the elastic action of a limiting spring, the limiting effect in the rotating direction between the quick lock sleeve and the quick connection basin is formed, and the quick lock sleeve is prevented from being loosened in the working process to cause the connection between the gear box and the quick connection basin.

3. When the gun head is disassembled, the quick lock wrench is placed on the fixing lug in a right-to-right mode, the magnet on the quick lock wrench magnetically repels the clamping strip to enable the clamping strip to be away from the clamping teeth again, the rotation limit of the clamping teeth and the clamping teeth is loosened, then the quick lock wrench is rotated to rotate the quick lock sleeve to enable the quick lock sleeve to recover the initial state, and the disassembly is convenient and rapid; meanwhile, a magnetic valve on the clamping strip is switched on, so that the obstruction caused by air pressure change when the clamping strip is not switched on is reduced, and the clamping strip and the clamping teeth are conveniently separated.

4. When the gun head is arranged on the quick connection basin and starts to work, the vibrating piece in the air cavity is vibrated to form reciprocating bending deformation, so that the space between the vibrating piece and the air cavity is continuously contracted and expanded, air is pumped out from the space between the clamping strip and the clamping teeth through the one-way air inlet valve and the air pipe during contraction, and partial air in the gun head is pressed into the bottom of the annular groove through the one-way air outlet valve during expansion, so that the contact depth of the clamping strip and the clamping teeth is improved, the stability of rotation limiting of the clamping strip and the clamping teeth is further improved, and the gun head and the quick connection basin are prevented from loosening during vibration.

Drawings

FIG. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic view of the initial state of the quick lock sleeve of the present invention;

FIG. 5 is a schematic view of the working state of the quick lock sleeve of the present invention;

FIG. 6 is a schematic position diagram of a second anti-loosening mechanism according to an embodiment of the present invention;

FIG. 7 is an enlarged view of part A of FIG. 6, which illustrates the operation of the anti-loosening mechanism in the second embodiment;

fig. 8 is a schematic working diagram of a locking mechanism in the third embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example one

Referring to fig. 1-5, a bionic carpet knitting machine gun head group comprises a quick connection basin 1, a quick lock sleeve 2, a thread pipe 4, a gear box 5, a needle head sleeve 6, a scissors sleeve 7, a needle mouth sleeve 8 and a quick lock wrench 3, wherein:

the quick connection basin 1 is used for bearing a structure arranged on the quick connection basin, wherein the quick connection basin 1 is fixedly connected to the knitting machine frame through a plurality of bolts and is internally provided with a driving device, and the driving device adopts the prior art and outputs rotary driving kinetic energy to supply energy for knitting actions.

Fast lock sleeve 2 for fixed mounting is in the structure on quick connect basin 1, and 2 threaded connection of fast lock sleeve are at 1 periphery side of quick connect basin, and 2 top week side fixedly connected with a plurality of fixed ears 21 of fast lock sleeve, 2 initial state partial screw connections of fast lock sleeve are all totally detached from quick connect basin 1 on quick connect basin 1 in installation and dismantlement process, avoid losing.

Fast lock spanner 3, be used for controlling the rotatory locking of fast lock sleeve 2 on high-speed joint basin 1, 3 one end lower surfaces of fast lock spanner run through and seted up ring groove 31 and seted up ear groove 32, ring groove 31 inboard and ear groove 32 intercommunication, ring groove 31 joint is on fast lock sleeve 2 and ear groove 32 joint is on fixed ear 21, will lock ring groove 31 and the ear groove 32 card on spanner 3 fast and fix ear 21 position on fast lock sleeve 2, utilize lever principle, laborsaving fast lock sleeve 2 of coming the rotation through pulling fast lock spanner 3, will lock sleeve 2 rotatory locking fast on high-speed joint basin 1.

And the spool 4 is used for guiding and limiting the knitting yarn, and the spool 4 is fixedly connected to the quick connection basin 1 to form an isolation effect on the knitting yarn so as to avoid yarn winding.

Gear box 5 for transmission drive arrangement's kinetic energy just receives the locking of fixed ear 21 in axial direction on quick lock sleeve 2, and gear box 5 bottom is cylindricly and blocks into quick connect basin 1, and has seted up a plurality of fixed slots 11 on the interface of 5 periphery sides of gear box and the 1 internal week side of quick connect basin, is located 11 fixedly connected with spacing sticks 12 of fixed slot on the quick connect basin 1, and spacing sticks 12 forms rotatory spacing effect to gear box 5 and quick connect basin 1.

Fixed slot 11 is the round platform form, and the axis is located gear box 5 and 1 interfaces of high-speed joint basin, and in the low bottom surface of round platform radius kept away from high-speed joint basin 1, spacing stick 12 adopts chromium plating stick and top and 1 top of high-speed joint basin and the 5 bottom cylinder upper surface parallel and level of gear box, and the round platform form fixed slot 11 of upper narrow width down does benefit to gear box 5 and is breaking away from the unhindered hindrance of high-speed joint basin.

A plurality of fixed ears 21 and a plurality of partial fixed slot 11 one-to-one that are located on gear box 5, and be less than this partial fixed slot 11 in axial projection, wherein fixed ear 21 supports and leans on gear box 5 bottom cylinder upper surface along with the rotatory locking back lower surface on quick connect basin 1 of quick lock sleeve 2, and fixed ear 21 forms axial locking effect to gear box 5 when misplacing with fixed slot 11, and when coincideing with fixed slot 11, makes things convenient for gear box 5 directly to break away from the restriction of fixed ear 21.

The gear box 5 is internally provided with a gear set in the prior art, and the rotary driving power of the driving device is converted into the kinetic energy required by the knitting driving action.

The needle head sleeve 6, the scissors sleeve 7 and the needle nozzle sleeve 8 are all in the prior art and used for receiving driving kinetic energy of a gear set in the gear box 5 to knit a carpet, the needle head sleeve 6 forms protection and guide effects on the scissors sleeve 7 and the needle nozzle sleeve 8, and the driving device drives the scissors sleeve 7 and the needle nozzle sleeve 8 to reciprocate through the gear set to form knitting actions.

When a gun head consisting of the gear box 5, the needle head sleeve 6, the scissors sleeve 7 and the needle mouth sleeve 8 is arranged on the quick connection basin 1, the fixing lug 21 of the quick lock sleeve 2 which is partially spirally connected on the quick connection basin 1 at the moment is just opposite to the fixing groove 11, and the partial fixing groove 11 of the gear box 5 is clamped on the limiting rod 12 on the quick connection basin 1 through the fixing lug 21 to form a limiting effect in the rotating direction with the quick connection basin 1;

the annular clamping groove 31 and the lug groove 32 on the quick locking wrench 3 are clamped at the position of the fixing lug 21 on the quick locking sleeve 2, the quick locking wrench 3 is pulled to rotate the quick locking sleeve 2, the quick locking sleeve 2 is rotationally locked on the quick connecting basin 1, the fixing lug 21 on the quick locking sleeve 2 and the fixing groove 11 are staggered to limit the upper surface of a cylinder at the bottom of the gear box 5, so that the gear box 5 and the quick connecting basin 1 form a limiting effect in the axial direction, and the gear box 5 and the quick connecting basin 1 are rapidly connected together through the quick locking wrench 3 and the quick locking sleeve 2; when dismantling the rifle head, just right putting into fast lock spanner 3 on fixing the ear 21, through the reverse rotation fast lock spanner 3 and then rotate fast lock sleeve 2 and make its initial condition that resumes, dismantle convenient and fast.

Example two

Referring to fig. 6-7, compared with the first embodiment, the present invention further includes a locking mechanism 9 for fixing the quick locking sleeve 2 on the quick connection basin 1, the locking mechanism 9 includes an annular groove 91, a clip strip 92, a vent pipe 93 and a gas needle 94, the annular groove 91 is coaxially disposed on the quick connection basin 1 and penetrates upward, the clip strip 92 is axially and hermetically slidably connected in the annular groove 91 and is fixedly connected with a limit spring 921 between the bottom of the annular groove 91, the quick locking sleeve 2 is fixedly connected with a clip tooth 22, wherein the clip tooth 22 and the annular groove 91 are hermetically matched in a vertical projection, wherein the clip strip 92 moving upward to a limit position along the annular groove 91 is mutually engaged with the clip tooth 22, when the clip tooth 22 rotates along with the quick locking sleeve 2 to approach the quick connection basin 1, the clip tooth 22 presses air in the annular groove 91 to overcome the elastic force of the limit spring 921, so that the clip strip 92 hermetically slides inward along the annular groove 91, preventing the latch 22 from being obstructed by the gib 92 during rotation.

The clamping strip 92 and the clamping teeth 22 are composed of annular strips and annular teeth fixedly connected to the annular strips, the annular strips are in sealing sliding fit with the annular grooves 91, the edges of the teeth of the annular teeth are perpendicular to the upper surfaces of the annular strips, and the limiting effect of the two in the rotating direction after being meshed is improved.

The vent pipe 93 is fixedly connected in the quick connection basin 1, two ends of the vent pipe are respectively communicated with the top and the bottom of the annular groove 91, the air needle 94 is connected on the quick connection basin 1 in a sealing and sliding way, and the bottom is opened with a vent hole 941, and a vent spring 942 is fixedly connected between the quick connection basin 1, and seals off the vent pipe 93, the top end of the air needle 94 protrudes out of the quick connection basin 1 and is sealed and communicated with the vent pipe 93 through the vent hole 941 after being pressed to be flush with the quick connection basin 1, thereby when fast lock sleeve 2 is rotatory to be locked into on the high-speed joint basin 1 completely, the breather pipe 93 that is extruded between latch 22 and the card strip 92 through the intercommunication gets into ring channel 91 bottom, balanced card strip 92 both sides atmospheric pressure, spacing spring 921 resumes under its self elastic action, make card strip 92 card go into in the latch 22, form the spacing effect on the direction of rotation between fast lock sleeve 2 and the high-speed joint basin 1, avoid fast lock sleeve 2 to produce not hard up further and cause gear box 5 not hard up in the course of the work.

Install the magnet valve in the card strip 92, it has magnet to inlay on the fast lock spanner 3, wherein the magnetic core homopolar magnetic pole in magnet and the magnet valve is relative, the magnet valve is located a fixed ear 21 axial projection of rotatory locking on fast lock cover 2 on the high-speed joint basin 1, and its inner magnetic core is just right with the magnet that is located in the fast lock spanner 3 on this fixed ear 21, and magnetic core initial state cuts off the magnet valve and opens the magnet valve after receiving magnet magnetic repulsion, it keeps away from latch 22 again to make its elasticity of overcoming spacing spring 921 through the magnet magnetic repulsion card strip 92 on the fast lock spanner 3, it is spacing to loosen the rotation of the two, convenient rotation loosens fast lock cover 2 on the high-speed joint basin 1, dismantle convenient and fast, switch on of magnet valve has reduced because the hindrance that atmospheric pressure change caused when not switching on.

When the fast locking sleeve 2 is screwed into the fast connecting basin 1, the latch 22 on the fast locking sleeve 2 extrudes the air in the annular groove 91 on the fast connecting basin 1, and overcomes the elasticity of the limiting spring 921 through the extruded air to enable the clamping strip 92 to slide to the inside of the annular groove 91 in a sealing way, so that the blocking of the latch 22 by the clamping strip 92 in the rotating process is avoided, when the fast locking sleeve 2 is screwed into the fast connecting basin 1 completely, the fast locking sleeve 2 extrudes the air needle 94 on the fast connecting basin 1, the air needle 94 is extruded to the air hole 941 at the bottom of the fast connecting basin 1 after the top end is flush with the fast connecting basin 1 and is communicated with the vent pipe 93 in a sealing way, so that the extruded air between the latch 22 and the clamping strip 92 enters the bottom of the annular groove 91 through the vent pipe 93, the air pressure at two sides of the clamping strip 92 is balanced, the clamping strip 92 recovers and is clamped into the latch 22 under the elastic action of the limiting spring 921, and an upward limiting effect in the rotating direction between the fast locking sleeve 2 and the fast connecting basin 1 is formed, the gear box 5 is prevented from further loosening caused by loosening of the quick locking sleeve 2 in the working process;

when the gun head is disassembled, the quick locking wrench 3 is just placed on the fixing lug 21, the magnet on the quick locking wrench 3 magnetically repels the clamping strip 92 to enable the quick locking wrench to overcome the elastic force of the limiting spring 921 and keep away from the clamping teeth 22 again, the rotation limiting of the quick locking wrench and the clamping teeth is loosened, the quick locking wrench 3 is rotated again to enable the quick locking sleeve 2 to recover the initial state, and the disassembly is convenient and fast.

EXAMPLE III

Referring to fig. 8, on the basis of the second embodiment, the anti-loosening mechanism 9 further includes an air cavity 95 and a vibration plate 96, the air cavity 95 is provided in the quick connection basin 1, the middle portion of the air cavity is fixedly connected with the vibration plate 96, the vibration plate 96 is bent and deformed after being vibrated, one end of the air pipe 93, which is far away from the top of the annular groove 91, is communicated with the top of the air cavity 95 through a one-way air inlet valve, wherein the one-way air inlet valve is directed into the air cavity 95 by the air pipe 93, the top of the air cavity 95 is communicated with the bottom of the annular groove 91 through a one-way air outlet valve, and wherein the one-way air outlet valve is directed into the annular groove 91 by the air cavity 95.

When the gun head is installed on the quick connection basin 1 and starts to work, the vibration sheet 96 in the air cavity 95 receives the reciprocating bending deformation effect caused by the resonance formed by the vibration generated when the driving device and the gear set work, so that the space between the air cavity 95 and the air cavity is continuously contracted and expanded, when the air cavity contracts, the air is pumped out from the space between the clamping strip 92 and the clamping teeth 22 through the one-way air inlet valve and the air vent pipe 93, and when the air cavity expands, the air is distributed into the bottom of the annular groove 91 through the one-way air outlet valve, the contact depth of the clamping strip 92 and the clamping teeth 22 is improved, the rotation limiting stability of the clamping strip 92 and the clamping teeth 22 is further improved, and the looseness between the gun head and the quick connection basin 1 in the vibration process is avoided.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.