阅读说明：本技术 一种打印机机芯 (Printer core ) 是由 周晨 李智 于 2020-06-22 设计创作，主要内容包括：本发明属于打印机技术领域,具体的说是一种打印机机芯,包括机芯本体；所述机芯本体外部设有安装腔,所述安装腔由收纳腔与活动架组成,所述收纳腔一侧设置有滑口,所述收纳腔的底面上对称连接有滑板,所述活动架的侧板与收纳腔的侧面上对称连接有锁紧腔,所述机芯本体的侧面上设置有锁紧块,所述收纳腔的底面上设有固定腔,所述固定腔的外端腔室中连接有挤压杆,且所述固定腔内部滑动连接有两活塞,所述活动架的底板上开设有卡槽；本发明通过将固定机芯本体的安装腔设置成收纳腔与活动架活动组合的形式,减少机芯本体通过螺纹连接所导致的效率低下与装配误差等问题,提高了打印机机芯在安装时的便捷性与有效性。(The invention belongs to the technical field of printers, and particularly relates to a printer core, which comprises a core body; the outer part of the machine core body is provided with an installation cavity, the installation cavity consists of a containing cavity and a movable frame, one side of the containing cavity is provided with a sliding opening, the bottom surface of the containing cavity is symmetrically connected with sliding plates, the side plates of the movable frame and the side surfaces of the containing cavity are symmetrically connected with locking cavities, the side surfaces of the machine core body are provided with locking blocks, the bottom surface of the containing cavity is provided with a fixed cavity, the cavity at the outer end of the fixed cavity is connected with an extrusion rod, the inner part of the fixed cavity is slidably connected with two pistons, and the bottom plate of the movable frame is provided with a clamping groove; according to the invention, the installation cavity for fixing the machine core body is arranged in a mode that the containing cavity is movably combined with the movable frame, so that the problems of low efficiency, assembly errors and the like caused by threaded connection of the machine core body are reduced, and the convenience and effectiveness of the printer machine core during installation are improved.)

1. A printer movement comprises a movement body (1); the method is characterized in that: the outer part of the machine core body (1) is provided with a mounting cavity (2) matched with the machine core body, the mounting cavity (2) is composed of a containing cavity (3) and an L-shaped movable frame (4), one side of the containing cavity (3) is provided with a sliding opening (31), the bottom surface of the containing cavity (3) is symmetrically connected with an L-shaped sliding plate (32), the bottom plate of the movable frame (4) is positioned in a gap between the sliding plate (32) and the bottom surface of the containing cavity (3) and can freely slide in the containing cavity, the side plate of the movable frame (4) can move to the position of the sliding opening (31) of the containing cavity (3) and can be plugged, the side surfaces of the side plate of the movable frame (4) and the containing cavity (3) are symmetrically connected with a set of locking cavities (33), the side surfaces of the machine core body (1) opposite to the locking cavities (33) are respectively provided with locking blocks (11) matched with the machine core body, sliding grooves (34) are symmetrically arranged on the bottom surface of the end part of the containing cavity (3) far away from the sliding opening (31), a concave-shaped fixed cavity (5) is arranged on the bottom surface of the containing cavity (3) at the top end of the sliding groove (34), an outer end opening of the fixed cavity (5) corresponds to the sliding groove (34), a fixed groove (35) is arranged on the bottom surface of the containing cavity (3) corresponding to the inner end opening of the fixed cavity (5), an extrusion rod (51) is connected in a sliding manner in an outer end cavity of the fixed cavity (5), an inclined extrusion surface (52) is arranged at the bottom end of the side surface of the extrusion rod (51) close to the sliding opening (31), a first piston (6) is connected at the top end of the extrusion rod (51), a first spring (53) is connected between the top end of the first piston (6) and the inner wall of the fixed cavity (5), a second piston (54) is connected in, the first piston (6) and the second piston (54) are in interference fit with the side wall of the fixed cavity (5) respectively and can freely slide in the fixed cavity; and a clamping groove (41) matched with the second piston (54) is formed in one end, close to the fixed cavity (5), of the bottom plate of the movable frame (4).

2. A printer cartridge according to claim 1, wherein: the bottom surface middle part of accomodating chamber (3) is provided with spacing groove (36), be provided with on the bottom surface of core body (1) with spacing groove (36) matched with stopper (12).

3. A printer cartridge according to claim 1, wherein: piston (6) inside is provided with extrusion chamber (61), set up the extrusion groove that is linked together with extrusion chamber (61) on the side of piston (6) and the bottom surface respectively, extrusion groove punishment do not is connected with elastic membrane (62) that can seal extrusion chamber (61), just elastic membrane (62) outer wall and fixed chamber (5) inner wall of extrusion chamber (61) lateral part are laminated mutually, extrusion pole (51) top links firmly mutually with elastic membrane (62) of extrusion chamber (61) bottom.

4. A printer cartridge according to claim 3, wherein: extension parts (63) are arranged at two ends of the side part of the extrusion cavity (61), and the free ends of the extension parts (63) are attached to the side surface of the fixed cavity (5).

5. A printer cartridge according to claim 1, wherein: the fixed chamber (5) top accomodate backup pad (7) that are connected with the L shape on chamber (3) lateral wall, be connected with on the top surface of fixed chamber (5) and pull block (71), be connected with No. two spring (72) between pull block (71) top and backup pad (7), fixed chamber (5) can move on the vertical direction, be connected with pull rod (73) on the side of pull block (71), the free end of pull rod (73) stretches out to accomodate chamber (3) outside, just it is provided with pull groove (74) on the lateral wall that the free end of chamber (3) and pull rod (73) corresponds to accomodate.

6. A printer cartridge according to claim 5, wherein: the top end of the traction block (71) is connected with a positioning rod (75), a positioning groove matched with the positioning rod (75) is formed in the supporting plate (7) corresponding to the top end of the positioning rod (75), and the top end of the positioning rod (75) is located in the positioning groove and can freely slide in the positioning groove.

Technical Field

The invention belongs to the technical field of printers, and particularly relates to a printer core.

Background

The movement of the compact printer needs to be fixed inside the required equipment when in use. The fixing mode of the movement of the currently adopted small printer is generally as follows: the through hole is arranged on the small printer core, the screw hole is arranged at the position corresponding to the equipment, the screw is directly fixed with the equipment, and at least four through holes and screw holes which correspond to each other are usually required to be arranged at four corners of the printer core in order to ensure the reliability of fixation. However, such a fixed connection wastes a lot of time for installation and requires many steps to be repeated in connection fixation, which is troublesome.

Disclosure of Invention

In order to make up for the defects of the prior art, the invention provides the printer core, the installation cavity for fixing the core body is arranged in a mode that the containing cavity is movably combined with the movable frame, so that the core body is stably fixed under the matching of the containing cavity and the movable frame, the problems of low efficiency, assembly errors and the like caused when the core body is connected through threads are reduced, and the convenience and the effectiveness of the printer core during installation are greatly improved.

The technical scheme adopted by the invention for solving the technical problems is as follows: a printer movement comprises a movement body; the outer part of the machine core body is provided with a mounting cavity matched with the machine core body, the mounting cavity consists of a containing cavity and an L-shaped movable frame, one side of the containing cavity is provided with a sliding opening, the bottom surface of the containing cavity is symmetrically connected with an L-shaped sliding plate, the bottom plate of the movable frame is positioned in a gap between the sliding plate and the bottom surface of the containing cavity and can freely slide in the containing cavity, the side plate of the movable frame can move to the sliding opening position of the containing cavity and can seal the sliding opening position, the side surfaces of the side plate of the movable frame and the containing cavity are symmetrically connected with a group of locking cavities, the side surfaces of the machine core body opposite to the locking cavities are respectively provided with a locking block matched with the locking blocks, the bottom surface of the end part of the containing cavity far away from the sliding opening is symmetrically provided with a sliding groove, the bottom surface of the containing cavity at the top end of the sliding groove is, a fixed groove is formed in the bottom surface of the containing cavity corresponding to the opening at the inner end of the fixed cavity, an extrusion rod is connected in a sliding mode in a cavity at the outer end of the fixed cavity, an inclined extrusion surface is arranged at the bottom end of the side surface, close to the sliding opening, of the extrusion rod, the top end of the extrusion rod is connected with a first piston, a first spring is connected between the top end of the first piston and the inner wall of the fixed cavity, a second piston is connected in a sliding mode in a cavity at the inner end of the fixed cavity, and the first piston and the second piston are in interference fit with the side wall of the fixed cavity respectively and can; a clamping groove matched with the second piston is formed in one end, close to the fixed cavity, of the bottom plate of the movable frame; when the printer core needs to be fixed inside required equipment, the printer core in the prior art is usually fixed by screws, so that time and labor are wasted, and the situation that the printer core and the required equipment are difficult to assemble or are not firmly assembled due to machining errors of threaded holes exists; when the printer core is assembled with the fixing equipment, the installation cavity of the fixed core body is arranged into a mode of movably combining the containing cavity and the movable frame, so that the core body can be inserted into the containing cavity through the sliding opening of the containing cavity, meanwhile, the locking block at the inner end of the core body is inserted into the locking cavity on the side wall of the containing cavity, then, the movable frame is pushed and slides to one side of the sliding opening on the sliding plate until the side plate of the movable frame can move to the position of the sliding opening and block the sliding opening, at the moment, the locking cavity on the movable frame can be clamped with another locking block on the core body, so that the core body is fixed under the matching of the locking block with the locking cavity, the two ends of which are mutually matched, and meanwhile, when the end part of the bottom plate of the movable frame slides to the position of the sliding groove on the sliding plate, the end part of the bottom plate of the movable frame can extrude the extrusion surface and enable the extrusion rod to slide, the moving extrusion rod can drive the first piston to extrude the gas in the sealed cavity inside the fixed cavity, so that the second piston at the other end of the fixed cavity can synchronously move towards one side of the fixed groove, the bottom plate of the movable frame can drive the clamping groove to be gradually aligned with the fixed groove when sliding, and simultaneously, when the end part of the bottom plate of the movable frame just extrudes the extrusion rod into the sliding groove, the second piston can be gradually inserted into the clamping groove and clamped with the clamping groove under the driving of the extrusion rod, the upper surface of the bottom plate of the movable frame can stably limit the extrusion rod, so that the second piston can be firmly matched with the clamping groove under the action of the extrusion rod, the movable frame can be stably fixed on the containing cavity by the mutually matched second piston and the clamping groove, and the movable frame and the containing cavity are integrated and can effectively fix the machine core body inside the movable frame, the movable frame and the containing cavity are prevented from sliding to cause the internal movement body to be fixed and not firm, so that the convenience and effectiveness of the printer movement in the installation are greatly improved.

Preferably, a limiting groove is formed in the middle of the bottom surface of the accommodating cavity, and a limiting block matched with the limiting groove is arranged on the bottom surface of the movement body; during operation, in order to make the locking chamber on the storage chamber align and block with the locking block at one end of the movement body quickly and accurately, a limit groove is arranged in the middle of the bottom surface of the storage chamber at the moment, and a limit block matched with the limit groove is arranged in the middle of the bottom surface of the movement body, so that the movement body firstly inserts the limit block into the limit groove before sliding into the storage chamber, thereby the locking chamber at the end part of the movement body can accurately clamp with the locking block when sliding into the inner end of the storage chamber, the trouble that the locking chamber needs manual alignment when clamping with the locking block is omitted, and the convenience of the movement body and the storage chamber during assembly is effectively improved.

Preferably, an extrusion cavity is arranged in the first piston, extrusion grooves communicated with the extrusion cavity are formed in the side surface and the bottom surface of the first piston respectively, elastic films capable of sealing the extrusion cavity are connected to the extrusion grooves respectively, the outer wall of each elastic film on the side portion of the extrusion cavity is attached to the inner wall of the corresponding fixed cavity, and the top end of the extrusion rod is fixedly connected with the elastic film at the bottom end of the extrusion cavity; when in work, in order to enable the extrusion rod to drive the second piston to move more effectively through the first piston during the movement, the first piston is internally provided with a hollow extrusion cavity, when the top end of the extrusion rod moves upwards, the extrusion rod can extrude the elastic membrane at the bottom end of the extrusion cavity, so that the elastic membrane can drive the extrusion cavity to move, meanwhile, the elastic membrane deforms towards the inside of the extrusion cavity under the action of the extrusion rod and extrudes the gas in the extrusion cavity, so that the pressure of the gas in the extrusion cavity is increased and the pressure is applied to the elastic membrane at the side part of the extrusion cavity, the elastic membrane can be tightly attached to the inner wall of the fixed cavity, the gas between the two pistons is prevented from seeping out of the sealed cavity between the two pistons, make the extrusion stem can drive No. two pistons through a piston and carry out more accurate motion when the motion to accomodate the validity and the stability of chamber and adjustable shelf when the equipment has been improved greatly.

Preferably, extension parts are arranged at two ends of the side part of the extrusion cavity, and free ends of the extension parts are attached to the side surface of the fixed cavity; the during operation is provided with the extension through the lateral part both ends at the extrusion chamber, the free end of extension simultaneously laminates with the side in fixed chamber mutually, make the extension that sets up can play the effect of location to a piston, prevent that a piston is connected with the motion skew that the elastic membrane leads to because of the lateral part at gliding in-process, and can make the elastic membrane of extrusion chamber lateral part can be more balanced paste tightly and effect with fixed intracavity wall, thereby further improved and accomodate validity and stability of chamber and adjustable shelf when the equipment.

Preferably, an L-shaped supporting plate is connected to the side wall of the containing cavity at the top end of the fixing cavity, a traction block is connected to the top surface of the fixing cavity, a second spring is connected between the top end of the traction block and the supporting plate, the fixing cavity can move in the vertical direction, a pull rod is connected to the side surface of the traction block, the free end of the pull rod extends out of the containing cavity, and a pull groove is formed in the side wall of the containing cavity corresponding to the free end of the pull rod; the during operation, in order to conveniently accomodate the separation and the demolition of chamber and adjustable shelf, through set up the pull rod of activity on fixed chamber this moment, when needs will accomodate chamber and adjustable shelf and demolish, upwards promote the free end of pull rod and make it slide in the kerve this moment, the pull rod of upward movement can drive the synchronous upward movement in fixed chamber of traction block department this moment, thereby make No. two pistons of fixed chamber bottom break away from in the draw-in groove on the adjustable shelf, No. two pistons No. this moment No. two No. are no longer connected adjustable shelf and accomodate the chamber, can accomplish dismantlement and separation between them through taking the adjustable shelf from accomodating intracavity portion afterwards, make things convenient for its inside core body to overhaul and change.

Preferably, the top end of the traction block is connected with a positioning rod, a positioning groove matched with the positioning rod is formed in the supporting plate corresponding to the top end of the positioning rod, and the top end of the positioning rod is located in the positioning groove and can freely slide in the positioning groove; the during operation, in order to make fixed chamber more stable and carry out effectual reseing when the motion, set up the locating lever through the top at the traction block this moment, when driving fixed chamber upward movement through the pull rod, the locating lever can carry on spacingly to the fixed chamber of motion under the effect of constant head tank lateral wall this moment, prevent rocking of fixed chamber emergence instability in the motion process, and when fixed chamber resets under the effect of No. two springs, fixed chamber can resume to initial condition under the direction and the positioning action of locating lever this moment, reduce the condition that the both ends opening and spout and the fixed slot emergence skew of fixed chamber bottom, thereby further improved fixed chamber stability and validity at the during operation.

The invention has the following beneficial effects:

1. according to the invention, the installation cavity for fixing the movement body is movably combined with the containing cavity and the movable frame, so that the movement body is stably fixed under the matching of the containing cavity and the movable frame, the problems of low efficiency, assembly error and the like caused by threaded connection of the movement body are reduced, and the convenience and effectiveness of the printer movement during installation are greatly improved.

2. According to the invention, the movable pull rod is arranged on the fixed cavity, when the containing cavity and the movable frame need to be disassembled, the movable frame can be pulled out from the containing cavity by only pushing the pull rod, and the disassembly and the separation of the containing cavity and the movable frame are completed, so that the maintenance and the replacement of the inner machine core body are facilitated.

Drawings

The invention will be further explained with reference to the drawings.

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

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

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 3;

in the figure: the movement body 1, the locking block 11, the limiting block 12, the mounting cavity 2, the accommodating cavity 3, the sliding opening 31, the sliding plate 32, the locking cavity 33, the sliding groove 34, the fixing groove 35, the limiting groove 36, the movable frame 4, the clamping groove 41, the fixing cavity 5, the extrusion rod 51, the extrusion surface 52, the first spring 53, the second piston 54, the first piston 6, the extrusion cavity 61, the elastic membrane 62, the extending part 63, the supporting plate 7, the traction block 71, the second spring 72, the pull rod 73, the pull groove 74 and the positioning rod 75.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the following embodiments.

As shown in fig. 1-4, the printer core of the present invention includes a core body 1; the outer part of the machine core body 1 is provided with a matched installation cavity 2, the installation cavity 2 is composed of a containing cavity 3 and an L-shaped movable frame 4, one side of the containing cavity 3 is provided with a sliding opening 31, the bottom surface of the containing cavity 3 is symmetrically connected with an L-shaped sliding plate 32, the bottom plate of the movable frame 4 is positioned in a gap between the sliding plate 32 and the bottom surface of the containing cavity 3 and can freely slide in the sliding cavity, the side plate of the movable frame 4 can move to the position of the sliding opening 31 of the containing cavity 3 and can be plugged, the side plates of the movable frame 4 and the side surfaces of the containing cavity 3 are symmetrically connected with a group of locking cavities 33, the side surfaces of the machine core body 1 opposite to the locking cavities 33 are respectively provided with a locking block 11 matched with the locking blocks, the end bottom surface of the containing cavity 3 far away from the sliding opening 31 is symmetrically provided with a sliding groove 34, the bottom surface of the containing cavity 3 at the top end of the sliding groove 34, an outer end opening of the fixed cavity 5 corresponds to the sliding groove 34, a fixed groove 35 is formed in the bottom surface of the containing cavity 3 corresponding to the inner end opening of the fixed cavity 5, an extrusion rod 51 is connected in the outer end cavity of the fixed cavity 5 in a sliding mode, an inclined extrusion surface 52 is arranged at the bottom end of the side face, close to the sliding opening 31, of the extrusion rod 51, a first piston 6 is connected to the top end of the extrusion rod 51, a first spring 53 is connected between the top end of the first piston 6 and the inner wall of the fixed cavity 5, a second piston 54 is connected in the inner end cavity of the fixed cavity 5 in a sliding mode, and the first piston 6 and the second piston 54 are in interference fit with the side wall of the fixed cavity 5 respectively and can slide freely in; a clamping groove 41 matched with a second piston 54 is formed in one end, close to the fixed cavity 5, of the bottom plate of the movable frame 4; when the printer core needs to be fixed inside required equipment, the printer core in the prior art is usually fixed by screws, so that time and labor are wasted, and the situation that the printer core and the required equipment are difficult to assemble or are not firmly assembled due to machining errors of threaded holes exists; when the printer core is assembled with the fixed equipment, the installation cavity 2 of the fixed core body 1 is arranged in a mode of movably combining the containing cavity 3 and the movable frame 4, so that the core body 1 can be inserted into the containing cavity 3 through the sliding opening 31 of the containing cavity 3, meanwhile, the locking block 11 at the inner end of the core body 1 is inserted into the locking cavity 33 on the side wall of the containing cavity 3, then, the movable frame 4 is pushed and slides to one side of the sliding opening 31 on the sliding plate 32 until the side plate of the movable frame 4 can move to the position of the sliding opening 31 and block the sliding opening 31, at the moment, the locking cavity 33 on the movable frame 4 can be clamped with the other locking block 11 on the core body 1, therefore, the core body 1 is fixed under the matching of the locking block 11 and the locking cavity 33, which are mutually matched at two ends, and simultaneously, when the end part of the bottom plate of the movable frame 4 slides to the position of the sliding groove 34 on the sliding plate 32, at this time, the end of the bottom plate of the movable frame 4 can extrude the extrusion surface 52 and make the extrusion rod 51 slide towards the inside of the fixed cavity 5, at this time, the moving extrusion rod 51 can drive the first piston 6 to extrude the gas in the sealed cavity inside the fixed cavity 5, so that the second piston 54 at the other end of the fixed cavity 5 can synchronously move towards one side of the fixed slot 35, and the bottom plate of the movable frame 4 can drive the clamping slot 41 to gradually align with the fixed slot 35 when sliding, and at the same time, when the end of the bottom plate of the movable frame 4 just extrudes the extrusion rod 51 into the sliding slot 34, the second piston 54 can be gradually inserted into the clamping slot 41 and clamped with the clamping slot under the driving of the extrusion rod 51, because the upper surface of the bottom plate of the movable frame 4 can perform stable limit on the extrusion rod 51, so that the second piston 54 can be firmly matched with the clamping slot 41 under the action of the extrusion rod 51, thereby make No. two pistons 54 and draw-in groove 41 of mutually supporting can be with stable the fixing of adjustable shelf 4 on accomodating chamber 3, and then make adjustable shelf 4 and accomodate chamber 3 and be the integral type and carry out effectual fixing to its inside core body 1, prevent that adjustable shelf 4 and accomodating chamber 3 from taking place to slide and leading to its inside core body 1 fixed not firm condition to the convenience and the validity of printer core when the installation have been improved greatly.

As an embodiment of the present invention, a limiting groove 36 is disposed in the middle of the bottom surface of the accommodating cavity 3, and a limiting block 12 matched with the limiting groove 36 is disposed on the bottom surface of the movement body 1; in operation, in order to make the locking chamber 33 on the storage chamber 3 align and block with the locking block 11 at one end of the movement body 1 quickly and accurately, at this moment, the limiting groove 36 is arranged in the middle of the bottom surface of the storage chamber 3, and the limiting block 12 matched with the limiting groove 36 is arranged in the middle of the bottom surface of the movement body 1, so that the movement body 1 firstly inserts the limiting block 12 into the limiting groove 36 before sliding into the storage chamber 3, thereby the locking chamber 33 at the end part of the movement body 1 can accurately block with the locking block 11 when sliding into the inner end of the storage chamber 3, the trouble that the locking chamber 33 and the locking block 11 need to be aligned manually when being blocked is eliminated, and the convenience of the movement body 1 and the storage chamber 3 during assembly is effectively improved.

As an embodiment of the invention, an extrusion cavity 61 is arranged inside the first piston 6, extrusion grooves communicated with the extrusion cavity 61 are respectively formed on the side surface and the bottom surface of the first piston 6, the extrusion grooves are respectively connected with an elastic membrane 62 capable of sealing the extrusion cavity 61, the outer wall of the elastic membrane 62 at the side part of the extrusion cavity 61 is attached to the inner wall of the fixed cavity 5, and the top end of the extrusion rod 51 is fixedly connected with the elastic membrane 62 at the bottom end of the extrusion cavity 61; in operation, in order to enable the first piston 6 to drive the second piston 54 to move more effectively when the extrusion rod 51 moves, at this time, the first piston 6 is internally provided with the hollow extrusion cavity 61, when the top end of the extrusion rod 51 moves upwards, at this time, the extrusion rod 51 can extrude the elastic membrane 62 at the bottom end of the extrusion cavity 61, so that the elastic membrane 62 can drive the extrusion cavity 61 to move, and meanwhile, the elastic membrane 62 deforms towards the inside of the extrusion cavity 61 under the action of the extrusion rod 51 and extrudes the gas in the extrusion cavity, so that the gas pressure in the extrusion cavity 61 is increased and applies pressure to the elastic membrane 62 at the side part of the extrusion cavity, so that the elastic membrane 62 can be tightly attached to the inner wall of the fixed cavity 5, the gas between the two pistons is prevented from seeping out from the sealed cavity between the two pistons, and the extrusion rod 51 can drive the second piston 54 to move more accurately through the first piston 6 when moving, thereby greatly improving the effectiveness and stability of the containing cavity 3 and the movable frame 4 during assembly.

As an embodiment of the present invention, two ends of the side of the extrusion chamber 61 are provided with extending portions 63, and the free ends of the extending portions 63 are attached to the side of the fixed chamber 5; the during operation, lateral part both ends through at extrusion chamber 61 are provided with extension 63, the free end of extension 63 laminates with the side of fixed chamber 5 simultaneously, make the extension 63 that sets up can play the effect of location to a piston 6, prevent that a piston 6 is connected with the motion skew that elastic membrane 62 leads to because of the lateral part in gliding in-process, and can make the elastic membrane 62 of extrusion chamber 61 lateral part can be more balanced with fixed 5 inner walls of chamber paste tightly and effect, thereby the validity and the stability of accomodating chamber 3 and movable frame 4 when the equipment have further been improved.

As an embodiment of the invention, an L-shaped support plate 7 is connected to a side wall of a storage cavity 3 at the top end of a fixing cavity 5, a traction block 71 is connected to the top surface of the fixing cavity 5, a second spring 72 is connected between the top end of the traction block 71 and the support plate 7, the fixing cavity 5 can move in the vertical direction, a pull rod 73 is connected to a side surface of the traction block 71, a free end of the pull rod 73 extends out of the storage cavity 3, and a pull groove 74 is formed in a side wall of the storage cavity 3 corresponding to the free end of the pull rod 73; the during operation, in order to conveniently accomodate the separation and the demolition of chamber 3 and adjustable shelf 4, pull rod 73 through setting up the activity on fixed chamber 5 this moment, when needs will accomodate chamber 3 and adjustable shelf 4 and demolish, upwards promote the free end of pull rod 73 and make it slide in kerve 74 this moment, the pull rod 73 of upward motion can drive the synchronous upward motion of fixed chamber 5 of traction block 71 department this moment, thereby make No. two pistons 54 of fixed chamber 5 bottom break away from draw-in groove 41 on adjustable shelf 4, No. two pistons 54 no longer are connected adjustable shelf 4 and accomodate chamber 3 this moment, can accomplish both dismantlement and separation through taking movable shelf 4 out from accomodating intracavity 3 inside afterwards, make things convenient for its inside core body 1 to overhaul and change.

As an embodiment of the present invention, the top end of the traction block 71 is connected with a positioning rod 75, a positioning groove matched with the positioning rod 75 is formed on the supporting plate 7 corresponding to the top end of the positioning rod 75, and the top end of the positioning rod 75 is located inside the positioning groove and can freely slide inside the positioning groove; in operation, in order to make fixed chamber 5 more stable and carry out effectual reseing when the motion, set up locating lever 75 through the top at traction block 71 this moment, when driving fixed chamber 5 upward movement through pull rod 73, locating lever 75 can carry on spacingly to the fixed chamber 5 of motion under the effect of constant head tank lateral wall this moment, prevent that fixed chamber 5 from taking place rocking of instability in the motion process, and when fixed chamber 5 resets under No. two spring 72's effect, fixed chamber 5 can resume to initial condition under the direction of locating lever 75 and the positioning action this moment, reduce the condition that both ends opening and spout 34 and fixed slot 35 of fixed chamber 5 bottom take place the skew, thereby further improved fixed chamber 5 stability and validity at the during operation.

During operation, the installation cavity 2 of the fixed movement body 1 is set to be in a movable combination mode of the containing cavity 3 and the movable frame 4, so that the movement body 1 can be inserted into the containing cavity 3 through the sliding opening 31 of the containing cavity 3, meanwhile, the locking block 11 at the inner end of the movement body 1 is inserted into the locking cavity 33 on the side wall of the containing cavity 3, then, the movable frame 4 is pushed and made to slide to one side of the sliding opening 31 on the sliding plate 32 until the side plate of the movable frame 4 can move to the position of the sliding opening 31 and block the sliding opening 31, at the moment, the locking cavity 33 on the movable frame 4 can be clamped with the other locking block 11 on the movement body 1, so that the movement body 1 is fixed under the matching of the locking block 11 and the locking cavity 33, which are mutually matched at two ends, and when the end part of the bottom plate of the movable frame 4 slides to the position of the sliding groove 34 on the sliding plate 32, at the moment, the end part of the bottom plate of the movable frame 4 can extrude the extrusion surface At the moment, the moving extrusion rod 51 can drive the first piston 6 to extrude the gas in the sealed cavity inside the fixed cavity 5, so that the second piston 54 at the other end of the fixed cavity 5 can move towards one side of the fixed slot 35 synchronously, and the bottom plate of the movable frame 4 can drive the clamping slot 41 to align with the fixed slot 35 gradually when sliding, and simultaneously, when the end part of the bottom plate of the movable frame 4 just extrudes the extrusion rod 51 into the sliding slot 34, the second piston 54 can be gradually inserted into the clamping slot 41 and clamped with the clamping slot 41 under the driving of the extrusion rod 51, because the upper surface of the bottom plate of the movable frame 4 can perform stable limit on the extrusion rod 51, the second piston 54 can be firmly matched with the clamping slot 41 under the action of the extrusion rod 51, so that the second piston 54 and the clamping slot 41 which are matched with each other can stably fix the movable frame 4 on the accommodating cavity 3, and then make adjustable shelf 4 and accomodate chamber 3 and be the integral type and carry out effectual fixed to its inside core body 1, prevent that adjustable shelf 4 and accomodate chamber 3 from taking place to slide and leading to the fixed not firm condition of its inside core body 1 to the convenience and the validity of printer core when the installation have been improved greatly.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.