阅读说明：本技术 一种隔热断桥铝合金门窗锁闭结构 (Thermal-insulated bridge cut-off aluminum alloy door and window locking structure ) 是由 张向涛 吕旭光 庄立立 于 2020-06-09 设计创作，主要内容包括：本发明公开了一种隔热断桥铝合金门窗锁闭结构,包括铝合金边框主体、安装架主体、勾锁主体、锁扣主体和隔热桥主体,所述锁扣主体内部设置有安装机构,所述铝合金边框主体内部设置有传动机构,所述铝合金边框主体内部设置有联动机构,所述铝合金边框主体内部设置有限位机构。本发明提升了锁扣主体在安装时的便利性,且提升了锁扣主体在安装时的稳定性,进一步提升了锁扣主体的安装效率,该装置解决了现在的锁扣在安装时不符合行业规定,且安装效率较低,增加了操作者的劳动强度的问题,保证了装置的安装效果,提升了操作者的安装效率,且该装置操作便捷,使用简单,使操作者可独自一人完成安装。(The invention discloses a locking structure of a heat-insulation bridge-cut-off aluminum alloy door and window, which comprises an aluminum alloy frame main body, a mounting frame main body, a hook lock main body, a lock catch main body and a heat-insulation bridge main body, wherein an installation mechanism is arranged inside the lock catch main body, a transmission mechanism is arranged inside the aluminum alloy frame main body, a linkage mechanism is arranged inside the aluminum alloy frame main body, and a limiting mechanism is arranged inside the aluminum alloy frame main body. The invention improves the convenience of the lock catch main body during installation, improves the stability of the lock catch main body during installation, further improves the installation efficiency of the lock catch main body, solves the problems that the existing lock catch does not meet the industrial regulation during installation, has lower installation efficiency and increases the labor intensity of an operator, ensures the installation effect of the device, improves the installation efficiency of the operator, and has convenient operation and simple use, so that the operator can finish installation by one person alone.)

1. The utility model provides a thermal-insulated bridge cut-off aluminum alloy door and window locking structure, includes aluminum alloy frame main part (1), mounting bracket main part (2), colludes lock main part (3), hasp main part (4) and thermal-insulated bridge main part (5), aluminum alloy frame main part (1) right-hand member overlap joint has mounting bracket main part (2), mounting bracket main part (2) internally mounted has colludes lock main part (3), aluminum alloy frame main part (1) inside is embedded to have hasp main part (4), and colludes lock main part (3) and run through in hasp main part (4), aluminum alloy frame main part (1) inside is embedded to have thermal-insulated bridge main part (5), its characterized in that: the aluminum alloy frame lock is characterized in that an installation mechanism is arranged inside the lock catch main body (4), a transmission mechanism is arranged inside the aluminum alloy frame main body (1), a linkage mechanism is arranged inside the aluminum alloy frame main body (1), and a limiting mechanism is arranged inside the aluminum alloy frame main body (1).

2. The locking structure of the heat-insulating bridge-cut-off aluminum alloy door and window as claimed in claim 1, wherein: the installation mechanism comprises a sealing gasket (611), a jackscrew (612) and a connecting rod (613), the sealing gasket (611) is glued to the inner wall of the aluminum alloy frame main body (1), the other end of the sealing gasket (611) is glued to the mounting frame main body (2), and the connecting rod (613) is installed between the two heat insulation bridge main bodies (5).

3. The locking structure of the heat-insulating bridge-cut-off aluminum alloy door and window as claimed in claim 1, wherein: drive mechanism includes cavity (711), first spout (712), first slider (713), limiting plate (714), extrusion piece (715) and spring (716), cavity (711) have been seted up to aluminum alloy frame main part (1) inside, first spout (712) have been seted up to cavity (711) inside, first spout (712) inside is embedded to have first slider (713), the one end fixedly connected with limiting plate (714) of first spout (712) are kept away from in first slider (713), limiting plate (714) top fixedly connected with extrusion piece (715).

4. The locking structure of the heat-insulating bridge-cut-off aluminum alloy door and window as claimed in claim 3, wherein: the linkage mechanism comprises a first hinged rod (811), a rack (812), a second sliding chute (813), a second sliding block (814), a first gear (815), a rotating shaft (816) and a second gear (817), the right end of the limiting plate (714) is hinged with the first hinged rod (811), the other end of the first hinged rod (811) is hinged with the rack (812), the outer wall of the rack (812) is meshed with the first gear (815), the rotating shaft (816) is fixedly connected with the inside of the first gear (815), the bearing of the rotating shaft (816) is connected with the inner wall of the cavity (711), and the outer wall of the right end of the rotating shaft (816) is meshed with the second gear (817).

5. The locking structure of the heat-insulating bridge-cut-off aluminum alloy door and window as claimed in claim 4, wherein: the limiting mechanism comprises a threaded rod (911), a sleeve (912), a connecting block (913), a third sliding groove (914), a third sliding block (915), a telescopic rod (916), a limiting block (917) and a second hinged rod (918), the right end of the second gear (817) is fixedly connected with the threaded rod (911), the outer wall of the threaded rod (911) is sleeved with the sleeve (912), the bottom end of the sleeve (912) is fixedly connected with the connecting block (913), the third sliding groove (914) is arranged inside the cavity (711), the third sliding block (915) is embedded inside the third sliding groove (914), one end, far away from the third sliding groove (914), of the third sliding block (915) is fixedly connected with the connecting block (913), the inner wall of the cavity (711) is fixedly connected with the telescopic rod (916), the top end of the telescopic rod (916) is fixedly connected with the limiting block (917), and the limiting block (917, the bottom end of the limiting block (917) is hinged with a second hinged rod (918), and the other end of the second hinged rod (918) is hinged to the top end of the sleeve (912).

6. The locking structure of the heat-insulating bridge-cut-off aluminum alloy door and window as claimed in claim 3, wherein: the limiting plate (714) bottom welding has spring (716), and the spring (716) other end welds in cavity (711) inner wall.

7. The locking structure of the heat-insulating bridge-cut-off aluminum alloy door and window as claimed in claim 3, wherein: a second sliding groove (813) is formed in the cavity (711), a second sliding block (814) is embedded in the second sliding groove (813), and one end, far away from the second sliding groove (813), of the second sliding block (814) is fixedly connected to the rack (812).

8. The locking structure of the heat-insulating bridge-cut-off aluminum alloy door and window as claimed in claim 3, wherein: the shape of the limiting plate (714) and the shape of the extrusion block (715) are both set to be rectangular, and the length of the limiting plate (714) is greater than that of the extrusion block (715).

9. The locking structure of the heat-insulating bridge-cut-off aluminum alloy door and window as claimed in claim 5, wherein: the shape of the outer wall of the threaded rod (911) and the shape of the inner wall of the sleeve (912) are both in a threaded shape, and the shape of the outer wall of the threaded rod (911) and the shape of the inner wall of the sleeve (912) are matched with each other.

10. The locking structure of the heat-insulating bridge-cut-off aluminum alloy door and window as claimed in claim 2, wherein: the lock catch main body (4) is internally provided with an inclined slotted hole, the inner shape of the slotted hole is set to be a thread shape, and the outer wall shape of the jackscrew (612) is matched with the inner shape of the slotted hole.

11. The locking structure of the heat-insulating bridge-cut-off aluminum alloy door and window as claimed in claim 3, wherein: the shape of the extrusion block (715) is a right trapezoid, and the shape of the front end of the extrusion block (715) is an inclined shape.

Technical Field

The invention relates to the technical field of aluminum alloy doors and windows, in particular to a locking structure of a heat-insulation bridge-cutoff aluminum alloy door and window.

Background

The heat insulation bridge-cutoff aluminum alloy door and window is an improved type for improving the heat insulation effect of the aluminum alloy door and window, and the aluminum alloy door and window are insulated by arranging the nylon heat insulation strips inside, so that the heat conduction between the aluminum strips is avoided, for example, a door plate locking structure disclosed by the publication number CN 101074593B; for example, the window and door locking device disclosed in the publication No. CN111058705A can provide reliable locking for the window and door in the open state, and ensure that the window and door will not be unhooked during the window opening operation, and by the newly designed window and door locking structure, the advantages of rapid locking, rapid release, reliable locking, simple operation, etc. can be achieved; for example, the locking structure with the telescopic trigger disclosed in the publication No. CN106013988B is opened by pressing the telescopic trigger at the mark with the key of the car, and the mark can cover the telescopic trigger, so that the telescopic trigger has concealment, and the safety performance of the locking structure with the telescopic trigger is improved.

Current thermal-insulated bridge cut-off aluminum alloy door and window locking structure is when installing the hasp, the screw of some thermal-insulated bridge cut-off aluminum alloy door and window's hasp often beats on heat insulating strip fixedly, be not conform to the trade standard requirement like this, and can't guarantee follow-up heat insulating strip's use, and present heat insulating strip often need two sets of embedding frames in proper order inside when the installation, operator's intensity of labour has been increased, and the operator is when installing the hasp in required position, the position of not only unable quick searching installation, and the operator need hold up the hasp for a long time, the screw is installed to another hand, not only installation effectiveness is lower, and the operator is relatively poor when the installation, consequently, need a neotype thermal-insulated bridge cut-off aluminum alloy door and window locking structure to solve above.

Disclosure of Invention

The invention aims to provide a locking structure of a heat-insulation bridge-cut-off aluminum alloy door and window, which aims to solve the problems that the existing lock catch in the background art does not meet the industrial regulations during installation, the installation efficiency is low, and the labor intensity of an operator is increased.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a thermal-insulated bridge cut-off aluminum alloy door and window locking structure, includes aluminum alloy frame main part, mounting bracket main part, colludes lock main part, hasp main part and thermal-insulated bridge main part, aluminum alloy frame main part right-hand member overlap joint has the mounting bracket main part, mounting bracket main part internally mounted has colludes the lock main part, the inside embedded hasp main part that has of aluminum alloy frame main part, and collude the lock main part and run through in the hasp main part, the inside embedded thermal-insulated bridge main part that has of aluminum alloy frame main part, the inside installation mechanism that is provided with of hasp main part, the inside drive mechanism that is provided with of aluminum alloy frame main part, the inside link gear that is.

Preferably, the installation mechanism comprises a sealing gasket, a jackscrew and a connecting rod, the inner wall of the aluminum alloy frame main body is glued with the sealing gasket, the other end of the sealing gasket is glued with the mounting frame main body, and the connecting rod is installed between the two groups of heat insulation bridge main bodies.

Preferably, drive mechanism includes cavity, first spout, first slider, limiting plate, extrusion piece and spring, the inside cavity of having seted up of aluminum alloy frame main part, the inside first spout of having seted up of cavity, the inside embedded first slider that has of first spout, the one end fixedly connected with limiting plate of first spout is kept away from to first slider, limiting plate top fixedly connected with extrusion piece.

Preferably, the link gear includes first hinge bar, rack, second spout, second slider, first gear, pivot and second gear, the limiting plate right-hand member articulates there is first hinge bar, the first hinge bar other end articulates there is the rack, the meshing of rack outer wall has first gear, the inside fixedly connected with pivot of first gear, and the pivot bearing is connected with the cavity inner wall, the meshing of pivot right-hand member outer wall has the second gear.

Preferably, stop gear includes threaded rod, sleeve pipe, connecting block, third spout, third slider, telescopic link, stopper and second hinge bar, second gear right-hand member fixedly connected with threaded rod, threaded rod outer wall cover is equipped with the sleeve pipe, sleeve pipe bottom fixedly connected with connecting block, the inside third spout of having seted up of cavity, the inside third slider that has inlayed of third spout, and the one end fixed connection that the third spout was kept away from to the third slider in the connecting block, cavity inner wall fixedly connected with telescopic link, telescopic link top fixedly connected with stopper, and the stopper is embedded in aluminum alloy frame main part, the stopper bottom articulates there is the second hinge bar, and the second hinge bar other end articulates in the sleeve pipe top.

Preferably, the limiting plate bottom welding has the spring, and the spring other end welds in the cavity inner wall.

Preferably, a second sliding groove is formed in the cavity, a second sliding block is embedded in the second sliding groove, and one end, far away from the second sliding groove, of the second sliding block is fixedly connected to the rack.

Preferably, the shape of the limiting plate and the shape of the extrusion block are both set to be rectangular, and the length of the limiting plate is greater than that of the extrusion block.

Preferably, the shape of the outer wall of the threaded rod and the shape of the inner wall of the sleeve are both in a thread shape, and the shape of the outer wall of the threaded rod and the shape of the inner wall of the sleeve are matched with each other.

Preferably, an inclined slotted hole is formed in the lock catch main body, the inner shape of the slotted hole is a thread shape, and the shape of the outer wall of the jackscrew is matched with the shape of the inner part of the slotted hole.

Preferably, the shape of the extrusion block is a right trapezoid, and the shape of the front end of the extrusion block is an inclined shape.

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

the locking structure of the heat insulation bridge-cut-off aluminum alloy door and window is provided with a sealing gasket, a jackscrew and a connecting rod, through the design, the sealing performance of an aluminum alloy frame main body and a mounting frame main body after installation is ensured, the jackscrew can be set to prevent a lock catch main body from directly driving screws into the heat insulation bridge main body when the lock catch main body is installed, the protection effect of the heat insulation bridge main body is ensured, two groups of heat insulation bridge main bodies can be installed in the aluminum alloy frame main body together, the installation efficiency of the heat insulation bridge main body is improved, meanwhile, a cavity, a first sliding groove, a first sliding block, a limiting plate, an extrusion block and a spring are arranged, through the design, the extrusion block can be extruded when the heat insulation bridge main body slides downwards, the normal installation of the heat insulation bridge main body is ensured, through the sliding effect of the first sliding block in the first sliding groove, the stability of the extrusion block when the extrusion block moves is, the lock catch comprises a first hinge rod, a rack, a second chute, a second slide block, a first gear, a rotating shaft and a second gear, wherein the first gear and the rotating shaft are driven to rotate by the left-right movement of the rack, the stability of the rack during movement can be further ensured by the sliding action of the second slide block in the second chute, a threaded rod, a sleeve, a connecting block, a third chute, a third slide block, a telescopic rod, a limiting block and the second hinge rod are arranged at the same time, the sleeve can be driven to move left and right along the threaded rod through the setting of the threaded rod and the threaded connection of the sleeve, the stability of the sleeve during movement is ensured by the sliding action of the third slide block in the third chute, the limiting block can be driven to move up and down through the movement of the sleeve, so that the lock catch main body is supported through the limiting block, the convenience of the installation of the lock catch main body is improved, the installation efficiency of hasp main part has further been promoted, and the device has solved present hasp and has not conform to the trade regulation when the installation, and the installation efficiency is lower, has increased operator's intensity of labour's problem, has guaranteed the installation effect of device, has promoted operator's installation efficiency, and the device simple operation, and is simple to use, makes alone the installation of operator can alone.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a right side view of the present invention;

FIG. 3 is a schematic diagram of a right side view cross-section of the present invention;

FIG. 4 is a schematic view of the assembled latch body of the present invention;

FIG. 5 is a schematic view of the structure of the latch body of the present invention before installation;

FIG. 6 is an enlarged view of the structure at A in FIG. 3 according to the present invention;

FIG. 7 is an enlarged view of the structure at B in FIG. 4 according to the present invention;

FIG. 8 is an enlarged view of the structure at C of FIG. 4 according to the present invention;

FIG. 9 is an enlarged view of the structure of FIG. 4;

FIG. 10 is a partial structural diagram of a right side view of the first gear, the rotating shaft, and the second gear of the present invention;

fig. 11 is a partial structural diagram of a hook lock according to the present invention.

In the figure: 1. an aluminum alloy frame main body; 2. a mounting bracket main body; 3. a hook lock body; 4. a lock catch main body; 5. a thermally insulated bridge body; 611. a gasket; 612. carrying out top thread; 613. a connecting rod; 711. a chamber; 712. a first chute; 713. a first slider; 714. a limiting plate; 715. extruding the block; 716. a spring; 811. a first hinge lever; 812. a rack; 813. a second chute; 814. a second slider; 815. a first gear; 816. a rotating shaft; 817. a second gear; 911. a threaded rod; 912. a sleeve; 913. connecting blocks; 914. a third chute; 915. a third slider; 916. a telescopic rod; 917. a limiting block; 918. a second hinge rod.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-11, an embodiment of the present invention:

the utility model provides a thermal-insulated bridge cut-off aluminum alloy door and window locking structure, including aluminum alloy frame main part 1, mounting bracket main part 2, collude lock main part 3, hasp main part 4 and thermal-insulated bridge main part 5, 1 right-hand member overlap joint of aluminum alloy frame main part has mounting bracket main part 2, 2 internally mounted of mounting bracket main part have collude lock main part 3, 1 inside embedded hasp main part 4 that has of aluminum alloy frame main part, and collude lock main part 3 and run through in hasp main part 4, 1 inside embedded thermal-insulated bridge main part 5 of aluminum alloy frame main part, 4 inside installation mechanisms that are provided with of hasp main part, 1 inside drive mechanism that is provided with of aluminum alloy frame main part, 1 inside link gear that is provided with.

As can be seen from fig. 1, fig. 2 and fig. 11, the mounting mechanism includes a sealing gasket 611, a jackscrew 612 and a connecting rod 613, the sealing gasket 611 is adhered to the inner wall of the aluminum alloy frame main body 1, the other end of the sealing gasket 611 is adhered to the mounting bracket main body 2, the sealing gasket 611 is made of hard rubber, and has elasticity and strong sealing performance, which can ensure the sealing effect of the device, and can buffer between the aluminum alloy frame main body 1 and the mounting bracket main body 2, and the connecting rod 613 is installed between two sets of the thermal insulation bridge main bodies 5, by setting the sealing gasket 611, the sealing performance after the aluminum alloy frame main body 1 and the mounting bracket main body 2 are mounted is ensured, by setting the jackscrew 612, the lock catch main body 4 can be prevented from directly hitting a screw inside the thermal insulation bridge main body 5 when being mounted, the protection effect of the thermal insulation bridge main body 5 is ensured, by setting the connecting rod 613, the, the installation efficiency of thermal-insulated bridge main part 5 has been promoted, the slope form slotted hole has been seted up to hasp main part 4 inside, and the inside shape of slotted hole sets up to the screw thread form, jackscrew 612 outer wall shape and the inside shape of slotted hole coincide each other, through the settlement of slotted hole slope form, when jackscrew 612 is when getting into the slotted hole, can directly push up the frame inner wall of seting up in aluminum alloy frame main part 1 outside, effect through jackscrew 612 and slotted hole threaded connection, the stability of mounting bracket main part 2 has been guaranteed, and avoided causing the damage to thermal-insulated bridge main part 5.

As shown in fig. 3, 4, 5, 6 and 7, the transmission mechanism includes a cavity 711, a first sliding groove 712, a first sliding block 713, a limiting plate 714, an extrusion block 715 and a spring 716, the cavity 711 is formed inside the aluminum alloy frame body 1, the first sliding groove 712 is formed inside the cavity 711, the first sliding block 713 is embedded inside the first sliding groove 712, one end of the first sliding block 713, which is far away from the first sliding groove 712, is fixedly connected with the limiting plate 714, the top end of the limiting plate 714 is fixedly connected with the extrusion block 715, the stability of the extrusion block 715 during moving is improved by the sliding action of the first sliding block 713 inside the first sliding groove 712, the spring 716 is welded to the bottom end of the limiting plate 714, the other end of the spring 716 is welded to the inner wall of the cavity 711, the stability of the thermal insulation bridge body 5 can be improved by upward extruding the extrusion block 715 through the spring 716, and the, when thermal-insulated bridge main part 5 can drive extrusion piece 715 rebound when demolising, thereby be convenient for to the reinstallation of hasp main part 4, the shape of limiting plate 714 and extrusion piece 715's shape all set up to the rectangle, and the length of limiting plate 714 is greater than extrusion piece 715's length, it prescribes a limit to extrusion piece 715's removal interval through limiting plate 714, it leads to extrusion piece 715 to break away from inside the cavity 711 to avoid spring 716 to drive extrusion piece 715 rebound, thereby lead to the unable repetitious usage of device, extrusion piece 715 shape sets up to right trapezoid, and extrusion piece 715's front end shape sets up to the slope form, when thermal-insulated bridge main part 5 is moving downwards, can directly pass through the settlement of extrusion piece 715 shape, make thermal-insulated bridge main part 5 extrude extrusion piece 715 downwards, the normal mounting of thermal-insulated bridge main part 5 has been guaranteed.

As can be seen from fig. 4, 5, 8 and 10, the linkage mechanism includes a first hinge rod 811, a rack 812, a second chute 813, a second slider 814, a first gear 815, a rotating shaft 816 and a second gear 817, the right end of the limit plate 714 is hinged with the first hinge rod 811, the other end of the first hinge rod 811 is hinged with the rack 812, the outer wall of the rack 812 is engaged with the first gear 815, the rotating shaft 816 is fixedly connected inside the first gear 815, the rotating shaft 816 is connected with the inner wall of the chamber 711 in a bearing manner, the outer wall of the right end of the rotating shaft 816 is engaged with the second gear 817, the first gear 815 and the rotating shaft 816 are driven to rotate by the left-right movement of the rack 812, the installation efficiency of the operator can be further improved by the mechanism, the second chute 813 is formed inside the chamber 711, the second slider 814 is embedded inside the second chute 813, and one end of the second slider 814 far from the second, by this sliding mechanism, the movement of the rack 812 can be guided, and the stability of the rack 812 when moving is further improved.

As shown in fig. 4, fig. 5 and fig. 9, the limiting mechanism includes a threaded rod 911, a sleeve 912, a connecting block 913, a third sliding groove 914, a third sliding block 915, a telescopic rod 916, a limiting block 917, and a second hinged rod 918, a threaded rod 911 is fixedly connected to the right end of the second gear 817, the outer wall of the threaded rod 911 is sleeved with the sleeve 912, the bottom end of the sleeve 912 is fixedly connected with the connecting block 913, the chamber 711 is internally provided with the third sliding groove 914, the third sliding groove 914 is internally embedded with the third sliding block 915, one end of the third sliding block 915, which is far away from the third sliding groove 914, is fixedly connected to the connecting block 913, the inner wall of the chamber 711 is fixedly connected with the telescopic rod 916, the top end of the telescopic rod 916 is fixedly connected with a limiting block 917, the limiting block 917 is embedded in the aluminum alloy frame body 1, the bottom end of the limiting block 917 is, the stability of the sleeve 912 when moving is ensured, the up-and-down movement of the limit block 917 can be driven by the movement of the sleeve 912, the locking main body 4 is supported by the limit block 917, the convenience of the locking main body 4 in installation is improved, the stability of the locking main body 4 in installation is improved, the installation efficiency of the locking main body 4 is further improved, the outer wall shape of the threaded rod 911 and the inner wall shape of the sleeve 912 are both set to be threaded, the outer wall shape of the threaded rod 911 and the inner wall shape of the sleeve 912 are matched with each other, when the threaded rod 911 rotates, the sleeve 912 can be driven to move left and right on the outer surface of the threaded rod 911 through the threaded connection effect of the threaded rod 911 and the sleeve 912, the stability of the sleeve 912 when moving is ensured, the limit block 917 is pushed to move upwards, the telescopic rod 916 consists of an upper rod and a lower rod, the upper rod is embedded in, through the setting of telescopic link 916, the stability of stopper 917 when reciprocating has further been guaranteed.

The working principle is as follows: when the heat insulation bridge main body 5 and the lock catch main body 4 need to be installed, two groups of heat insulation bridge main bodies 5 are embedded into the aluminum alloy frame main body 1, the extrusion block 715 is extruded by the heat insulation bridge main body 5, the extrusion block 715 is driven to move downwards, the limiting plate 714 is driven to slide downwards through the sliding effect of the first slider 713 in the first sliding groove 712, the spring 716 generates elastic deformation, the limiting plate 714 drives the left end of the first hinge rod 811 to move downwards, the right end of the first hinge rod 811 is driven to move rightwards, the first sliding groove 712 is driven to move rightwards through the sliding effect of the second slider 814 in the second sliding groove 813, the first gear 815 and the rotating shaft 816 are driven to rotate through the meshing effect of the rack 812 and the first gear 815, and the second gear 817 is driven to rotate through the meshing effect of the first gear 815 and the second gear 817;

when threaded rod 911 rotates, effect through threaded rod 911 and sleeve pipe 912 threaded connection, it moves sleeve pipe 912 right, and through the inside gliding effect of third slider 915 at third spout 914, guarantee the stability of sleeve pipe 912 when removing, it moves right to drive second articulated rod 918 bottom through sleeve pipe 912, thereby drive stopper 917 rebound, telescopic link 916 comprises upper boom and lower beam, and the upper boom is embedded in the lower beam, rebound through stopper 917 drives telescopic link 916 and stretches, further guarantee the stability of stopper 917 when reciprocating, rotatory inside sets up this operation and finishes.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.