CN219492135U - Aluminum alloy door and window bend drainage structures - Google Patents

Abstract

The application relates to an aluminum alloy door and window bend drainage structures relates to door and window bend drainage technical field, and it includes the aluminum alloy body, the mounting groove has been seted up at the top of aluminum alloy body, be provided with drainage mechanism in the mounting groove, drainage mechanism include with the water catch bowl that the aluminum alloy body can be dismantled and be connected, water catch bowl open-top, be provided with the drain bar in the water catch bowl, the one end that the aluminum alloy body was kept away from to the drain bar inclines to the one end that is close to ground, the wash port has been seted up on the drain bar, the drain bar with the lateral wall of water catch bowl forms the water storage chamber. This application reduces the water stain on the aluminum alloy door and window.

Description

Aluminum alloy door and window bend drainage structures

Technical Field

The application relates to the technical field of drainage of doors and windows curved ways, in particular to an aluminum alloy door and window curved way drainage structure.

Background

The door and window is the important component in the house-hold setting, and the installation of door and window is good or bad in the work progress directly influences later stage door and window service behavior, and door and window bend drainage is wherein important component, because aluminum alloy section bar is easy to form, and has all betterly such as gas tightness, water proofness, therefore, aluminum alloy door and window uses comparatively extensively, and drainage structure is the important component of aluminum alloy door and window.

At present, the drainage system of the aluminum alloy door and window commonly used comprises an aluminum alloy body, a drainage groove inclined to the ground is formed in the top of the aluminum alloy body, a drainage opening communicated with the drainage groove is formed in the side wall of the aluminum alloy body, the bottom end of the drainage opening is flush with the bottom end of the drainage groove, and a drainage piece used for reducing water discharged from the drainage opening to flow down along the front side wall is arranged on the side wall of the aluminum alloy.

With respect to the related art described above, the inventors considered that since the drain groove is inclined toward the ground, water in the aluminum alloy body flows to accumulate on the side of the drain groove near the ground, and part of the water is discharged from the drain opening, but water stains remain in the drain groove, causing damage to the aluminum alloy body.

Disclosure of Invention

In order to reduce the water stain on the aluminum alloy door and window, reduce the damage to the aluminum alloy door and window, this application provides an aluminum alloy door and window bend drainage structures.

The application provides a pair of aluminum alloy door and window bend drainage structures adopts following technical scheme:

the utility model provides an aluminum alloy door and window bend drainage structures, includes the aluminum alloy body, the mounting groove has been seted up at the top of aluminum alloy body, be provided with drainage mechanism in the mounting groove, drainage mechanism include with the water catch bowl that aluminum alloy body can dismantle the connection, water catch bowl open-top is provided with the drain bar in the water catch bowl, the one end that aluminum alloy body was kept away from to the drain bar is to the one end slope near ground, the wash port has been seted up on the drain bar, the drain bar with the lateral wall of water catch bowl forms the water storage chamber.

Through adopting above-mentioned technical scheme, drainage mechanism mainly used collects the water on the aluminum alloy body, reduces the influence of water to the aluminum alloy body, and water flows into the water catch bowl from the aluminum alloy body, because the drain bar slope sets up, and water flows into the water storage chamber from the wash port, because the water catch bowl can dismantle with the aluminum alloy body and be connected, after storing full water in the water storage chamber, dismantle the water catch bowl from the aluminum alloy body, discharge the water in the water catch bowl. The use of the water collecting box reduces water stains on the aluminum alloy body, reduces the damage of water to the aluminum alloy body, and prolongs the service life of the aluminum alloy body.

Optionally, a plurality of spacing groove has been seted up on the mounting groove lateral wall, the draw-in groove has been seted up on the lateral wall of spacing groove, fixedly on the lateral wall of water collection box be provided with the elastic component that spacing groove quantity is the same, fixedly on the lateral wall of elastic component be provided with the fixture block.

Through adopting above-mentioned technical scheme, the elastic component inlays to be established in the spacing groove, and the elastic component takes place to warp and produces elasticity, and elasticity effect is on the lateral wall of spacing groove, and the lateral wall of spacing groove forms the support to the elastic component to fixed water catch cartridge. When the clamping block is right opposite to the clamping groove, the clamping block is embedded in the clamping groove, and the side wall of the clamping groove supports the clamping block, so that the elastic piece is fixed, the elastic piece is prevented from moving, the water collecting box falls from the mounting groove, and the stability of the water collecting box is improved.

Optionally, the fixed pushing mechanism that is provided with on the lateral wall of catchment box promotes rivers on the drain bar, pushing mechanism include with the installation axle that catchment box lateral wall rotates to be connected, the cover is established on the installation axle with installation axle fixed connection's wind spring and follow catchment box lateral wall sliding connection's sliding plate, the sliding plate with wind spring fixed connection.

Through adopting above-mentioned technical scheme, pushing mechanism is used for driving the water on the drain bar, and the operator promotes the sliding plate and removes, and the sliding plate promotes the water removal, and water gathers in the one side that the installation axle was kept away from to the sliding plate, when water through the wash port, water flows into the water storage chamber from the wash port, further clears away the water on the drain bar, avoids remaining water to cause the influence to the drain bar on the drain bar, improves the life of drain bar.

Optionally, the inclination of sliding plate bottom is the same with the inclination of drain bar, the fixed wiper brush that is provided with in bottom of sliding plate.

Through adopting above-mentioned technical scheme, the use of scraping the water brush has reduced the friction between sliding plate and the drain bar, has improved the life of sliding plate, is convenient for also clear up the water on the sliding plate simultaneously.

Optionally, a sealing gasket for sealing the joint of the water collecting box and the aluminum alloy body is fixedly arranged on the side wall of the water collecting box.

Through adopting above-mentioned technical scheme, the use of sealed pad can avoid the water on the aluminum alloy body to flow in from the junction of aluminum alloy body and water catch bowl, has further reduced the damage of water to the aluminum alloy body.

Optionally, a filter screen covering the drain hole is arranged on the drain board, and a flow hole is formed in the filter screen.

Through adopting above-mentioned technical scheme, the use reducible impurity such as dust of filter screen gets into the water storage chamber to reduce impurity and block up the phenomenon of wash port, influence drainage mechanism's drainage effect.

Optionally, the fixed slot has been seted up at the top of drain bar, the fixed slot with the wash port is coaxial to be set up, the filter screen is located in the fixed slot, the filter screen with drain bar threaded connection.

Through adopting above-mentioned technical scheme, place the filter screen in the fixed slot, can avoid the filter screen arch to cause the influence to the drainage of drain bar, filter screen and drain bar threaded connection simultaneously, when the filter screen is blocked by impurity, can take off the collar and wash.

Optionally, a circulation groove for discharging water in the water storage cavity is formed in the side wall of the water collection box, and a sealing piece embedded in the circulation groove is arranged on the water collection box.

Through adopting above-mentioned technical scheme, after being full of water in the water-collecting box, take off aluminium box gold body in the water-collecting box, pull out the sealing member from the circulation groove afterwards, make water flow from the water-collecting box, be convenient for clear up the water in the water-collecting box.

Optionally, the constant head tank has been seted up on the aluminum alloy body, the water catch bowl bottom seted up with the cooperation groove of constant head tank cooperation use, the constant head tank internal fixation is provided with locating component, locating component includes the ball, the ball with fixedly between the constant head tank bottom is provided with the spring.

Through adopting above-mentioned technical scheme, locating component is used for fixing the water collecting box on the aluminum alloy body, installs the in-process on the aluminum alloy body with the water collecting box, and the ball is pressed to the bottom of water collecting box, and the ball presses the spring to make the spring be in compression state, and when the ball just faces with the cooperation groove, spring compression produces elasticity, makes the ball inlay and establishes in the cooperation groove to fixed water collecting box improves the stability of water collecting box.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the water collection box reduces water stains on the aluminum alloy body, reduces damage of water to the aluminum alloy body, and prolongs the service life of the aluminum alloy body;

2. the matching use of the clamping blocks and the clamping grooves and the use of the fixing assembly improve the stability of the connection between the aluminum box gold body and the water collection box;

3. the use of the pushing mechanism reduces the water on the drain board, avoids the influence of residual water on the drain board, and prolongs the service life of the drain board.

Drawings

FIG. 1 is a schematic diagram of a curve drainage structure of an aluminum alloy door and window according to an embodiment of the present application;

FIG. 2 is an exploded view of an embodiment of the present application exposing a flow cell;

FIG. 3 is an enlarged view of FIG. 2A of the embodiment of the present application;

FIG. 4 is an exploded view of an embodiment of the present application exposing drain holes;

FIG. 5 is a cross-sectional view of an embodiment of the present application exposing a water reservoir;

FIG. 6 is a cross-sectional view of an embodiment of the present application exposing an elastic member;

FIG. 7 is an enlarged view at B in FIG. 6 of an embodiment of the present application;

FIG. 8 is an enlarged view at C in FIG. 5 of an embodiment of the present application;

FIG. 9 is a schematic structural view of a seal according to an embodiment of the present application;

fig. 10 is an enlarged view of fig. 6D in the embodiment of the present application.

Reference numerals illustrate: 1. an aluminum alloy body; 11. a mounting groove; 12. a limit groove; 13. a clamping groove; 14. a positioning groove; 15. a chute; 2. a drainage mechanism; 21. a water collecting box; 211. a sealing gasket; 22. a drain plate; 221. a drain hole; 222. a filter screen; 223. a fixing groove; 23. a water storage chamber; 231. a waterproof layer; 24. an elastic member; 241. a first elastic sheet; 242. a second elastic sheet; 25. a clamping block; 26. a flow channel; 27. a mating groove; 28. a slide block; 3. a pushing mechanism; 31. a mounting shaft; 32. a coil spring; 33. a sliding plate; 34. a wiper brush; 4. a seal; 41. a fixed block; 42. a rubber layer; 43. a mounting block; 5. a positioning assembly; 51. a ball; 52. and (3) a spring.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-10.

The embodiment of the application discloses an aluminum alloy door and window bend drainage structure. Referring to fig. 1, an aluminum alloy door and window curve drainage structure comprises an aluminum alloy body 1, wherein a mounting groove 11 is formed in the aluminum alloy body 1, and a drainage mechanism 2 is arranged in the mounting groove 11. The water on the aluminum alloy body 1 flows into the drainage mechanism 2, so that the damage of the water to the aluminum alloy body 1 is reduced, and the service life of the aluminum alloy body 1 is prolonged.

Referring to fig. 2 and 3, the drainage mechanism 2 includes a water collecting box 21 detachably connected with the aluminum alloy body 1, the water collecting box 21 is arranged in a plurality along the length direction of the mounting groove 11, the water collecting box 21 is made of an aluminum alloy material, the water collecting box 21 is a cuboid with an open top, and the side wall of the water collecting box 21 and the bottom of the water collecting box 21 are all in butt joint with the aluminum alloy body 1. A plurality of sliding grooves 15 are formed in the bottom of the mounting groove 11, sliding blocks 28 embedded in the sliding grooves 15 and in sliding connection with the sliding grooves 15 are fixedly arranged at the bottom of the water collecting box 21 in a welding mode, and the number of the sliding blocks 28 is two.

Referring to fig. 4 and 5, the inside drain plate 22 that is provided with of water collection box 21, the one end that keeps away from aluminum alloy body 1 in the drain plate 22 horizontal direction is to being close to the one end slope on ground, the virtual contained angle that drain plate 22 and ground formed is the acute angle, drain plate 22 adopts aluminum alloy material to make, the both ends of drain plate 22 all pass through welded mode fixed connection with the inside of water collection box 21, the bottom of drain plate 22 and the bottom and the lateral wall of water collection box 21 form water storage chamber 23, the lateral wall and the bottom of water storage chamber 23 all are provided with waterproof layer 231, waterproof layer 231 adopts rubber materials to make, waterproof layer 231 and water collection box 21 pass through gluey mode fixed connection.

A plurality of drain holes 221 are formed in one end, far away from the aluminum alloy body 1, of the drain plate 22, and the drain holes 221 penetrate from the top of the drain plate 22 to the bottom of the drain plate 22. The water on the aluminum alloy body 1 flows into the water collection box 21 along the aluminum alloy surface, and the water flows into the water storage cavity 23 from the water drain holes 221 due to the inclined arrangement of the water drain plate 22, so that the water on the aluminum alloy body 1 is reduced.

The top of the drain plate 22 is provided with fixing grooves 223, the shape of the fixing grooves 223 is the same as that of the drain holes 221, the fixing grooves 223 are coaxially arranged with the drain holes 221, and the number of the fixing grooves 223 is the same as that of the drain holes 221. The drain plate 22 is provided with a filter screen 222 covering the opening of the drain hole 221, the height of the filter screen 222 is the same as the depth of the fixed groove 223, the filter screen 222 is positioned in the fixed groove 223, the side wall of the filter screen 222 is provided with external threads, the inner wall of the fixed groove 223 is provided with internal threads, and the filter screen 222 is in threaded connection with the drain plate 22. The use of the filter screen 222 can reduce the impurity such as dust entering the water storage cavity 23, thereby reducing the phenomenon that the impurity blocks the drain hole 221, affecting the drainage effect of the drainage mechanism 2, placing the filter screen 222 in the fixed groove 223 can avoid the influence of the protrusion of the filter screen 222 on the drainage of the drain board 22, and simultaneously the filter screen 222 is in threaded connection with the drain board 22, when the filter screen 222 is blocked by the impurity, the filter screen 222 can be taken down for cleaning.

Referring to fig. 6 and 7, a plurality of limiting grooves 12 are formed in the side wall of the mounting groove 11, the cross section of each limiting groove 12 is rectangular, clamping grooves 13 are formed in the side wall of each limiting groove 12, the number of the clamping grooves 13 is two, the clamping grooves 13 are symmetrical along the virtual center line of the horizontal direction of the mounting groove 11, and the cross section of each clamping groove 13 is triangular. The side wall of the water collection box 21 is fixedly provided with elastic pieces 24, the number of the elastic pieces 24 is the same as that of the limiting grooves 12, each elastic piece 24 comprises a first elastic piece 241 and a second elastic piece 242 which is symmetrical to the first elastic piece 241, the cross section of each first elastic piece 241 is rectangular, the shape and the size of each second elastic piece 242 are equal to those of each first elastic piece 241, one end of each first elastic piece 241 and one end of each second elastic piece 242 are fixedly connected with the side wall of the water collection box 21 in a welding mode, and the virtual center line of each first elastic piece 241 is parallel to the virtual center line of each second elastic piece 242.

The clamping block 25 is fixedly arranged on one side, far away from the second elastic piece 242, of the first elastic piece 241 in a welding mode, the cross section of the clamping block 25 is triangular, the clamping block 25, identical in shape and size to those on the first elastic piece 241, is arranged on one side, far away from the first elastic piece 241, of the second elastic piece 242, and the clamping block 25 is fixedly connected with the second elastic piece 242 in a welding mode.

When the water collection box 21 is installed on the aluminum alloy body 1, the first elastic piece 241 and the second elastic piece 242 slide along the depth direction of the limiting groove 12, when the clamping block 25 contacts with the side wall of the limiting groove 12, the side wall of the limiting groove 12 presses the first elastic piece 241 and the second elastic piece 242, so that the first elastic piece 241 and the second elastic piece 242 incline towards the direction close to each other, the first elastic piece 241 and the second elastic piece 242 are elastically deformed, the clamping block 25 slides along the side wall of the limiting block, when the clamping block 25 is aligned with the clamping groove 13, the clamping block 25 is embedded in the clamping groove 13 due to the elastic force generated by deformation of the first elastic piece 241 and the second elastic piece 242, the side wall of the clamping groove 13 supports the clamping block 25, the movement of the elastic card is limited, the movement of the water collection box 21 is limited, and the stability of the water collection box 21 is improved.

The water collecting box 21 is provided with a sealing pad 211 on the side wall close to the aluminum alloy body 1, the sealing pad 211 is made of rubber materials, the joint of the water collecting box 21 and the aluminum alloy body 1 can be sealed, the damage of water to the aluminum alloy body 1 is further reduced, the sealing pad 211 is fixedly connected with the side wall of the water collecting box 21 in a sticky mode, and the sealing pad 211 is located on one side, far away from the ground, of the elastic clamping block 25.

Referring to fig. 8, a plurality of positioning grooves 14 are formed in the aluminum alloy body 1, the cross section of each positioning groove 14 is circular, a matching groove 27 matched with each positioning groove 14 is formed in the bottom of the water collecting box 21, the cross section of each matching groove 27 is arc-shaped, a positioning assembly 5 is arranged in each positioning groove 14, each positioning assembly 5 comprises a ball 51 and a spring 52, the balls 51 are embedded in the corresponding positioning grooves 14, the springs 52 are located between the balls 51 and the bottoms of the corresponding positioning grooves 14, one ends of the springs 52 are fixedly connected with the balls 51 in a welding mode, and the other ends of the springs 52 are fixedly connected with the bottoms of the corresponding positioning grooves 14 in a welding mode. In the process of installing the water collection box 21 on the aluminum alloy body 1, the bottom of the water collection box 21 presses the ball 51, the ball 51 presses the spring 52 to enable the spring 52 to be in a compressed state, when the ball 51 is aligned with the matching groove 27, the spring 52 is compressed to generate elasticity, and the ball 51 is embedded in the matching groove 27, so that the water collection box 21 is fixed, and the stability of the water collection box 21 is further improved.

Referring to fig. 2 and 9, a circulation groove 26 for discharging water in the water storage cavity 23 is formed in one side, far away from the aluminum alloy body 1, of the water collection box 21, the circulation groove 26 penetrates through the inner wall of the water collection box 21 from the outer wall of the water collection box 21, the section of the circulation groove 26 is rectangular, a sealing piece 4 embedded in the circulation groove 26 is arranged on the water collection box 21, the sealing piece 4 comprises a fixing block 41 embedded in the circulation groove 26, the fixing block 41 is rectangular, a rubber layer 42 is fixedly arranged on the side wall of the fixing block 41 in an adhesive mode, when the fixing block 41 is embedded in the circulation groove 26, the side wall of the circulation groove 26 extrudes the rubber layer 42, the rubber layer 42 deforms to generate elasticity, the elasticity acts on the side wall of the circulation groove 26, a gap between the fixing block 41 and the circulation groove 26 is reduced, and water is prevented from flowing out of the water storage cavity 23. One side of the fixed block 41 is provided with an installation block 43, the installation block 43 is rectangular, and the installation block 43 and the fixed block 41 are fixedly connected in a welding mode. After the water collection box 21 is filled with water, the aluminum box gold body in the water collection box 21 is taken down, an operator pulls the mounting block 43 to the side far away from the fixed block 41, the sealing piece 4 is pulled out of the circulation groove 26, so that water flows out of the water collection box 21, and the water in the water collection box 21 is cleaned conveniently.

Referring to fig. 6 and 10, a pushing mechanism 3 for pushing water flowing on the drain plate 22 is fixedly provided on a side wall of the water collecting box 21, and the pushing mechanism 3 includes a mounting shaft 31, a coil spring 32, and a sliding plate 33. The installation shaft 31 is rotationally connected with the side wall of the water collecting tank, the installation shaft 31 is arranged in the horizontal direction, and the installation shaft 31 is circular in shape; the coil spring 32 is sleeved on the mounting shaft 31, one end of the coil spring 32 is fixedly connected with the mounting shaft 31 in a welding mode, and the other end of the coil spring 32 is fixedly connected with the sliding plate 33 in a welding mode; the cross-section of the sliding plate 33 is in a right trapezoid shape, the sliding plate 33 is in sliding connection with the inner wall of the water collecting box 21, the bottom of the sliding plate 33 is an inclined side, and the inclination angle of the bottom of the sliding plate 33 is the same as that of the drain plate 22.

The bottom of the sliding plate 33 is fixedly provided with a wiper brush 34 by an adhesive manner, and the length of the wiper brush 34 is the same as the length of the sliding plate 33. The use of the wiper brush 34 reduces friction between the sliding plate 33 and the drain plate 22, improves the service life of the sliding plate 33, and also facilitates cleaning of water on the sliding plate 33.

The operator pushes the sliding plate 33 to move, the movement of the sliding plate 33 drives the water scraping brush 34 to move, water is gathered on one side of the sliding plate 33 far away from the installation shaft 31, when water passes through the drain hole 221, the water flows into the water storage cavity 23 from the drain hole 221, water on the drain plate 22 is further removed, the influence of residual water on the drain plate 22 is avoided, and the service life of the drain plate 22 is prolonged.

The implementation principle of the curve drainage structure of the aluminum alloy door and window is as follows: water flows into the drain plate 22 from the aluminum alloy body 1, flows into the water storage cavity 23 from the drain hole 221 along the top of the drain plate 22, pushes the sliding plate 33 to move when water stains remain on the drain plate 22, flows into the water storage cavity 23 from the drain hole 221 when water passes through the drain hole 221, further clears the water on the drain plate 22, removes the water collection box 21 from the aluminum alloy body 1 after the water storage cavity 23 is full of water, then opens the circulation groove 26 to enable the water to flow out of the water storage cavity 23, and finally installs the water collection box 21 on the aluminum alloy body 1. The use of the water collection box 21 reduces water stains on the aluminum alloy body 1, reduces the damage of water to the aluminum alloy body 1, prolongs the service life of the aluminum alloy body 1, reduces water on the drain plate 22 by using the pushing mechanism 3, avoids the influence of residual water on the drain plate 22, and improves the service life of the drain plate 22.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (9)

1. The utility model provides an aluminum alloy door and window bend drainage structures which characterized in that: including aluminum alloy body (1), mounting groove (11) have been seted up at the top of aluminum alloy body (1), be provided with drainage mechanism (2) in mounting groove (11), drainage mechanism (2) include with water catch bowl (21) that aluminum alloy body (1) can dismantle the connection, water catch bowl (21) open-top, be provided with drain bar (22) in water catch bowl (21), one end slope to being close to the ground of aluminum alloy body (1) is kept away from to drain bar (22), drain hole (221) have been seted up on drain bar (22), drain bar (22) with the lateral wall of water catch bowl (21) forms water storage chamber (23).

2. The aluminum alloy door and window curve drainage structure according to claim 1, wherein: a plurality of limit grooves (12) are formed in the side wall of the mounting groove (11), clamping grooves (13) are formed in the side wall of the limit grooves (12), elastic pieces (24) with the same number as the limit grooves (12) are fixedly arranged on the side wall of the water collecting box (21), and clamping blocks (25) are fixedly arranged on the side wall of the elastic pieces (24).

3. The aluminum alloy door and window curve drainage structure according to claim 1, wherein: the utility model discloses a water collecting box, including water collecting box (21), water collecting box (21) lateral wall, fixed being provided with on the lateral wall of water collecting box (21) promote on the water flowing pushing mechanism (3), pushing mechanism (3) include with installation axle (31) that water collecting box (21) lateral wall rotates to be connected, the cover establish on installation axle (31) with coil spring (32) of installation axle (31) fixed connection and follow water collecting box (21) lateral wall sliding connection's sliding plate (33), sliding plate (33) with coil spring (32) fixed connection.

4. A curved drain structure for aluminum alloy doors and windows according to claim 3, wherein: the inclination angle of the bottom of the sliding plate (33) is the same as that of the drain plate (22), and a water scraping brush (34) is fixedly arranged at the bottom of the sliding plate (33).

5. The aluminum alloy door and window curve drainage structure according to claim 2, wherein: and a sealing gasket (211) for sealing the joint of the water collecting box (21) and the aluminum alloy body (1) is fixedly arranged on the side wall of the water collecting box (21).

6. The aluminum alloy door and window curve drainage structure according to claim 1, wherein: the drain plate (22) is provided with a filter screen (222) covering the drain hole (221), and the filter screen (222) is provided with a flow hole.

7. The aluminum alloy door and window curve drainage structure according to claim 6, wherein: the top of drain bar (22) has seted up fixed slot (223), fixed slot (223) with wash port (221) coaxial setting, filter screen (222) are located in fixed slot (223), filter screen (222) with drain bar (22) threaded connection.

8. The aluminum alloy door and window curve drainage structure according to claim 1, wherein: the side wall of the water collecting box (21) is provided with a circulation groove (26) for discharging water in the water storage cavity (23), and the water collecting box (21) is provided with a sealing piece (4) embedded in the circulation groove (26).

9. The aluminum alloy door and window curve drainage structure according to claim 1, wherein: the aluminum alloy body (1) is provided with a positioning groove (14), the bottom of the water collecting box (21) is provided with a matching groove (27) matched with the positioning groove (14), the positioning groove (14) is internally fixedly provided with a positioning component (5), the positioning component (5) comprises a ball (51), and a spring (52) is fixedly arranged between the ball (51) and the bottom of the positioning groove (14).