CN210370414U - Sliding system window with high-efficiency drainage structure - Google Patents

Abstract

The utility model discloses a plug-type system window with high-efficient drainage structures, including window form and a plurality of casement, on the equal movable ground window form of a plurality of casement, there is the difference in height between one side of window form and the opposite side of window form, be equipped with water drainage tank on the window form, water drainage tank is located the lower one side of window form, and water drainage tank's up end is equipped with the wash port. The system window provided by the utility model realizes an efficient drainage function by arranging the height difference drainage structure and the hidden drainage structure; moreover, the utility model has the advantages that the inside and the outside of the system window are obviously divided by arranging a plurality of heat insulation structures, so that the heat insulation function of the system window is increased; moreover, the utility model is provided with a waterproof cover, which can protect the first heat insulation strip from being soaked by the accumulated water and enhance the drainage effect of the height difference of the window body; finally, the utility model discloses be equipped with anticreep device, avoid the casement to drop, increase the security of this system window.

Description

Sliding system window with high-efficiency drainage structure

Technical Field

The utility model relates to a system door and window technical field, in particular to plug-type system window with high-efficient drainage structures.

Background

The system door and window is an organic combination with a satisfactory performance system, and has a series of important functions of higher water tightness, air tightness, wind pressure resistance, mechanical strength, heat insulation, sound insulation, theft prevention, sun shading, weather resistance, operation hand feeling and the like. The sliding window is a common building structure in the field of modern buildings, is simple in structure and convenient to use, the window sashes installed in the window frame can slide along corresponding tracks respectively, and when one of the window sashes needs to be opened, the window sash only needs to slide to the direction of the other window sash, so that the window sash is favored by users.

However, the existing system window has poor drainage performance, and in thunderstorm weather, external air pressure is higher than internal air pressure, so that rainwater cannot be drained easily, and even the rainwater flows backwards to the indoor. Such system windows fail to meet the residential requirements of the user.

SUMMERY OF THE UTILITY MODEL

According to the utility model discloses an aspect provides plug-type system window with high-efficient drainage structures, including window form and a plurality of casement, on the equal movable ground window form of a plurality of casement, there is the difference in height between one side of window form and the opposite side of window form, is equipped with water drainage tank on the window form, and water drainage tank is located the lower one side of window form, and water drainage tank's up end is equipped with the wash port.

The utility model provides a system window has efficient drainage structures, and the window body both sides of this system window have the difference in height, and the window body can utilize the difference in height to lead ponding to lower one side, then empties ponding through the water drainage tank of lower one side to prevent rainwater from permeating indoor from the open air; moreover, accumulated water is directly and quickly drained out of the frame body from the drainage groove under the action of self gravity, rainwater infiltration is effectively avoided, a drainage channel cannot be seen from the outside to the inside or the outside, the effect of invisible drainage holes is achieved, and the overall attractiveness of the system window is improved.

In some embodiments, the window body comprises a first outer frame, a first inner frame and a first heat insulation strip, the first outer frame and the first inner frame are connected through the first heat insulation strip, the first heat insulation strip is higher than the first outer frame, a height difference exists between the first outer frame and the first inner frame, and the drainage groove is formed in the first outer frame.

Thus, the first outer frame is located on the outdoor side, and the first inner frame is located on the indoor side. The first outer frame and the first inner frame are connected by a first heat insulation strip group to ensure the inner and outer heat insulation performance of the system window, namely the heat insulation performance of the system window; first inside casing utilizes the difference in height reason to arrange ponding to first frame on, then the drainage tank on the first frame dredges arranging ponding to reach high-efficient drainage function.

In some embodiments, the window further comprises a waterproof cover disposed between the first outer frame and the first inner frame and over the first insulating strip, the waterproof cover being capable of closing the first insulating strip.

From this, add the setting of waterproof cover, when can protecting first heat insulating strip to avoid ponding to soak, the difference in height structure of reinforcing window form for the effect of the difference in height drainage of this system window is more obvious.

In some embodiments, a first slide rail is arranged on the inner wall of the lower end of the first inner frame, a first clamping groove is formed in one side face of the first slide rail, a second clamping groove is formed in one side face of the first inner frame, a first clamping strip and a second clamping strip are arranged on one side face of the waterproof cover, the first clamping strip is clamped with the first clamping groove, and the second clamping strip is clamped with the second clamping groove.

From this, waterproof cover installs on the window body through the mode of joint, makes things convenient for waterproof cover installation.

In some embodiments, the inner wall of the lower end of the first outer frame is provided with a second slide rail, and the second slide rail is provided with a transition hole.

From this, the inboard ponding of second slide rail can be discharged to the top of water drainage tank through the transition hole to discharge to the window body outside through the water drainage tank.

In some embodiments, the sliding window with the efficient drainage structure further comprises an anti-dropping device, wherein an installation groove is formed in the upper end face of the window sash, an anti-dropping groove is formed in the inner wall of the upper end of the window body, the anti-dropping device is arranged in the installation groove, and the anti-dropping device is abutted to the anti-dropping groove.

Therefore, the anti-falling device can prevent the window sash from falling off, and the safety of the system window is improved. When the system window encounters typhoon weather or violent impact, the system window can play a good role in protection; meanwhile, the anti-theft door also can play a role in preventing theft in daily life.

In some embodiments, the anti-drop device comprises a bracket, a first swing lever, a first link adjustment mechanism, a first pulley, and a second pulley; the first swing rod is hinged to the support, the first pulley and the second pulley are respectively arranged at two ends of the first swing rod, and the first connecting rod adjusting mechanism is fixed on the support and is in driving connection with the first swing rod; the first pulley and the second pulley can be respectively abutted against the inner walls of two sides of the anti-falling groove.

From this, adjust first swinging arms through first connecting rod adjustment mechanism, make first pulley and the second pulley at first swinging arms both ends fully offset with the both sides inner wall of anticreep groove to make the casement can stable installation on the window body, avoid taking place and rock from beginning to end.

In some embodiments, the first link adjusting mechanism comprises a first adjusting screw rod and a first sliding rod, the first adjusting screw rod is mounted on the bracket, one end of the first adjusting screw rod is connected with the first sliding rod, and one end of the first sliding rod is hinged with the first swinging rod; the first adjusting screw rod can adjust the angle of the first swinging rod through the first sliding rod.

Therefore, in the adjusting process of the first connecting rod adjusting mechanism, the first adjusting nut is rotated to adjust the front position and the rear position of the first sliding rod, the angle of the first swing rod is adjusted under transmission, the gap between the pulley and the anti-falling groove is adjusted, finally, the first pulley and the third pulley at the two ends of the first swing rod are fully abutted to the inner walls of the two sides of the anti-falling groove, and the window sash is prevented from swinging when positive and negative pressure is alternated.

In some embodiments, the anti-slip device further comprises a second swing lever, a second link adjustment mechanism, and a third pulley; the second swinging rod is hinged on the bracket, and the plane where the second swinging rod and the first swinging rod are located is in a vertical relation; the third pulley is arranged at one end of the second swinging rod, and the second connecting rod adjusting mechanism is fixed on the bracket and is in driving connection with the second swinging rod; the third pulley can be propped against the inner wall of the upper end of the anti-falling groove.

Therefore, the second swing rod is adjusted through the second connecting rod adjusting mechanism, the third pulley at one end of the second swing rod is enabled to be fully abutted against the inner wall of the upper end of the anti-falling groove, and therefore the window sash can be stably installed on the window body and is prevented from shaking up and down.

In some embodiments, the second link adjusting mechanism includes a second adjusting screw and a second slide rod, the second adjusting screw is mounted on the bracket, one end of the second screw is connected with the second slide rod, an arc-shaped groove is arranged on the second slide rod, a swing block is arranged on the second swing rod, and the swing block is matched with the arc-shaped groove; the second adjusting screw rod can adjust the angle of the second swinging rod through the second sliding rod.

Therefore, in the adjusting process of the second connecting rod adjusting mechanism, the second adjusting nut is rotated to adjust the front and rear positions of the second sliding rod, and the angle of the second swinging rod is adjusted under the transmission; finally, the third pulley at one end of the second swing rod is made to be fully abutted against the inner wall of the upper end of the anti-falling groove, so that the vertical shaking is avoided, and the window sash is prevented from falling off.

The utility model has the advantages that: the system window provided by the utility model realizes an efficient drainage function by arranging the height difference drainage structure and the hidden drainage structure; moreover, the utility model has the advantages that the inside and the outside of the system window are obviously divided by arranging a plurality of heat insulation structures, so that the heat insulation function of the system window is increased; moreover, the utility model is provided with a waterproof cover, which can protect the first heat insulation strip from being soaked by the accumulated water and enhance the drainage effect of the height difference of the window body; finally, the utility model discloses be equipped with anticreep device, avoid the casement to drop, increase the security of this system window.

Drawings

Fig. 1 is a schematic plan view of a push-pull system window with a high-efficiency drainage structure according to an embodiment of the present invention.

Fig. 2 is a schematic view of a lower portion of a push-pull system window having a highly efficient drainage structure shown in fig. 1.

Fig. 3 is a schematic plan view of a state of the anti-separation device having the efficient drainage structure shown in fig. 1.

Fig. 4 is a schematic plan view illustrating another state of the anti-slip device having the high-efficiency drainage structure shown in fig. 1.

Fig. 5 is a schematic plan view of a waterproof cover in a window of a push-pull system with a highly efficient drainage structure according to another embodiment of the present invention.

Reference numbers in the figures: 1-window body, 11-first outer frame, 111-drainage groove, 112-drainage hole, 113-second sliding rail, 114-transition hole, 12-first inner frame, 121-first sliding rail, 122-first clamping groove, 123-second clamping groove, 13-first heat insulation strip, 14-waterproof cover, 141-first clamping strip, 142-second clamping strip, 143-cotton strip, 144-landslide, 15-anticreep groove, 2-window sash, 21-second outer frame, 22-second inner frame, 23-second heat insulation strip, 24-heat insulation glass, 25-sliding mechanism, 26-mounting groove, 3-anticreep device, 31-bracket, 32-first swinging rod, 33-first connecting rod adjusting mechanism, 331-first adjusting screw rod, 332-first sliding rod, 26-first sliding rod adjusting screw rod, 34-a first pulley, 35-a second pulley, 36-a second swinging rod, 361-a swinging block, 37-a second connecting rod adjusting mechanism, 371-a second adjusting screw rod, 372-a second sliding rod, 3721-an arc groove and 38-a third pulley.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1

Fig. 1 to 2 schematically show a push-pull system window with a highly efficient drainage structure according to an embodiment of the present invention, including a window body 1 and a plurality of window sashes 2. A plurality of window sashes 2 can be movably arranged on the upper window body 1. There is a height difference between one side of window 1 and the other side of window 1, and the inside of window 1 is higher than the outside of window 1, i.e., the inside of window 1 is higher than the outside of window 1. The window 1 is provided with a drain groove 111. The drain groove 111 is located at the lower side of the window 1, and the upper end surface of the drain groove 111 is provided with a drain hole 112. In this embodiment, two sashes 2 are provided.

The utility model provides a system window has efficient drainage structures, and there is the difference in height in window form 1 both sides of this system window, and window form 1 can utilize the difference in height to lead ponding to lower one side, then empties ponding through the water drainage tank 111 of lower one side to prevent that the rainwater from permeating indoor from the open air; moreover, accumulated water is directly and quickly drained out of the frame body from the drainage groove 111 under the action of self gravity, rainwater is effectively prevented from permeating, a drainage channel cannot be seen from the outside to the inside or the outside, the effect that the drainage hole 112 is invisible is achieved, and the overall attractiveness of the system window is improved.

Referring to fig. 1-2, window 1 includes a first outer frame 11, a first inner frame 12, and a first insulating strip 13. The first outer frame 11 and the first inner frame 12 are connected by a first heat insulation strip 13, the first outer frame 11 is positioned at the side close to the outdoor, and the first inner frame 12 is positioned at the side close to the indoor. The first insulating strips 13 are installed at a position higher than the first outer frame 11. The first outer frame 11 and the first inner frame 12 have a height difference, the height of the first outer frame 11 is lower than that of the first inner frame 12, and the drainage grooves 111 are formed in the first outer frame 11.

The first outer frame 11 is located on the outdoor side and the first inner frame 12 is located on the indoor side. The first outer frame 11 and the first inner frame 12 are connected by a first heat insulation strip 13 group to ensure the inner and outer heat insulation performance of the system window, namely the heat insulation performance of the system window; first inside casing 12 utilizes the difference in height reason to arrange ponding to first frame 11 on, then drainage tank 111 on the first frame 11 dredges arranging of ponding to reach high-efficient drainage function.

With reference to fig. 1-2, the window form 1 further includes a waterproof cover 14, the waterproof cover 14 is disposed between the first outer frame 11 and the first inner frame 12 and above the first insulating strip 13, and the waterproof cover 14 can close the first insulating strip 13. The waterproof cover 14 is added, so that the first heat insulation strips 13 can be protected from being soaked by accumulated water, and meanwhile, the height difference structure of the window body 1 is enhanced, and the effect of height difference drainage of the window of the system is more obvious.

With reference to fig. 1-2, a first slide rail 121 is disposed on an inner wall of a lower end of the first inner frame 12, a first engaging groove 122 is disposed on a side surface of the first slide rail 121, and the first engaging groove 122 is located on an outer side surface of the first slide rail 121. A second locking groove 123 is formed in one side surface of the first inner frame 12, and the second locking groove 123 is located on the outer side surface of the first inner frame 12. One side of waterproof cover 14 is equipped with first card strip 141 and second card strip 142, and first card strip 141 and second card strip 142 all are located the medial surface of waterproof cover 14, and first card strip 141, second card strip 142 distribute from top to bottom, and first card strip 141 and first draw-in groove 122 joint, second card strip 142 and second draw-in groove 123 joint. A cotton strip 143 is arranged on the waterproof cover 14, and the cotton strip 143 is positioned on the outer side surface of the waterproof cover 14. The waterproof cover 14 is arranged on the window body 1 in a clamping mode, so that the waterproof cover 14 is convenient to install.

Referring to fig. 1-2, the inner wall of the lower end of the first outer frame 11 is provided with a second slide rail 113, and the second slide rail 113 is provided with a transition hole 114. Accumulated water on the inner side of the second sliding rail 113 can be drained to the upper side of the drainage groove 111 through the transition hole 114, so that the accumulated water is drained out of the window body 1 through the drainage groove 111.

Referring to fig. 1-4, the sliding window with a high-efficiency drainage structure further includes an anti-separation device 3, an installation groove 26 is formed in the upper end surface of the window sash 2, an anti-separation groove 15 is formed in the inner wall of the upper end of the window body 1, the anti-separation device 3 is arranged in the installation groove 26, and the anti-separation device 3 abuts against the anti-separation groove 15.

The anti-falling device 3 can prevent the window sash 2 from falling off, thereby increasing the safety of the system window. When the system window encounters typhoon weather or violent impact, the system window can play a good role in protection; meanwhile, the anti-theft door also can play a role in preventing theft in daily life.

Referring to fig. 3 to 4, the anti-slip device 3 includes a bracket 31, a first swing lever 32, a first link adjusting mechanism 33, a first pulley 34, and a second pulley 35; the bracket 31 is a metal plate with an L-shaped section, the middle end of the first swing rod 32 is hinged on the bracket 31, the first pulley 34 and the second pulley 35 are respectively arranged at two ends of the first swing rod 32, and the first connecting rod adjusting mechanism 33 is fixed on the bracket 31 and is in driving connection with the first swing rod 32; the first pulley 34 and the second pulley 35 can be abutted against the inner walls of the drop-off prevention groove 15 on both sides, respectively.

The first swing rod 32 is adjusted by the first connecting rod adjusting mechanism 33, so that the first pulleys 34 and the second pulleys 35 at the two ends of the first swing rod 32 are fully abutted against the inner walls of the two sides of the anti-falling groove 15, and the window sash 2 can be stably installed on the window body 1 to avoid the front-back shaking.

With reference to fig. 3-4, the first link adjusting mechanism 33 includes a first adjusting screw 331 and a first sliding rod 332, the first adjusting screw 331 is mounted on the bracket 31, one end of the first adjusting screw 331 is connected to the first sliding rod 332, and one end of the first sliding rod 332 is hinged to the first swinging rod 32; the first adjusting screw 331 is capable of adjusting the angle of the first swinging lever 32 by the first slide bar 332.

In the adjusting process of the first link adjusting mechanism 33, the first adjusting nut is rotated to adjust the front and rear positions of the first sliding rod 332, the angle of the first swinging rod 32 is adjusted under the transmission, and the gap between the pulley and the anti-drop groove 15 is adjusted; finally, the first pulley 34 and the second pulley 35 at the two ends of the first swing lever 32 are urged to sufficiently abut against the inner walls at the two sides of the anti-drop groove 15, so as to prevent the window sash 2 from shaking when positive and negative pressures are alternated.

Referring to fig. 3 to 4, the anti-slip device 3 further includes a second swing lever 36, a second link adjustment mechanism 37, and a third pulley 38. One end of the second swing lever 36 is hinged to the bracket 31, the second swing lever 36 is in a perpendicular relationship with the plane of the first swing lever 32, the first swing lever 32 swings in the horizontal plane, and the second swing lever 36 swings in the vertical plane. The third pulley 38 is arranged at one end of the second swinging rod 36, and the second connecting rod adjusting mechanism 37 is fixed on the bracket 31 and is in driving connection with the second swinging rod 36; the third pulley 38 can abut against the upper end inner wall of the drop-off prevention groove 15.

The second swing rod 36 is adjusted by the second link adjusting mechanism 37, so that the third pulley 38 at one end of the second swing rod 36 is fully abutted against the inner wall of the upper end of the anti-drop groove 15, and the window sash 2 can be stably installed on the window body 1 to avoid vertical shaking.

With reference to fig. 3-4, the second link adjusting mechanism 37 includes a second adjusting screw 371 and a second sliding rod 372, the second adjusting screw 371 is mounted on the bracket 31, one end of the second screw is connected to the second sliding rod 372, an arc-shaped groove 3721 is disposed on the second sliding rod 372, a swinging block 361 is disposed on the second swinging rod 36, and the swinging block 361 is matched with the arc-shaped groove 3721; the second adjusting screw 371 is capable of adjusting the angle of the second swinging lever 36 by the second slide bar 372.

In the adjusting process of the second connecting rod adjusting mechanism 37, the second adjusting nut is rotated to adjust the front and back positions of the second sliding rod 372, and the angle of the second swinging rod 36 is adjusted under the transmission; finally, the third pulley 38 at one end of the second swing rod 36 is urged to sufficiently abut against the inner wall of the upper end of the anti-drop groove 15, so as to prevent the window sash from dropping.

The window sashes 2 comprise second outer frames 21, second inner frames 22, second heat insulation strips 23, heat insulation glass 24 and sliding mechanisms 25, the second outer frames 21 are connected with the first inner frames 12 through the second heat insulation strips 23, the heat insulation glass 24 is clamped between the second outer frames 21 and the first inner frames 12 and is positioned in the second outer frames 21 and the second inner frames 22, the sliding mechanisms 25 are clamped between the second outer frames 21 and the second inner frames 22 and are positioned at the lower ends of the second outer frames 21 and the second inner frames 22, and the two window sashes 2 are respectively installed on the first sliding rails 121 and the second sliding rails 113 through the sliding mechanisms 25.

The utility model has the advantages that: the system window provided by the utility model realizes an efficient drainage function by arranging the height difference drainage structure and the hidden drainage structure; moreover, the utility model has the advantages that the inside and the outside of the system window are obviously divided by arranging a plurality of heat insulation structures, so that the heat insulation function of the system window is increased; moreover, the utility model is provided with a waterproof cover 14, which can protect the first heat insulation strip 13 from being soaked by accumulated water and enhance the drainage effect of the height difference of the window body 1; finally, the utility model discloses be equipped with anticreep device 3, avoid casement 2 to drop, increase the security of this system window.

Example 2

With reference to fig. 5, the push-pull system window with a highly efficient drainage structure provided in this embodiment 2 is substantially the same as that in embodiment 1, except that the waterproof cover 14 is provided with a slide slope 144 on the upper end surface of the waterproof cover 14 in this embodiment 2, which is more beneficial for drainage.

What has been described above is merely some embodiments of the present invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims (10)

1. The push-pull system window with the efficient drainage structure is characterized by comprising a window body (1) and a plurality of window sashes (2), wherein the window sashes (2) can be movably arranged on the window body (1), a height difference exists between one side of the window body (1) and the other side of the window body (1), a drainage groove (111) is formed in the window body (1), the drainage groove (111) is located on the lower side of the window body (1), and a drainage hole (112) is formed in the upper end face of the drainage groove (111).

2. A push-pull system window with efficient drainage structure according to claim 1 characterized in that the window body (1) comprises a first outer frame (11), a first inner frame (12) and a first insulating strip (13), the first outer frame (11) and the first inner frame (12) are connected by the first insulating strip (13), the first insulating strip (13) is higher than the first outer frame (11); the first outer frame (11) and the first inner frame (12) have height difference, and the drainage groove (111) is formed in the first outer frame (11).

3. A push-pull system window with efficient drainage of water according to claim 2 characterized in that the window frame (1) further comprises a waterproof cover (14), the waterproof cover (14) is arranged between the first outer frame (11) and the first inner frame (12) and above the first insulating strips (13), the waterproof cover (14) can close the first insulating strips (13).

4. The push-pull system window with the efficient drainage structure according to claim 3, wherein a first slide rail (121) is arranged on the inner wall of the lower end of the first inner frame (12), a first clamping groove (122) is arranged on one side surface of the first slide rail (121), a second clamping groove (123) is arranged on one side surface of the first inner frame (12), a first clamping strip (141) and a second clamping strip (142) are arranged on one side surface of the waterproof cover (14), the first clamping strip (141) is clamped with the first clamping groove (122), and the second clamping strip (142) is clamped with the second clamping groove (123).

5. The push-pull system window with the efficient drainage structure according to claim 2, wherein the inner wall of the lower end of the first outer frame (11) is provided with a second sliding rail (113), and the second sliding rail (113) is provided with a transition hole (114).

6. The push-pull system window with the efficient drainage structure according to any one of claims 1 to 5, further comprising a separation prevention device (3), wherein an installation groove (26) is formed on the upper end surface of the window sash (2), a separation prevention groove (15) is formed on the inner wall of the upper end of the window body (1), the separation prevention device (3) is arranged in the installation groove (26), and the separation prevention device (3) abuts against the separation prevention groove (15).

7. The push-pull system window with high efficiency drainage structure according to claim 6, wherein the trip prevention means (3) comprises a bracket (31), a first swing lever (32), a first link adjusting mechanism (33), a first pulley (34) and a second pulley (35); the first swinging rod (32) is hinged to the support (31), the first pulley (34) and the second pulley (35) are respectively arranged at two ends of the first swinging rod (32), and the first connecting rod adjusting mechanism (33) is fixed on the support (31) and is in driving connection with the first swinging rod (32); the first pulley (34) and the second pulley (35) can be abutted against the inner walls of the two sides of the anti-falling groove (15) respectively.

8. The window of a push-pull system with a high efficiency drainage structure according to claim 7, wherein the first link adjusting mechanism (33) comprises a first adjusting screw (331), a first slide bar (332), the first adjusting screw (331) is installed on the bracket (31), one end of the first adjusting screw (331) is connected with the first slide bar (332), one end of the first slide bar (332) is hinged with the first swing bar (32); the first adjusting screw (331) can adjust the angle of the first oscillating rod (32) by means of a first slide rod (332).

9. A push-pull system window with efficient drainage structure according to claim 7 characterized in that the anti-drop device (3) further comprises a second swing lever (36), a second link adjusting mechanism (37) and a third pulley (38); the second swinging rod (36) is hinged on the bracket (31), and the plane of the second swinging rod (36) is vertical to the plane of the first swinging rod (32); the third pulley (38) is arranged at one end of the second swinging rod (36), and the second connecting rod adjusting mechanism (37) is fixed on the bracket (31) and is in driving connection with the second swinging rod (36); the third pulley (38) can abut against the inner wall of the upper end of the anti-falling groove (15).

10. The push-pull system window with the efficient drainage structure according to claim 9, wherein the second link adjusting mechanism (37) comprises a second adjusting screw rod (371) and a second sliding rod (372), the second adjusting screw rod (371) is installed on the bracket (31), one end of the second screw rod is connected with the second sliding rod (372), an arc-shaped groove (3721) is formed in the second sliding rod (372), a swinging block (361) is arranged on the second swinging rod (36), and the swinging block (361) is matched with the arc-shaped groove (3721); the second adjusting screw (371) can adjust the angle of the second swinging rod (36) through the second sliding rod (372).

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