DE202019100425U1 - Automatically rotating shower rod - Google Patents

Abstract

An automatically rotatable shower rod, comprising: a rear water pipe (2); a front water pipe (1) slidably disposed in the rear water pipe (2); anda rotary drive device (3) located in the rear water pipe (2) and driving the front water pipe (1) for upward and downward movement and rotation, the rear water pipe (2) being mounted on the front water pipe (1), and wherein the front water pipe (1) is provided with an outlet end at an end remote from the rear water pipe (2), and wherein when the rear water pipe (2) passes through the water, the rotary drive unit (3) lifts the front water pipe (1) and rotating, and wherein, when the water flow in the rear water pipe (2) is shut off, the rotary drive unit (3) drives the front water pipe (1) for lowering and turning.

Description

The invention relates to a shower device, in particular an automatically rotatable shower rod, in particular a linear drive.

As people's quality of life increases and people pay more attention to quality of life, it has become a normal life to go home every day to take a bath. Therefore, the position of a shower rod with a shower head in the household is becoming increasingly important. However, in some large cities with high housing prices and a high population density, many people can only live in apartments with less space, and the bathrooms are correspondingly smaller. In today's shower rods but only the upward and downward position of the shower head can be adjusted, but they can not turn left and right. When the shower rod is used in a cramped bathroom, the shower head occupies most of the space, hampering people's movements. In addition, the range of movement of the human body is limited in a narrow space, but at the time of closing the water flow, the remaining water droplets on the shower head on the shower rod continue to fall down. In a confined space, the user has no place to escape from water droplets, the shower drips back into the body of the user after closing, resulting in great inconvenience and unnecessary trouble showering. The dripping water from the shower spills back onto the user's body causing great inconvenience and unnecessary showering problems. Due to the above problems, shower rods are generally not used for smaller shower rooms.

The invention has for its object to provide an automatically rotatable shower rod, which has a simple and compact design and is easy to use, the automatically rotatable shower rod can save space and thus can be applied to a small shower room, the problem is avoided at the same time in that the residual water droplets of the showerhead re-inject the body.

This object is achieved by an automatically rotatable shower rod having the features specified in claim 1. Further advantageous developments of the invention will become apparent from the dependent claims.

• ein hinteres Wasserrohr;
• ein vorderes Wasserrohr, das verschiebbar in dem hinteren Wasserrohr angeordnet ist; und
• eine Drehantriebsvorrichtung, die sich im hinteren Wasserrohr befindet und das vordere Wasserrohr zur Aufwärts- und Abwärtsbewegung sowie zur Drehung antreibt, wobei das hintere Wasserrohr auf das vordere Wasserrohr aufgesetzt ist, und wobei das vordere Wasserrohr an einem vom hinteren Wasserrohr abliegenden Ende mit einem Auslassende versehen ist, und wobei, wenn das hintere Wasserrohr das Wasser durchläuft, die Drehantriebseinheit das vordere Wasserrohr zum Anheben und Drehen antreibt, und wobei, wenn der Wasserstrom im hinteren Wasserrohr abgesperrt wird, die Drehantriebseinheit das vordere Wasserrohr zum Absenken und Drehen antreibt.

According to the invention, an automatically rotatable shower rod comprising:

• a rear water pipe;
• a front water pipe slidably disposed in the rear water pipe; and
• a rotary drive device located in the rear water pipe and driving the front water pipe for upward and downward movement and rotation, the rear water pipe is mounted on the front water pipe, and wherein the front water pipe at an end remote from the rear water pipe with an outlet end and, when the rear water pipe passes through the water, the rotary drive unit drives the front water pipe for lifting and turning, and when the water flow in the rear water pipe is shut off, the rotary drive unit drives the front water pipe for lowering and turning.

According to the invention, the rotary drive device comprises a rotary sleeve slidably disposed in the rear water pipe, a resilient pin located in a helical groove formed on an outer surface of the rotary sleeve, perpendicular to the axis of the rear water pipe and engaging with the helical groove, an elastic return member Located in the rear water pipe and provides for the return of the rotary sleeve, and a current limiting adapter, which is slidably disposed in the rear water pipe and connected to an inlet end of the front water pipe. The rotary sleeve is mounted on and connected to the front water pipe, with the flow restricting connection being used to limit the amount of water entering the front water pipe, forcing the flow to apply an upward pressure to the flow limiting adapter.

According to the invention, the rear water pipe has a fixed support pipe, a connection head connected to the lower end of the fixed support pipe, and a water passage pipe connected to the connection head, the inlet end of the front water pipe extending inside the water passage pipe, and wherein the rotary sleeve is slidably disposed inside the fixed support tube, the elastic return member being disposed inside the fixed support tube, and wherein the fixed pin and fixed support tube are arranged crosswise and extend into the helical groove of the rotary sleeve, and wherein the current limiting adapter is slidable disposed in the water passage pipe and connected to the inlet end of the front water pipe.

According to the invention, the current limiting adapter is near one end of the Water passage tube provided with a first water passage hole, wherein the other end of the current limiting adapter is provided with a second water passage hole, which communicate with the first water passage hole, and wherein the diameter of the first water passage hole is smaller than that of the second water passage hole.

• - dass der Strombegrenzungsadapter einen mit dem vorderen Wasserrohr verbundenen Verbindungsabschnitt und einen im Wasserdurchlassrohr verschiebbaren Gleitabschnitt aufweist, wobei der Durchmesser des Verbindungsabschnitts kleiner ist als derjenige des Gleitabschnitts.

According to the invention, the connection head is provided with a first inner hole and a second inner hole communicating with the first inner hole, wherein the diameter of the second inner hole is larger than that of the first inner hole; and

• - That the current limiting adapter has a connecting portion connected to the front water pipe and a slidable in the water passage tube sliding portion, wherein the diameter of the connecting portion is smaller than that of the sliding portion.

According to the invention, the connecting portion and the sliding portion of the current limiting adapter are sheathed with a first sealing ring.

According to the invention, the rear water pipe has a fixed support pipe, a connection head connected to the lower end of the fixed support pipe, and a water passage pipe connected to the connection head, the inlet end of the front water pipe extending inside the fixed support pipe and wherein the rotary sleeve is slidably disposed inside the stationary support tube, the elastic return member being disposed inside the fixed support tube, and wherein the fixed pin and the fixed support tube are arranged crosswise and extend into the helical groove of the rotary sleeve, and wherein the current limiting adapter slidably disposed in the stationary support tube and connected to the inlet end of the front water pipe.

According to the invention, the current limiting adapter is provided with a current limiting hole communicating with the front water pipe, wherein the diameter of the restriction opening is smaller than that of the inner chamber of the front water pipe.

According to the invention, the fixed support tube protrudes outwardly with a hollow thread projection perpendicular to the axis of the rear water pipe, the fixing pin being slidably disposed in the thread projection and projecting into the fixed support tube, and a knob being screwed to the thread projection, the fixing pin engaging a remote from the rear water pipe end is connected to the knob.

According to the invention, the elastic return element is a spring which is placed on the front water pipe and arranged above the rotary bush, wherein the spring is supported on the one hand at the upper end of the rear water pipe and on the other hand on the rotary bushing.

The invention provides an automatic rotatable shower rod provided with a rotary drive device in a rear water pipe so that the outlet end of the front water pipe of the shower rail can be raised and turned by simply opening and closing the shower rail. When the flow of water in the shower rail is shut off, the shower head can be lowered thereby and rotated to a position away from the human body. This effectively avoids the problem that the remaining water droplets of the shower head will re-inject the body, saving space and reducing the obstacles in the user's movement space.

• 1 eine perspektivische Darstellung eines ersten Ausführungsbeispiels einer erfindungsgemäßen Duschstange in einem Nichtgebrauchszustand;
• 2 eine perspektivische Darstellung des ersten Ausführungsbeispiels einer erfindungsgemäßen Duschstange in einem Gebrauchszustand;
• 3 einen Axialschnitt durch die Teilkonstruktion des ersten Ausführungsbeispiels einer erfindungsgemäßen Duschstange in einem Nichtgebrauchszustand;
• 4 einen Axialschnitt durch die Teilkonstruktion des ersten Ausführungsbeispiels einer erfindungsgemäßen Duschstange in einem Gebrauchszustand;
• 5 eine perspektivische Explosionsdarstellung des ersten Ausführungsbeispiels einer erfindungsgemäßen Duschstange;
• 6 einen vergrößerten Ausschnitt A in 5;
• 7 einen Axialschnitt durch die Teilkonstruktion des zweiten Ausführungsbeispiels einer erfindungsgemäßen Duschstange;
• 8 eine perspektivische Explosionsdarstellung des zweiten Ausführungsbeispiels einer erfindungsgemäßen Duschstange; und
• 9 einen vergrößerten Ausschnitt B in 9.

In the following the invention and its embodiments will be explained in more detail with reference to the drawing. In the drawing shows:

• 1 a perspective view of a first embodiment of a shower rod according to the invention in a non-use state;
• 2 a perspective view of the first embodiment of a shower rod according to the invention in a state of use;
• 3 an axial section through the partial construction of the first embodiment of a shower rod according to the invention in a non-use state;
• 4 an axial section through the partial construction of the first embodiment of a shower rod according to the invention in a use state;
• 5 an exploded perspective view of the first embodiment of a shower rod according to the invention;
• 6 an enlarged section A in 5 ;
• 7 an axial section through the partial construction of the second embodiment of a shower rod according to the invention;
• 8th an exploded perspective view of the second embodiment of a shower rod according to the invention; and
• 9 an enlarged section B in 9 ,

The present invention will be further described in connection with the embodiments and the accompanying drawings which are not intended to limit the invention. The invention will be described in detail below with reference to the accompanying drawings.

First embodiment

Like from the 1 to 6 can be seen, an inventive, automatically rotatable shower rod comprises a rear water pipe 2 , a front water pipe 1 , which is slidable in the rear water pipe 2 is arranged, and a rotary drive device 3 on, located in the rear water pipe 2 is located and for raising and lowering and for turning the front water pipe 1 is used. In the rear water pipe 2 is the front water pipe 1 , The outlet end of the front water pipe 1 extends away from the rear water pipe 2 to the outside and gradually towards the rear water pipe 2 angled. If the rear water pipe 2 Water passes through, drives the rotary drive device 3 the front water pipe 1 for lifting and turning. If the rear water pipe 2 not open for water drives the rotary drive device 3 the front water pipe 1 for lowering and turning. In particular, the outlet end of the front water pipe 1 provided with an external thread for releasable connection with an external shower head.

In practice, this is the rear water pipe 2 attached to the wall surface and communicates with the external water supply source. As in 1 As shown, the plane of the bent portion of the front water pipe runs 1 parallel to the wall surface when the rear water pipe 2 not open for water. As in 2 shown, when the water enters the rear water pipe 2 passes through the water through the rotary drive device 3 in the front water pipe 1 one. At this time, the rotary drive device uses 3 the water pressure on the front water pipe 1 to the outlet end of the front water pipe 1 drive along the rear water pipe 2 to move upward and to rotate in a direction away from the wall, until the outlet end of the front water pipe 1 rises and can be rotated to a preset angle, whereby the shower rod at the water inlet causes the shower head is aligned with the human body. This gives the user a gentle shower. When the water flow in the rear water pipe 2 shut off drives the rotary drive device 3 the outlet end of the front water pipe 1 for lowering and rotates in the opposite direction to the wall surface, so that the outlet end of the front water pipe 1 returns to the starting position with the shower head rotating on the shower rod over the human body. This prevents drops of water from the shower head from re-injecting the user's body. At the same time, the shower head can be placed close to the wall when the shower rod is not in use. This makes the shower rod space-saving and reduces the obstacles within the range of motion of the user. The rotary drive device according to the invention 3 is inside the rear water pipe 2 with the rotary drive device 3 provided so that the user the outlet end of the front water pipe 1 The shower bar can only be lifted and opened by opening or closing the water in the shower bar. When the shower rod blocks the water, the shower head can be lowered and rotated away from the human body, thereby preventing the residual water droplets in the shower head from re-injecting the human body. This saves space, thereby reducing the user's obstacle to movement.

Regarding 3 to 6 includes the rotary drive device 3 a rotary socket 31 , which is slidable in the rear water pipe 2 is arranged a peg 32 which is in one on an outer surface of the rotary sleeve 31 trained helical groove 311 located perpendicular to the axis of the rear water pipe 2 runs and into the helical groove 311 engages, an elastic return element 33 that is in the rear water pipe 2 located and for the return of the rotary sleeve 31 ensures, and a current limiting adapter 34 , which is slidable in the rear water pipe 2 arranged and with an inlet end of the front water pipe 1 connected is. The rotary socket 31 is on the front water pipe 1 put on and connected to this. The current limiting connection 34 is used to put in the front water pipe 1 Limit entering amount of water, wherein the inflow is forced, an upward pressure on the current limiting adapter 34 applied. In particular, the peg is 32 perpendicular to the axis of the rear water pipe 2 ,

In practice, the water flows through the current limiting adapter 34 in the front water pipe 1 if the rear water pipe 2 Water passes through. At this time, the current limiting adapter decreases 34 the water inflow of the front water pipe 1 To force the water, the upward pressure on the current limiting connection 34 to create. The thrust of water causes the current limiting adapter 34 inside the rear water pipe 2 moved upwards. The upward movement of the current limiting adapter 34 causes the front water pipe 1 for upward movement along the rear water pipe 2 is taken. The upward movement of the front water pipe 1 also causes the rotary socket 31 moved upward. Of the hard peg 32 engages in the groove wall of the helical groove 311 one. Under the interaction of the peg 32 and the helical groove 311 the rotating sleeve rotates 31 during the upward movement along the groove track of the helical groove 311 , The rotation of the rotary sleeve 31 drives the front water pipe 1 to rotate so that the front water pipe 1 moves up and turns when the shower rod passes through the water. When the water inlet to the rear water pipe 2 is shut off, the thrust of water is on the current limiting adapter 34 canceled. At this time, drives the elastic return element 33 the rotary socket 31 to move down to reset. Under the interaction of the peg 32 and the helical groove 311 the rotating sleeve rotates 31 in the opposite direction, leaving the front water pipe 1 falls off and returns to the starting position when the shower rod does not pass through water. In particular, in the illustrated embodiment, the groove track of the helical groove 311 designed so that the angle of rotation of the front water pipe 1 0 to 90 Degree is. That is, when the shower rod passes through the water, the front water pipe drives 1 the shower head to rise and turn 90 degrees away from the wall. On the contrary, the front water pipe drives 1 the shower head to turn in the opposite direction down to the wall. The structure of the rotary drive device 3 is ingenious, simple and compact, with a simple, stable and reliable operation is ensured, improving the stability and increase the life of the shower rod are guaranteed.

Preferably, the elastic return element 33 a spring pointing to the front water pipe 1 put on and above the rotary socket 31 is arranged. The spring is supported on the one hand at the upper end of the rear water pipe 2 and on the other hand, at the rotary socket 31 from. When the shower rod passes the water, the rotating sleeve rises 31 and rotates with the spring in a compressed state. If the shower rod does not pass through water, the rotating sleeve 31 lowered and rotated under the action of the spring force, causing the front water pipe 1 is reset.

In the illustrated embodiment according to 3 to 6 has the rear water pipe 2 a fixed support tube 21 , a connection head 23 connected to the lower end of the fixed support tube 21 connected, and a water passage pipe 22 on, that with the connection head 23 connected is. The inlet end of the front water pipe 1 extends into the interior of the water outlet pipe 22 , The rotary socket 31 is slidable inside the fixed support tube 21 arranged, wherein the elastic return element 33 inside the fixed support tube 21 is arranged. The peg 32 and the fixed support tube 21 are arranged crosswise and extend into the helical groove 311 the rotary sleeve 31 , The current limiting adapter 34 is displaceable in the water outlet pipe 22 arranged and with the inlet end of the front water pipe 1 connected. In particular, one end of the connection head 23 with the fixed support tube 21 screwed, with the other end of the connecting head 23 with the water outlet pipe 22 screwed to facilitate the assembly and disassembly of the shower rod, whereby the maintenance of the shower rod is facilitated. At the same time is the connection head 23 on the front water pipe 1 put on and between the rotary socket 31 and the current limiting adapter 34 arranged to increase the rise height of the front water pipe 1 to limit. During operation, after the water outlet pipe 22 the water has passed, the water is against the current limiting adapter 34 so pressed that the current limiting adapter 34 in the water outlet pipe 22 moved upwards, causing the front water pipe 1 is taken to the upward movement. The upward movement of the front water pipe 1 causes the rotary socket 31 inside the fixed support tube 21 moved upwards. The rotary socket 31 turns under interaction of the peg 32 and the helical groove 311 , making the front water pipe 1 is set in rotation. The construction of the rear water pipe 2 is simple and compact and can be easily disassembled to adjust the setting and maintenance of the rotary drive device 3 facilitating ease of use and flexibility of the shower rod. The construction of the rear water pipe 2 is simple and compact and can be easily disassembled to adjust the setting and maintenance of the rotary drive device 3 facilitating ease of use and flexibility of the shower rod.

Referring to 3 is the current limiting adapter 34 preferably near one end of the water passage tube 22 with a first water passage hole 341 provided with the other end of the current limiting adapter 34 with a second water passage hole 342 is provided with the first water passage hole 341 communicates. The diameter of the first water passage hole 341 is smaller than that of the second water passage hole 342 , In operation, the water passes through the second water passage hole 342 in the first water passage hole 341 one. The water exercises due to the ever smaller diameter of the first water passage hole 341 an upward pressure on the current limiting adapter 34 out. The pressure turns into an upward thrust on the current limiting adapter 34 converted, causing the current limiting adapter 34 is moved upward, with the front water pipe 1 is pushed upwards.

Regarding 3 and 4 is the connection head 23 with a first inner hole 231 and one with the first inner hole 231 communicating, second inner hole 232 Mistake. The diameter of the second inner hole 232 is larger than that of the first inner hole 231 , In particular, the diameter of the first inner hole corresponds 231 that of the front water pipe 1 wherein the diameter of the second inner hole 232 with that of the water passage pipe 22 matches. The current limiting adapter 34 has one with the front water pipe 1 connected connection section 343 and one in the water passage pipe 22 sliding sliding section 344 on. The diameter of the connection section 343 is smaller than that of the sliding portion 344 , In particular, the connection section 343 of the current limiting adapter 34 with the front water pipe 1 screwed, wherein the sliding portion 344 of the current limiting adapter 34 with the water outlet pipe 22 is screwed. The diameter of the connection section 343 corresponds to that of the front water pipe 1 , wherein the diameter of the sliding portion 344 with that of the water passage pipe 22 matches. When the current limiting adapter 34 in operation to a certain height within the water passage pipe 22 rises, lies the connection head 23 on the sliding section 344 of the current limiting adapter 34 to the continued movement of the current limiting adapter 34 stop, thereby avoiding the front water pipe 1 rises to a preset height. The structure of the current limiting adapter 34 and the connection head 23 is simple and compact, while the operation is stable and reliable, which leads to the improvement of the working stability of the shower rod.

Regarding 3 are the connecting section 343 and the sliding section 344 of the current limiting adapter 34 with a first sealing ring 24 both for sealing the interface between the connecting portion 343 and the front water pipe 1 and as well as for sealing the gap between the sliding portion 344 and the water passage pipe 22 sheathed to prevent leakage of water during use of the shower rod.

Referring to 3 to 6 stands the fixed support tube 21 with a hollow thread projection 25 perpendicular to the axis of the rear water pipe 2 outward. The peg 32 is displaceable in the thread projection 25 arranged and protrudes into the fixed support tube 21 , A knob 26 is at the thread projection 25 screwed on, with the peg 32 at one of the rear water pipe 2 distal end with the knob 26 connected is. In use, the knob can 26 be rotated, with the rotation of the knob 26 a movement along the threaded rod 25 causes. The movement of the knob 26 in turn drives the peg 32 to get closer to the rotating sleeve 31 to move. If the front water pipe 1 lifted and turned to the preset position, the user can turn the knob 26 turn to the peg 32 closer to the rotating sleeve 31 to move and against the rotating sleeve 31 to press. The rotary socket 31 is pressed so that the front water pipe 1 is secured in a preset position to prevent the rotary sleeve 31 is undesirably displaced during use, thereby improving the safety of using the shower rod.

In the illustrated embodiment, the fixed support tube 21 and the water passage pipe 22 each with a wall bracket 4 provided for attaching the shower rod to the outer wall.

Second embodiment

As in 7 to 9 is shown, the second embodiment differs from the first embodiment in that the rear water pipe 2 a fixed support tube 21 , a connection head 23 connected to the lower end of the fixed support tube 21 connected, and one with the connection head 23 connected water passage pipe 22 having. The inlet end of the front water pipe 1 protrudes into the fixed support tube 21 into it. The rotating sleeve 31 is rotatable in the fixed support tube 21 stored. The elastic return element 33 is in the fixed support tube 21 arranged. The peg 32 is arranged so that this with the fixed support tube 21 cuts and in the helical groove 311 the rotating sleeve 31 protrudes. The current limiting adapter 34 is slidable in the fixed support rod 21 arranged and with the inlet end of the front water pipe 1 connected.

In practice, the external tap water flows from the water passage pipe 22 over the connection head 23 into the fixed support tube 21 and then through the current limiting adapter 34 in the front water pipe 1 , At this time, the current limiting adapter decreases 34 the water inflow amount of the front water pipe 1 To force the water, an upward pressure on the current limiting adapter 34 to create. The thrust of water pushes the current limiting adapter 34 to get inside the fixed support tube 21 to move upwards. The upward movement of the current limiting adapter 34 pushes the front water pipe 1 up, with the rotary socket 31 also moves up. During the rise of the rotary sleeve 31 the rotating sleeve rotates 31 in cooperation of the spiral groove 311 and the peg 32 along the trajectory of Wendelnut 311 so that the front water pipe 1 realized a rotation of 0 to 90 degrees. The design of the structure is simpler and more compact, which makes it convenient for disassembling and maintaining the shower rod.

As in 7 is shown, in particular a second sealing ring 346 between the outside of the current limiting adapter 34 and the inner wall of the fixed support tube 21 provided to prevent water from entering the gap between the stationary support tube 21 and the front water pipe 1 flows and thus the use of the shower rod is impaired. The gap affects the use of the shower rod and prevents water from flowing out of the shower rod during use. The second sealing ring 346 is a rubber gasket, with the rubber material being resilient to its movement within the stationary support tube 21 to facilitate.

The current limiting adapter 34 is with a current limit hole 345 provided with the front water pipe 1 connected is. The diameter of the boundary opening 345 is smaller than that of the inner chamber of the front water pipe 1 , Preferably, the ratio between the diameter of the limiting opening 345 and the diameter of the inner chamber of the front water pipe 1 1 : 5. In practice limits the boundary opening 345 the water flow in the front water pipe 1 , such that the water in the stationary support tube 21 the current limiting adapter 34 can push up, causing the front water pipe 1 is moved upward.

The foregoing description illustrates the embodiments of the invention and is not intended to limit the claims. All equivalent changes and modifications that may be made by those skilled in the art in accordance with the description and drawings of the invention are within the scope of the present invention.

LIST OF REFERENCE NUMBERS

1

front water pipe

2

rear water pipe

21

fixed support tube

22

Water passage tube

23

connecting head

231

first inner hole

232

second inner hole

24

first sealing ring

25

threaded boss

26

knob

3

Rotary drive device

31

rotary sleeve

311

helical

32

hard peg

33

elastic return element

34

Current limit Adapter

341

first water passage hole

342

second water passage hole

343

connecting portion

344

sliding

345

limiting aperture

346

second sealing ring

4

wall mount

Claims (10)

Automatically rotating shower rod, comprising: a rear water pipe (2); a front water pipe (1) slidably disposed in the rear water pipe (2); and a rotary drive device (3) located in the rear water pipe (2) and driving the front water pipe (1) for upward and downward movement and rotation, the rear water pipe (2) is placed on the front water pipe (1), and wherein the front water pipe (1) is provided with an outlet end at an end remote from the rear water pipe (2), and wherein when the rear water pipe (2) passes through the water, the rotary drive unit (3) lifts the front water pipe (1) and rotating, and wherein, when the water flow in the rear water pipe (2) is shut off, the rotary drive unit (3) drives the front water pipe (1) for lowering and turning. Shower rod after Claim 1 characterized in that - the rotary drive device (3) has a rotary bush (31) slidably disposed in the rear water pipe (2), a trunnion (32) formed in a helical groove (31) formed on an outer surface of the rotary bushing (31). 311) is perpendicular to the axis of the rear water pipe (2) and engages the helical groove (311), an elastic return element (33) located in the rear water pipe (2) and for recirculation the rotary bushing (31) and having a flow restriction adapter (34) slidably disposed in the rear water pipe (2) and connected to an inlet end of the front water pipe (1); and - that the rotary bushing (31) is mounted on and connected to the front water pipe (1), the flow limiting joint (34) being used to limit the amount of water entering the front water pipe (1), forcing the inflow to apply an upward pressure to the current limiting adapter (34). Shower rod after Claim 2 characterized in that the rear water pipe (2) comprises a fixed support tube (21), a connection head (23) connected to the lower end of the fixed support tube (21), and a water passage tube (22) connected to the connection head (23), wherein the inlet end of the front water pipe (1) extends inside the water passage pipe (22), and wherein the rotary bush (31) is slidably disposed inside the fixed support pipe (21), the elastic return member (33 ) is arranged inside the fixed support tube (21), and wherein the fixed pin (32) and the fixed support tube (21) are arranged crosswise and extend into the helical groove (311) of the rotary bushing (31), and wherein the current limiting adapter (34 ) is slidably disposed in the water passage pipe (22) and connected to the inlet end of the front water pipe (1). Shower rod after Claim 3 characterized in that the flow restriction adapter (34) is provided near a end of the water passage tube (22) with a first water passage hole (341), the other end of the flow restriction adapter (34) being provided with a second water passage hole (342) and the diameter of the first water passage hole (341) is smaller than that of the second water passage hole (342). Shower rod after Claim 3 characterized in that the connection head (23) is provided with a first inner hole (231) and a second inner hole (232) communicating with the first inner hole (231), the diameter of the second inner hole (232) being larger than that the first inner hole (231); and - that the current limiting adapter (34) has a connecting portion (343) connected to the front water pipe (1) and a sliding portion (344) slidable in the water passage pipe (22), the diameter of the connecting portion (343) being smaller than that of the sliding portion (34). 344). Shower rod after Claim 5 , characterized in that the connecting portion (343) and the sliding portion (344) of the current limiting adapter (34) with a first sealing ring (24) are sheathed. Shower rod after Claim 2 characterized in that the rear water pipe (2) comprises a fixed support tube (21), a connection head (23) connected to the lower end of the fixed support tube (21), and a water passage tube (22) connected to the connection head (23), wherein the inlet end of the front water pipe (1) extends inside the fixed support tube (21), and wherein the rotary bush (31) is slidably disposed inside the fixed support tube (21), the elastic return element ( 33) is disposed inside the fixed support tube (21), and wherein the fixed pin (32) and the fixed support tube (21) are arranged crosswise and extend into the helical groove (311) of the rotary sleeve (31), and wherein the current limiting adapter ( 34) slidably disposed in the stationary support tube (21) and connected to the inlet end of the front water pipe (1). Shower rod after Claim 7 characterized in that the current limiting adapter (34) is provided with a current limiting hole (345) communicating with the front water pipe (1), the diameter of the restriction opening (345) being smaller than that of the inner chamber of the front water pipe (1). Shower rod after one of the Claims 3 and 7 characterized in that said fixed support tube (21) projects outwardly with a hollow thread projection (25) perpendicular to the axis of said rear water tube (2), said fixed pin (32) being slidably disposed in said thread projection (25) and fixedly secured therein Supporting tube (21) protrudes, and wherein a knob (26) is screwed to the threaded projection (25), wherein the fixed pin (32) at an end remote from the rear water pipe (2) end with the knob (26) is connected. Shower rod after one of the Claims 2 to 8th , characterized in that the elastic return element (33) is a spring, which is placed on the front water pipe (1) and above the rotary bushing (31) is arranged, wherein the spring on the one hand at the upper end of the rear water pipe ( 2) and on the other hand on the rotary bushing (31) is supported.

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