Swinging water outlet mechanism and water outlet device

Abstract

The swing water outlet mechanism comprises a water outlet body, the water outlet body comprises a water inlet end, a water outlet end and a water passing cavity communicating the water inlet end with the water outlet end, the water outlet end is provided with a plurality of water outlets and water outlet nozzles movably arranged on the water outlets, and the water outlet nozzles are used for outputting and guiding water flow of the water outlet end; the driving assembly can drive the water outlet nozzle to do reciprocating swing motion, the driving assembly drives the water outlet nozzle to periodically change the angle position on the water outlet, so that the direction of the sprayed water flow is changed by changing the direction of an end opening of the water outlet nozzle, and then reciprocating flushing can be conducted in a multi-angle and multi-range mode in the using process; the shower head has good back massage and bathing effects, relieves fatigue of a user, and is good in visual and using effects.

Description

Technical Field

[0001] The invention relates to the technical field of bathrooms, and in particular to a swing water outlet mechanism and a water outlet device. Background Art

[0002] Currently, most of the water outlet mechanisms such as kitchen showers, shower heads, and shower heads on the market have multiple forms of functional water to choose from, such as blade water, direct water, massage water, or spray water, etc. Each form of functional water has different bathing effects, but these water outlets are mostly fixed and straight downward, the water outlet direction cannot be adjusted, and the water outlet area is small.

[0003] In view of this, the applicant filed this application after studying the existing technology. Summary of the invention

[0004] The present invention provides a swinging water outlet mechanism and a water outlet device, aiming to improve at least one of the above-mentioned technical problems.

[0005] In order to solve the above technical problems, the present invention provides a swinging water outlet mechanism, including a water outlet body, the water outlet body including a water inlet end, a water outlet end and a water passage cavity connecting the water inlet end and the water outlet end, the water outlet end is provided with a water outlet and a water outlet nozzle movably arranged on the water outlet, the water outlet nozzle is used for guiding the output of the water flow from the water outlet end; and also includes a driving component arranged on the water outlet body, the driving component is provided with a water nozzle driving part capable of driving the water outlet output end to change the direction.

[0006] As a further optimization, the driving assembly includes a faucet driving component and a driving unit connected to the faucet driving component, and the faucet driving part is arranged on the faucet driving component; wherein, the driving unit is arranged to be able to drive the faucet driving component to perform linear reciprocating motion, so that the faucet driving part can reciprocate and drive the water outlet to change the direction of the output end.

[0007] As a further optimization, the water outlet is provided with a limiting portion that causes the water outlet to swing, so that the water outlet driving portion can drive the water outlet to swing, thereby changing the direction of the output end.

[0008] As a further optimization, a mounting portion for installing the drive unit is provided in the water flow chamber; the drive unit includes a mounting seat, a gear member and a drive rod, the mounting seat is coaxially penetrated with an opening, and the gear member is rotatably connected to one side of the opening on the mounting seat; the gear member includes a rotating tooth portion located on one side of the shaft end and an elongated hole portion on the other side, and the drive rod is suitable for passing through the opening of the elongated hole portion and being slidably connected; the drive rod is configured to be able to rotate eccentrically coaxially on the opening, thereby driving the gear member to rotate back and forth; a rack portion that can be meshed with the rotating tooth portion is provided on the water faucet drive member; the water faucet drive member is slidably connected to the water flow chamber; the water flow chamber is constructed with a track that can constrain the water faucet drive member to move in the extension direction of the rack portion, so that the gear member can drive the water faucet drive member to reciprocate on the track.

[0009] As a further optimization, two gear parts are provided, and the two gear parts are respectively provided on both sides of the opening; two rack parts are provided on the faucet driving part, and the two rack parts are respectively connected to the two gear parts.

[0010] As a further optimization, a rotating shaft is coaxially arranged on the mounting portion; the driving unit also includes an impeller, which is rotatably connected to the rotating shaft and coaxially arranged in the opening; the mounting seat is constructed with an oblique water outlet that connects the water path between the water inlet end and the water outlet end; the two sides of the oblique water outlet are respectively connected to the water inlet end and the inside of the opening; wherein the oblique water outlet is constructed to be able to divert the water flow on the water path to the blades of the impeller, thereby driving the impeller to rotate; the driving rod is eccentrically connected to the impeller.

[0011] As a further optimization, the driving assembly is further provided with a reduction unit, and the reduction unit is connected between the impeller and the driving rod to reduce the rotation speed of the driving rod.

[0012] As a further optimization, a plurality of limiting flanges are provided on one side of the mounting seat away from the mounting portion, and ends of the limiting flanges radially extend to the opening for limiting the impeller in the opening.

[0013] As a further optimization, the water outlet body also includes a bottom cover and a surface cover, and the mounting portion is located on the bottom cover; a plurality of limiting columns are arranged on the side of the mounting seat away from the bottom cover, and when the surface cover is connected to the bottom cover, the limiting columns can be against the surface cover.

[0014] The present invention also provides a water outlet device, comprising any one of the above-mentioned swing water outlet mechanisms.

[0015] By adopting the above technical solution, the swing water outlet mechanism and water outlet device provided by the present invention can achieve the following technical effects:

[0016] 1. The present invention drives the water outlet to adjust the direction of the output end through the driving component, so as to realize the water spraying at multiple angles;

[0017] 2. The present invention uses a water nozzle driving member to simultaneously control the water nozzles on multiple water outlets to adjust their directions synchronously, thereby achieving multiple rows of synchronous water discharge, a large water discharge range, and beautiful water splashes;

[0018] 3. The water flow impacts the impeller as the driving source to operate the driving component to drive the water outlet, realizing the automatic water outlet swing, which is safer, more environmentally friendly and has a good massage bathing effect;

[0019] 4. The swing mechanism has a simple structure and a small thickness, and is convenient to be installed in a shower rod or a shower screen for use, and has a wider range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a structural schematic diagram of a swing water outlet mechanism of the present invention;

[0022] Figure 2 It is a schematic diagram of the exploded structure of a swing water outlet mechanism of the present invention;

[0023] Figure 3 The present invention Figure 2 The enlarged schematic diagram at A in the middle;

[0024] Figure 4 is a schematic structural diagram of a gear member in an embodiment of the present invention;

[0025] Figure 5 is a schematic structural diagram of one side of a mounting base in an embodiment of the present invention;

[0026] Figure 6 is a schematic structural diagram of the other side of the mounting base in an embodiment of the present invention;

[0027] Figure 7 It is a schematic cross-sectional structure diagram of a swing water outlet mechanism of the present invention;

[0028] Figure 8 The present invention Figure 7 Schematic diagram of the cross section at AA;

[0029] Fig. 9 The present invention Figure 7The enlarged schematic diagram of point B in the middle;

[0030] Fig.10 is a schematic diagram of a cycle when a driving component is running in an embodiment of the present invention;

[0031] Fig.11 The present invention Fig.10 The enlarged schematic diagram at C in the middle;

[0032] Fig.12 These are two views of a water outlet device of the present invention;

[0033] Markings in the figure: 1. body; 2. water chamber; 3. bottom cover; 4. surface cover; 5. water outlet; 6. water outlet nozzle; 7. drive assembly; 8. impeller; 9. reduction internal gear; 10. connecting plate; 11. drive rod; 12. mounting seat; 13. gear member; 14. water nozzle drive member; 15. water nozzle drive part; 16. head; 17. tail; 18. mounting part; 19. opening; 20. positioning groove; 21. positioning block; 22. limiting column; 23. shaft; 24. rotating gear part; 25. long hole part; 26. rack part; 27. limiting rib; 28. rotating shaft; 29. ​​oblique water outlet; 30. water inlet port; 31. annular boss; 32. water trough; 33. eccentric shaft; 34. reduction external gear; 35. limiting flange. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the invention claimed for protection, but merely represents the selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0035] Depend on Figures 1 to 11As shown, the embodiment of the present invention provides a swinging water outlet mechanism, including a water outlet body 1, the water outlet body 1 includes a water inlet end, a water outlet end and a water passage chamber 2 connecting the water inlet end and the water outlet end, the water outlet end is provided with a water outlet 5 and a water outlet nozzle 6 movably arranged on the water outlet 5, the water outlet nozzle 6 is used to output and guide the water flow of the water outlet end; and also includes a driving component 7 arranged on the water outlet body 1, the driving component 7 is provided with a water nozzle driving part 15 capable of driving the output end of the water outlet nozzle 6 to change the direction. The driving component 7 drives the water outlet nozzle 6 to change the angle position on the water outlet 5, thereby changing the direction of the sprayed water flow by changing the port direction of the water outlet nozzle 6, and then can perform flushing at multiple angles and multiple ranges during use, improving the use experience.

[0036] Furthermore, the driving assembly 7 includes a faucet driving component 14 and a driving unit connected to the faucet driving component 14, and the faucet driving part 15 is arranged on the faucet driving component 14; wherein, the driving unit is configured to be able to drive the faucet driving component 14 to perform linear reciprocating motion, so that the faucet driving part 15 reciprocates to drive the water outlet 6 so that its output end can change direction back and forth.

[0037] Among them, in this embodiment, if Fig. 9 As shown, the water outlet 6 includes a head 16 at the front end and a tail 17 at the rear end, and the front and rear ends are connected to form an output water path of the water outlet 6, and the output water path gradually narrows from the tail 17 to the head 16, which is convenient for inputting water flow and can increase water pressure. This is the prior art and will not be elaborated. Further, the inner wall of the water outlet 5 gradually narrows from the inside to the outside and is arranged in an arc shape, forming a limit portion that limits the movement of the water outlet 6, and is adapted to slide against the head 16 of the water outlet 6, so that when the water outlet 6 is subjected to water flow, the head 16 can be well against the inner wall of the water outlet 5, and at the same time, when the angle of the water outlet 6 changes, it can also continue to be against each other, avoiding water leakage, while the water outlet 5 can also play a limiting role, but the size of the port of the water outlet 5 will not affect the water output of the output end of the water outlet 6, and the water outlet 6 will not protrude from the water outlet 5, which is more beautiful. In this embodiment, the faucet drive part 15 is a slotted structure that penetrates the faucet drive member 14, and is movably sleeved on the tail 17 of the water spout 6 through the slotted faucet drive part 15. When the faucet drive part 15 moves, since the head 16 cannot move radially due to the restriction of the position-limiting part, the angle of the water spout 6 on the water outlet 5 can be adjusted in a swinging manner by moving the tail 17. When the faucet drive part 15 performs a linear reciprocating motion, it can drive the water spout 6 to swing back and forth within its angle range, thereby adjusting the direction of the output water flow to and fro. In particular, when in use, the impact strength of the water flow can well push the water spout 6 against the water outlet 5, making it convenient for the faucet drive part 15 to perform drive adjustment.

[0038] Preferably, the water outlet end of the body 1 is provided with a plurality of water outlets 5, wherein a plurality of rows of water outlets 5 are provided in the longitudinal direction, and a plurality of water outlets are provided in each row. Correspondingly, a plurality of water outlet driving parts 15 corresponding to each water outlet 5 are provided on the water outlet driving member 14, which are used to drive the water outlet 6 on each water outlet 5, and can be arranged according to needs and designs without limitation. In this embodiment, three rows are provided, and three water outlets 5 are provided in each row, so that the water outlet 6 at each water outlet 5 can be synchronously driven by a water outlet driving member 14, and then a synchronous swinging water outlet effect is formed when water is discharged, with a large impact range, beautiful water splashes, and better flushing effect.

[0039] Preferably, the water outlet body 1 further comprises a bottom cover 3 and a surface cover 4, and a mounting portion 18 for mounting a driving unit is provided in the water passage chamber 2, and the mounting portion 18 is located on the bottom cover 3. The driving unit comprises an impeller 8, a mounting seat 12, a gear member 13 and a driving rod 11, and the mounting seat 12 is coaxially provided with an opening 19, and the gear member 13 is rotatably connected to one side of the opening 19 on the mounting seat 12. In this embodiment, the mounting portion 18 is in the shape of a circular groove, and a positioning groove 20 is provided on the mounting seat 12. A positioning block 21 matching the positioning groove 20 is provided in the mounting portion 18, and the positioning groove 20 and the positioning block 21 are docked to facilitate the positioning and installation of the mounting seat 12. At the same time, a plurality of limiting columns 22 are provided on the side of the mounting seat 12 away from the bottom cover 3, and when the surface cover 4 is connected to the bottom cover 3, the limiting columns 22 can be abutted against the surface cover 4, and the mounting seat 12 is stably fixed on the mounting portion 18.

[0040] The gear member 13 includes a shaft rod 23 as an axis end, a rotating tooth portion 24 fixed to one side of the shaft end, and a long hole portion 25 fixed to the other side. The gear member 13 is rotatably set on the mounting hole of the mounting seat 12 through the shaft rod 23. At the same time, a mounting hole suitable for the rotating connection of the shaft rod 23 is also provided on the surface cover 4, so that the gear member 13 can operate stably after installation; the faucet drive member 14 is provided with a rack portion 26 that can mesh with the rotating tooth portion 24. The driving rod 11 is suitable for passing through the long strip opening of the long strip hole portion 25 and slidingly connected; wherein the driving rod 11 is configured to be able to coaxially rotate eccentrically on the opening 19, thereby driving the gear member 13 to rotate back and forth, that is, its motion trajectory is a circular trajectory motion with the axis of the opening 19 as the center, so that when the driving rod 11 moves, it can slide back and forth in the opening of the long strip hole portion 25, so as to drive the long strip hole portion 25 to swing with the shaft rod 23 as the axis, and then make the rotating gear portion 24 reciprocate, thereby driving the water faucet driving member 14 to reciprocate in the extension direction of the rack portion 26 through the rack portion 26. The water faucet driving member 14 is slidably connected with the water passage chamber 2, and the water passage chamber 2 is configured with a track that can constrain the water faucet driving member 14 to move in the extension direction of the rack portion 26, so that the gear member 13 can drive the water faucet driving member 14 to reciprocate on the track. In this embodiment, a plurality of limiting ribs 27 are provided in the water passage chamber 2, and are slidably connected to the water spout driving member 14 through the side wall of the water passage chamber 2, forming a track that allows the water spout driving member 14 to stably reciprocate, so as to drive the water spout 6 to reciprocate. It should be noted that, by providing the limiting ribs 27, a gap can be provided between the water spout driving member 14 and the bottom cover 3, so that the water flow can more conveniently pass through the slot of the water spout driving part 15 and be guided to the water spout 6.

[0041] The faucet driving component 14 is in a frame structure as a whole, thereby reducing the overall weight of the faucet driving component 14 and facilitating the driving of the driving unit.

[0042] Preferably, in this embodiment, two gear members 13 are provided, and the two gear members 13 are respectively provided on both sides of the opening 19. The faucet driving member 14 is also provided with two rack parts 26, and the two rack parts 26 are symmetrically arranged. The two rack parts 26 are respectively meshed and connected with the rotating tooth parts 24 of the two gear members 13, wherein the driving rod 11 passes through the long strip hole parts 25 of the two gear members 13 at the same time, and drives the two gear members 13 to run at the same time, so as to be able to drive the faucet driving member 14 to reciprocate more stably. Figure 4As shown, it should be noted that since the two rack portions 26 are symmetrically arranged, in order to avoid the elongated hole portions 25 from conflicting with each other when the two gear members 13 swing, the tooth portion 24 and the elongated hole portion 25 of one gear member 13 are arranged in the same radial direction, and the tooth portion 24 and the elongated hole portion 25 of the other gear member 13 are arranged in an alternating manner, thereby ensuring that the tooth portion 24 can mesh with the rack portion 26 and that the two elongated hole portions 25 will not conflict with each other.

[0043] Preferably, in the present embodiment, a rotating shaft 28 is coaxially arranged on the mounting portion 18; the driving unit also includes an impeller 8, which is rotatably connected to the rotating shaft 28 and coaxially arranged in the opening 19, and the driving rod 11 is eccentrically connected to the impeller 8; the mounting seat 12 is configured with an oblique water outlet 29 for connecting the water path between the water inlet end and the water outlet end; the two sides of the oblique water outlet 29 are respectively connected to the water inlet end and the inside of the opening 19; wherein the oblique water outlet 29 is configured to be able to guide the water flow in the water path to the blades of the impeller 8, thereby driving the impeller 8 to rotate; the impeller 8 is rotated by impacting the blades of the impeller 8 by the water flow, thereby forming a driving source that drives the driving rod 11 to perform eccentric motion, so that the main body 1 can automatically drive the water outlet 6 to swing when in use, which is more automated and more convenient.

[0044] Among them, in other embodiments, a motor can be used in conjunction with a connecting plate as a driving source for the driving rod 11, or the impeller can be driven by changing the position of the water inlet end, which all fall within the protection scope of the concept of the present invention and will not be elaborated here.

[0045] Among them, in this embodiment, the water inlet port 30 of the water inlet end is arranged on the side wall of the groove of the mounting portion 18, the mounting seat 12 can be limited and abutted against the annular boss 31 on the inner wall of the mounting portion 18, the outer circumference of the mounting seat 12 is sealed with the inner wall of the mounting portion 18 through a sealing ring, and the mounting seat 12 is also provided with an annular water groove 32 on the side close to the mounting portion 18, and the sealing groove between the end of the inner groove wall of the water groove 32 and the mounting portion 18 is sealed by a sealing ring, and multiple oblique water outlets 29 are arranged on the inner groove wall of the water groove 32, so that when the mounting seat 12 is installed on the mounting portion 18, the water flow from the water inlet port 30 enters the water chamber 2 first, and then is guided into the opening 19 through the oblique water outlet 29 on the groove wall, and the impeller 8 in the opening 19 is impact-driven, and finally leads to the water outlet.

[0046] Furthermore, the drive assembly 7 is also provided with a reduction unit, which is connected and arranged between the impeller 8 and the drive rod 11, and is used to reduce the rotation speed of the drive rod 11. It can be a variable amplitude cycloid gear reduction mechanism and a planetary gear reduction mechanism to achieve the purpose of reduction. In this embodiment, the reduction unit adopts a variable amplitude cycloid gear reduction mechanism, by protruding an eccentric shaft 33 on the impeller 8, installing the reduction internal gear 9 on the eccentric shaft 33, and then fixing the drive rod 11 on the connecting disk 10, and installing the connecting disk 10 on the reduction internal gear 9, and finally, by setting a reduction external gear 34 matching the reduction internal gear 9 on the inner side wall of the opening 19 of the mounting seat 12, during operation, the reduction internal gear 9 meshes and rotates in the reduction external gear 34, and the effect of reduction can be achieved. The specific principle is the existing technology, and no further description is given here. Through the reduction unit, the purpose of reducing the speed of the drive assembly 7 during operation can be achieved, thereby reducing the swing speed of the water outlet 6, and improving the user experience and service life.

[0047] It should be noted that, in other embodiments, the driving rod 11 can be directly eccentrically set on the impeller 8 to directly form a driving unit, which also falls within the protection scope of the present invention and will not be elaborated here.

[0048] Preferably, a plurality of limiting flanges 35 are provided on one side of the mounting seat 12 away from the mounting portion 18, and the ends of the limiting flanges 35 radially extend to the opening 19, so as to limit the impeller 8 in the opening 19. In this embodiment, the limiting flanges 35 can limit both the impeller 8 and the reduction unit in the opening 19, so that the impeller 8 can be more stably located in the mounting seat 12 during operation.

[0049] like Fig.12 As shown, the present invention also provides a water outlet device, which is equipped with the above-mentioned swing water outlet mechanism. Such as a shower rod or a shower screen. The swing water outlet mechanism has a simple structure, a small size and thickness, a compact structure when installed in the water outlet device, a water outlet 6 does not protrude, and the overall structure is beautiful. When in use, water can be automatically swung up and down through multiple water outlets 6 on the water outlet end, with a large water outlet range, beautiful water splashes, and a good back massage bathing effect, which relieves user fatigue and has good visual and use effects.

[0050] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A swinging water outlet mechanism, comprising a water outlet body, wherein the water outlet body comprises a water inlet end, a water outlet end and a water passage cavity connecting the water inlet end and the water outlet end, characterized in that: The water outlet end is provided with a water outlet and a water outlet nozzle movably arranged on the water outlet, and the water outlet nozzle is used to output and guide the water flow of the water outlet end; It also includes a driving assembly arranged on the water outlet body, wherein the driving assembly is provided with a water nozzle driving part capable of driving the water nozzle output end to change the direction.

2. A swing water outlet mechanism according to claim 1, characterized in that The driving assembly includes a faucet driving member and a driving unit connected to the faucet driving member, and the faucet driving part is arranged on the faucet driving member; wherein, the driving unit is arranged to be able to drive the faucet driving member to make linear reciprocating motion, so that the faucet driving part can reciprocate and drive the water outlet to change the direction of the output end.

3. A swing water outlet mechanism according to claim 2, characterized in that The water outlet is provided with a limiting portion that causes the water outlet to swing, so that the water outlet driving portion can drive the water outlet to swing, thereby changing the direction of the output end.

4. A swing water outlet mechanism according to claim 2, characterized in that , a mounting portion for mounting the driving unit is provided in the water passage cavity; The driving unit comprises a mounting seat, a gear member and a driving rod, wherein the mounting seat is coaxially provided with an opening, and the gear member is rotatably connected to one side of the opening on the mounting seat; the gear member comprises a rotating tooth portion located on one side of the shaft end and a long strip hole portion on the other side, and the driving rod is suitable for passing through the opening of the long strip hole portion and being slidably connected; The driving rod is configured to be able to coaxially and eccentrically rotate on the opening, thereby driving the gear member to rotate back and forth; The water faucet driving member is provided with a rack portion which can be meshed with the rotating gear portion; the water faucet driving member is slidably connected with the water passage chamber; the water passage chamber is constructed with a track which can constrain the water faucet driving member to move in the extension direction of the rack portion, so that the gear member can drive the water faucet driving member to reciprocate on the track.

5. A swing water outlet mechanism according to claim 4, characterized in that There are two gear parts, which are respectively arranged on both sides of the opening; two rack parts are arranged on the water nozzle driving part, and the two rack parts are respectively connected to the two gear parts.

6. A swing water outlet mechanism according to claim 4, characterized in that , a rotating shaft is coaxially arranged on the mounting portion; the driving unit further comprises an impeller, the impeller is rotatably connected to the rotating shaft and is coaxially arranged in the opening; The mounting seat is configured with an oblique water inlet for connecting the water path between the water inlet and the water outlet; the two sides of the oblique water inlet are respectively connected to the water inlet and the inside of the opening; wherein the oblique water inlet is configured to direct the water flow on the water path to the blades of the impeller, thereby driving the impeller to rotate; The driving rod is eccentrically connected to the impeller.

7. A swing water outlet mechanism according to claim 6, characterized in that The driving assembly is also provided with a reduction unit, which is connected between the impeller and the driving rod and is used to reduce the rotation speed of the driving rod.

8. A swing water outlet mechanism according to any one of claims 6 or 7, characterized in that A plurality of limiting flanges are arranged on one side of the mounting seat away from the mounting portion, and the ends of the limiting flanges radially extend to the opening for limiting the impeller in the opening.

9. A swing water outlet mechanism according to claim 4, characterized in that The water outlet body also includes a bottom cover and a surface cover, and the mounting portion is located on the bottom cover; a plurality of limiting columns are arranged on the side of the mounting seat away from the bottom cover, and when the surface cover is connected to the bottom cover, the limiting columns can abut against the surface cover.

10. A water outlet device, characterized in that , including the swinging water outlet mechanism as described in any one of claims 1 to 9.

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