CN212346881U - Massage head and massage device - Google Patents

Abstract

The application provides a massage head and a massage device, wherein the massage head comprises an actuating element, a shell and a heating element; the shell is provided with an inner cavity and a mounting position, and the mounting position is formed at the front part of the shell; the actuating member is assembled in the inner cavity, and the heating member is assembled and fixed on the mounting position. In the embodiment, the actuating element is fixedly assembled in the inner cavity of the shell which is opened towards the rear part, and the electric heating element is assembled and fixed at the mounting position of the front part of the shell, so that the actuating element and the electric heating element are coordinately integrated in one massage head, the massage head and the electric heating element are effectively fixed, the electric heating element and the massage head are separated by a certain distance to avoid interference between the electric heating element and the massage head, and the electric heating element can be effectively fixed to avoid damage through the mounting position arranged on the shell.

Description

Massage head and massage device

Technical Field

The application relates to the technology of massage equipment, in particular to a massage head and a massage device.

Background

The massage device in the prior art is generally configured with one or more massage heads, and if the existing massage device needs to be configured with a heating function, the existing massage device is generally heated by an electric heating tube or an infrared generating device which is additionally arranged relative to the massage heads, so that a circuit and a control device need to be additionally arranged to match with a heating device, the internal structure of the massage device is complicated, and the problems of cost increase, high failure rate and the like are caused.

The above information disclosed in the background section is only for enhancement of understanding of the prior art, understanding of problems with the prior art, and understanding of technical solutions of the present invention.

SUMMERY OF THE UTILITY MODEL

In the summary section a series of concepts in a simplified form is introduced, which will be described in further detail in the detailed description section.

It is a primary object of the present application to overcome at least one of the above-mentioned drawbacks of the prior art and to provide a massage head integrated with a heating function.

Another primary object of the present application is to overcome at least one of the above-mentioned drawbacks of the prior art and to provide a massage apparatus in which a heating function is integrated into a massage head.

In order to achieve the purpose of the invention, the following technical scheme is adopted in the application:

according to one aspect of the present application, there is provided a massage head including an actuating member, a housing, and a heating member; the shell is provided with an inner cavity and a mounting position, the inner cavity is formed in the shell, and the mounting position is formed in the front of the shell; the actuating member is assembled in the inner cavity, and the heating member is assembled and fixed on the mounting position.

According to an embodiment of the present application, wherein the mounting position is a slot formed at a front portion of the housing, the slot being formed at an outer periphery of the housing; or the mounting position is a drop groove formed in the front part of the shell, and the drop groove is formed in the periphery of the shell; or the installation position comprises a first limiting part and a second limiting part, the installation position is formed on the periphery of the shell, the first limiting part is positioned at the front end of the installation position, and the second limiting part is positioned at the rear end of the installation position. The heating element is arranged on the periphery of the front part of the massage head, so that the heating target of the heating element is mainly arranged on the periphery of the front part of the massage head and is more concentrated on the part acted by the massage.

According to an embodiment of the present application, the heating element is a heating wire or a heating sheet wound around the installation position.

According to an embodiment of the present application, the housing further has a yielding groove, the yielding groove is open to the rear of the housing, and the yielding groove is used for yielding the wiring portion of the actuating member.

According to an embodiment of the application, a sheath is further provided, and the sheath is fixedly sleeved outside the massage head.

According to an embodiment of the present application, the sheath is made of a heat-sensitive material so as to change the color of the sheath according to the temperature.

According to an embodiment of the present application, the housing is made of a material with high thermal conductivity, and a thermal insulation layer is further disposed between the housing and the actuating member.

According to an embodiment of the present application, there is further provided a sensor provided on a front end surface of the massage head.

According to an embodiment of the application, wherein the sensor comprises a pressure sensor and/or a temperature sensor.

According to an embodiment of the present application, the front end of the mounting portion is a first distance to the front end surface of the housing, the rear end of the mounting portion is a second distance to the rear end surface of the housing, and the first distance is smaller than the second distance.

According to an embodiment of the present application, wherein the first distance is less than 1/10 of the second distance.

According to an embodiment of the present application, wherein the axial height of the mounting location is 1/4-1/3 of the housing axial height.

According to another aspect of the present application, there is provided a massage device comprising one or more massage heads as described in any one of the preceding claims.

According to the technical scheme, the massage head and the massage device have the advantages and positive effects that:

the massage head in the embodiment of the application comprises an actuating piece, a shell and a heating piece; the shell is provided with an inner cavity and an installation position, the inner cavity is opened towards the rear part of the shell, the installation position is a slot formed in the front part of the shell, and the slot is formed in the periphery of the shell; the actuating member is assembled in the inner cavity, and the heating member is assembled and fixed on the mounting position. In the embodiment, the actuating element is fixedly assembled in the inner cavity of the shell which is opened towards the rear part, and the electric heating element is assembled and fixed at the mounting position of the front part of the shell, so that the actuating element and the electric heating element are coordinately integrated in one massage head, the massage head and the electric heating element are effectively fixed, the electric heating element and the massage head are separated by a certain distance to avoid interference between the electric heating element and the massage head, and the electric heating element can be effectively fixed to avoid damage through the mounting position arranged on the shell.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

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

Fig. 1 is a schematic view showing an assembled structure of a massage head according to an exemplary embodiment.

Fig. 2 is a schematic view of a massage head according to an exemplary embodiment.

Fig. 3 is a schematic cross-sectional structure view of a massage head according to an exemplary embodiment.

Fig. 4 is a side view of a massage head according to an exemplary embodiment.

Fig. 5 is a schematic structural view of a massage head according to another exemplary embodiment.

Fig. 6 is a schematic structural view of a massage head according to still another exemplary embodiment.

Fig. 7 is a schematic view showing the structure of a massage head provided with a sheath according to an exemplary embodiment.

Fig. 8 is a schematic structural view illustrating a massage apparatus according to an exemplary embodiment.

Wherein the reference numerals are as follows:

10. a massage head; 1. an actuator; 11. a wiring portion; 12. a power line; 2. a housing; 21. an inner cavity; 22. an installation position; 221. a first limiting part; 222. a second limiting part; 23. a yielding groove; 3. a heating member; 4. a thermal insulation layer; 5. a sheath; 7. a pressure sensor; 8. a temperature sensor; 20. a massage device.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The applicant finds that the difficulty of integrating the heating element in the massage head is the contradiction between the actuating element of the massage head and the stability of the heating element and the contradiction between the thermal performance of the heating element and the motor, so how to integrate the heating function into the massage head in a coordinated way is the technical difficulty in the prior art. The applicant considers that the actuating element of the massage head can be fixedly assembled in the inner cavity of the shell, and the electric heating element can be assembled and fixed in the mounting position at the front part of the shell, so that the two can be coordinately integrated in one massage head by utilizing the shell, the two can be effectively fixed, and the two can be separated by a certain distance to avoid the interference between the two, and the electric heating element can be effectively fixed to avoid the damage by the mounting position arranged on the shell.

The embodiments of the present application are schematically illustrated below with reference to the accompanying drawings:

fig. 1 is a schematic view showing an assembled structure of a massage head according to an exemplary embodiment, and fig. 2 is a schematic view showing a structure of a massage head according to an exemplary embodiment. The embodiment provides a massage head 10 which is mainly used for being assembled in a massage device, but can be used in products such as beauty treatment products, physiotherapy products and the like. The massage head 10 mainly comprises an actuating component 1, a shell 2, a heating component 3 and a heat insulation layer 4. The housing 2 is formed with an inner cavity 21 and a mounting location 22, the inner cavity 21 being formed in the housing 2, and the inner cavity 21 being optionally open to the rear of the housing 2 for facilitating the fitting of the actuator 1 from the open portion of the inner cavity 21, and the mounting location 22 being optionally formed in the front of the housing 2 for better correspondence with the massage application position. The actuating element 1 is arranged in the inner cavity 21, and the heating element 3 is arranged and fixed at the mounting position 22.

In the present embodiment, the actuator 1 is fixedly mounted in the inner cavity 21 of the housing 2, and the electric heating element 3 is mounted and fixed in the mounting position 22 of the front portion of the housing 2, so that the two are cooperatively integrated into one massage head 10, and not only are the two effectively fixed, but also the two are separated by a certain distance to avoid interference between the two, and the electric heating element 3 can be effectively fixed and prevented from being damaged by the mounting position 22 provided on the housing 2.

In the embodiment of the present application, the actuating element 1 may be an encapsulated integrated vibration motor, that is, the motor and the vibration generator are both internally installed and encapsulated by the motor housing, and the actuating element 1 is, for example, a linear vibration motor. The actuator 1 may further include a wire connection portion 11 and a power cord 12 connected to the wire connection portion 11.

The heating member 3 in the embodiment of the present application may be selected from various heating members capable of inputting electric energy to increase the temperature, such as an electric heating wire, a PTC ceramic heating sheet, or an infrared radiation heating member, and is not limited thereto. In use, the heating element 3 generally raises the temperature to 42 ℃ to 45 ℃ so as to conduct to the human body generally at 40 ℃ to 42 ℃, and it can be understood that the heating element 3 is directly applied to the head of the massage head 10 in the embodiment so as to improve the thermal efficiency of the heating element 3, thereby avoiding the use of a high-temperature heating element and certainly avoiding other risks or necessary protective measures caused by high temperature.

In the embodiment of the application, the heating member 3 is an electric heating wire, and can be conveniently and firmly fixed in the installation position, and can be packaged and fixed by using heat-conducting glue, the heat-conducting glue is a heat-conducting medium material which is synthesized by using silica gel, rubber or plastic as a base material and can be added with various auxiliary materials such as metal oxides, and a heating part and a heated part are communicated through a heat channel by using the heat-conducting medium material synthesized by a special process, so that the heat transfer efficiency is effectively improved, and meanwhile, the effects of insulation, sealing and the like are also achieved, and the design requirements of miniaturization and ultrathin device can be met.

It should be noted herein that the massage head structure shown in the drawings and described in this specification is only one example of the wide variety of massage heads that can employ the principles of the present application. It should be clearly understood that the principles of the present application are by no means limited to any details of the massage head or any component of the massage head shown in the drawings or described in the present specification.

As shown in the figures, the rear part of the massage head 10 in the specification means the part close to the root of the massage head 10, the root of the massage head 10 is one end for being assembled and fixed on the massage device, while the front part of the massage head 10 in the specification means the part close to the head part of the massage head 10, and the head part of the massage head 10 is one end directly acting on the user.

In the embodiment of the present application, the housing 2 is selected from materials with high thermal conductivity, such as various materials with thermal conductivity of 50 λ or more, such as iron, aluminum, copper, and high thermal conductivity composite materials. So that the heat energy generated by the heating element 3 is conducted through the housing in the direction of the user. In cooperation with the above, a thermal insulation layer 4 is optionally provided between the housing 2 and the actuating element 1, so that the thermal energy conducted through the housing 2 is insulated outside the actuating element 1, and the heat is prevented from acting in the actuating element 1 to affect the operation stability thereof. It is understood that the material of the thermal insulation layer 4 is a thermal insulation material (thermal insulation material), which is a material capable of retarding heat flow transmission, and is also called thermal insulation material. Conventional thermal insulation materials such as glass fiber, asbestos, rock wool, silicate, etc., and novel thermal insulation materials such as aerogel blankets, vacuum panels, etc. The insulating layer 4 can be made as a coating applied to the outer surface of the actuating element 1 or to the inner surface of the inner cavity of the housing 2 or can be prefabricated as a sleeve matching the outer shape of the actuating element 1 for fitting onto the actuating element 1 before assembly. In the embodiment, the heat insulation layer 4 is in a ring shape with two open ends, so that the heat insulation layer can be conveniently sleeved outside the actuating piece 1.

According to the above embodiment, the actuating member 1 and the heating member 3 are integrated into one massage head 10 through the housing 2 in a coordinated manner, so that the two are not only effectively fixed, but also thermally separated to avoid thermal interference between the two.

According to an embodiment of the present application, the massage head 10 is selected to be cylindrical as a whole, that is, the housing 2 is cylindrical in shape, the mounting position 22 is a slot formed in the front portion of the housing 2, the slot is a slot having a substantially U-shaped cross section, the slot is formed on the outer circumferential surface of the housing 2, and the heating member 3 can be disposed in the slot of the mounting position 22. As illustrated in the embodiment of the figure, the slot of the mounting position 22 is selected to be a slot extending annularly, and the slot depth is selected to be substantially larger than the heating member thickness, so that the heating member 3 is arranged on the outer periphery of the front portion of the massage head 10, so that the heating target of the heating member 3 is mainly on the outer periphery of the front portion of the massage head 10, and is more concentrated on the portion to be massaged. And the shell 2 can also be provided with a wire passing groove or a wire passing hole (not shown in the figure) for the heating element 3, so that the power wire of the heating element 2 can be effectively fixed, and the wire connection damage or the fault can be avoided. On the other hand, the power cord of the heating member 3 may be directly adhered to the surface of the housing 2, thereby effectively fixing the power cord.

In this embodiment, the mounting position 22 in the form of an annular groove can embed the heating element 3 therein, and the heating element 3 in the form of a heating wire can be wound in the groove, and the overall height of the heating element 3 is not higher than the depth of the groove. Therefore, after the massage head 10 is sleeved with the sheath, no convex part exists, the local friction between the shell 2 and the sheath is reduced, and the durability of the product is ensured.

According to an embodiment of the present application, the axial height of the mounting location 22 is between 1/4 and 1/3 of the axial height of the housing 2, which is preferably located as far as possible away from the position of the actuating element 1, so as to avoid the main heating power of the heating element 3 acting directly on the actuating element 1. As shown in the figure, in which the axial height of the mounting position 22 occupies the axial height 1/3 of the housing 2, the preferred matching ratio makes the massaging head more consistent, and is better adapted to the structure example in which the heating element 3 is a heating wire.

The front end of the installation position 22 is a first distance from the front end of the shell 2, the rear end of the installation position 22 is a second distance from the rear end of the shell 2, and the first distance is smaller than the second distance, so that the installation position 22 is positioned at the position close to the front of the massage head 10, and the massage head is convenient to position and implement quickly in production. In the embodiment shown in the figures, the first distance is 1/10 smaller than the second distance to advance the position of the heating element 3 as much as possible, and only a stop arm forming a mounting position needs to be left at the front end of the casing, so as to exert the main heating power of the heating element 2 on the head position of the massage head 10 as much as possible.

Fig. 3 is a schematic sectional structure view of a massage head according to an exemplary embodiment, and fig. 4 is a schematic side structure view of the massage head according to an exemplary embodiment. Wherein the housing 2 further has a relief groove 23, the relief groove 23 is open to the rear of the housing 2 to facilitate the insertion of the actuating member 1 from the rear of the housing 2. The abdicating groove 23 is used for abdicating the wire connecting part 11 protruded from the actuating piece 1. On the other hand, the wiring portion 11 is a substantially rectangular rubber block, the receding groove 23 can be a long groove with a rounded guiding corner at the opening, and the actuating element 2 can be quickly positioned in the assembling process through the matching of the wiring portion 11 and the receding groove 23, so that the foolproof positioning function is realized.

In the embodiment, the massage head 10 provided with the heating element 3 and the wiring portion 11 is embedded in the groove and the receding groove, so that the massage head 10 still keeps a round cylindrical shape, and particularly, the groove and the receding groove can be packaged and leveled by packaging glue, so that the components in the massage head can be effectively fixed. Particularly, the mounting position of the heating element 3 can be selected as packaging glue with high heat conductivity coefficient for packaging, so that the back part and the front part of the massage head 10 can be configured with different heat performance, and the contradiction between the heating and the heat dissipation of the heating element and the actuating element can be solved.

Fig. 5 is a schematic structural view of a massage head according to another exemplary embodiment. In this embodiment, the main difference from the previous embodiment is that, as shown in the figure, the mounting position 22 is a drop groove with an L-shaped cross section formed at the front part of the housing 2, and the drop groove is formed at the outer periphery of the housing 2. The heating element 3 can be embedded in the groove, the heating element 3 in the electric heating wire type can be wound in the groove, and the whole height of the heating element 3 is not higher than the depth of the groove. Therefore, after the massage head 10 is sleeved with the sheath, no convex part exists, the local friction between the shell 2 and the sheath is reduced, and the durability of the product is ensured.

It will be appreciated that the L-shaped drop channel in cross-section facilitates loading of the pre-formed heating element 3 from the open end. Or a prefabricated hat-shaped heating element 3 is directly sleeved on the mounting position 22 in a fitting manner, and the outer diameter of the heating element 3 can be consistent with that of the shell.

On the other hand, the mounting position of the fixed heating element 3 can also be selected as packaging glue with high heat conductivity coefficient for packaging, so that the back part and the front part of the massage head 10 can be configured with different thermal properties, and the contradiction between the heating and the heat dissipation of the heating element and the actuating element can be solved.

Fig. 6 is a schematic structural view of a massage head according to still another exemplary embodiment. In this embodiment, as shown in the figure, the main difference from the previous embodiment is that the mounting position 22 includes a first stopper portion 221 and a second stopper portion 222 of a convex ring type, the mounting position 22 is formed on the outer periphery of the housing 2, the first stopper portion 221 is located at the front end of the mounting position 22, and the second stopper portion 222 is located at the rear end of the mounting position 22. The first position-limiting portion 221 and the second position-limiting portion 222 define a mounting position 22 therebetween.

The heating element 3 can be embedded in the installation position 22, and the heating element 3 in the form of a heating wire or a heating sheet can be wound in the installation position 22, and the overall height of the heating element 3 is not higher than the depth of the groove in the installation position 22. The corresponding part of the sheath of the massage head 10 can be configured with a concave part in a matching way so as to facilitate the convex-concave clamping type limit of the sheath, on the other hand, the installation position 22 of the embodiment is formed outside the complete shell 2, so the thickness interval of the heating element 2 from the inner cavity is larger, the heating function of the heating element 1 can act towards the front part more directly, and the heat conduction area with the shell is reduced.

On the other hand, the mounting position of the fixed heating element 3 can also be selected as packaging glue with high heat conductivity coefficient for packaging, so that the back part and the front part of the massage head 10 can be configured with different thermal properties, and the contradiction between the heating and the heat dissipation of the heating element and the actuating element can be solved.

Fig. 7 is a schematic structural view showing a massage head provided with a sheath according to an exemplary embodiment, in the present embodiment, the massage head 10 may further have a sheath 5, and the sheath 5 is fixedly sleeved outside the massage head 10. The material of the sheath 5 can be selected from soft materials such as silica gel, rubber or elastic plastic. Further, the material of the sheath 5 can be a heat-sensitive material, so as to change the color of the sheath 5 according to the temperature, for example, a temperature-sensitive toner is added to a soft material such as silica gel, rubber or elastic plastic, and the temperature-sensitive toner is a material commonly used in the field of injection molding, and therefore, the details thereof are not repeated herein.

The material of the sheath 5 can also be selected from heat-conducting glue, the heat-conducting glue is elastic silica gel, rubber or plastic cement as a base material, various auxiliary materials such as metal oxide and the like are added, a heat-conducting medium material synthesized by a special process is used for opening a heat channel between a heating part and a heated part, the heat transfer efficiency is effectively improved, meanwhile, the effects of insulation, sealing and the like are also achieved, and the design requirements of miniaturization and ultrathin of the device can be met.

In the embodiment of the application, the massage head 10 is also provided with sensors (7, 8) which are selectively arranged on the front end surface of the massage head 10. Specifically, the sensors may include a pressure sensor 7 and a temperature sensor 8, for example, as shown in the figure, the pressure sensor 7 and the temperature sensor 8 may be attached to the front end surface of the housing 2 of the massage head 10 side by side, so as to directly sense the temperature and the pressure of the head of the massage head 10, thereby facilitating the controller of the massage device to obtain the temperature and the pressure parameters of the head of each massage head 10.

In an exemplary embodiment, the power lines and control lines of the actuating element 1, the heating element 3 and the sensor in the massage head 10 may extend toward the rear to be connected to the connectors at the rear of the massage head 10, the connectors may be a standard connector structure, and the corresponding positions of the massage device may be provided with connector seats to be connected with the connectors in a matching manner, so as to realize the assembled electrical connection. The connector can be selected from plug-in type connector combination for various circuit boards, or connector combination of elastic golden fingers and metal contacts, and meanwhile, the massage head 10 can also be selected to be connected with the massage device in an assembling mode through screw connection, clamping connection or riveting connection and the like.

Fig. 8 is a schematic structural view illustrating a massage apparatus according to an exemplary embodiment. According to another aspect of the present application, there is provided a massage apparatus 20, as exemplified in the drawing, the massage apparatus 20 may be an eye massager, and various physiotherapy or cosmetology equipment, etc., which may be equipped with a plurality of massage heads 10. The positions of the massage heads 10 can be arranged corresponding to the acupuncture points of the human body, and adaptively, the massage device 20 is provided with a plurality of fixing positions corresponding to the massage heads 10, and the fixing positions can be configured with corresponding connector seats and fixing seats, and the connector seats and the fixing seats can be integrated into a whole, so that the massage heads 10 can be effectively fixed and connected.

The structure of the massage head 10 in the above embodiment has a better effect on the eye massager, and particularly, the heating element 3 of the massage head 10 is directly disposed on the head, so as to better correspond to the more concentrated acupuncture points on the face to perform a precise action. And each massage head 10 is configured with an independent heating element, an actuating element and a sensor, so that power output control can be accurately and respectively carried out according to different requirements of each acupuncture point, a better massage effect can be achieved, and the comfort level of a user and the satisfaction degree of a product are improved.

In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "assembled," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Some preferred embodiments of the present application have been described above with reference to the accompanying drawings. It should be understood by those of ordinary skill in the art that the specific structures and processes illustrated in the detailed description above are exemplary only and not limiting. Moreover, a person skilled in the art can combine the various features shown above in various possible ways to form new solutions, or make other modifications, all of which are within the scope of this application.

Claims (10)

1. A massage head is characterized in that the massage head comprises an actuating element, a shell and a heating element; the shell is provided with an inner cavity and a mounting position, the inner cavity is formed in the shell, and the mounting position is formed in the front of the shell; the actuating member is assembled in the inner cavity, and the heating member is assembled and fixed on the mounting position.

2. The massage head as recited in claim 1, wherein the mounting location is a slot formed in a front portion of the housing, the slot being formed in an outer periphery of the housing; or

The mounting position is a drop groove formed in the front part of the shell, and the drop groove is formed in the periphery of the shell; or

The installation position comprises a first limiting portion and a second limiting portion, the installation position is formed on the periphery of the shell, the first limiting portion is located at the front end of the installation position, and the second limiting portion is located at the rear end of the installation position.

3. The massage head as recited in claim 1, wherein a first distance is provided from a front end of the mounting portion to a front end surface of the housing, and a second distance is provided from a rear end of the mounting portion to a rear end surface of the housing, the first distance being less than the second distance.

4. The massage head as claimed in claim 1, wherein the housing further has a relief groove opened to a rear of the housing, the relief groove for relieving the wire connection portion of the actuating member.

5. The massage head of claim 1 further comprising a sheath, said sheath being fixedly attached to the exterior of said massage head.

6. The massage head as claimed in claim 5, wherein the sheath is made of a heat-sensitive material to change the color of the sheath according to temperature.

7. The massage head as claimed in claim 1, wherein the housing is made of a material having high thermal conductivity, and a heat insulating layer is provided between the housing and the actuating member.

8. The massage head according to any one of claims 1 to 7, further comprising a sensor provided on a front end surface of the massage head.

9. The massage head of claim 8 wherein the sensor comprises a pressure sensor and/or a temperature sensor.

10. A massaging device comprising one or more massaging heads as claimed in any one of claims 1 to 9.

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