CN222854203U - Neck massager - Google Patents

Abstract

The utility model provides a neck massager which comprises a bracket body, two clamping arms and a plurality of massaging heads, wherein the two clamping arms are respectively connected to two ends of the bracket body, a plurality of fixing columns are arranged at the bottoms of the massaging heads, limiting structures are convexly arranged at the top ends of the fixing columns, a plurality of mounting seats matched with the massaging heads are arranged on the inner side of the bracket body, a plurality of mounting holes matched with the fixing columns are formed in each mounting seat, the massaging heads are respectively mounted on one mounting seat, the fixing columns of each massaging head respectively penetrate through the mounting holes of the mounting seats, a fixing rubber ring is correspondingly arranged on each massaging head, and the fixing rubber rings are sleeved on the fixing columns extending from the mounting holes and are fixed on the mounting seats through the fixing rubber rings, the fixing columns and the limiting structures. Therefore, the neck massager is more stable and light in structure and convenient to detach and maintain.

Description

Neck massager

Technical Field

The utility model relates to the technical field of massage equipment, in particular to a neck massager.

Background

Along with the development of modern information technology, smart phones are popular in a large number, and the families of the vodka and the low-head family are more and more, so that the life of people is thoroughly changed, and meanwhile, the health of people is threatened. In recent years, cervical spondylosis has a tendency to be younger, and is very easy to occur because people who read mobile phones, books and computers for a long time have low head and keep the head and neck at a single posture position for a long time.

The neck massager can relieve neck fatigue, promote neck blood circulation, has good prevention effect on cervical spondylosis, and is simple and convenient to operate, so that the neck massager is increasingly favored by consumers. The prior neck massager comprises a bracket body and a massage head, wherein the massage head is usually fixed on the bracket body through a screw. Firstly, because the neck massager is in a vibration state during working, the screw is easy to loosen due to vibration, and the structure is not stable enough. Secondly, because the screw adopts the metal material more, thereby increased the weight of product. Thirdly, because the screw adopts carbon steel, stainless steel material more, after using for a period, the screw rusts easily, if the massage head damages, will unable to unscrew the screw and realize normal dismantlement, leads to the maintenance inconvenient.

In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.

Disclosure of utility model

In view of the above-mentioned drawbacks, an object of the present utility model is to provide a neck massager and a main machine structure, which are more stable and light in structure, and are convenient to detach and maintain.

In order to solve the technical problems, the utility model is realized as follows:

The utility model provides a neck massager which comprises a bracket body, two clamping arms and a plurality of massaging heads, wherein the two clamping arms are respectively connected to two ends of the bracket body, a plurality of fixing columns are arranged at the bottom of each massaging head, a limiting structure is convexly arranged at the top ends of the fixing columns, a plurality of mounting seats matched with the massaging heads are arranged on the inner side of the bracket body, a plurality of mounting holes matched with the fixing columns are formed in each mounting seat, the massaging heads are respectively mounted on one mounting seat, the fixing columns of each massaging head respectively penetrate through the mounting holes in the mounting seats, a fixing rubber ring is correspondingly arranged on each massaging head, and the fixing rubber rings are sleeved on the fixing columns extending out of the mounting holes and are fixed on the mounting seats through the fixing rubber rings, the fixing columns and the limiting structures.

According to the neck massager disclosed by the utility model, the bottom end of the fixed rubber ring is abutted against the mounting seat, and the top end of the fixed rubber ring is abutted against the limiting structure of the fixed column.

According to the neck massager, the cross-sectional area of the limiting structure is larger than that of the fixing column, and the first surface area formed by the limiting structures of each massaging head is larger than the second surface area surrounded by the fixing rubber ring.

According to the neck massager, the mounting seat is of a convex groove structure arranged on the inner side of the bracket body.

According to the neck massager disclosed by the utility model, the support body is internally provided with a first accommodating cavity, a first control circuit board is arranged in the first accommodating cavity, and the plurality of massage heads are respectively and electrically connected with the first control circuit board;

Each massage head comprises a massage head shell and an electrode plate, the massage head shell is provided with a second accommodating cavity, the electrode plate is fixed at the top of the massage head shell, and the electrode plate is electrically connected with the first control circuit board.

According to the neck massager of the utility model, the first control circuit board comprises a pulse driving circuit, wherein the pulse driving circuit is respectively and electrically connected with the electrode plates of the massage heads, and the electrode plates output pulse current according to the pulse control instructions of the pulse driving circuit, and/or

The first control circuit board comprises a motor driving circuit which is respectively and electrically connected with the vibrating motors of the massage heads, the vibrating motors vibrate according to the vibration control instructions of the motor driving circuit, and/or the first control circuit board comprises a motor driving circuit which is electrically connected with the vibrating motors of the massage heads

The first control circuit board comprises a heating driving circuit which is respectively and electrically connected with the heating components of the massage heads, and the heating components are heated according to heating control instructions of the heating driving circuit.

According to the neck massager disclosed by the utility model, the first accommodating cavity of the bracket body is also provided with the battery unit, and the battery unit is electrically connected with the first control circuit board.

The neck massager comprises a support body inner shell and a support body outer shell which are connected with each other, wherein the support body inner shell is arranged on the inner side of the neck massager, the inner side surface of the support body inner shell is provided with an arc-shaped surface matched with the neck of a human body, and the inner side surface of the support body inner shell is provided with a plurality of mounting seats.

According to the neck massager of the utility model, the clamping arms comprise a first clamping arm and a second clamping arm;

The first clamping arm comprises a first clamping arm inner shell and a first clamping arm outer shell which are connected with each other, a third accommodating cavity is formed by the first clamping arm inner shell and the first clamping arm outer shell together, the first clamping arm inner shell is arranged on the inner side of the neck massager, and the inner side surface of the first clamping arm inner shell is provided with an arc-shaped surface matched with the neck of a human body;

The second clamping arm comprises a second clamping arm inner shell and a second clamping arm outer shell which are connected with each other, a fourth accommodating cavity is formed by the second clamping arm inner shell and the second clamping arm outer shell together, the second clamping arm inner shell is arranged on the inner side of the neck massager, and the inner side surface of the second clamping arm inner shell is provided with an arc-shaped surface matched with the neck of a human body.

According to the neck massager of the utility model, the first clamping arm is provided with a key unit, the third accommodating cavity of the first clamping arm is provided with a second control circuit board, and the second control circuit board is respectively and electrically connected with the key unit and the first control circuit board, and/or

The second clamping arm is provided with a display unit, a third control circuit board is arranged in the fourth accommodating cavity of the second clamping arm, and the third control circuit board is respectively and electrically connected with the display unit and the first control circuit board.

The neck massager comprises a bracket body, two clamping arms and a plurality of massaging heads, wherein a plurality of fixing columns are arranged at the bottom of each massaging head, a limiting structure is arranged at the top ends of the fixing columns in a protruding mode, a plurality of mounting seats are arranged on the inner side of the bracket body, a plurality of mounting holes are formed in each mounting seat, the massaging heads are respectively mounted on one mounting seat, the fixing columns of each massaging head respectively penetrate through the mounting holes in the mounting seats, a fixing rubber ring is sleeved on the plurality of fixing columns extending from the mounting holes, and the massaging heads are fixed on the mounting seats through the fixing rubber ring, the fixing columns and the limiting structure. Therefore, the utility model can realize the detachable connection of the massage head and the neck massager, and firstly, the massage head is fixed on the mounting seat through the fixed rubber ring, the fixed column and the limiting structure, and can not be loosened due to the vibration of the neck massager, so that the structure is more stable. Secondly, because fixed rubber ring, fixed column and limit structure adopt silica gel or plastic material more, reduced the weight of product to it is lighter and more exquisite. In addition, because the fixed rubber ring, the fixed column and the limiting structure are made of silica gel or plastic materials, can not rust after being used for a period of time, and can be normally detached at any time, thereby being convenient for disassembly and maintenance.

Drawings

Fig. 1 is a perspective exploded view of a neck massager according to an embodiment of the present utility model;

FIG. 2 is a perspective view of a neck massager according to an embodiment of the present utility model;

FIG. 3 is a partially exploded perspective view of a neck massager provided in accordance with one embodiment of the present utility model;

FIG. 4 is a schematic view of a portion of a neck massager according to one embodiment of the present utility model;

fig. 5 is a sectional view of a massage head of a neck massage machine according to an embodiment of the present utility model.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It should be noted that references in the specification to "one embodiment," "an example embodiment," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Furthermore, such phrases are not intended to refer to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

Furthermore, certain terms are used throughout the specification and the claims that follow to refer to particular components or parts, and it will be understood by those of ordinary skill in the art that manufacturers may refer to a component or part by different terms or terminology. The present specification and the following claims do not take the form of an element or component with the difference in name, but rather take the form of an element or component with the difference in function as a criterion for distinguishing. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. The term "coupled," as used herein, includes any direct or indirect electrical connection. Indirect electrical connection means include connection via other devices.

The neck massager provided by the embodiment of the utility model is described in detail below through specific embodiments and application scenes thereof with reference to the accompanying drawings.

Referring to fig. 1 to 5, in one embodiment of the present utility model, a neck massager 100 is provided, which includes a bracket body 10, two clamping arms 20, and a plurality of massage heads 30. Two clamping arms 20 are respectively connected to both ends of the bracket body 10. The bottom of the massage head 30 is provided with a plurality of fixed columns 31, and the top ends of the fixed columns 31 are convexly provided with limiting structures 32. The inner side of the bracket body 10 is provided with a plurality of mounting seats 11 which are matched with a plurality of massage heads 30, and each mounting seat 11 is provided with a plurality of mounting holes 12 which are matched with a plurality of fixing columns 31. Preferably, the mounting seat 11 is a convex groove structure arranged on the inner side of the bracket body 10.

In assembly, the massage heads 30 are respectively mounted on one mounting seat 11, specifically, only the fixing posts 31 of the massage heads 30 and the mounting holes 12 of the mounting seat 11 are required to be aligned and close, and the fixing posts 31 of each massage head 30 respectively pass through the mounting holes 12 of the mounting seat 11. Each massage head 30 is correspondingly provided with a fixed rubber ring 40, and the fixed rubber ring 40 is made of silica gel or plastic materials. The fixing rubber ring 40 is sleeved on the fixing columns 31 extending from the mounting holes 12, and the massage head 30 can be stably fixed on the mounting seat 11 through the fixing rubber ring 40, the fixing columns 31 and the limiting structure 32. When the massage head 30 is detached, the fixed rubber rings 40 are pulled out from the fixed columns 31 of the massage head 30, so that the massage head 30 can be detached.

It can be seen that the massage head 30 and the stand body 10 of the neck massage device 100 of the present utility model can be assembled and disassembled very conveniently. First, since the massage head 30 of the neck massager 100 is fixed to the mounting seat 11 through the fixing rubber ring 40, the fixing column 31 and the limiting structure 32, the loosening does not occur due to the vibration of the neck massager 100, so that the structure is more stable. Secondly, since the fixing rubber ring 40, the fixing column 31 and the limiting structure 32 are made of silica gel or plastic, the weight of the neck massager 100 is reduced, and thus the neck massager is lighter. In addition, since the fixed rubber ring 40, the fixed column 31 and the limiting structure 32 are made of silica gel or plastic, they will not rust after a period of use, and can be normally detached at any time, thereby facilitating the detachment and maintenance of the neck massager 100.

Preferably, the bottom end of the fixing rubber ring 40 abuts against the mounting seat 11, and the top end of the fixing rubber ring 40 abuts against the limiting structure 32 of the fixing column 31, so that the structure is more stable due to the tight structural design.

Preferably, the cross-sectional area of the limiting structure 32 is larger than that of the fixing post 31, as shown in fig. 3 to 5, and the first surface area formed by the limiting structures 32 of each massaging head 30 is larger than the second surface area surrounded by the fixing rubber ring 40. Thus, the limiting structure 32 can be limited on the fixed rubber ring 40, and the fixed rubber ring 40 can be limited on the mounting seat 11.

Preferably, the support body 10 has a first accommodating cavity therein, and a first control circuit board 51 is disposed in the first accommodating cavity, as shown in fig. 1, and the plurality of massage heads 30 are respectively electrically connected to the first control circuit board 51. Preferably, the first control circuit board 60 is a flexible circuit board, which is easy to assemble, and is lightweight and space-saving.

Preferably, each of the massage heads 30 includes a massage head housing 33 and an electrode sheet 34, as shown in fig. 5, the massage head housing 33 has a second accommodation chamber, and the electrode sheet 34 is fixed to the top of the massage head housing 33, and the electrode sheet 34 is electrically connected with the first control circuit board 51.

Preferably, a vibration motor 35 is provided in the second accommodation chamber of the massage head housing 33. The first control circuit board 51 includes a motor driving circuit (not shown). The motor driving circuits are electrically connected to the vibration motors 35 of the massage heads 30, respectively, and the vibration motors 35 vibrate according to vibration control instructions of the motor driving circuits. The first control circuit board 51 controls the operation of the vibration motor, for example, controls the vibration motor to vibrate according to a preset frequency and/or duration, for example, the vibration frequency of the neck massager 100 is divided into a plurality of levels, and vibration is performed according to the vibration frequencies of different levels, so that vibration massage of different forces on the neck is realized. Correspondingly, the massage duration can also be controlled by sending out a control signal by the first control circuit board 51.

Preferably, the first control circuit board 51 includes a motor driving circuit and a pulse driving circuit (not shown). The pulse driving circuit is electrically connected with the electrode plates 34 of the massage heads 30 respectively, and the electrode plates 34 output pulse currents according to pulse control instructions of the pulse driving circuit. In the present embodiment, the first control circuit board 51 controls the operations of the electrode pad 34 and the vibration motor 35, that is, the neck massager 100 can perform vibration massage and pulse massage at the same time. On the other hand, the vibration motor 35 vibrates in accordance with a vibration control instruction of the motor driving circuit. On the other hand, the electrode sheet 34 is controlled to emit pulse current according to a preset frequency and/or duration, for example, the pulse frequency of the neck massager 100 is divided into a plurality of levels, and pulse current is emitted according to the pulse frequencies of different levels, so as to realize pulse massage of the neck to different degrees. Correspondingly, the pulse duration can also be controlled by sending out a control signal through the first control circuit board 51.

Preferably, a heating component (not shown) is disposed in the second accommodating cavity of the massage head housing 33. The first control circuit board 51 includes a heat generation driving circuit (not shown in the figure). The heating driving circuit is electrically connected with the heating components of the massage heads 30 respectively, and the heating components heat according to the heating control instructions of the heating driving circuit. The first control circuit board 51 controls the operation of the heating element, for example, controls the heating element to heat according to a preset temperature and/or a preset time length, for example, the heating temperature of the neck massager 100 is divided into a plurality of grades, and the heating is performed according to the heating temperatures of different grades, so that massage of the neck at different temperatures is realized. Correspondingly, the heating time can also be controlled by the first control circuit board 51 sending out a control signal. Due to the heating component, the heating function can be realized to heat the neck of the human body, and the proper temperature enables the user wearing the neck massager 100 to obtain a better neck massaging effect. The preset temperature is 25-50 ℃. Preferably 40 ℃,35 ℃, etc.

Preferably, the support body 10 includes a support body inner shell 13 and a support body outer shell 14 which are connected with each other, as shown in fig. 1, the support body inner shell 13 is disposed at the inner side of the neck massager 100, and the inner side surface of the support body inner shell 13 has an arc surface adapted to the neck of the human body, so that the user wearing the neck massager 100 feels comfortable. In this embodiment, a plurality of mounting seats 11 are provided on the inner side surface of the bracket body inner case 13. Alternatively, both the housing inner shell 13 and the housing outer shell 14 are made of a silicone or plastic material.

Preferably, as shown in fig. 1, the clamping arm 20 comprises a first clamping arm 21 and a second clamping arm 22. The first clamping arm 21 includes a first clamping arm inner case 211 and a first clamping arm outer case 212 which are connected to each other, the first clamping arm inner case 211 and the first clamping arm outer case 212 together form a third accommodating chamber, the first clamping arm inner case 211 is disposed at the inner side of the neck massager 100, and the inner side surface of the first clamping arm inner case 211 has an arc surface adapted to the neck of the human body, so that the user wearing the neck massager 100 feels comfortable. Alternatively, both the first clamping arm inner housing 211 and the first clamping arm outer housing 212 are made of silicone or plastic material.

Preferably, the second clamping arm 22 includes a second inner clamping arm shell 221 and a second outer clamping arm shell 222 that are connected to each other, as shown in fig. 1, the second inner clamping arm shell 221 and the second outer clamping arm shell 222 together form a fourth accommodating cavity, the second inner clamping arm shell 221 is disposed on the inner side of the neck massager 100, and the inner side of the second inner clamping arm shell 221 has an arc surface adapted to the neck of the human body, so that the user wearing the neck massager 100 feels comfortable. Alternatively, the second clamping arm inner housing 221 and the second clamping arm outer housing 222 are both made of silicone or plastic material.

Preferably, the first clamping arm 21 is provided with a key unit 70, as shown in fig. 1, a second control circuit board 52 is disposed in the third accommodating cavity of the first clamping arm 21, and the second control circuit board 52 is electrically connected to the key unit 70 and the first control circuit board 51, respectively. Optionally, the second control circuit board 52 is a flexible circuit board, which is easy to assemble, and is lightweight and space-saving. The key unit 70 is used for a user to perform control operation. Preferably, the key unit 70 is a rotary key.

Preferably, the second clamping arm 22 is provided with a display unit 80, as shown in fig. 1, a third control circuit board 53 is disposed in the fourth accommodating cavity of the second clamping arm 22, and the third control circuit board 53 is electrically connected to the display unit 80 and the first control circuit board 51, respectively. Optionally, the third control circuit board 53 is a flexible circuit board, which is easy to assemble, and is lightweight and space-saving. The display unit 80 is used for displaying the current operating state of the neck massager 100.

Preferably, a battery unit 60 is further disposed in the first accommodating cavity of the bracket body 10, as shown in fig. 1, and the battery unit 60 is electrically connected to the first control circuit board 51. The battery unit 60 may be a rechargeable battery or a non-rechargeable battery. Preferably, the battery unit 60 is a rechargeable battery, a charging seat 61 is further disposed in the fourth accommodating cavity of the second clamping arm 22, the charging seat 61 is electrically connected with the battery unit 60, and the charging seat 61 can be externally connected with a power supply to charge the battery unit 60. Of course, the battery unit 60 may be omitted, and the charging stand 61 may be directly connected to a home power source through an electric wire so as to supply power to the neck massager 100.

In summary, the neck massager comprises a bracket body, two clamping arms and a plurality of massaging heads, wherein a plurality of fixing columns are arranged at the bottom of each massaging head, a limiting structure is arranged at the top ends of the fixing columns in a protruding mode, a plurality of mounting seats are arranged on the inner side of the bracket body, a plurality of mounting holes are formed in each mounting seat, the massaging heads are respectively arranged on one mounting seat, the fixing columns of each massaging head respectively penetrate through the mounting holes in the mounting seats, and fixing rubber rings are sleeved on the plurality of fixing columns extending from the mounting holes and fix the massaging heads on the mounting seats through the fixing rubber rings, the fixing columns and the limiting structures. Therefore, the utility model can realize the detachable connection of the massage head and the neck massager, and firstly, the massage head is fixed on the mounting seat through the fixed rubber ring, the fixed column and the limiting structure, and can not be loosened due to the vibration of the neck massager, so that the structure is more stable. Secondly, because fixed rubber ring, fixed column and limit structure adopt silica gel or plastic material more, reduced the weight of product to it is lighter and more exquisite. In addition, because the fixed rubber ring, the fixed column and the limiting structure are made of silica gel or plastic materials, can not rust after being used for a period of time, and can be normally detached at any time, thereby being convenient for disassembly and maintenance.

Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model, as will be apparent to those skilled in the art, without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims (10)

1. A neck massager is characterized by comprising a support body, two clamping arms and a plurality of massage heads, wherein the two clamping arms are respectively connected to two ends of the support body, a plurality of fixing columns are arranged at the bottom of each massage head, limiting structures are convexly arranged at the top ends of the fixing columns, a plurality of mounting seats matched with the massage heads are arranged on the inner side of the support body, a plurality of mounting holes matched with the fixing columns are formed in each mounting seat, the massage heads are respectively mounted on one mounting seat, the fixing columns of each massage head respectively penetrate through the mounting holes in the mounting seats, a fixing rubber ring is correspondingly arranged on each massage head, and the fixing rubber rings are sleeved on the fixing columns extending out of the mounting holes and are fixed on the mounting seats through the fixing rubber rings, the fixing columns and the limiting structures.

2. The neck massager of claim 1, wherein the bottom end of the fixed rubber ring and the mounting seat are abutted against each other, and the top end of the fixed rubber ring and the limit structure of the fixed column are abutted against each other.

3. The neck massager of claim 2, wherein the cross-sectional area of the limit structure is greater than the cross-sectional area of the fixed post, and the plurality of limit structures of each massage head together form a first surface area greater than a second surface area surrounded by the fixed gum.

4. The neck massager of claim 1, wherein the mounting seat is a tongue structure disposed inside the bracket body.

5. The neck massager according to claim 1, wherein the support body is provided with a first accommodating cavity, a first control circuit board is arranged in the first accommodating cavity, and the plurality of massage heads are respectively and electrically connected with the first control circuit board;

Each massage head comprises a massage head shell and an electrode plate, the massage head shell is provided with a second accommodating cavity, the electrode plate is fixed at the top of the massage head shell, and the electrode plate is electrically connected with the first control circuit board.

6. The neck massager of claim 5, wherein the first control circuit board comprises a pulse driving circuit electrically connected with the electrode pads of the massage heads, respectively, the electrode pads outputting pulse current according to pulse control instructions of the pulse driving circuit, and/or

The first control circuit board comprises a motor driving circuit which is respectively and electrically connected with the vibrating motors of the massage heads, the vibrating motors vibrate according to the vibration control instructions of the motor driving circuit, and/or the first control circuit board comprises a motor driving circuit which is electrically connected with the vibrating motors of the massage heads

The first control circuit board comprises a heating driving circuit which is respectively and electrically connected with the heating components of the massage heads, and the heating components are heated according to heating control instructions of the heating driving circuit.

7. The neck massager of claim 5, wherein a battery unit is further disposed in the first housing cavity of the bracket body, the battery unit being electrically connected to the first control circuit board.

8. The neck massager of claim 5, wherein the support body comprises a support body inner shell and a support body outer shell which are connected with each other, the support body inner shell is arranged on the inner side of the neck massager, the inner side surface of the support body inner shell is provided with an arc-shaped surface matched with the neck of a human body, and the inner side surface of the support body inner shell is provided with the plurality of mounting seats.

9. The neck massager of claim 5, wherein the clamp arms comprise a first clamp arm and a second clamp arm;

The first clamping arm comprises a first clamping arm inner shell and a first clamping arm outer shell which are connected with each other, a third accommodating cavity is formed by the first clamping arm inner shell and the first clamping arm outer shell together, the first clamping arm inner shell is arranged on the inner side of the neck massager, and the inner side surface of the first clamping arm inner shell is provided with an arc-shaped surface matched with the neck of a human body;

The second clamping arm comprises a second clamping arm inner shell and a second clamping arm outer shell which are connected with each other, a fourth accommodating cavity is formed by the second clamping arm inner shell and the second clamping arm outer shell together, the second clamping arm inner shell is arranged on the inner side of the neck massager, and the inner side surface of the second clamping arm inner shell is provided with an arc-shaped surface matched with the neck of a human body.

10. The neck massager of claim 9, wherein the first clamping arm is provided with a key unit, the third accommodating cavity of the first clamping arm is provided with a second control circuit board, and the second control circuit board is respectively and electrically connected with the key unit and the first control circuit board, and/or

The second clamping arm is provided with a display unit, a third control circuit board is arranged in the fourth accommodating cavity of the second clamping arm, and the third control circuit board is respectively and electrically connected with the display unit and the first control circuit board.