Combined waterproof decorative lamp and production method thereof

Abstract

This invention discloses a combined waterproof decorative lamp and its manufacturing method, aiming to provide a combined waterproof decorative lamp with good waterproof effect, strong overall connection between the wire and the lamp holder, and high overall processing quality. The key technical point is that a waterproof component is provided between the through cavity and the connecting wire. The waterproof component in this invention includes a first component placed in the lower cavity and attached to the lower cavity, and a second component placed in the upper cavity and attached to the upper cavity. Due to the locking between the lamp cover and the base, the first and second components are compressed, forming a waterproof space around the connecting wire. On the one hand, the waterproof compression of the connecting wire improves the waterproof performance; on the other hand, when the first and second components are compressed by the lamp cover, they form a comprehensive covering effect on the periphery of the connecting wire, reducing the existence of gaps and greatly improving the sealing performance. This invention is applicable to the field of decorative lamp technology.

Description

Technical Field

[0001] This invention relates to the field of decorative lighting technology, and more specifically, to a modular waterproof decorative light and its manufacturing method. Background Technology

[0002] LED decorative lights are currently the most commonly used lighting technology. They have advantages such as small size, long life, high luminous efficiency, low heat generation, no radiation, low energy consumption, and being mercury-free. Therefore, they belong to green, energy-saving, and environmentally friendly lighting products. As a new lighting technology that replaces traditional incandescent lamps, they occupy a huge market share as alternative lighting.

[0003] Currently, existing decorative lights have a complex overall structure, requiring separate welding of wires and light-emitting parts during installation. The welding process also necessitates planning and organizing each component, leading to complex manufacturing processes and high production costs. Although modern decorative lights have adopted a simplified, integrated manufacturing method, the wires are still relatively exposed and not waterproof. Therefore, improving the waterproof performance between the wires and the lamp holder remains a current challenge. Summary of the Invention

[0004] In view of the shortcomings of the existing technology, the purpose of this invention is to provide a combined waterproof decorative lamp with good waterproof effect, strong overall connection between the wire and the lamp holder, and high overall processing quality.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a combined waterproof decorative lamp, comprising a lamp holder, a light source, a lamp cover detachably connected to the lamp holder and covering the light source, and a connecting wire passing through the lamp holder and connected to the light source via a conductor. The connecting wire is electrically connected to a power source. The lamp holder has a through cavity for the connecting wire to pass through. The lamp holder includes a lamp cover and a base body detachably connected to the lamp cover. The through cavity is composed of a lower cavity body disposed on the base body and an upper cavity body disposed on the lamp cover. A waterproof component is disposed between the through cavity and the connecting wire. The waterproof component includes a first component placed in the lower cavity body and fitting against the lower cavity body, and a second component placed in the upper cavity body and fitting against the upper cavity body. The lamp holder is configured such that when the lamp cover is pressed on the base body, the connecting wire, under pressure, allows the conductor to pass through the connecting wire to form a passage. At the same time, due to the locking between the lamp cover and the base body, the first and second components are squeezed, forming a waterproof space around the connecting wire.

[0006] The present invention is further configured such that: the first component and the second component have the same structure, both including an internal skeleton and a rubber covering body that is injection molded over the internal skeleton. The internal skeleton includes several skeleton bases that are U-shaped and fit with the upper and lower cavities, two extension skeletons that extend vertically inward from the unit base, and an arc-shaped skeleton that connects the two extension skeletons in sequence. The arc-shaped skeleton is formed by several independent unit skeletons connected in sequence according to different connection angles. The two ends of the arc-shaped skeleton are connected to the extension skeletons, and a skeleton protrusion with a trapezoidal cross section is provided between two adjacent unit skeletons.

[0007] The present invention is further configured such that: the skeleton base is arranged along the width direction of the through cavity; both the upper cavity and the lower cavity are provided with transverse grooves for installing the skeleton base and connecting grooves connecting the two transverse grooves; two adjacent built-in skeletons are connected by a connector; the skeleton protrusions between two adjacent built-in skeletons are also connected by a connector; the connector below the skeleton base is embedded in the connecting groove; each built-in skeleton is connected and forms an injection-molded structure with the upper cavity and the lower cavity respectively; the first and second components are injection molded to form an injection-molded structure, so that the first and second components and the upper and lower cavities are integrally formed.

[0008] The present invention is further configured such that: the first component and the second component are also provided with a covering structure, the covering structure including a main airbag with an inner side, a secondary airbag communicating with the main airbag, a fitting part disposed on the secondary airbag and close to the connecting wire, and a one-way valve disposed between the main airbag and the secondary airbag. The one-way valve is configured such that when the main airbag is subjected to pressure, the gas in the main airbag inflates the secondary airbag through the one-way valve, and after the secondary airbag is inflated, the fitting part is fitted with the connecting wire.

[0009] A production method for the above-mentioned combined waterproof decorative lamp specifically includes the following steps: S1, preparation stage; preparing the pin, the internal frame and the covering structure, fixing the pin to form the lamp holder by injection molding, and then forming the lamp cover by injection molding, ready for use; S2. Install the built-in frame. In step S1, when forming the lamp holder and lamp cover, horizontal grooves and connecting grooves will be formed on the lamp holder and lamp cover. After connecting each built-in frame through the connector, it will be placed on the horizontal groove and connecting groove and glued. The same operation will be performed on the lamp cover until the installation is completed. S3. Secondary injection molding: The lamp holder and lamp cover obtained in step S2 are placed in the mold for secondary injection molding. The main injection molding part is the injection space formed between the internal frame and the lamp holder and the internal frame and the lamp cover. The injection space is then injected until the injection molding is completed. S4. Install the covering structure, install the covering structure onto the lamp holder and lamp cover respectively, and install the connecting wire onto the lamp holder so that the pin can pierce the connecting wire and form an electrical connection. S5. Install the lamp cover. Press the lamp cover against the lamp holder to allow the gas in the main airbag of the covering structure to enter the secondary airbag, forming a covering for the connecting wires, thus completing the installation.

[0010] By adopting the above technical solution, the following beneficial effects are achieved: 1. In the technical solution of the present invention, the lamp holder is provided with a through cavity for the connecting wire to pass through. The lamp holder includes a lamp cover and a seat body detachably connected to the lamp cover. The through cavity is composed of a lower cavity body disposed on the seat body and an upper cavity body disposed on the lamp cover. The above structure is similar to the structure of a traditional decorative lamp. The main difference is that a waterproof component is provided between the through cavity and the connecting wire. The waterproof component in the present invention includes a first component placed in the lower cavity body and fitting against the lower cavity body, and a second component placed in the upper cavity body and fitting against the upper cavity body. The lamp holder is configured such that after the lamp cover is pressed on the seat body, the connecting wire is forced through the connecting wire under pressure to form a passage. At the same time, due to the locking between the lamp cover and the seat body, the first component and the second component are squeezed, forming a waterproof space around the connecting wire. The arrangement of the first component and the second component, on the one hand, forms a waterproof squeeze on the connecting wire, improving the waterproof performance; on the other hand, when the first component and the second component are squeezed by the lamp cover, they form an all-round covering effect on the surrounding area of ​​the connecting wire, reducing the existence of gaps and greatly improving the sealing performance. 2. In the technical solution of this invention, the first component and the second component are designed with the same structure, both including an internal skeleton and a rubber covering body that is injection molded over the internal skeleton. The internal skeleton includes several skeleton bases that are U-shaped and fit with the upper and lower cavities, two extension skeletons that extend vertically inward from the unit bases, and an arc-shaped skeleton that connects the two extension skeletons in sequence. The arc-shaped skeleton is formed by several independent unit skeletons connected in sequence at different connection angles. The two ends of the arc-shaped skeleton are connected to the extension skeletons. The arc-shaped structure is designed to fit the wires, allowing the connecting wires and the first and second components to form a better fit, thereby improving the covering performance. In this application, the arc-shaped skeleton is connected by multiple independent unit skeletons. This is to reduce the stress on the arc-shaped skeleton and provide stability for injection molding. Furthermore, there is a skeleton protrusion with a trapezoidal cross-section between two adjacent unit skeletons. The structure of the skeleton protrusion is designed to compress the connecting wires, thereby improving the waterproof performance. This can form a compression fit for two-wire and three-wire wire structures, improving the covering effect. 3. To further improve the covering performance of the connecting wire, a covering structure is provided on the first and second components. The covering structure in this application includes a main airbag with an inner side, a secondary airbag communicating with the main airbag, a fitting part on the secondary airbag and close to the connecting wire, and a one-way valve between the main airbag and the secondary airbag. Therefore, when the lamp cover is pressed and installed on the base, it will compress the main airbag of the covering structure. Due to the one-way valve, when the main airbag is under pressure, the gas in the main airbag will inflate the secondary airbag through the one-way valve. After the secondary airbag is inflated, the fitting part will fit with the connecting wire, further improving the sealing effect. At the same time, because the secondary airbag and the frame protrusion fit together, the displacement of the covering structure is reduced after the secondary airbag is inflated, which greatly increases the waterproof effect. 4. In the method and technical solution of this application, a two-stage injection molding process is adopted. First, the base and lamp cover are injection molded. Then, after the frame is installed, the first and second components are formed by a second injection molding. In terms of material selection, relatively flexible materials such as rubber or resin can be used. This reduces damage to the connecting wires and also forms a tight bond to the connecting wires through the elastic structure. This greatly increases the wrapping effect on the periphery of the wires and greatly improves practicality. Attached Figure Description

[0011] Figure 1 This is an exploded view of an embodiment of a combined waterproof decorative lamp and its manufacturing method according to the present invention.

[0012] Figure 2 This is an embodiment of a combined waterproof decorative lamp and its manufacturing method according to the present invention. Figure 1 Enlarged schematic diagram of the structure at point A in the middle.

[0013] Figure 3 This is a side view schematic diagram of the split structure of an embodiment of a combined waterproof decorative lamp and its manufacturing method according to the present invention.

[0014] Figure 4 This is a side view of an embodiment of a combined waterproof decorative lamp and its manufacturing method according to the present invention.

[0015] In the attached diagram, the following are the reference numerals: 1. Lamp holder; 2. Light source; 3. Lampshade; 4. Connecting wire; 5. Through cavity; 10. Lamp cover; 101. Upper cavity; 11. Base; 110. Lower cavity; 111. Horizontal groove; 12. First component; 13. Second component; 120. Internal skeleton; 121. Rubber covering; 122. Skeleton base; 123. Extended skeleton; 124. Arc-shaped skeleton; 125. Unit skeleton; 126. Skeleton protrusion; 127. Connector; 6. Covering structure. Detailed Implementation

[0016] Reference Figures 1 to 4 The present invention provides a further description of an embodiment of a combined waterproof decorative lamp and its manufacturing method.

[0017] For ease of explanation, spatial relative terms such as “up,” “down,” “left,” and “right” are used in the embodiments to describe the relationship of one element or feature shown in the figures relative to another element or feature. It should be understood that, in addition to the orientations shown in the figures, spatial terms are intended to include different orientations of the device in use or operation. For example, if the device in the figures is inverted, an element described as being “down” of other elements or features would be positioned “up” of those other elements or features. Therefore, the exemplary term “down” can encompass both up and down orientations. The device may be positioned in other ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0018] Moreover, relational terms such as “first” and “second” are used merely to distinguish one component from another that has the same name, without necessarily requiring or implying any such actual relationship or order between the components.

[0019] A modular waterproof decorative lamp includes a lamp holder 1, a light source 2, a lamp cover 3 detachably connected to the lamp holder 1 and covering the light source 2, and a connecting wire 4 passing through the lamp holder 1 and connected to the light source 2 via a conductor. The connecting wire 4 is electrically connected to a power source. The lamp holder 1 has a through cavity 5 for the connecting wire 4 to pass through. The lamp holder 1 includes a lamp cover 10 and a base 11 detachably connected to the lamp cover 10. The through cavity 5 is composed of a lower cavity 110 disposed on the base 11 and an upper cavity 101 disposed on the lamp cover 10. A waterproof component is provided between the lamp holder 1 and the connecting wire 4. This waterproof component includes a first component 12 placed inside and fitted to the lower cavity 110, and a second component 13 placed inside and fitted to the upper cavity 101. The lamp holder 1 is configured such that, after the lamp cover 10 is pressed onto the base 11, the connecting wire 4, under pressure, allows the conductor to pass through it, forming a passage. Simultaneously, the locking between the lamp cover 10 and the base 11 compresses the first component 12 and the second component 13, creating a waterproof space around the connecting wire 4. In the technical solution of this invention, the lamp holder 1 is provided with a through cavity 5 for the connecting wire 4 to pass through. The lamp holder 1 includes a lamp cover 10 and a base 11 detachably connected to the lamp cover 10. The through cavity 5 is composed of a lower cavity 110 disposed on the base 11 and an upper cavity 101 disposed on the lamp cover 10. The above structure is similar to the structure of a traditional decorative lamp. The main difference is that a waterproof component is provided between the through cavity 5 and the connecting wire 4. The waterproof component in this invention includes a first component 12 placed inside the lower cavity 110 and fitted to the lower cavity 110, and a second component 13 placed inside the upper cavity 101 and fitted to the upper cavity 101. The base 1 is configured such that after the lamp cover 10 is pressed on the base body 11, the conductor 4 is forced through the connecting wire 4 under pressure to form a passage. At the same time, due to the locking between the lamp cover 10 and the base body 11, the first component 12 and the second component 13 are squeezed, forming a waterproof space around the connecting wire 4. The arrangement of the first component 12 and the second component 13, on the one hand, forms a waterproof squeeze on the connecting wire 4 to improve the waterproof performance, and on the other hand, when the first component 12 and the second component 13 are squeezed by the lamp cover 10, they form an all-round covering effect on the surrounding area of ​​the connecting wire 4, reducing the existence of gaps and greatly improving the sealing performance.

[0020] Furthermore, the first component 12 and the second component 13 have the same structure, both including an internal skeleton 120 and a rubber covering 121 that is injection molded over the internal skeleton 120. The internal skeleton 120 includes several U-shaped skeleton bases 122 that fit with the upper and lower cavities 110, two extension skeletons 123 that extend vertically inward from the unit bases, and an arc-shaped skeleton 124 that connects the two extension skeletons 123 in sequence. The arc-shaped skeleton 124 is formed by several independent unit skeletons 125 connected in sequence at different connection angles. The two ends of the arc-shaped skeleton 124 are connected to the extension skeletons 123, and a skeleton protrusion 126 with a trapezoidal cross-section is provided between two adjacent unit skeletons 125. In the technical solution of the present invention, the first component 12 and the second component 13 are set to have the same structure, so that they both include an internal skeleton 120 and a rubber covering 121 that is injection molded over the internal skeleton 120. The internal skeleton 120 includes several U-shaped skeleton bases 122 that fit with the upper and lower cavities 110, two extension skeletons 123 that extend vertically inward from the unit bases, and an arc-shaped skeleton 124 that connects the two extension skeletons 123 in sequence. The cavity 110 is fitted with a skeleton base 122, two vertically extending skeletons 123 that extend inward from the unit base, and an arc-shaped skeleton 124 that connects the two extending skeletons 123 in sequence. The arc-shaped skeleton 124 is formed by connecting several independent unit skeletons 125 in sequence at different connection angles. The two ends of the arc-shaped skeleton 124 are connected to the extending skeletons 123. The arc-shaped structure is designed to fit the wires, allowing the connecting wires 4 and the first and second components to form a better fit, thereby improving the covering performance. In this application, the arc-shaped skeleton 124 is connected by multiple independent unit skeletons 125. This is to reduce the stress on the arc-shaped skeleton 124 and provide stability for injection molding. Furthermore, there is a skeleton protrusion 126 with a trapezoidal cross section between two adjacent unit skeletons 125. The structure of the skeleton protrusion 126 is designed to compress the connecting wires 4, thereby improving the waterproof performance. This allows for compression and bonding of two-wire and three-wire wire structures, improving the covering effect.

[0021] Furthermore, the skeleton base 122 is arranged along the width direction of the through cavity 5. Both the upper cavity 101 and the lower cavity 110 are provided with transverse grooves 111 for mounting the skeleton base 122 and connecting grooves connecting the two transverse grooves 111. In the above structure, the skeleton base 122 and the transverse grooves 111 can be assembled, and two adjacent internal skeletons 120 are connected by a connector 127. The skeleton protrusions 126 between two adjacent internal skeletons 120 are also connected by the connector 127. The connector below the skeleton base 122... 127 is embedded in the connecting groove, so that each built-in skeleton 120 is connected and forms an injection molding structure with the upper cavity 101 and the lower cavity 110 respectively. The first and second components are injection molded by injection molding, so that the first and second components and the upper and lower cavities 110 are integrally formed. During the injection molding process, if there is a structure of transverse groove 111, it can form an embedded effect between the transverse groove 111 and the skeleton base 122, so that it forms a good integrated effect after injection molding, and the structural strength is greatly improved.

[0022] Furthermore, the first component 12 and the second component 13 are also provided with a covering structure 6. The covering structure 6 includes a main airbag with an inner side, a secondary airbag communicating with the main airbag, a fitting part disposed on the secondary airbag and close to the connecting wire 4, and a one-way valve disposed between the main airbag and the secondary airbag. The one-way valve is configured such that when the main airbag is pressurized, the gas in the main airbag inflates the secondary airbag through the one-way valve. After the secondary airbag is inflated, the fitting part fits against the connecting wire 4. To further enhance the covering performance of the connecting wire 4, the first component 12 and the second component 13 are further provided with a covering structure 6. The covering structure 6 in this application includes an inner side... The system includes a main airbag, a secondary airbag connected to the main airbag, a fitting part located on the secondary airbag and near the connecting wire 4, and a one-way valve located between the main airbag and the secondary airbag. Therefore, when the lamp cover 10 presses and installs the base 11, it will compress the main airbag of the covering structure 6. Because of the one-way valve, when the main airbag is under pressure, the gas in the main airbag will inflate the secondary airbag through the one-way valve. After the secondary airbag is inflated, the fitting part will fit with the connecting wire 4, further improving the sealing effect. At the same time, because the secondary airbag and the frame protrusion 126 fit together, the displacement of the covering structure 6 is reduced after the secondary airbag is inflated, which greatly increases the waterproof effect.

[0023] A production method for the above-mentioned combined waterproof decorative lamp specifically includes the following steps: S1, preparation stage; prepare the insert, the built-in frame 120 and the covering structure 6, and injection mold the lamp holder 1 by fixing the insert, and then injection mold the lamp cover 10 for use. S2. Install the built-in frame 120. In step S1, when forming the lamp holder 1 and the lamp cover 10, a horizontal groove 111 and a connecting groove will be formed on the lamp holder 1 and the lamp cover 10. After connecting each built-in frame 120 through the connector 127, it will be placed on the horizontal groove 111 and the connecting groove and glued. The same operation will be performed on the lamp cover 10 until the installation is completed. S3. Secondary injection molding: The lamp holder 1 and lamp cover 10 obtained in step S2 are placed in the mold for secondary injection molding. The main injection molding part is the injection space formed between the internal frame 120 and the lamp holder 1 and the internal frame 120 and the lamp cover 10. The injection space is then injected until the injection molding is completed. S4. Install the covering structure 6, install the covering structure 6 onto the lamp holder 1 and the lamp cover 10 respectively, and install the connecting wire 4 onto the lamp holder 1 so that the pin can pierce the connecting wire 4 and form an electrical connection. S5. Install the lamp cover 10. Press the lamp cover 10 against the lamp holder 1 to allow the gas in the main airbag of the covering structure 6 to enter the auxiliary airbag, forming a covering for the connecting wire 4, thus completing the installation.

[0024] In the method and technical solution of this application, a two-stage injection molding process is adopted. First, the base 11 and lamp cover 10 are injection molded. Then, after the frame is installed, the first component 12 and the second component 13 are formed by a second injection molding. Therefore, relatively flexible materials, such as rubber or resin, can be used. This reduces damage to the connecting wire 4 while also providing a secure hold to the connecting wire 4 through the formed elastic structure, greatly increasing the coverage of the wire and significantly improving practicality. The above description is only a preferred embodiment of the present invention and is not intended to limit the invention. Ordinary variations and substitutions made by those skilled in the art within the scope of the present invention should be included within the protection scope of the present invention.

Claims

1. A modular waterproof decorative lamp, comprising a lamp holder (1), a light source (2), a lamp cover (3) detachably connected to the lamp holder (1) and covering the light source (2), and a connecting wire (4) passing through the lamp holder (1) and connected to the light source (2) via a conductor, the connecting wire (4) being electrically connected to a power source, characterized in that, The lamp holder (1) is provided with a through cavity (5) for the connecting wire (4) to pass through. The lamp holder (1) includes a lamp cover (10) and a base (11) detachably connected to the lamp cover (10). The through cavity (5) is composed of a lower cavity (110) disposed on the base (11) and an upper cavity (101) disposed on the lamp cover (10). A waterproof component is provided between the through cavity (5) and the connecting wire (4). The waterproof component includes components placed inside the lower cavity (110) and connected to the lower cavity (110). The lamp holder (1) is configured such that after the lamp cover (10) is pressed on the seat (11), the conductor (4) is forced through the connecting wire (4) under pressure to form a passage. At the same time, the locking between the lamp cover (10) and the seat (11) compresses the first component (12) and the second component (13), forming a waterproof space around the connecting wire (4).

2. A combined waterproof decorative lamp according to claim 1, characterized in that, The first component (12) and the second component (13) have the same structure, both including an internal skeleton (120) and a rubber covering (121) that is injection molded over the internal skeleton (120). The internal skeleton (120) includes several skeleton bases (122) that are "U"-shaped and fit with the upper and lower cavities (110), two extension skeletons (123) that extend vertically inward from the unit base, and an arc skeleton (124) that connects the two extension skeletons (123) in sequence. The arc skeleton (124) is formed by several independent unit skeletons (125) connected in sequence at different connection angles. The two ends of the arc skeleton (124) are connected to the extension skeletons (123), and there is also a skeleton protrusion (126) with a trapezoidal cross section between two adjacent unit skeletons (125).

3. A combined waterproof decorative lamp according to claim 2, characterized in that, The skeleton base (122) is arranged along the width direction of the through cavity (5). The upper cavity (101) and the lower cavity (110) are both provided with transverse grooves (111) for installing the skeleton base (122) and connecting grooves connecting the two transverse grooves (111). The two adjacent built-in skeletons (120) are connected by a connector (127). The skeleton protrusions (126) between the two adjacent built-in skeletons (120) are also connected by a connector (127). The connector (127) under the skeleton base (122) is embedded in the connecting groove. Each of the built-in skeletons (120) is connected and forms an injection molding structure with the upper cavity (101) and the lower cavity (110). The first and second components are injection molded by injection molding, so that the first and second components and the upper and lower cavities (110) are integrally formed.

4. A combined waterproof decorative lamp according to claim 1, characterized in that, The first component (12) and the second component (13) are also provided with a covering structure (6). The covering structure (6) includes a main airbag with an inner side, a secondary airbag communicating with the main airbag, a fitting part disposed on the secondary airbag and close to the connecting wire (4), and a one-way valve disposed between the main airbag and the secondary airbag. The one-way valve is configured such that when the main airbag is subjected to pressure, the gas in the main airbag is inflated to the secondary airbag through the one-way valve. After the secondary airbag is inflated, the fitting part is fitted with the connecting wire (4).

5. A method for producing the combined waterproof decorative lamp as described in claims 1-4, characterized in that, Specifically, the steps include the following: S1, preparation stage; prepare the insert, the built-in skeleton (120) and the covering structure (6), and use the fixed insert to injection mold the lamp holder (1), and then use the injection molding method to form the lamp cover (10) for use. S2. Install the built-in frame (120). In step S1, when forming the lamp holder (1) and lamp cover (10), horizontal grooves (111) and connecting grooves are formed on the lamp holder (1) and lamp cover (10). After connecting each built-in frame (120) through the connector (127), it is placed on the horizontal groove (111) and connecting groove and glue is applied. The same operation is performed on the lamp cover (10) until the installation is completed. S3. Secondary injection molding: The lamp holder (1) and lamp cover (10) obtained in step S2 are placed in the mold for secondary injection molding. The main injection molding part is the injection space formed between the inner frame (120) and the lamp holder (1) and the inner frame (120) and the lamp cover (10). The injection space is then injected until the injection molding is completed. S4. Install the covering structure (6). Install the covering structure (6) onto the lamp holder (1) and the lamp cover (10) respectively. Install the connecting wire (4) onto the lamp holder (1) so that the pin can pierce the connecting wire (4) and form an electrical connection. S5. Install the lamp cover (10). Press the lamp cover (10) against the lamp holder (1) so that the gas in the main air bladder of the covering structure (6) enters the auxiliary air bladder to cover the connecting wire (4) and complete the installation.

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