CN216312099U - Connector for connecting light bars - Google Patents

Abstract

The utility model relates to a connector for connecting light bars. The connector includes a columnar main body (20) and an upper PCBA board (21) provided inside the main body (20). The side face of the main body (20) is provided with a plurality of lamp strip connecting windows (201) in different directions and used for receiving end connecting pieces (11) of the lamp strips (1). A plurality of groups of light bar electric connection interfaces (211) with the same number as the light bar connection windows (201) are arranged on the upper PCBA board (21), so that when the end part connecting piece (11) of the light bar (1) is inserted into the light bar connection windows (201), the end part connecting piece (11) of the light bar (1) is mechanically connected with the main body (20) and is electrically connected with the light bar electric connection interfaces (211).

Description

Connector for connecting light bars

Technical Field

The utility model relates to the field of lamps, in particular to a connector for connecting light bars.

Background

The light bar is named due to the shape thereof and is a strip-shaped light-emitting device. In recent years, with the development of LED technology, light bars are widely used in the field of space lighting or decoration. The interior of the light bar generally includes a plurality of LED beads arranged along the length of the light bar. Light emitted by the LED lamp beads irradiates the diffusion sheet, so that the light is uniformly diffused outwards, and the irradiation range of the lamp strip is enlarged.

Since the size of the light bar product is fixed, when a large space needs to be illuminated or decorated, a plurality of light bars need to be used simultaneously. In the prior art, the light bars are generally combined together in an end-to-end splicing manner so as to be expanded in the length direction. The technical scheme that a plurality of light bars are connected through connecting pieces also exists in the prior art. The connector has two forms. The first form of connector is a linear connector that can be connected between two light bars so that the two light bars are in the same line. The second form of connector is an L-shaped connector that can be connected between two light bars so that the two light bars form an L-shape. Through using linear type connecting piece and right angle type connecting piece to connect, can constitute the shape of straight line or L shape with a plurality of lamp strips.

The light bar connection mode in the prior art is mainly applied to the illumination of walls (such as skirting lines) or furniture (such as cabinets), and cannot provide various connection modes, so that the light bars can be combined into a single shape. In addition, the light bar connector in the prior art can only provide power to the light bars to enable the light bars to emit light, and can not independently control each light bar.

Therefore, it is desirable to provide a light bar connector capable of implementing a plurality of connection modes and independently controlling light bars.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a connector for connecting light bars, so as to solve the above technical problems.

The technical scheme of the utility model is as follows:

the utility model provides a connector for connecting lamp strip, including being cylindrical main part and setting up the PCBA board in the main part is inside, be equipped with the lamp strip connection window of a plurality of different orientations on the side of main part, an end connection spare for receiving the lamp strip, be equipped with lamp strip electricity connection interface on going up the PCBA board, when the end connection spare of lamp strip inserts lamp strip connection window, the main part can establish mechanical connection with the end connection spare of lamp strip, and lamp strip electricity connection interface can establish the electricity with the end connection spare of lamp strip and connect.

According to a preferred embodiment of the present invention, the main body has a regular prism shape, and the light bar attachment window is provided at an upper end portion of a side surface of the main body.

According to a preferred embodiment of the present invention, the body has a regular triangular prism shape, a regular quadrangular prism shape, or a regular hexagonal prism shape.

According to a preferred embodiment of the present invention, the upper end portion of the main body includes a plurality of partition walls extending from the side prisms of the main body toward the inside of the main body, so that when the end connector of the light bar is inserted into the light bar connection window, the end connector establishes a mechanical connection with the partition walls at both sides thereof.

According to a preferred embodiment of the present invention, each of the partition walls is provided with a fixing groove, so that when the end connector of the light bar is inserted into the light bar connection window, the light bar snaps at both sides of the end connector are respectively fitted into the fixing grooves of the partition wall to form the mechanical connection.

According to the preferred embodiment of the utility model, each group of light bar electric connection interfaces comprises three bonding pads, and the three bonding pads are respectively used for electric connection, grounding connection and control signal connection.

According to a preferred embodiment of the present invention, the connector further comprises an upper fixing member detachably mounted above the main body.

According to the preferred embodiment of the utility model, the upper fixing piece comprises a lower connecting buckle extending downwards, an upper through hole is arranged on the upper PCBA board, an upper buckling part is arranged below the upper through hole in the main body, and when the upper fixing piece and the main body are connected together, the lower connecting buckle penetrates through the upper through hole and is connected with the upper buckling part in a jogged mode.

According to a preferred embodiment of the present invention, the upper PCBA board is further provided with an upper expansion interface, the upper fixing member further includes a key pad, a key PCBA board, and a lower connection terminal electrically connected to the key PCBA board, and when the upper fixing member is mounted above the main body, the lower connection terminal is electrically connected to the upper expansion interface.

According to a preferred embodiment of the present invention, the upper expansion interface includes three pads, and the lower connection terminal includes three pogo pins.

According to a preferred embodiment of the present invention, the connector further comprises a lower fixing member rotatably and detachably installed under the main body.

According to a preferred embodiment of the present invention, the connector further comprises a lower connecting mechanism, and the lower fixing member comprises a rotary connector extending vertically upward, and the rotary connector is detachably and rotatably connected with the lower connecting mechanism.

According to a preferred embodiment of the present invention, the rotary connector is cylindrical and includes a crown-shaped buckle at an upper end portion thereof, and the lower connecting mechanism includes a lower retaining member, and the crown-shaped buckle is engaged with the lower retaining member when the lower fixing member is connected to the connector.

According to a preferred embodiment of the utility model, the lower retainer comprises a plurality of clamping tongues which are distributed annularly and are spaced from each other.

According to a preferred embodiment of the present invention, the lower fixture includes a screw hole for fixing the lower fixture to a surface of an object on which the connector is disposed by a screw.

The connector can be detachably and simultaneously connected with a plurality of light bars in a mechanical and electrical mode, so that the light bars can be conveniently connected together to form patterns in different shapes. In addition, the connector of the utility model simultaneously provides power connection and control signal connection for each light bar, so that each light bar can be independently controlled to generate different lighting effects.

Drawings

Fig. 1 is a schematic diagram of a connector and a light bar according to an embodiment of the utility model;

FIG. 2 is an exploded schematic view of a connector according to an embodiment of the utility model;

FIG. 3A is a top view of a connector according to an embodiment of the present invention;

FIG. 3B is a longitudinal cross-sectional view of a connector according to an embodiment of the present invention;

fig. 3C is a bottom view of a connector according to an embodiment of the present invention;

FIG. 4 is an exploded schematic view of a connector according to an embodiment of the utility model;

FIG. 5 is a schematic view of a connector and a light bar according to an embodiment of the utility model;

fig. 6 is a schematic diagram of a pattern formed by a connector and a light bar according to an embodiment of the utility model.

Description of reference numerals:

1-a light bar, 11-an end connector, 111-a light bar buckle;

2-connector, 20-main body, 201-light bar connecting window, 202a, 202 b-separating wall, 203-upper fastening piece, 204-lower fastening piece, 21-upper PCBA board, 211-light bar electric connecting interface, 212-upper through hole, 213-upper expansion interface; 22-lower PCBA board, 221-lower expansion interface, 222-lower through hole, 23-lower fixing piece, 231-rotary connector, 24-double faced adhesive tape, 25-lower fixing piece fixing screw, 26-upper fixing piece, 261-lower connecting buckle, 262-key keyboard, 263-lower connecting joint and 27-upper PCBA board fixing screw;

and 3, a master controller.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, exemplary embodiments are described in detail below with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is not intended to limit the utility model, its application, or uses. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not restrictive, unless specifically stated otherwise.

The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships.

Fig. 1 is a schematic view of a light bar and a connector according to an embodiment of the utility model. As shown in fig. 1, both ends of the light bar 1 include end connectors 11. The light bar 1 is connected with the connector 2 through the end connector 11. The connector 2 includes a main body 20 having a columnar shape and an upper PCBA board 21 provided inside the main body. A plurality of light bar connection windows 201 with different orientations are formed on the side surface of the main body 20, and are used for receiving the end connection members 11 of the light bars 1. The upper PCBA board 21 is provided with a light bar electric connection interface 211. The number of the light bar electric connection interfaces 211 is the same as that of the light bar connection windows 201. When the end connector 11 of the light bar 1 is inserted into the light bar connection window 201, the main body 20 can be mechanically connected to the end connector 11 of the light bar 1, and the light bar electrical connection interface 211 can be electrically connected to the end connector 11 of the light bar 1.

In fig. 1, reference numeral 201 merely identifies one light bar connection window for convenience of understanding. However, five other light bar connection windows identical to light bar connection window 201 are clearly shown in fig. 1. Therefore, the connector 2 in the present embodiment can simultaneously connect six light bars. Since the orientation of each light bar connection window is different, the connector 2 can connect the light bars in six different directions.

In the present embodiment, the connector 2 has a regular hexagonal prism shape. The light bar connection window 201 is provided at the upper end of six sides of the regular hexagonal prism shaped body 20. In other embodiments, the shape of the connector may be a regular prism having a number of sides of not less than three, such as a regular triangular prism, a regular quadrangular prism, a regular pentagonal prism, or the like. The upper end of each side of the regular prism-shaped connector can be provided with a light bar connection window. It should be noted that the shape of the connector is not limited to a regular prism shape, and other shapes such as a cylindrical shape or a tapered shape may be adopted. The light bar connecting windows can be arranged at the upper end part of the cylindrical surface or the conical surface at equal intervals.

In the present embodiment, the upper end portion of the prismatic main body 20 includes a plurality of partition walls 202a, 202b extending from the side edges of the main body 20 toward the inside of the main body 20. When the end connector 11 of the light bar 1 is inserted into the light bar connection window 201, the end connector 11 is mechanically connected to the partition walls 202a and 202b on both sides thereof. At this time, the end connector 11 is sandwiched between the partition walls 202a, 202b on both sides, and fixed in the connecting position by the partition walls 202a, 202b on both sides. It is to be noted that, for the sake of understanding, reference numerals 202a and 202b identify only two adjacent partition walls. However, as can be clearly seen in fig. 1, six partition walls are provided in the main body 20. The six divider walls divide the upper portion of the side walls of the main body 20 into six differently oriented light bar attachment windows.

In the present embodiment, the mechanical connection between the end connector 11 of the light bar 1 and the partition walls 202a and 202b of the connector 2 can be realized by a snap structure. Specifically, a fixing groove may be provided on each of the partition walls 202a, 202 b. When the end connector 11 of the light bar 1 is inserted into the light bar connection window 201, the light bar buckles 111 on both sides of the end connector 11 are respectively embedded into the fixing grooves on the partition walls 202a and 202b on both sides, so as to form a mechanical connection. It should be understood that the width of the fixing groove on each of the partition walls 202a, 202b may be set to be greater than or equal to the width of the two light bar hooks 111. In fact, since two adjacent light bar connection windows share one partition wall between them, the light bar buckles 111 on the end connectors 11 of two adjacent light bars may need to be received in the fixing grooves on the partition wall, and thus the width of the fixing grooves needs to be set to be greater than or equal to the width of the two light bar buckles. In addition, the positions of the lamp strip buckles 111 at both sides of the end connector 11 of each lamp strip need to be set to be staggered with each other so as to share the same fixing groove with the adjacent lamp strips when the lamp strip connection window is inserted. In other embodiments, two separate fixing slots may be provided on each partition wall for receiving two light bar fasteners facing the same partition wall on two adjacent end connectors 11.

Fig. 2 is an exploded schematic view of a connector according to an embodiment of the present invention. Fig. 3A, 3B, and 3C are a top view, a sectional view, and a bottom view, respectively, of the connector 2 shown in fig. 1. The connector 2 according to the embodiment of the present invention will be described in detail below with reference to fig. 2 and fig. 3A to 3C.

In the embodiment shown in fig. 2, the connector 2 includes, from top to bottom, an upper fixture 26, an upper PCBA board 21, a main body 20, a lower PCBA board 22, a lower fixture 23, a double-sided tape 24, and a lower fixture fixing screw 25.

As shown in fig. 2 and 3A, the upper PCBA plate 21 has mounting grooves corresponding to the partition walls 202a, 202b of the main body 20, so that each partition wall 202a, 202b is fitted into the corresponding mounting groove when the upper PCBA plate 21 is mounted into the main body 20. This kind of mounting means of going up PCBA board 21 both can strengthen the stability of the mounting structure of going up PCBA board, can increase the usable floor area of going up PCBA board 21 as far as possible again, improves the space utilization in main part 20. To further secure the upper PCBA plate 21, upper PCBA plate fixing screws 27 may be used to secure the upper PCBA plate 21 in the body 20.

In this embodiment, a light bar electrical connection interface 211 is disposed on the upper surface of the upper PCBA board 21 at a position corresponding to the light bar connection window 201. Specifically, the light bar electrical connection interface 211 can be implemented by pads disposed on the upper PCBA board. Each set of light bar electrical connection interfaces 211 may include three pads for electrical power connection, ground connection, and control signal connection, respectively. When the end connector 11 of the light bar 1 is inserted into the light bar connection window 201, the three electrical connection contacts of the end connector 11 are electrically connected with the three pads of the light bar electrical connection interface 211, respectively, so as to receive power and control signals from the connector 2. In the present embodiment, for convenience of understanding, reference numeral 211 only identifies one set of light bar electrical connection interfaces. However, as best seen in fig. 3A, six sets of electrical connection interfaces for the light bars are provided on the upper PCBA board, respectively for establishing electrical connection with the light bars inserted in six different directions.

In this embodiment, the upper PCBA board 21 further includes an upper through hole 212 thereon. In the connector 2, the main body 20 is provided with an upper catching piece 203 below the upper through hole 212. The upper through hole 212 and the upper retainer 203 constitute an upper connecting mechanism of the connector 2 for connecting with the upper fixing member 26. The upper fixture 26 includes a lower coupling catch 261 protruding downward. The lower coupling buckle 261 can be detachably coupled with the upper coupling mechanism so that the upper fixture 26 is detachably mounted above the main body 20. As shown in fig. 3B, when the upper fixing member 26 is connected to the connector 20, the lower connecting latch 261 passes through the upper through hole 212 to be engaged with the upper latching member 203. The number of the lower connecting buckles 261, the upper through holes 212 and the upper catching pieces 203 can be three, so as to form three sets of jogged connection. The upper PCBA board may be further secured within the body 20 by the connection of the upper fixture 26 to the body 20. In addition, the upper fixing member 26 may close the upper portion of the main body 20, improving the appearance of the connector 2. In fig. 2, the upper surface of the upper fixture 26 is a flat decorative surface. In the illustrated embodiment of fig. 4, the upper fixture 26 may also include a key pad 262, a key PCBA board, and lower connection tabs 263 electrically connected to the key PCBA board. To accommodate the upper fixture 26 shown in FIG. 4, the upper PCBA board 21 may also be provided with an upper expansion interface 213. When the upper fixing member 26 shown in fig. 4 is mounted above the main body 20, the lower connection terminals 263 establish electrical connection with the upper expansion interface 213. The lower connection terminal 263 may specifically include three pogo pins (pogopins), and the upper expansion interface 213 may include three pads corresponding to the three pogo pins. The three pogo pins are respectively brought into contact with three pads on the upper PCBA board 21 so as to establish power connections, ground connections and control signal connections. The user can thus control the light bar via the keypad on the upper mount 26. Three sets of upper expansion interfaces (nine pads in total) are provided on the upper PCBA board 21 shown in fig. 2, the three sets of upper expansion interfaces being spaced from each other by an angle of 120 degrees so that the upper fixture 26 can establish electrical connections with the upper PCBA board 21 in three different positions of rotation relative to the main body 20. In the embodiment of fig. 4, the upper mount 26 provides keypad control functions. In other embodiments, various sensors (e.g., sound sensor and/or light sensor) may be disposed in the upper fixing member 26 for sensing external sound and/or light conditions, so as to control the light of the light bar according to the external sound and/or light conditions.

In the embodiment shown in fig. 2, the connector 2 may also include a lower PCBA board 22. The lower side of the upper PCBA board 21 can be provided with a connecting plug, and the upper side of the lower PCBA board 22 can be provided with a connecting socket. When the upper PCBA board 21 and the lower PCBA board 22 are mounted in the main body 20, the connection plug of the upper PCBA board 21 is inserted into the connection socket of the lower PCBA board 22, so that the circuits of the upper PCBA board 21 and the lower PCBA board 22 communicate with each other. The provision of the lower PCBA board 22 in the connector 2 increases the area of the circuit board in the connector 2, so that more electrical components can be provided in the connector, thereby achieving more functions. In addition, as shown in fig. 3C, a lower extension interface 221 may be provided on a lower surface of the lower PCBA board 22 for enabling the connector 2 to be electrically connected to another device (e.g., another connector) at a lower side, thereby enabling extension of the connector 2.

In the embodiment shown in fig. 2, the lower fixture 23 is rotatably and detachably installed below the main body 20. In order to achieve the connection of the lower fixture 23 with the main body 20, the connector 2 further includes a lower connection mechanism, and the lower fixture 23 includes a rotary connector 231 extending vertically upward. The rotary connector 231 is detachably and rotatably connected to the lower connection structure. The rotary connector 231 may have a cylindrical shape and may be disposed, for example, at the center of the lower fixture 23. The upper end of the rotary connector 231 comprises a crown shaped catch. The lower connecting mechanism includes a lower retaining member 204, and when the lower fixing member 23 is connected to the connector 2, the crown-shaped buckle is engaged with the lower retaining member 204. The lower retainer 204 may specifically include a plurality of annularly distributed and spaced-apart tabs for securing the crown snap in the engaged position while allowing the lower fixture 23 to rotate relative to the body 20. In this embodiment, the lower PCBA 22 has a lower through hole 222 centrally disposed therein. The rotary connector 231 of the lower fixing member 23 passes through the lower through hole 222 and then is engaged with the lower retainer 204 in the main body 20. Fig. 3B specifically shows a cross-sectional view of the rotary connector 231 and the lower catch 204 in a connected state. In the present embodiment, the lower fixture 23 may further include a screw hole for fixing the lower fixture 23 to a surface (e.g., a wall surface) of an object on which the connector 2 is arranged by the lower fixture fixing screw 25. Alternatively or additionally, the lower fixture 23 may further include a double-sided tape 24 for fixing the lower fixture 23 to a surface (e.g., a wall surface) of an object on which the connector 2 is disposed. When installing the connector on, for example, a wall surface, the lower fixing member 23 may be fixed to the wall surface (for example, by the lower fixing member fixing screw 25 and/or the double-sided tape 24), and then the lower fixing member 23 may be connected to the main body 20 of the connector 2. The user can rotate the position of the main body 20 of the connector 2 as desired to achieve the desired light bar connection effect.

Fig. 5 is a schematic diagram of the connection between the connector and the light bar according to the embodiment of the utility model. In fig. 5, two ends of the light bar 1 are connected to two connectors 2, respectively. The left connector 2 has an upper fixture including a keypad for controlling the light bar.

Fig. 6 is a schematic diagram of a pattern formed by a connector and a light bar according to an embodiment of the utility model. In fig. 6, six connectors and six light bars are combined to form a regular hexagonal pattern. One connector is provided with a key keyboard, and a user can control each light bar by operating the key keyboard. The connector is also connected to the overall controller 3. The general controller 3 is connected with the power supply and is configured to supply power to the connector and send a control signal for controlling the lighting effect of the light bar. A processor and a computer readable storage medium may be included within the overall controller 3. The computer-readable storage medium has stored thereon a computer program which, when executed by a processor, generates a control signal for controlling the lighting effect of the light bar. The general controller 3 may also include a bluetooth and/or Wi-Fi communication module for communicating with the internet or the user's smartphone. The user can set a corresponding smart home scene and a dynamic lighting effect through an application program (APP) on the smart phone, and transmits a user instruction to the main controller 3. And the master controller 3 carries out instruction processing after receiving a user instruction and transmits a plurality of groups of control signals to each light bar, thereby realizing the lighting effect set by a user.

Thus, various embodiments of the present invention have been described in detail. Some details well known in the art have not been described in order to avoid obscuring the concepts of the present invention. From the above description, it will be fully apparent to those skilled in the art how the technical solutions of the present invention can be implemented.

Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for the purpose of illustration and is not intended to limit the scope of the utility model. It will be understood by those skilled in the art that various changes may be made in the above embodiments or equivalents may be substituted for elements thereof without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims (15)

1. The utility model provides a connector for connecting lamp strip, including being cylindrical main part (20) and setting up at inside last PCBA board (21) of main part (20), be equipped with lamp strip connection window (201) of a plurality of different orientations on the side of main part (20), an end connection spare (11) for receiving lamp strip (1), be equipped with lamp strip electricity connection interface (211) on going up PCBA board (21), when end connection spare (11) of lamp strip (1) insert lamp strip connection window (201), main part (20) can establish mechanical connection with end connection spare (11) of lamp strip (1), and lamp strip electricity connection interface (211) can establish the electricity by end connection spare (11) of lamp strip (1) and connect.

2. The connector of claim 1, wherein the main body (20) has a regular prism shape, and the light bar connection window (201) is provided at an upper end portion of a side surface of the main body (20).

3. Connector according to claim 1, characterized in that the body (20) has a regular triangular prism shape, a regular quadrangular prism shape or a regular hexagonal prism shape.

4. The connector of claim 2, wherein the upper end portion of the main body (20) includes a plurality of partition walls (202a, 202b) extending from the side prism of the main body (20) toward the inside of the main body (20) so that when the end connector (11) of the light bar (1) is inserted into the light bar connection window (201), the end connector (11) establishes mechanical connection with the partition walls (202a, 202b) at both sides thereof.

5. The connector of claim 4, wherein each of the partition walls (202a, 202b) is provided with a fixing groove, so that when the end connector (11) of the light bar (1) is inserted into the light bar connecting window (201), the light bar buckles (111) at both sides of the end connector (11) are respectively fitted into the fixing grooves of the partition walls (202a, 202b) to form the mechanical connection.

6. The connector of claim 1, wherein each set of light bar electrical connection interfaces (211) comprises three pads for power, ground and control signal connections, respectively.

7. Connector according to claim 1, characterized in that the connector (2) further comprises an upper fixing member (26), the upper fixing member (26) being detachably mounted above the main body (20).

8. The connector of claim 7, wherein the upper fixing member (26) includes a lower connecting catch (261) extending downward, an upper through hole (212) is provided in the upper PCBA board (21), an upper catch member (203) is provided below the upper through hole (212) in the main body (20), and the lower connecting catch (261) passes through the upper through hole (212) to be engaged with the upper catch member (203) when the upper fixing member (26) and the main body (20) are coupled together.

9. A connector according to claim 7, wherein the upper PCBA board (21) is further provided with an upper expansion interface (213), and the upper fixing member (26) further comprises a key pad (262), a key PCBA board and a lower connection tab (263) electrically connected to the key PCBA board, the lower connection tab (263) being electrically connected to the upper expansion interface (213) when the upper fixing member (26) is mounted over the main body (20).

10. The connector of claim 9, wherein the upper expansion interface (213) includes three pads and the lower connection header (263) includes three pogo pins.

11. Connector according to claim 1, characterized in that the connector (2) further comprises a lower fixing member (23), the lower fixing member (23) being rotatably and detachably mounted below the main body (20).

12. Connector according to claim 11, wherein the connector (2) further comprises a lower connection mechanism, and the lower fixture (23) comprises a rotary connector (231) extending vertically upwards, the rotary connector (231) being detachably and rotatably connected with the lower connection mechanism.

13. Connector according to claim 12, characterized in that the rotary connector head (231) is cylindrical and comprises a crown-shaped catch at the upper end, and the lower connecting means comprises a lower catch (204), the crown-shaped catch engaging with the lower catch (204) when the lower fixing member (23) is connected to the connector (2).

14. The connector of claim 13, wherein the lower retainer (204) includes a plurality of circumferentially spaced latches.

15. The connector according to claim 11, wherein the lower fixing piece (23) includes a screw hole for fixing the lower fixing piece (23) to a surface of an object on which the connector (2) is arranged by a screw.

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