Connector

Abstract

The invention discloses a connector. The connector comprises: a housing in which a plurality of first terminal grooves distributed at intervals in the transverse direction are formed; the plurality of first terminals are respectively inserted into the plurality of first terminal grooves; and the top cover is arranged on the top of the shell. And the top cover is rotatably connected with the plurality of first terminals, so that the top cover can be rotatably opened and closed. Therefore, the first terminal can effectively prevent the top cover from falling off from the shell due to vibration. Besides, in some exemplary embodiments of the invention, the top cover can apply a predetermined pressing force on the inserted circuit board, so that the circuit board is in reliable electric contact with the second terminal in the connector, and thus, poor contact between the second terminal and the circuit board in a vibration environment can be avoided.

Description

Technical Field

[0001] The invention relates to a connector. Background Art

[0002] The connector generally includes a housing, a terminal and a top cover. The terminal is installed in the housing. The top cover is installed on the top of the housing. In the prior art, the terminal has no constraints or restrictions on the top cover. In addition, the top cover is separated from the terminal, and the top cover cannot exert a pressing force on the inserted circuit board, so that the terminal can only rely on its own elastic force to make electrical contact with the inserted circuit board. Therefore, in the prior art, when the connector is used in a vibrating environment, the top cover is easy to fall off, and poor contact is also easy to occur between the terminal and the circuit board. Summary of the invention

[0003] The purpose of the present invention is to solve at least one aspect of the above-mentioned problems and defects in the prior art.

[0004] According to one aspect of the present invention, a connector is provided. The connector comprises: a housing having a plurality of first terminal slots spaced apart in a lateral direction thereof; a plurality of first terminals respectively inserted into the plurality of first terminal slots; and a top cover mounted on the top of the housing. The top cover is rotatably connected to the plurality of first terminals so that the top cover can be rotatably opened and closed.

[0005] According to an exemplary embodiment of the present invention, a plurality of second terminal grooves spaced apart along the lateral direction are formed in the housing; the connector further comprises a plurality of second terminals, which are respectively inserted into the plurality of second terminal grooves.

[0006] According to another exemplary embodiment of the present invention, a circuit board slot extending in the transverse and longitudinal directions thereof for inserting a circuit board is also formed on the housing, and the circuit board slot is connected to the plurality of first terminal slots and the plurality of second terminal slots.

[0007] According to another exemplary embodiment of the present invention, the connector further includes: a circuit board inserted into the circuit board slot and electrically contacting the plurality of first terminals and the plurality of second terminals.

[0008] According to another exemplary embodiment of the present invention, the circuit board is a flexible printed circuit board.

[0009] According to another exemplary embodiment of the present invention, a plurality of openings connected to the circuit board slot are formed on the top wall of the shell, and a plurality of protrusions corresponding to the plurality of openings are formed on the top cover; when the top cover is closed, the protrusions are inserted into the openings and are suitable for applying a predetermined pressing force on the circuit board so that the circuit board is in reliable electrical contact with the second terminal.

[0010] According to another exemplary embodiment of the present invention, the plurality of first terminal grooves and the plurality of second terminal grooves are arranged in a row along a transverse direction of the housing; the first terminal grooves and the second terminal grooves extend along a longitudinal direction and a height direction of the housing.

[0011] According to another exemplary embodiment of the present invention, at least one second terminal groove is provided between any two adjacent first terminal grooves, so that at least one second terminal is provided between any two adjacent first terminals.

[0012] According to another exemplary embodiment of the present invention, the first terminal includes a connecting portion, which is exposed from the top wall of the housing and is rotatably connected to one side of the top cover.

[0013] According to another exemplary embodiment of the present invention, a C-shaped slot is formed on the connecting portion, and a slot and a pivot portion connected between a pair of inner side walls of the slot are formed on one side of the top cover; the connecting portion is inserted into the slot on the top cover, and the pivot portion is rotatably engaged in the C-shaped slot, so that the top cover can rotate around the central axis of the pivot portion.

[0014] According to another exemplary embodiment of the present invention, the first terminal also includes: a first fixing portion, fixed in the first terminal groove; and a cantilever portion, connected to the first fixing portion and suspended in the first terminal groove, a contact protrusion is formed at the end of the cantilever portion, and the contact protrusion is used to electrically contact the circuit board.

[0015] According to another exemplary embodiment of the present invention, the first fixing portion includes: an upper supporting arm; a lower supporting arm; and a connecting arm connected between rear ends of the upper supporting arm and the lower supporting arm. The connecting portion is connected to a front end of the upper supporting arm.

[0016] According to another exemplary embodiment of the present invention, the second terminal includes: a second fixing portion, fixed in the second terminal groove; and a first cantilever portion, connected to the second fixing portion and suspended in the second terminal groove, a protruding first electrical contact is formed on the first cantilever portion, and the first electrical contact is used to electrically contact with an inserted circuit board.

[0017] According to another exemplary embodiment of the present invention, the second terminal also includes: a second cantilever portion, connected to the second fixing portion and suspended in the second terminal groove, a protruding second electrical contact is formed on the second cantilever portion, and the second electrical contact is used to electrically contact with the inserted circuit board.

[0018] According to another exemplary embodiment of the present invention, the first electrical contact and the second electrical contact are spaced apart in a longitudinal direction of the housing, and the first cantilever portion is located below the second cantilever portion.

[0019] According to another exemplary embodiment of the present invention, the top cover includes: a cover plate; and an elastic buckle formed on the cover plate, and a slot for engaging with the elastic buckle is formed on the shell to lock the top cover in a closed position.

[0020] According to another exemplary embodiment of the present invention, the cover plate has a first side and a second side opposite to each other in its width direction, the first side of the cover plate is rotatably connected to the plurality of first terminals, and the elastic buckle is protrudingly formed on the second side of the cover plate.

[0021] According to another exemplary embodiment of the present invention, the elastic clip includes a first elastic clip, which is located in the middle position in the length direction of the cover plate; the card slot includes a first card slot, which is located in the middle position in the transverse direction of the shell and is used to engage with the first elastic clip.

[0022] According to another exemplary embodiment of the present invention, the elastic clip also includes a pair of second elastic clips, and the pair of second elastic clips are respectively located at the two ends of the length direction of the cover plate; the card slot also includes a pair of second card slots, and the pair of second card slots are respectively located at the two ends of the shell in the transverse direction, for respectively engaging with the pair of second elastic clips.

[0023] According to another exemplary embodiment of the present invention, the first terminal is a ground terminal, and the second terminal is a signal terminal.

[0024] In the aforementioned various exemplary embodiments according to the present invention, the top cover is rotatably connected to the first terminal, and therefore, it is possible to effectively prevent the top cover from falling off from the housing due to vibration.

[0025] Furthermore, in some of the aforementioned exemplary embodiments of the present invention, the top cover can exert a predetermined pressing force on the inserted circuit board so that the circuit board and the second terminal can have reliable electrical contact, thereby ensuring that the second terminal and the circuit board will not have poor contact even in a vibration environment.

[0026] Other objects and advantages of the present invention will become apparent from the following description of the present invention with reference to the accompanying drawings, which will help to provide a comprehensive understanding of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A perspective schematic diagram showing a connector according to an exemplary embodiment of the present invention, wherein the top cover is in an open position;

[0028] Figure 2 A perspective schematic diagram showing a connector according to an exemplary embodiment of the present invention, wherein the top cover is in a closed position;

[0029] Figure 3 A perspective schematic diagram showing a connector according to an exemplary embodiment of the present invention as viewed from the front side, wherein the top cover is in a closed position;

[0030] Figure 4 An exploded schematic diagram showing a connector according to an exemplary embodiment of the present invention, wherein the top cover is separated from the housing;

[0031] Figure 5 An exploded schematic diagram showing a connector according to an exemplary embodiment of the present invention, wherein the top cover and the terminals are separated from the housing;

[0032] Figure 6 A perspective schematic diagram showing a first terminal of a connector according to an exemplary embodiment of the present invention;

[0033] Figure 7 A perspective schematic diagram showing a second terminal of a connector according to an exemplary embodiment of the present invention;

[0034] Figure 8 A longitudinal cross-sectional view showing a connector at a first terminal according to an exemplary embodiment of the present invention, wherein the top cover is in an open position;

[0035] Fig. 9 A longitudinal cross-sectional view showing a connector at a first terminal according to an exemplary embodiment of the present invention, wherein the top cover is in a closed position;

[0036] Fig.10 A longitudinal cross-sectional view showing a connector at a second terminal according to an exemplary embodiment of the present invention, wherein the top cover is in an open position;

[0037] Fig.11 A longitudinal cross-sectional view of a connector at a second terminal according to an exemplary embodiment of the present invention is shown, wherein the top cover is in a closed position. DETAILED DESCRIPTION

[0038] The technical solution of the present invention is further specifically described below by examples and in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals indicate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the overall inventive concept of the present invention and should not be construed as a limitation of the present invention.

[0039] In addition, in the detailed description below, for ease of explanation, many specific details are set forth to provide a comprehensive understanding of the disclosed embodiments. However, it is apparent that one or more embodiments may be implemented without these specific details. In other cases, known structures and devices are embodied in a schematic manner to simplify the accompanying drawings.

[0040] According to an overall technical concept of the present invention, a connector is provided. The connector comprises: a housing, formed with a plurality of first terminal grooves spaced apart in the lateral direction thereof; a plurality of first terminals, respectively inserted into the plurality of first terminal grooves; and a top cover, mounted on the top of the housing. The top cover is rotatably connected to the plurality of first terminals, so that the top cover can be rotatably opened and closed.

[0041] Figure 1 A perspective schematic diagram showing a connector according to an exemplary embodiment of the present invention, wherein the top cover 4 is in an open position; Figure 2 A perspective schematic diagram showing a connector according to an exemplary embodiment of the present invention, wherein the top cover 4 is in a closed position; Figure 3 A perspective schematic diagram showing a connector according to an exemplary embodiment of the present invention when viewed from the front side, wherein the top cover 4 is in a closed position; Figure 4 An exploded schematic diagram showing a connector according to an exemplary embodiment of the present invention, wherein the top cover 4 is separated from the housing 3; Figure 5 An exploded schematic diagram of a connector according to an exemplary embodiment of the present invention is shown, in which the top cover 4 and the terminals 1 and 2 are separated from the housing 3 .

[0042] like Figures 1 to 5 As shown, in an exemplary embodiment of the present invention, a connector is disclosed. The connector mainly includes: a housing 3, a plurality of first terminals 1 and a top cover 4. A plurality of first terminal grooves 31 are formed in the housing 3 and are spaced apart in the transverse direction X thereof. The plurality of first terminals 1 are respectively inserted into the plurality of first terminal grooves 31. The top cover 4 is installed on the top of the housing 3. The top cover 4 is rotatably connected to the plurality of first terminals 1 so that the top cover 4 can be rotatably opened and closed.

[0043] Figure 6 A perspective schematic diagram showing a first terminal 1 of a connector according to an exemplary embodiment of the present invention; Figure 7 A perspective schematic diagram showing a second terminal 2 of a connector according to an exemplary embodiment of the present invention; Figure 8 A longitudinal cross-sectional view showing a connector according to an exemplary embodiment of the present invention at a first terminal 1, wherein the top cover 4 is in an open position; Fig. 9 A longitudinal cross-sectional view showing a connector according to an exemplary embodiment of the present invention at a first terminal 1 , wherein the top cover 4 is in a closed position; Fig.10 A longitudinal cross-sectional view showing a connector according to an exemplary embodiment of the present invention at a second terminal 2, wherein the top cover 4 is in an open position; Fig.11 A longitudinal cross-sectional view of a connector according to an exemplary embodiment of the present invention at the second terminal 2 is shown, wherein the top cover 4 is in a closed position.

[0044] like Figures 1 to 11 As shown, in the illustrated embodiment, a plurality of second terminal slots 32 are formed in the housing 3 and are spaced apart in the transverse direction X. The connector further comprises a plurality of second terminals 2, which are inserted into the plurality of second terminal slots 32 respectively.

[0045] like Figures 1 to 11 As shown, in the illustrated embodiment, a circuit board slot 303 extending along the transverse direction X and the longitudinal direction Y for inserting the circuit board 5 is also formed on the housing 1, and the circuit board slot 303 is connected to the plurality of first terminal slots 31 and the plurality of second terminal slots 32.

[0046] like Figures 1 to 11 As shown, in the illustrated embodiment, the connector further comprises a circuit board 5, which is inserted into the circuit board slot 303 and electrically contacts the plurality of first terminals 1 and the plurality of second terminals 2. In an exemplary embodiment of the present invention, the circuit board 5 may be a flexible printed circuit board (FPC).

[0047] like Figures 1 to 11 As shown, in the illustrated embodiment, a plurality of openings 33 communicating with the circuit board slots 303 are formed on the top wall of the housing 3, and a plurality of protrusions 43 corresponding to the plurality of openings 33 are formed on the top cover 4. When the top cover 4 is closed, the protrusions 43 are inserted into the openings 33 and are adapted to exert a predetermined pressing force on the circuit board 5, so that the circuit board 5 and the second terminal 2 are reliably electrically contacted.

[0048] like Figures 1 to 11 As shown, in the illustrated embodiment, a plurality of first terminal grooves 31 and a plurality of second terminal grooves 32 are arranged in a row along the transverse direction X of the housing 3 . The first terminal grooves 31 and the second terminal grooves 32 extend along the longitudinal direction Y and the height direction Z of the housing 3 .

[0049] like Figures 1 to 11 As shown, in the illustrated embodiment, there is at least one second terminal groove 32 between any two adjacent first terminal grooves 31 , so that there is at least one second terminal 2 between any two adjacent first terminals 1 .

[0050] like Figures 1 to 11 As shown, in the illustrated embodiment, the first terminal 1 includes a connecting portion 15 , which is exposed from the top wall of the housing 3 and is rotatably connected to one side of the top cover 4 .

[0051] like Figures 1 to 11 As shown, in the illustrated embodiment, a C-shaped slot 15c is formed on the connecting portion 15. A slot 44 and a pivot portion 45 connected between a pair of inner side walls of the slot 44 are formed on one side of the top cover 4. The connecting portion 15 is inserted into the slot 44 on the top cover 4, and the pivot portion 45 is rotatably engaged in the C-shaped slot 15c, so that the top cover 4 can rotate around the central axis of the pivot portion 45.

[0052] like Figures 1 to 11 As shown, in the illustrated embodiment, the first terminal 1 further includes a first fixing portion 10 and a cantilever portion 14. The first fixing portion 10 is fixed in the first terminal groove 31, for example, by interference fit. The cantilever portion 14 is connected to the first fixing portion 10 and suspended in the first terminal groove 31. A contact protrusion 14a is formed at the end of the cantilever portion 14, and the contact protrusion 14a is used to electrically contact the circuit board 5.

[0053] like Figures 1 to 11 As shown, in the illustrated embodiment, the first fixing portion 10 includes: an upper support arm 11, a lower support arm 12 and a connecting arm 13. The connecting arm 13 is connected between the rear ends of the upper support arm 11 and the lower support arm 12. The connecting portion 15 is connected to the front end of the upper support arm 11.

[0054] like Figures 1 to 11 As shown, in the illustrated embodiment, the second terminal 2 includes: a second fixing portion 20 and a first cantilever portion 21. The second fixing portion 20 is fixed in the second terminal groove 32, for example, by interference fit. The first cantilever portion 21 is connected to the second fixing portion 20 and suspended in the second terminal groove 32. A protruding first electrical contact 21a is formed on the first cantilever portion 21, and the first electrical contact 21a is used to electrically contact the inserted circuit board 5.

[0055] like Figures 1 to 11 As shown, in the illustrated embodiment, the second terminal 2 further includes a second cantilever portion 22, which is connected to the second fixing portion 20 and suspended in the second terminal groove 32. A protruding second electrical contact 22a is formed on the second cantilever portion 22, and the second electrical contact 22a is used to electrically contact the inserted circuit board 5.

[0056] like Figures 1 to 11 As shown, in the illustrated embodiment, the first electrical contact 21 a and the second electrical contact 22 a are spaced apart in the longitudinal direction Y of the housing 3 , and the first cantilever portion 21 is located below the second cantilever portion 22 .

[0057] like Figures 1 to 11As shown, in the illustrated embodiment, the top cover 4 includes: a cover plate 40 and elastic buckles 41, 42. The elastic buckles 41, 42 are formed on the cover plate 40. The housing 3 is formed with slots 31, 32 for engaging with the elastic buckles 41, 42 to lock the top cover 4 in the closed position.

[0058] like Figures 1 to 11 As shown, in the illustrated embodiment, the cover plate 40 has a first side and a second side opposite to each other in its width direction, the first side of the cover plate 40 is rotatably connected to a plurality of first terminals 1 , and elastic buckles 41 , 42 are protrudingly formed on the second side of the cover plate 40 .

[0059] like Figures 1 to 11 As shown, in the illustrated embodiment, the elastic buckles 41, 42 include a first elastic buckle 41, which is located in the middle of the length direction of the cover plate 40. The slots 301, 302 include a first slot 301, which is located in the middle of the horizontal direction X of the housing 3, and is used to engage with the first elastic buckle 41.

[0060] like Figures 1 to 11 As shown, in the illustrated embodiment, the elastic buckles 41, 42 further include a pair of second elastic buckles 42, and the pair of second elastic buckles 42 are respectively located at both ends of the length direction of the cover plate 40. The card slots 301, 302 further include a pair of second card slots 302, and the pair of second card slots 302 are respectively located at both ends of the horizontal direction X of the housing 3, and are used to engage with the pair of second elastic buckles 42 respectively.

[0061] like Figures 1 to 11 As shown, in the embodiment shown in the figure, the first terminal 31 is a ground terminal, and the second terminal 32 is a signal terminal. In this way, the top cover is rotatably connected to the ground terminal, so that the top cover will not fall off from the housing due to vibration. In addition, the top cover can also apply a predetermined pressing force between the circuit board and the signal terminal, so that the circuit board and the signal terminal are reliably electrically contacted.

[0062] Those skilled in the art will appreciate that the embodiments described above are exemplary and may be improved upon by those skilled in the art. The structures described in the various embodiments may be freely combined without causing any conflicts in structure or principle, and these changes should fall within the scope of protection of the present invention.

[0063] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the accompanying drawings are intended to exemplify the preferred implementations of the present invention and should not be construed as limiting the present invention.

[0064] Although some embodiments of the general inventive concept have been shown and described, it will be appreciated by those skilled in the art that changes may be made to these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.

[0065] It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. In addition, any element reference signs in the claims shall not be construed as limiting the scope of the present invention.

Claims

1. A connector, It is characterized in that include: The housing (3) is formed with a plurality of first terminal grooves (31) spaced apart in a transverse direction (X) thereof; A plurality of first terminals (1) are respectively inserted into the plurality of first terminal slots (31); A top cover (4) is mounted on the top of the housing (3). The top cover (4) is rotatably connected to the plurality of first terminals (1), so that the top cover (4) can be rotatably opened and closed.

2. The connector according to claim 1, Features: A plurality of second terminal grooves (32) are also formed in the housing (3) and are spaced apart in the transverse direction (X) thereof; The connector further comprises a plurality of second terminals (2), wherein the plurality of second terminals (2) are respectively inserted into the plurality of second terminal slots (32).

3. The connector according to claim 2, Features: The housing (1) is also provided with a circuit board slot (303) extending in the transverse direction (X) and the longitudinal direction (Y) thereof and used for inserting a circuit board (5), and the circuit board slot (303) is connected to the plurality of first terminal slots (31) and the plurality of second terminal slots (32).

4. The connector according to claim 3, It is characterized in that Also includes: A circuit board (5) is inserted into the circuit board slot (303) and is in electrical contact with the plurality of first terminals (1) and the plurality of second terminals (2).

5. The connector according to claim 4, Features: The circuit board (5) is a flexible printed circuit board.

6. The connector according to claim 3, Features: A plurality of openings (33) communicating with the circuit board slot (303) are formed on the top wall of the housing (3), and a plurality of protrusions (43) respectively corresponding to the plurality of openings (33) are formed on the top cover (4); When the top cover (4) is closed, the protrusion (43) is inserted into the opening (33) and is suitable for applying a predetermined pressing force on the circuit board (5) so that the circuit board (5) and the second terminal (2) are in reliable electrical contact.

7. The connector according to claim 2, Features: The plurality of first terminal grooves (31) and the plurality of second terminal grooves (32) are arranged in a row along a transverse direction (X) of the housing (3); The first terminal groove (31) and the second terminal groove (32) extend along the longitudinal direction (Y) and the height direction (Z) of the housing (3).

8. The connector according to claim 7, Features: At least one second terminal groove (32) is provided between any two adjacent first terminal grooves (31), so that at least one second terminal (2) is provided between any two adjacent first terminals (1).

9. The connector according to claim 3, Features: The first terminal (1) comprises a connecting portion (15), wherein the connecting portion (15) is exposed from the top wall of the housing (3) and is rotatably connected to one side of the top cover (4).

10. The connector according to claim 9, Features: A C-shaped slot (15c) is formed on the connecting portion (15), and a slot (44) and a pivot portion (45) connected between a pair of inner side walls of the slot (44) are formed on one side of the top cover (4); The connecting portion (15) is inserted into the slot (44) on the top cover (4), and the pivot portion (45) is rotatably engaged in the C-shaped slot (15c), so that the top cover (4) can rotate around the central axis of the pivot portion (45).

11. The connector according to claim 9, Features: The first terminal (1) further comprises: A first fixing portion (10) fixed in the first terminal groove (31); and a cantilever portion (14) connected to the first fixing portion (10) and suspended in the first terminal groove (31), A contact protrusion (14a) is formed on the end of the cantilever portion (14), and the contact protrusion (14a) is used to electrically contact the circuit board (5).

12. The connector according to claim 11, Features: The first fixing portion (10) comprises: Upper support arm (11); a lower support arm (12); and A connecting arm (13) is connected between the rear ends of the upper supporting arm (11) and the lower supporting arm (12). The connecting portion (15) is connected to the front end of the upper supporting arm (11).

13. The connector according to claim 3, Features: The second terminal (2) comprises: A second fixing portion (20) fixed in the second terminal groove (32); and A first cantilever portion (21) is connected to the second fixing portion (20) and is suspended in the second terminal groove (32). A protruding first electrical contact (21a) is formed on the first cantilever portion (21), and the first electrical contact (21a) is used for electrically contacting an inserted circuit board (5).

14. The connector according to claim 13, Features: The second terminal (2) also includes: A second cantilever portion (22) is connected to the second fixing portion (20) and is suspended in the second terminal groove (32). A protruding second electrical contact (22a) is formed on the second cantilever portion (22), and the second electrical contact (22a) is used for electrically contacting an inserted circuit board (5).

15. The connector according to claim 14, Features: The first electrical contact (21a) and the second electrical contact (22a) are spaced apart in the longitudinal direction (Y) of the housing (3), and the first cantilever portion (21) is located below the second cantilever portion (22).

16. The connector according to claim 1, Features: The top cover (4) comprises: a cover plate (40); and Elastic buckles (41, 42) are formed on the cover plate (40), The housing (3) is provided with slots (31, 32) for engaging with the elastic buckles (41, 42) so as to lock the top cover (4) in a closed position.

17. The connector according to claim 16, Features: The cover plate (40) has a first side and a second side opposite to each other in its width direction, the first side of the cover plate (40) is rotatably connected to the plurality of first terminals (1), and the elastic buckles (41, 42) are protrudingly formed on the second side of the cover plate (40).

18. The connector according to claim 17, Features: The elastic buckles (41, 42) include a first elastic buckle (41), and the first elastic buckle (41) is located in the middle of the length direction of the cover plate (40); The card slots (301, 302) comprise a first card slot (301), wherein the first card slot (301) is located at a middle position in a transverse direction (X) of the housing (3) and is used for engaging with the first elastic buckle (41).

19. The connector according to claim 18, Features: The elastic buckles (41, 42) further include a pair of second elastic buckles (42), and the pair of second elastic buckles (42) are respectively located at two ends of the cover plate (40) in the length direction; The card slots (301, 302) further include a pair of second card slots (302), the pair of second card slots (302) being respectively located at two ends of the transverse direction (X) of the housing (3) and being used to respectively engage with the pair of second elastic buckles (42).

20. The connector according to any one of claims 2 to 15, Features: The first terminal (31) is a ground terminal, and the second terminal (32) is a signal terminal.

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