Connector housing and connector

Abstract

The invention discloses a connector housing and a connector. The connector housing comprises: a housing main body in which a terminal jack, a tool jack and a secondary locking slot are formed; and a secondary lock formed on an outer side of the housing main body for locking the terminal in the terminal insertion hole. A primary lock feature adapted to engage with a primary lock on the terminal is formed in the terminal jack to lock the terminal; the primary lock on the terminal is suitable for being moved to an unlocking position under the pushing of an inserted unlocking tool, and the secondary lock is suitable for moving between a locking position jointed with the secondary lock clamping groove and an unlocking position separated from the secondary lock clamping groove; when the secondary lock is moved to a locking position, the tool jack is shielded by the secondary lock, so that the unlocking tool and the matched terminal cannot be inserted into the tool jack; and when the secondary lock is moved to the unlocking position, the tool insertion hole is not shielded by the secondary lock, so that the unlocking tool is allowed to be inserted into the tool insertion hole. According to the invention, the matching terminal can be effectively prevented from being mistakenly inserted into the tool jack.

Description

Technical Field

[0001] The present invention relates to a connector housing and a connector comprising the connector housing. Background Art

[0002] In the prior art, a connector housing is formed with a terminal receptacle for receiving a terminal and a tool receptacle for inserting an unlocking tool. The terminal itself typically has a primary lock that engages with a primary lock feature within the terminal receptacle to lock the terminal in the terminal receptacle. The unlocking tool, inserted through the tool receptacle, pushes the primary lock to an unlocked position where it disengages from the primary lock feature. In the prior art, the tool receptacle is adjacent to the terminal receptacle, making it easy for the mating terminal of the mating connector to be mistakenly inserted into the tool receptacle.

[0003] Furthermore, in the prior art, the tool insertion hole is always open outward, and the primary lock can be unlocked by inserting an unlocking tool even when the secondary lock is in the locked position. This can sometimes lead to forgetting to unlock the secondary lock in advance. Consequently, there is a risk of unplugging the terminal without first unlocking the secondary lock, which can damage the terminal. Summary of the Invention

[0004] The purpose of the present invention is to solve at least one aspect of the above-mentioned problems and defects in the prior art.

[0005] According to one aspect of the present invention, a connector housing is provided. The connector housing includes: a shell body, formed with a terminal insertion hole for inserting a terminal, a tool insertion hole for inserting an unlocking tool, and a card slot, wherein the terminal insertion hole is formed with a primary lock feature suitable for engaging with a primary lock on the terminal to lock the terminal inserted into the terminal insertion hole; and a secondary lock, formed on the outer side of the shell body and suitable for moving between a locked position engaged with the card slot and an unlocked position separated from the card slot, for further locking the terminal in the terminal insertion hole. The primary lock on the terminal is suitable for being moved to an unlocked position separated from the primary lock feature under the push of an inserted unlocking tool; when the secondary lock is moved to the locked position, the tool insertion hole is blocked by the secondary lock, so that the unlocking tool and the mating terminal of the mating connector cannot be inserted into the tool insertion hole.

[0006] According to an exemplary embodiment of the present invention, when the secondary lock is moved to the locking position, the secondary lock engages with a secondary lock feature on a terminal inserted into the terminal receptacle to lock the terminal in the terminal receptacle.

[0007] According to another exemplary embodiment of the present invention, the shell body has a front end and a rear end opposite to each other in the longitudinal direction, and the tool socket is formed on the rear end of the shell body; the secondary lock includes a shielding portion, and when the secondary lock is in the locked position, the shielding portion covers the tool socket at the rear end of the shell body.

[0008] According to another exemplary embodiment of the present invention, the secondary lock further comprises: an elastic arm portion, one end of which is connected to the housing body and the other end of which is connected to the shielding portion; and a hook portion connected to the other end of the elastic arm portion. When the secondary lock is moved to the locked position, the hook portion engages with the secondary lock slot and is adapted to engage with a secondary lock feature on a terminal inserted into the terminal receptacle, thereby locking the terminal in the terminal receptacle.

[0009] According to another exemplary embodiment of the present invention, the shell body has a top and a bottom relative to each other in the height direction thereof, the secondary lock slot is formed on the top of the shell body, one end of the elastic arm portion is connected to the top of the shell body; one end of the elastic arm portion is adjacent to the front end of the shell body, and the elastic arm portion extends obliquely backward and upward from one end thereof by a predetermined length.

[0010] According to another exemplary embodiment of the present invention, the shielding portion is L-shaped and includes: a first plate portion, the front side of which is connected to the other end of the elastic arm portion and extends along the extension direction of the elastic arm portion; and a second plate portion, which is connected to the rear side of the first plate portion and is perpendicular to the extension direction of the elastic arm portion. When the secondary lock is moved to the locked position, the first plate portion abuts against the top of the shell body, and the second plate portion covers the tool receptacle at the rear end of the shell body.

[0011] According to another exemplary embodiment of the present invention, a guide hole is further formed on the second plate portion of the shielding portion. When the secondary lock is in the locking position, the guide hole is aligned with the terminal insertion hole for guiding the mating terminal to be inserted into the terminal insertion hole.

[0012] According to another exemplary embodiment of the present invention, the housing body has left and right sides opposing each other in the transverse direction, and a latching slot is formed on the left and right sides of the rear end of the housing body; the secondary lock further includes a pair of elastic hooks connected to the second plate portion and located on the left and right sides of the housing body. When the secondary lock is moved to the locked position, the pair of elastic hooks engage with the latching slots on the left and right sides of the rear end of the housing body, respectively, to maintain the secondary lock in the locked position.

[0013] According to another exemplary embodiment of the present invention, a plurality of terminal insertion holes are formed in the shell body, and the plurality of terminal insertion holes are arranged along the transverse direction of the shell body, and the secondary lock slot extends along the transverse direction of the shell body and is connected to the plurality of terminal insertion holes; when the secondary lock is moved to the locking position, the secondary lock is adapted to simultaneously engage with a plurality of terminals respectively inserted into the plurality of terminal insertion holes to simultaneously lock the plurality of terminals.

[0014] According to another exemplary embodiment of the present invention, a plurality of tool jacks are formed on the rear end of the shell body, and the plurality of tool jacks are respectively connected to the plurality of terminal jacks; when the secondary lock is moved to the locking position, the second plate portion of the shielding portion simultaneously covers the plurality of terminal jacks.

[0015] According to another exemplary embodiment of the present invention, a plurality of guide holes are formed on the second plate portion of the shielding portion. When the secondary lock is in the locking position, the plurality of guide holes are respectively aligned with the plurality of terminal insertion holes for guiding the plurality of mating terminals to be respectively inserted into the plurality of terminal insertion holes.

[0016] According to another exemplary embodiment of the present invention, a positioning groove with a semicircular cross-section is formed on the rear end of the shell body, and the positioning groove extends transversely along the shell body; a positioning rib suitable for cooperating with the positioning groove is formed on the second plate portion of the shielding portion to position the second plate portion of the shielding portion on the rear end of the shell body.

[0017] According to another exemplary embodiment of the present invention, the shell body has a top and a bottom relative to each other in the height direction thereof, and the secondary lock slot and the tool socket are formed on the top of the shell body; the secondary lock includes a shielding portion, and when the secondary lock is in the locked position, the shielding portion covers the tool socket on the top of the shell body.

[0018] According to another exemplary embodiment of the present invention, the secondary lock further comprises: an elastic arm portion, one end of which is connected to the top of the housing body and the other end of which is connected to the shielding portion; and a hook portion connected to the other end of the elastic arm portion. When the secondary lock is moved to the locked position, the hook portion engages with the secondary lock slot and is adapted to engage with a secondary lock feature on a terminal inserted into the terminal receptacle, thereby locking the terminal in the terminal receptacle.

[0019] According to another exemplary embodiment of the present invention, one end of the elastic arm portion is adjacent to the front end of the case body, and the elastic arm portion extends obliquely rearward and upward from the one end by a predetermined length.

[0020] According to another exemplary embodiment of the present invention, the shielding portion is plate-shaped and is adapted to be attached to the top of the case body to cover the tool insertion hole on the top of the case body.

[0021] According to another exemplary embodiment of the present invention, the housing body has left and right sides opposing each other in the transverse direction, and a latching slot is formed on the left and right sides of the rear end of the housing body; the secondary lock further includes a pair of elastic hooks connected to the shielding portion and located on the left and right sides of the housing body. When the secondary lock is moved to the locked position, the pair of elastic hooks engage with the latching slots on the left and right sides of the rear end of the housing body, respectively, to maintain the secondary lock in the locked position.

[0022] According to another exemplary embodiment of the present invention, a plurality of terminal insertion holes are formed in the shell body, and the plurality of terminal insertion holes are arranged along the transverse direction of the shell body, and the secondary lock slot extends along the transverse direction of the shell body and is connected to the plurality of terminal insertion holes; when the secondary lock is moved to the locking position, the secondary lock is adapted to simultaneously engage with a plurality of terminals respectively inserted into the plurality of terminal insertion holes to simultaneously lock the plurality of terminals.

[0023] According to another exemplary embodiment of the present invention, a plurality of tool jacks are formed on the top of the shell body, and the plurality of tool jacks are respectively connected to the plurality of terminal jacks; when the secondary lock is moved to the locking position, the shielding portion simultaneously covers the plurality of terminal jacks.

[0024] According to another exemplary embodiment of the present invention, a positioning groove is formed on the top of the shell body, and the positioning groove extends along the transverse direction of the shell body and is connected with the multiple tool sockets; a positioning protrusion suitable for being inserted into the positioning groove is formed on the bottom surface of the shielding part to position the shielding part on the top of the shell body.

[0025] According to another exemplary embodiment of the present invention, the connector housing is an integral injection molded part.

[0026] According to another aspect of the present invention, a connector is provided, comprising: a connector housing; and a terminal inserted into a terminal insertion hole of the connector housing.

[0027] In the aforementioned exemplary embodiments according to the present invention, when the secondary lock is in the locked position, the tool socket is blocked by the secondary lock, so that the mating terminal cannot be inserted into the tool socket, thereby effectively preventing the mating terminal from being mistakenly inserted into the tool socket.

[0028] Furthermore, in the aforementioned exemplary embodiments of the present invention, when the secondary lock is in the locked position, the tool receptacle is blocked by the secondary lock, preventing the unlocking tool from being inserted into the tool receptacle. Therefore, the present invention effectively prevents the problem of forgetting to unlock the secondary lock, thereby effectively avoiding the risk of the secondary lock not being unlocked when the terminal is removed.

[0029] 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

[0030] Figure 1 A perspective schematic diagram showing a connector housing according to a first embodiment of the present invention as viewed from one angle, wherein the secondary lock is in an unlocked position;

[0031] Figure 2 A perspective schematic diagram showing the connector housing according to the first embodiment of the present invention as viewed from another angle, wherein the secondary lock is in an unlocked position;

[0032] Figure 3 A longitudinal sectional view showing a connector housing according to a first embodiment of the present invention, wherein the secondary lock is in an unlocked position;

[0033] Figure 4 A perspective schematic diagram showing a connector housing according to a first embodiment of the present invention, wherein the secondary lock is in a locked position;

[0034] Figure 5 A perspective schematic diagram showing a connector housing according to a second embodiment of the present invention as viewed from one angle, wherein the secondary lock is in an unlocked position;

[0035] Figure 6 A perspective schematic diagram showing a connector housing according to a second embodiment of the present invention as viewed from another angle, wherein the secondary lock is in an unlocked position;

[0036] Figure 7 A longitudinal sectional view showing a connector housing according to a second embodiment of the present invention, wherein the secondary lock is in an unlocked position;

[0037] Figure 8 A perspective schematic diagram shows a connector housing according to a second embodiment of the present invention, wherein the secondary lock is in a locked position. DETAILED DESCRIPTION

[0038] The technical solution of the present invention will be further described in detail below through 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 limiting the present invention.

[0039] In addition, in the following detailed description, for ease of explanation, numerous specific details are set forth to provide a comprehensive understanding of the disclosed embodiments. However, it is apparent that one or more embodiments can be practiced without these specific details. In other cases, well-known structures and devices are shown in diagrammatic form to simplify the accompanying drawings.

[0040] According to one general technical concept of the present invention, a connector housing is provided. The connector housing includes: a housing body, formed with a terminal insertion hole for inserting a terminal, a tool insertion hole for inserting an unlocking tool, and a secondary lock slot for locking a secondary lock; and a secondary lock formed on the outer side of the housing body, for locking the terminal in the terminal insertion hole. A primary lock feature is formed in the terminal insertion hole, adapted to engage with a primary lock on the terminal to lock the terminal inserted into the terminal insertion hole; the primary lock on the terminal is adapted to be moved to an unlocked position separated from the primary lock feature by an inserted unlocking tool, and the secondary lock is adapted to move between a locked position engaged with the secondary lock slot and an unlocked position separated from the secondary lock slot; when the secondary lock is moved to the locked position, the tool insertion hole is blocked by the secondary lock, so that the unlocking tool and the mating terminal of the mating connector cannot be inserted into the tool insertion hole; when the secondary lock is moved to the unlocked position, the tool insertion hole is not blocked by the secondary lock, allowing the unlocking tool to be inserted into the tool insertion hole.

[0041] According to another general technical concept of the present invention, a connector housing is provided. The connector housing includes: a shell body, formed with a terminal insertion hole for inserting a terminal, a tool insertion hole for inserting an unlocking tool, and a card slot, wherein the terminal insertion hole is formed with a primary lock feature suitable for engaging with a primary lock on the terminal to lock the terminal inserted into the terminal insertion hole; and a secondary lock, formed on the outer side of the shell body and suitable for moving between a locked position engaged with the card slot and an unlocked position separated from the card slot, for further locking the terminal in the terminal insertion hole. The primary lock on the terminal is suitable for being moved to an unlocked position separated from the primary lock feature under the push of an inserted unlocking tool; when the secondary lock is moved to the locked position, the tool insertion hole is blocked by the secondary lock, so that the unlocking tool and the mating terminal of the mating connector cannot be inserted into the tool insertion hole.

[0042] According to another general technical concept of the present invention, a connector is provided, comprising: a connector housing; and a terminal inserted into a terminal insertion hole of the connector housing.

[0043] First embodiment

[0044] Figures 1 to 4 The first embodiment according to the present invention is shown. Figure 1 A perspective schematic diagram showing a connector housing 1 according to a first embodiment of the present invention when viewed from one angle, wherein the secondary lock 10 is in an unlocked position; Figure 2 A perspective schematic diagram showing the connector housing 1 according to the first embodiment of the present invention when viewed from another angle, wherein the secondary lock 10 is in an unlocked position; Figure 3 A longitudinal sectional view showing a connector housing 1 according to a first embodiment of the present invention, wherein the secondary lock 10 is in an unlocked position; Figure 4 A perspective schematic diagram shows a connector housing 1 according to a first embodiment of the present invention, wherein the secondary lock 10 is in a locked position.

[0045] like Figures 1 to 4 As shown, in an exemplary embodiment of the present invention, a connector housing 1 is disclosed. The connector housing 1 includes: a housing body 100 and a secondary lock 10. A terminal insertion hole 101 for inserting a terminal (not shown), a tool insertion hole 103 for inserting an unlocking tool (not shown), and a secondary lock slot 102 for locking the secondary lock 10 are formed on the housing body 100. The secondary lock 10 is formed on the outer side of the housing body 100 and is used to lock the terminal in the terminal insertion hole 101. A primary lock feature 101a is formed in the terminal insertion hole 101, which is suitable for engaging with a primary lock (not shown, for example, a locking spring) on ​​the terminal to lock the terminal inserted into the terminal insertion hole 101. In the illustrated embodiment, the primary lock feature 101a in the terminal insertion hole 101 can be a positioning step suitable for abutting against the primary lock of the terminal.

[0046] like Figures 1 to 4 As shown, in the illustrated embodiment, the primary lock on the terminal is adapted to be moved to an unlocked position separated from the primary lock feature 101a by the push of an inserted unlocking tool. The secondary lock 10 is adapted to move between a locked position engaged with the secondary lock slot 102 and an unlocked position separated from the secondary lock slot 102.

[0047] like Figure 4 As shown, in the illustrated embodiment, when the secondary lock 10 is moved to the locked position, the tool receptacle 103 is blocked by the secondary lock 10 , so that the unlocking tool and the mating terminal (not shown) of the mating connector (not shown) cannot be inserted into the tool receptacle 103 .

[0048] like Figures 1 to 3 As shown, in the illustrated embodiment, when the secondary lock 10 is moved to the unlocking position, the tool receptacle 103 is not blocked by the secondary lock 10 , so as to allow an unlocking tool to be inserted into the tool receptacle 103 .

[0049] like Figures 1 to 4 As shown, in the illustrated embodiment, when the secondary lock 10 is moved to the locked position, the secondary lock 10 engages with a secondary lock feature (not shown, for example, a step) on the terminal inserted into the terminal receptacle 101 to lock the terminal in the terminal receptacle 101.

[0050] like Figures 1 to 4 As shown, in the illustrated embodiment, the housing body 100 has a front end and a rear end opposite to each other in the longitudinal direction Y thereof, and a tool insertion hole 103 is formed at the rear end of the housing body 100. The secondary lock 10 includes a shielding portion 13. When the secondary lock 10 is in the locked position, the shielding portion 13 covers the tool insertion hole 103 at the rear end of the housing body 100.

[0051] like Figures 1 to 4 As shown, in the illustrated embodiment, the secondary lock 10 further includes an elastic arm portion 11 and a hook portion 12. One end of the elastic arm portion 11 is connected to the housing body 100, and the other end is connected to the shielding portion 13. The hook portion 12 is connected to the other end of the elastic arm portion 11. When the secondary lock 10 is moved to the locked position, the hook portion 12 engages with the secondary lock slot 102 and is adapted to engage with the secondary lock feature on the terminal inserted into the terminal receptacle 101, thereby locking the terminal in the terminal receptacle 101.

[0052] like Figures 1 to 4 As shown, in the illustrated embodiment, the case body 100 has a top and a bottom that are opposite to each other in its height direction Z. A secondary locking slot 102 is formed on the top of the case body 100, and one end of the elastic arm portion 11 is connected to the top of the case body 100. One end of the elastic arm portion 11 is adjacent to the front end of the case body 100, and the elastic arm portion 11 extends obliquely backward and upward from the one end thereof for a predetermined length.

[0053] like Figures 1 to 4 As shown, in the illustrated embodiment, the shielding portion 13 is L-shaped and includes a first plate portion 131 and a second plate portion 132. The front side of the first plate portion 131 is connected to the other end of the elastic arm portion 11 and extends along the extension direction of the elastic arm portion 11. The second plate portion 132 is connected to the rear side of the first plate portion 131 and is perpendicular to the extension direction of the elastic arm portion 11. When the secondary lock 10 is moved to the locked position, the first plate portion 131 abuts against the top of the housing body 100, and the second plate portion 132 covers the tool insertion hole 103 at the rear end of the housing body 100.

[0054] like Figures 1 to 4As shown, in the illustrated embodiment, a guide hole 130 is further formed on the second plate portion 132 of the shielding portion 13. When the secondary lock 10 is in the locked position, the guide hole 130 is aligned with the terminal insertion hole 101 for guiding the mating terminal to be inserted into the terminal insertion hole 101.

[0055] like Figures 1 to 4 As shown, in the illustrated embodiment, the housing body 100 has left and right sides opposing each other in the transverse direction X. A latching slot 104 is formed on each of the left and right sides of the rear end of the housing body 100. The secondary lock 10 also includes a pair of elastic hooks 14. The pair of elastic hooks 14 are connected to the second plate portion 132 and are located on the left and right sides of the housing body 100, respectively. When the secondary lock 10 is moved to the locked position, the pair of elastic hooks 14 engage with the latching slots 104 on the left and right sides of the rear end of the housing body 100, respectively, to maintain the secondary lock 100 in the locked position.

[0056] like Figures 1 to 4 As shown, in the illustrated embodiment, a plurality of terminal insertion holes 101 are formed in the housing body 100, and the plurality of terminal insertion holes 101 are arranged along the transverse direction X of the housing body 100. The secondary lock slot 102 extends along the transverse direction X of the housing body 100 and communicates with the plurality of terminal insertion holes 101. When the secondary lock 10 is moved to the locked position, the secondary lock 10 is adapted to simultaneously engage with the plurality of terminals respectively inserted into the plurality of terminal insertion holes 101, thereby locking the plurality of terminals simultaneously.

[0057] like Figures 1 to 4 As shown, in the illustrated embodiment, a plurality of tool insertion holes 103 are formed on the rear end of the housing body 100, and the plurality of tool insertion holes 103 are respectively connected to the plurality of terminal insertion holes 101. When the secondary lock 10 is moved to the locked position, the second plate portion 132 of the shielding portion 13 simultaneously covers the plurality of terminal insertion holes 101.

[0058] like Figures 1 to 4 As shown, in the illustrated embodiment, a plurality of guide holes 130 are formed on the second plate portion 132 of the shielding portion 13. When the secondary lock 10 is in the locked position, the plurality of guide holes 130 are aligned with the plurality of terminal insertion holes 101, respectively, for guiding the plurality of mating terminals to be inserted into the plurality of terminal insertion holes 101, respectively.

[0059] like Figures 1 to 4 As shown, in the illustrated embodiment, a positioning groove 105 having a semicircular cross-section is formed on the rear end of the housing body 100, and the positioning groove 105 extends along the transverse direction X of the housing body 100. A positioning rib 15 is formed on the second plate portion 132 of the shielding portion 13, which is adapted to cooperate with the positioning groove 105, so as to position the second plate portion 132 of the shielding portion 13 on the rear end of the housing body 100.

[0060] like Figures 1 to 4As shown, in the illustrated embodiment, the connector housing 1 can be an integral injection molded part.

[0061] like Figures 1 to 4 As shown, in another exemplary embodiment of the present invention, a connector is also disclosed. The connector comprises: a connector housing 1 and a terminal, wherein the terminal is inserted into a terminal insertion hole 101 of the connector housing 1 .

[0062] Second embodiment

[0063] Figures 5 to 8 The second embodiment according to the present invention is shown. Figure 5 A perspective schematic diagram showing a connector housing 1 according to a second embodiment of the present invention when viewed from one angle, wherein the secondary lock 10 is in an unlocked position; Figure 6 A perspective schematic diagram showing the connector housing 1 according to the second embodiment of the present invention when viewed from another angle, wherein the secondary lock 10 is in the unlocked position; Figure 7 A longitudinal sectional view showing a connector housing 1 according to a second embodiment of the present invention, wherein the secondary lock 10 is in an unlocked position; Figure 8 A perspective schematic diagram shows a connector housing 1 according to a second embodiment of the present invention, wherein the secondary lock 10 is in a locked position.

[0064] like Figures 5 to 8 As shown, in an exemplary embodiment of the present invention, a connector housing 1 is disclosed. The connector housing 1 includes: a housing body 100 and a secondary lock 10. A terminal insertion hole 101 for inserting a terminal (not shown), a tool insertion hole 103 for inserting an unlocking tool (not shown), and a secondary lock slot 102 for locking the secondary lock 10 are formed on the housing body 100. The secondary lock 10 is formed on the outer side of the housing body 100 and is used to lock the terminal in the terminal insertion hole 101. A primary lock feature 101a is formed in the terminal insertion hole 101, which is suitable for engaging with a primary lock (not shown, for example, a locking spring) on ​​the terminal to lock the terminal inserted into the terminal insertion hole 101. In the illustrated embodiment, the primary lock feature 101a in the terminal insertion hole 101 can be a positioning step suitable for abutting against the primary lock of the terminal.

[0065] like Figures 5 to 8 As shown, in the illustrated embodiment, the primary lock on the terminal is adapted to be moved to an unlocked position separated from the primary lock feature 101a by the push of an inserted unlocking tool. The secondary lock 10 is adapted to move between a locked position engaged with the secondary lock slot 102 and an unlocked position separated from the secondary lock slot 102.

[0066] like Figure 8As shown, in the illustrated embodiment, when the secondary lock 10 is moved to the locked position, the tool receptacle 103 is blocked by the secondary lock 10 , so that the unlocking tool and the mating terminal (not shown) of the mating connector (not shown) cannot be inserted into the tool receptacle 103 .

[0067] like Figures 5 to 7 As shown, in the illustrated embodiment, when the secondary lock 10 is moved to the unlocking position, the tool receptacle 103 is not blocked by the secondary lock 10 , so as to allow an unlocking tool to be inserted into the tool receptacle 103 .

[0068] like Figures 5 to 8 As shown, in the illustrated embodiment, the case body 100 has a top and a bottom that are opposite to each other in its height direction Z. A secondary lock slot 102 and a tool insertion hole 103 are formed on the top of the case body 100. The secondary lock 10 includes a shielding portion 13. When the secondary lock 10 is in the locked position, the shielding portion 13 covers the tool insertion hole 103 on the top of the case body 100.

[0069] like Figures 5 to 8 As shown, in the illustrated embodiment, the secondary lock 10 further includes an elastic arm portion 11 and a hook portion 12. One end of the elastic arm portion 11 is connected to the top of the housing body 100, and the other end is connected to the shielding portion 13. The hook portion 12 is connected to the other end of the elastic arm portion 11. When the secondary lock 10 is moved to the locked position, the hook portion 12 engages with the secondary lock slot 102 and is adapted to engage with the secondary lock feature on the terminal inserted into the terminal receptacle 101, thereby locking the terminal in the terminal receptacle 101.

[0070] like Figures 5 to 8 As shown, in the illustrated embodiment, one end of the elastic arm portion 11 is adjacent to the front end of the case body 100 , and the elastic arm portion 11 extends obliquely rearward and upward from the one end thereof by a predetermined length.

[0071] like Figures 5 to 8 As shown, in the illustrated embodiment, the shielding portion 13 is plate-shaped and is adapted to be attached to the top of the case body 100 to cover the tool insertion hole 103 on the top of the case body 100 .

[0072] like Figures 5 to 8 As shown, in the illustrated embodiment, the housing body 100 has left and right sides opposing each other in the transverse direction X. A retaining groove 104 is formed on the left and right sides of the rear end of the housing body 100. The secondary lock 10 also includes a pair of elastic hooks 14. The pair of elastic hooks 14 are connected to the shielding portion 13 and are located on the left and right sides of the housing body 100. When the secondary lock 10 is moved to the locked position, the pair of elastic hooks 14 engage with the retaining grooves 104 on the left and right sides of the rear end of the housing body 100, respectively, to maintain the secondary lock 100 in the locked position.

[0073] like Figures 5 to 8As shown, in the illustrated embodiment, a plurality of terminal insertion holes 101 are formed in the housing body 100, and the plurality of terminal insertion holes 101 are arranged along the transverse direction X of the housing body 100. The secondary lock slot 102 extends along the transverse direction X of the housing body 100 and communicates with the plurality of terminal insertion holes 101. When the secondary lock 10 is moved to the locked position, the secondary lock 10 is adapted to simultaneously engage with the plurality of terminals respectively inserted into the plurality of terminal insertion holes 101, thereby locking the plurality of terminals simultaneously.

[0074] like Figures 5 to 8 As shown, in the illustrated embodiment, a plurality of tool insertion holes 103 are formed on the top of the housing body 100, and the plurality of tool insertion holes 103 are respectively connected to the plurality of terminal insertion holes 101. When the secondary lock 10 is moved to the locked position, the shielding portion 13 covers the plurality of terminal insertion holes 101 at the same time.

[0075] like Figures 5 to 8 As shown, in the illustrated embodiment, a positioning groove 106 is formed on the top of the case body 100. The positioning groove 106 extends along the transverse direction X of the case body 100 and communicates with the plurality of tool insertion holes 103. A positioning protrusion 16 is formed on the bottom surface of the shielding portion 13 and is suitable for being inserted into the positioning groove 106 to position the shielding portion 13 on the top of the case body 100.

[0076] like Figures 5 to 8 As shown, in the illustrated embodiment, the connector housing 1 can be an integral injection molded part.

[0077] like Figures 5 to 8 As shown, in another exemplary embodiment of the present invention, a connector is also disclosed. The connector comprises: a connector housing 1 and a terminal, wherein the terminal is inserted into a terminal insertion hole 101 of the connector housing 1 .

[0078] Those skilled in the art will understand that the embodiments described above are exemplary and can be improved by those skilled in the art. The structures described in various embodiments can be freely combined without causing any conflicts in structure or principle. These changes should fall within the scope of protection of the present invention.

[0079] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplify the preferred embodiments of the present invention and should not be construed as limiting the present invention.

[0080] 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.

[0081] 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 in the claims should not be construed as limiting the scope of the invention.

Claims

1. A connector housing (1), characterized in that: include: The shell body (100) is formed with a terminal insertion hole (101) for inserting a terminal, a tool insertion hole (103) for inserting an unlocking tool, and a card slot (102); the terminal insertion hole (101) is formed with a one-time lock feature (101a) suitable for engaging with a one-time lock on the terminal to lock the terminal inserted into the terminal insertion hole (101); and a secondary lock (10) formed on the outer side of the housing body (100) and adapted to move between a locking position engaged with the card slot (102) and an unlocking position separated from the card slot (102), for further locking the terminal in the terminal insertion hole (101); The primary lock on the terminal is adapted to be moved to an unlocking position separated from the primary lock feature (101a) under the push of an inserted unlocking tool; When the secondary lock (10) is moved to the locked position, the tool jack (103) is blocked by the secondary lock (10), so that the unlocking tool and the mating terminal of the mating connector cannot be inserted into the tool jack (103).

2. The connector housing according to claim 1, wherein: When the secondary lock (10) is moved to the locking position, the secondary lock (10) engages with a secondary lock feature on a terminal inserted into the terminal insertion hole (101) to lock the terminal in the terminal insertion hole (101).

3. The connector housing according to claim 2, wherein: The shell body (100) has a front end and a rear end opposite to each other in the longitudinal direction (Y) thereof, and the tool insertion hole (103) is formed on the rear end of the shell body (100); The secondary lock (10) comprises a shielding portion (13). When the secondary lock (10) is in the locked position, the shielding portion (13) covers the tool insertion hole (103) at the rear end of the shell body (100).

4. The connector housing according to claim 3, wherein: The secondary lock (10) further comprises: an elastic arm portion (11), one end of which is connected to the shell body (100) and the other end of which is connected to the shielding portion (13); and The hook portion (12) is connected to the other end of the elastic arm portion (11). When the secondary lock (10) is moved to the locking position, the hook portion (12) engages with the secondary lock slot (102) and is adapted to engage with a secondary lock feature on a terminal inserted into the terminal insertion hole (101) to lock the terminal in the terminal insertion hole (101).

5. The connector housing according to claim 4, wherein: The shell body (100) has a top and a bottom that are opposite to each other in the height direction (Z) thereof, the secondary locking slot (102) is formed on the top of the shell body (100), and one end of the elastic arm portion (11) is connected to the top of the shell body (100); One end of the elastic arm portion (11) is adjacent to the front end of the shell body (100), and the elastic arm portion (11) extends obliquely backward and upward from the one end thereof by a predetermined length.

6. The connector housing according to claim 4, wherein: The shielding portion (13) is L-shaped and comprises: A first plate portion (131), the front side of which is connected to the other end of the elastic arm portion (11) and extends along the extension direction of the elastic arm portion (11); and a second plate portion (132), which is connected to the rear side of the first plate portion (131) and is perpendicular to the extending direction of the elastic arm portion (11), When the secondary lock (10) is moved to the locking position, the first plate portion (131) abuts against the top of the shell body (100), and the second plate portion (132) covers the tool insertion hole (103) at the rear end of the shell body (100).

7. The connector housing according to claim 6, wherein: A guide hole (130) is also formed on the second plate portion (132) of the shielding portion (13); when the secondary lock (10) is in the locked position, the guide hole (130) is aligned with the terminal insertion hole (101) for guiding the mating terminal to be inserted into the terminal insertion hole (101).

8. The connector housing according to claim 6, wherein: The shell body (100) has two opposite left and right sides in its transverse direction (X), and a card slot (104) is formed on the left and right sides of the rear end of the shell body (100). The secondary lock (10) further comprises: A pair of elastic hooks (14) are connected to the second plate portion (132) and are respectively located on the left and right sides of the shell body (100). When the secondary lock (10) is moved to the locked position, the pair of elastic hooks (14) respectively engage with the card slots (104) on the left and right sides of the rear end of the shell body (100) to keep the secondary lock (10) in the locked position.

9. The connector housing according to claim 7, wherein: A plurality of terminal insertion holes (101) are formed in the shell body (100), the plurality of terminal insertion holes (101) are arranged along the transverse direction (X) of the shell body (100), and the secondary locking slot (102) extends along the transverse direction (X) of the shell body (100) and is in communication with the plurality of terminal insertion holes (101); When the secondary lock (10) is moved to the locking position, the secondary lock (10) is adapted to simultaneously engage with a plurality of terminals respectively inserted into the plurality of terminal insertion holes (101) to simultaneously lock the plurality of terminals.

10. The connector housing according to claim 9, wherein: A plurality of tool insertion holes (103) are formed on the rear end of the shell body (100), and the plurality of tool insertion holes (103) are respectively connected to the plurality of terminal insertion holes (101); When the secondary lock (10) is moved to the locking position, the second plate portion (132) of the shielding portion (13) simultaneously covers the plurality of terminal insertion holes (101).

11. The connector housing according to claim 10, wherein: A plurality of guide holes (130) are formed on the second plate portion (132) of the shielding portion (13); when the secondary lock (10) is in the locking position, the plurality of guide holes (130) are aligned with the plurality of terminal insertion holes (101) for guiding the plurality of mating terminals to be inserted into the plurality of terminal insertion holes (101).

12. The connector housing according to claim 6, wherein: A positioning groove (105) with a semicircular cross section is formed on the rear end of the shell body (100), and the positioning groove (105) extends along the transverse direction (X) of the shell body (100); A positioning rib (15) adapted to cooperate with the positioning groove (105) is formed on the second plate portion (132) of the shielding portion (13) to position the second plate portion (132) of the shielding portion (13) on the rear end of the shell body (100).

13. The connector housing according to claim 2, wherein: The shell body (100) has a top and a bottom that are opposite to each other in the height direction (Z) thereof, and the secondary locking slot (102) and the tool insertion hole (103) are formed on the top of the shell body (100); The secondary lock (10) comprises a shielding portion (13), and when the secondary lock (10) is in the locked position, the shielding portion (13) covers the tool insertion hole (103) at the top of the shell body (100).

14. The connector housing according to claim 13, wherein: The secondary lock (10) further comprises: an elastic arm portion (11), one end of which is connected to the top of the shell body (100), and the other end of which is connected to the shielding portion (13); and The hook portion (12) is connected to the other end of the elastic arm portion (11). When the secondary lock (10) is moved to the locking position, the hook portion (12) engages with the secondary lock slot (102) and is adapted to engage with a secondary lock feature on a terminal inserted into the terminal insertion hole (101) to lock the terminal in the terminal insertion hole (101).

15. The connector housing according to claim 14, wherein: One end of the elastic arm portion (11) is adjacent to the front end of the shell body (100), and the elastic arm portion (11) extends obliquely backward and upward from the one end thereof by a predetermined length.

16. The connector housing according to claim 14, wherein: The shielding portion (13) is plate-shaped and is suitable for being placed against the top of the shell body (100) to cover the tool insertion hole (103) on the top of the shell body (100).

17. The connector housing according to claim 16, wherein: The shell body (100) has two opposite left and right sides in its transverse direction (X), and a card slot (104) is formed on the left and right sides of the rear end of the shell body (100). The secondary lock (10) further comprises: A pair of elastic hooks (14) are connected to the shielding portion (13) and are respectively located on the left and right sides of the shell body (100). When the secondary lock (10) is moved to the locked position, the pair of elastic hooks (14) respectively engage with the card slots (104) on the left and right sides of the rear end of the shell body (100) to keep the secondary lock (10) in the locked position.

18. The connector housing according to claim 16, wherein: A plurality of terminal insertion holes (101) are formed in the shell body (100), the plurality of terminal insertion holes (101) are arranged along the transverse direction (X) of the shell body (100), and the secondary locking slot (102) extends along the transverse direction (X) of the shell body (100) and is in communication with the plurality of terminal insertion holes (101); When the secondary lock (10) is moved to the locking position, the secondary lock (10) is adapted to simultaneously engage with a plurality of terminals respectively inserted into the plurality of terminal insertion holes (101) to simultaneously lock the plurality of terminals.

19. The connector housing according to claim 18, wherein: A plurality of tool insertion holes (103) are formed on the top of the shell body (100), and the plurality of tool insertion holes (103) are respectively communicated with the plurality of terminal insertion holes (101); When the secondary lock (10) is moved to the locking position, the shielding portion (13) simultaneously covers the plurality of terminal insertion holes (101).

20. The connector housing according to claim 19, wherein: A positioning groove (106) is formed on the top of the shell body (100), and the positioning groove (106) extends along the transverse direction (X) of the shell body (100) and is connected to the plurality of tool insertion holes (103); A positioning protrusion (16) suitable for being inserted into the positioning groove (106) is formed on the bottom surface of the shielding portion (13) to position the shielding portion (13) on the top of the shell body (100).

21. The connector housing according to any one of claims 1 to 20, characterized in that: The connector housing (1) is an integral injection-molded part.

22. A connector, characterized in that: include: The connector housing (1) according to any one of claims 1 to 21; and The terminal is inserted into the terminal insertion hole (101) of the connector housing (1).

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