Through-wall wired connection-free terminal block
The through-the-wall wired terminal block uses an insulating base and connecting terminal piece design. It only requires external screws and nuts to connect the internal and external wires of the circuit wallboard, solving the problems of circuit breakage and maintenance inconvenience caused by rusted screws, and achieving low-cost and convenient maintenance.
Patent Information
- Application Number
- CN202422512987.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-17
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-10-17
AI Technical Summary
The connecting screws of the existing conductive connecting platform are prone to rust, resulting in disconnection or poor contact, which is inconvenient and costly to repair.
It adopts the through-the-wall wired terminal block design, uses insulating seats, connecting nuts and connecting end pieces, and only requires a set of connecting screws and connecting nuts on the outside to connect the wires on both sides of the circuit wallboard, avoiding rust on the inner screws and nuts.
The production cost is reduced, maintenance is simpler and more convenient, and the problem of circuit breakage or difficulty in removal caused by rust of screws and nuts is avoided.
Smart Images
Figure CN223348010U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of circuit components, in particular to a through-the-wall wired connection-free terminal block. Background Art
[0002] The current conductive connection platform 300, refer to Figure 1 and Figure 2 Generally, the insulating seat 310 of the conductive connecting platform 300 is fixedly installed in the mounting hole (not shown) of the circuit wallboard (not shown in the figure), and the connecting end piece 320 passes through the mounting hole of the circuit wallboard. The insulating seat 310 is respectively provided with locking screw holes (not shown in the figure) on the end faces on the inner and outer sides of the circuit wallboard. The two ends of the connecting end piece 320 are respectively bent toward the corresponding ends of the insulating seat 310 to form two locking end pieces 321. The two locking end pieces 321 are respectively provided with internal locking through holes (not shown in the figure). The wires on the inner and outer sides of the circuit wallboard are connected to the connecting nose 400 with the cold-pressed end piece 410. The cold-pressed end piece 410 is provided with an external locking through hole (not shown in the figure). The two connecting screws 420 are respectively inserted through the external locking through hole and the internal locking through hole and screwed and locked in the corresponding locking screw holes, thereby electrically connecting the wires on the inner and outer sides of the circuit wallboard. However, the connecting screws on the inside of the circuit wall panel are prone to rust after being used for a long time, which may cause a circuit break, or poor contact may occur if the connecting screws are not tightened. The circuit wall panel needs to be disassembled and the connecting screws need to be tightened again or replaced, which is not only inconvenient for maintenance but also has high manufacturing costs. Utility Model Content
[0003] The purpose of the utility model is to provide a through-the-wall wired terminal block to solve the above technical problems.
[0004] In order to achieve the above-mentioned purpose, the technical solution of the present invention is as follows: a through-wall wired contactless terminal block is provided, comprising at least one contactless terminal assembly, wherein the contactless terminal assembly comprises an insulating seat, a connecting nut, a connecting screw, a first wiring nose and a connecting end piece, the insulating seat comprises a vertically placed vertical plate and a base plate horizontally fixed to the front wall of the vertical plate, the insulating seat is provided with a left inner plate and a right inner plate extending downward in a front-to-back direction below the base plate and in front of the vertical plate, the vertical plate protrudes forward on the right side of the left inner plate to form a left slot plate, and the right side wall of the left slot plate is provided with a left nut notch opening facing right, the vertical plate protrudes forward on the left side of the right inner plate to form a right slot plate, and the left side wall of the right slot plate is provided with an opening The right nut notch faces left and is opposite to the left nut notch, and a nut mounting slot is formed between the left nut notch and the right nut notch, and an end piece positioning slot is formed between the left slot plate and the left inner plate, and an end piece insertion hole connected to the end piece positioning slot is provided on the base plate, and the end piece insertion hole runs forward and backward and passes through the front end of the base plate, the upper end of the connecting end piece is fixedly connected to the first wiring nose as a whole, the middle part of the connecting end piece is inserted in the end piece insertion hole and the end piece positioning slot, the lower end of the connecting end piece is bent to the right to form a locking piece, and a locking screw hole is provided on the locking piece, the connecting nut is installed in the nut mounting slot, and the connecting screw is screwed in sequence from bottom to top and inserted into the locking screw hole and the connecting nut.
[0005] Preferably, the right groove plate is integrally connected to the right inner plate or the right groove plate is separated and located to the left of the right inner plate.
[0006] Preferably, the contactless terminal assembly further comprises a second wiring nose, which is integrally connected to the upper end of the connecting end piece, and the top of the substrate has a left hanging plate and a right hanging plate protruding upward on the left and right sides of the connecting end piece, respectively, and the first wiring nose is placed on the left hanging plate, and the second wiring nose is placed on the right hanging plate.
[0007] Preferably, the contactless terminal assembly further includes a third wiring nose, the third wiring nose is integrally connected to the connection terminal piece, and the third wiring nose is located between the first wiring nose and the second wiring nose.
[0008] Preferably, the number of the contactless terminal assemblies is two, and the insulating seats of the two contactless terminal assemblies are arranged in parallel front and back and fixedly connected to each other.
[0009] Preferably, the through-wall wired terminal block also includes a front connecting end block, a left fixing screw, a right fixing screw, a left fixing nut and a right fixing nut, the left side of the left inner plate and the right side of the right inner plate are respectively protruded with a left fixing post and a right fixing post, the rear end of the left fixing post and the rear end of the right fixing post are both integrally connected to the front wall of the vertical plate, the left fixing post and the right fixing post are respectively provided with a left fixing hole and a right fixing hole that pass through themselves and the vertical plate from front to back, the front connecting end block is provided with a left end block plug hole and a right end block plug hole, the left fixing screw passes through the two left fixing holes and the left end block plug hole in sequence from back to front and is screwed and fixedly connected with the left fixing nut, and the right fixing screw passes through the two right fixing holes and the right end block plug hole in sequence from back to front and is screwed and fixedly connected with the right fixing nut.
[0010] The utility model discloses a through-the-wall wired terminal block which is designed with an insulating seat and a connecting end piece. Only a set of connecting screws and connecting nuts on the outside are needed to connect the wires on the inside and outside of the circuit wall panel, which reduces production costs, makes maintenance simpler and more convenient, and avoids the situation in which the circuit wall panel is broken or difficult to remove due to rust of screws and nuts on the inside.
[0011] The present invention will become more clear through the following description in conjunction with the accompanying drawings, which are used to explain embodiments of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 A structural diagram of an existing conductive connection platform;
[0013] Figure 2 for Figure 1 Exploded view of
[0014] Figure 3 This is a structural diagram of the utility model's through-the-wall wired terminal block from one angle;
[0015] Figure 4 for Figure 3 Exploded view of
[0016] Figure 5 This is a structural diagram of the utility model's through-the-wall wired terminal block from another angle;
[0017] Figure 6 for Figure 5 Exploded view of
[0018] Figure 7 This is a partial structural diagram of the wall-penetrating wired terminal block of the utility model. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0020] refer to Figures 3 to 7 The utility model of the through-wall wired free-connection terminal block includes two free-connection terminal assemblies 100. The free-connection terminal assembly 100 includes an insulating seat 10, a connecting nut 20, a connecting screw 30, a first wiring nose 40 and a connecting terminal piece 50.
[0021] The insulating base 10 includes a vertically placed vertical plate 11 and a base plate 12 horizontally fixed to the front wall of the vertical plate 11. A left inner plate 121 and a right inner plate 122 extending vertically downward from the bottom of the base plate 12 are formed. The rear ends of the left inner plate 121 and the rear ends of the right inner plate 122 are integrally connected to the front side wall of the vertical plate 11. The vertical plate 11 extends forward from the right side of the left inner plate 121 to form a left slot plate 111. The right side wall of the left slot plate 111 is provided with a left nut notch 1111 opening to the right. The vertical plate 11 extends forward from the left side of the right inner plate 122 to form a right slot plate 112. The left side wall of the right slot plate 112 is provided with a right nut notch 1121 opening to the left and directly opposite the left nut notch 1111. A nut mounting slot 101 is formed between the left nut notch 1111 and the right nut notch 1121. An end piece positioning slot 102 is formed between the left slot plate 111 and the left inner plate 121. An end piece insertion hole 123 is formed on the base plate 12, connected to the end piece positioning slot 102. The end piece insertion hole 123 extends forward and backward and extends through the front end of the base plate 12. The upper end of the connecting end piece 50 is integrally fixed to the first wiring lug 40. The middle portion of the connecting end piece 50 is inserted into the end piece insertion hole 123 and the end piece positioning slot 102. The lower end of the connecting end piece 50 is bent rightward to form a locking piece 51. The locking piece 51 defines a locking screw hole 511. The connecting nut 20 is installed in the nut mounting slot 101. The connecting screw 30 is screwed into the locking screw hole 511 and the connecting nut 20 in sequence from bottom to top. In this embodiment, the right slot plate 112 is integrally connected to the right inner plate 122.
[0022] Preferably, the contactless terminal assembly 100 further includes a second wiring lug 60 and a third wiring lug 70. The second wiring lug 60 is integrally connected to the upper end of the connecting terminal piece 50. A left hanging plate 124 and a right hanging plate 125 extending vertically upward from the top of the base plate 12 on the left and right sides of the connecting terminal piece 50, respectively, extend vertically in a forward and backward direction. The first wiring lug 40 is placed on the left hanging plate 124, and the second wiring lug 60 is placed on the right hanging plate 125. The third wiring lug 70 is integrally connected to the connecting terminal piece 50 and is located between the first wiring lug 40 and the second wiring lug 60. The left hanging plate 124 is located on the left side of the left inner plate 121, and the right hanging plate 125 is located on the right side of the right inner plate 122.
[0023] The insulating seats 10 of the two contactless terminal assemblies 100 are arranged side by side and fixed to each other. Specifically, the through-wall wired contactless terminal block also includes a front connecting terminal block 210, a left fixing screw 220, a right fixing screw 230, a left fixing nut 240 and a right fixing nut 250. The left side of the left inner plate 121 and the right side of the right inner plate 122 are respectively provided with a left fixing column 126 and a right fixing column 127. The rear ends of the left fixing column 126 and the rear ends of the right fixing column 127 are both integrally connected to the front wall of the vertical plate 11. The left fixing column 126 and the right fixing column 127 are respectively provided with a left fixing hole 1261 and a right fixing hole 1271 that pass through themselves and the vertical plate 11 from front to back. The front connecting terminal block 210 is provided with a left fixing hole 1261 and a right fixing hole 1271 that pass through themselves and the vertical plate 11 from front to back. There is a left end block socket 211 and a right end block socket 212. The left fixing screw 220 passes through the two left fixing holes 1261 and the left end block socket 211 from back to front and is screwed and fixed with the left fixing nut 240. The right fixing screw 230 passes through the two right fixing holes 1271 and the right end block socket 212 from back to front and is screwed and fixed with the right fixing nut 250, thereby fixing the insulating seats 10 of the two contactless terminal assemblies 100 to each other.
[0024] When the through-the-wall wired terminal block of the present invention is in use, the two insulating seats 10 are fixedly installed in the mounting holes (not shown) of the circuit wallboard (not shown). The first wiring lug 40, the second wiring lug 60, and the third wiring lug 70 are located on the inner side of the circuit wallboard. The inner wire 300 is connected through the first wiring lug 40, the second wiring lug 60, and the third wiring lug 70. The wiring lug 80 is connected to the outer wire (not shown). The cold-pressed terminal 81 of the wiring lug 80 is provided with a terminal screw hole 811. The connecting screw 30 is screwed through the terminal screw hole 811 and the locking screw hole 511 in sequence and then screwed and locked into the connecting nut 20. In this way, the inner wire 300 can be connected by simply pressing and connecting through the first connecting lug 40, the second wiring lug 60, or the third wiring lug 70, without the need for a second screw or nut to cooperate and lock it.
[0025] The utility model discloses a through-the-wall wired terminal block which is designed with an insulating base 10 and a connecting end piece 50. Only a set of connecting screws 30 and connecting nuts 40 on the outside are needed to connect the wires on both sides of the circuit wall panel, thereby reducing production costs, making maintenance simpler and more convenient, and avoiding the situation in which the circuit wall panel is broken or difficult to remove due to rust of the screws and nuts on the inside.
[0026] It should be noted that the left inner plate 121 and the right inner plate 122 can also be formed by simply protruding vertically downward from the base plate 12, or simply protruding forward from the front wall of the riser 11. The right slot plate 112 can also be detachably located to the left of the right inner plate 122. The through-the-wall wired contactless terminal block can also include three or more sets of contactless terminal assemblies 100, each of which is connected in parallel in a front-to-back manner and fixed to each other by a front connecting end block, a left fixing screw, a right fixing screw, a left fixing nut, and a right fixing nut.
[0027] The present invention is described above in conjunction with the best embodiments, but the present invention is not limited to the embodiments disclosed above, but should cover various modifications and equivalent combinations based on the essence of the embodiments.
Claims
1. A through-the-wall wired terminal block, characterized by: The present invention comprises at least one free-connection terminal assembly, wherein the free-connection terminal assembly comprises an insulating seat, a connecting nut, a connecting screw, a first wiring nose and a connecting end piece, wherein the insulating seat comprises a vertically placed vertical plate and a base plate fixed horizontally to the front wall of the vertical plate, wherein the insulating seat is provided with a left inner plate and a right inner plate extending downward in a front-to-back direction below the base plate and in front of the vertical plate, wherein the vertical plate protrudes forward on the right side of the left inner plate to form a left slot plate, wherein a left nut notch opening facing right is provided on the right side wall of the left slot plate, wherein the vertical plate protrudes forward on the left side of the right inner plate to form a right slot plate, wherein a right nut notch opening facing left and facing the left nut notch is provided on the left side wall of the right slot plate, A nut mounting groove is formed between the left nut notch and the right nut notch, and an end piece positioning groove is formed between the left slot plate and the left inner plate. An end piece insertion hole connected to the end piece positioning groove is provided on the base plate, and the end piece insertion hole is forward and backward and passes through the front end of the base plate. The upper end of the connecting end piece is integrally fixed with the first wiring nose, and the middle part of the connecting end piece is inserted in the end piece insertion hole and the end piece positioning groove. The lower end of the connecting end piece is bent to the right to form a locking piece, and a locking screw hole is provided on the locking piece. The connecting nut is installed in the nut mounting groove, and the connecting screw is screwed in sequence from bottom to top and inserted into the locking screw hole and the connecting nut.
2. The through-the-wall wired contactless terminal block according to claim 1, characterized in that: The right groove plate is integrally connected to the right inner plate or the right groove plate is separated and located to the left of the right inner plate.
3. The through-the-wall wired contactless terminal block according to claim 1, characterized in that: The contactless terminal assembly also includes a second wiring nose, which is integrally connected to the upper end of the connecting end piece. The top of the base plate protrudes upward on the left and right sides of the connecting end piece to form a left hanging plate and a right hanging plate running forward and backward. The first wiring nose is placed on the left hanging plate, and the second wiring nose is placed on the right hanging plate.
4. The through-the-wall wired contactless terminal block according to claim 3, characterized in that: The free-connection terminal assembly further includes a third wiring lug, which is integrally connected to the connection terminal piece and is located between the first wiring lug and the second wiring lug.
5. The through-the-wall wired contactless terminal block according to claim 1, characterized in that: There are two free-connection terminal assemblies, and the insulating seats of the two free-connection terminal assemblies are arranged in parallel front and back and fixedly connected to each other.
6. The through-the-wall wired contactless terminal block according to claim 5, characterized in that: The left side of the left inner plate and the right side of the right inner plate are respectively provided with a left fixing post and a right fixing post, and the rear end of the left fixing post and the rear end of the right fixing post are integrally connected to the front wall of the vertical plate. The left fixing post and the right fixing post are respectively provided with a left fixing hole and a right fixing hole that pass through themselves and the vertical plate from front to back, and the front connecting end block is provided with a left end block insertion hole and a right end block insertion hole, and the left fixing screw passes through the two left fixing holes and the left end block insertion hole in sequence from back to front and is screwed and fixedly engaged with the left fixing nut, and the right fixing screw passes through the two right fixing holes and the right end block insertion hole in sequence from back to front and is screwed and fixedly engaged with the right fixing nut.