Terminal fixing device

Abstract

The utility model discloses a terminal fixing device. The terminal fixing device comprises a device body and a locking assembly. The device main body comprises a first mounting part and a second mounting part which are used for mounting a guide rail, and sliding structures for the guide rail to slide are arranged on the first mounting part and the second mounting part; the locking assembly comprises a control piece and a fastening piece which are movably installed on the device body, the locking assembly is movably installed on the device body, and the locking assembly is used for locking and unlocking the device body and the guide rail. The terminal fixing device provided by the utility model can realize the preassembly process of the terminal fixing device and the guide rail, and improves the installation accuracy and installation efficiency of the terminal fixing device and the guide rail.

Description

Technical Field

[0001] This utility model belongs to the field of connector technology, and specifically relates to a terminal fixing device. Background Technology

[0002] Terminal blocks are accessories used to achieve electrical connections, and are classified as connectors in industry. With increasing industrial automation and more stringent and precise industrial control requirements, the types and usage of terminal blocks are growing rapidly. There are many types of terminal blocks, such as DIN rail terminal blocks, which generally use a standard "leg" structure that connects to a DIN rail, thus enabling the installation of the DIN rail terminal block on the DIN rail.

[0003] However, existing rail-mounted terminal blocks, once installed on a rail, generally have weak connections between their "legs" and the rail, allowing them to slide freely. Therefore, to ensure stable installation, existing technology uses a fixing device at each end of the sliding direction to restrict movement. Once installed, these fixing devices are directly and permanently attached to the rail, preventing further movement. Consequently, if the device's position deviates significantly from the target position, the terminal block's installation position will also be off, requiring removal and reinstallation. Therefore, existing fixing devices suffer from low installation efficiency and low accuracy.

[0004] The information disclosed in this background section is intended only to enhance the understanding of the overall background of this utility model and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Utility Model Content

[0005] The purpose of this utility model is to provide a terminal fixing device that enables the pre-assembly of the terminal fixing device and the guide rail, thereby improving the accuracy and efficiency of the installation of the terminal fixing device and the guide rail.

[0006] To achieve the above objectives, a specific embodiment of the present invention provides a terminal fixing device, comprising:

[0007] The main body of the device includes a first mounting part and a second mounting part for mounting a guide rail, and the first mounting part and the second mounting part are provided with a sliding structure for the guide rail to slide.

[0008] The locking assembly includes a control element and fasteners movably mounted on the device body, the control element being used to control the locking and unlocking of the fasteners on the device body and the guide rail.

[0009] In one or more embodiments of this utility model, the terminal fixing device includes an unlocked state and a locked state;

[0010] When the terminal fixing device is in the unlocked state, the fastener is separated from the guide rail;

[0011] When the terminal fixing device is in the locked state, the control component and the fastener are connected, the fastener abuts against the guide rail, and the fastener cooperates with the first mounting part and the second mounting part to lock the main body of the device and the guide rail.

[0012] In one or more embodiments of the present invention, the sliding structure includes a first sliding groove provided on a first mounting portion and a second sliding groove provided on a second mounting portion. The first sliding groove is slidably connected to the guide rail, and the second sliding groove is slidably connected to the guide rail. The first sliding groove and the second sliding groove can cooperate to clamp the guide rail.

[0013] In one or more embodiments of the present invention, the fastener includes an abutment portion;

[0014] In the locked state, the abutting part abuts against the guide rail, and the abutting part cooperates with the first mounting part and the second mounting part to clamp and fix the guide rail.

[0015] In one or more embodiments of this utility model, the control component is rotatably mounted on the device body, the control component is threadedly connected to the fastener, and the fastener is movably mounted on the device body.

[0016] In one or more embodiments of the present invention, the device body has a receiving space, and the fastener is at least partially movably installed in the receiving space, and the receiving space is at least partially located in the first mounting part and / or the second mounting part.

[0017] In one or more embodiments of this utility model, a plurality of limiting protrusions are provided on the inner wall of the accommodating space, the fastener includes a limiting portion, and the limiting protrusions are used to abut against the limiting portion; and / or,

[0018] The inner wall of the accommodating space is provided with a plurality of limiting protrusions, and the fastener is provided with a limiting groove. The limiting groove is inserted into the limiting protrusions, and the inner wall of the limiting groove abuts against the limiting protrusions.

[0019] In one or more embodiments of this utility model, the inner upper part of the receiving space is provided with a plug-in portion, the fastener is provided with a plug-in space, and the plug-in portion is plugged into the plug-in space.

[0020] In one or more embodiments of the present invention, the fastener includes a first plate and a second plate disposed opposite to each other, one side of the first plate and the second plate being connected by a side plate, and the top of the first plate and the top of the second plate being connected by a top plate. The accommodating space is provided with an anti-detachment protrusion, which is located above the abutment portion and is used to abut against the bottom of the top plate.

[0021] In one or more embodiments of this utility model, the fastener includes a first plate and a second plate disposed opposite to each other. One side of the first plate and the second plate are connected by a side plate, and the tops of the first plate and the second plate are connected by a top plate. The control component is threadedly connected to the top plate. The first plate has an abutment portion, and the second plate has an abutment portion. Both the abutment portions on the first plate and the second plate are located below the top plate; and / or,

[0022] The control component is a screw or bolt that is rotatably mounted on the main body of the device.

[0023] Compared with the prior art, the terminal fixing device of this utility model achieves pre-assembly of the device body and the guide rail by sliding the sliding structure on the first mounting part and the second mounting part. In the pre-assembled state, the device body can be moved along the guide rail to the target position, and then the locking component can lock the device body at the target position on the guide rail, thus achieving precise installation of the terminal fixing device and the guide rail and improving installation efficiency. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a schematic diagram of the terminal fixing device cooperating with the guide rail in one embodiment of the present invention;

[0026] Figure 2 This is a schematic diagram of the terminal fixing device in one embodiment of the present invention;

[0027] Figure 3 This is a cross-sectional view of the terminal fixing device in one embodiment of the present invention;

[0028] Figure 4 This is a schematic diagram of the fastener structure in one embodiment of the present invention;

[0029] Figure 5This is a schematic diagram showing the cooperation between the terminal fixing device, the wiring terminal, and the guide rail in one embodiment of this utility model.

[0030] Explanation of key figure labels:

[0031] 1. Main body of the device; 11. First mounting part; 12. Second mounting part; 13. Sliding structure; 131. First sliding groove; 132. Second sliding groove; 14. Accommodation space; 15. Limiting protrusion; 16. Insertion part; 161. Anti-detachment protrusion; 2. Locking component; 21. Control component; 22. Fastener; 221. Abutment part; 222. Limiting groove; 223. Limiting part; 224. Insertion space; 225. First plate; 226. Second plate; 227. Side plate; 228. Top plate; 3. Guide rail; 4. Wiring terminal. Detailed Implementation

[0032] To enable those skilled in the art to better understand the technical solutions of this utility model, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0033] like Figures 1-5 As shown, in one embodiment of the present invention, the terminal fixing device includes a device body 1 and a locking component 2. The device body 1 includes a first mounting part 11 and a second mounting part 12 for mounting a guide rail 3. The first mounting part 11 and the second mounting part 12 are provided with a sliding structure 13 for the guide rail 3 to slide. The locking component 2 includes a control member 21 and a fastener 22 movably mounted on the device body 1. The control member 21 and the fastener 22 are connected and movably mounted on the device body 1. The locking component 2 is used to lock and unlock the device body 1 and the guide rail 3.

[0034] It is understandable that, such as Figure 5 As shown, terminal 4 is mounted on a guide rail. The terminal fixing devices of this invention are respectively located at both ends of terminal 4 along the extension direction of the guide rail, thus clamping and fixing terminal 4 onto the guide rail. As stated in the background art...

[0035] The terminal fixing device of this utility model is slidably connected to the guide rail 3 through the sliding structure 13 on the first mounting part 11 and the second mounting part 12, thereby realizing the pre-assembly of the device body 1 and the guide rail 3. In the pre-assembly state, the device body 1 can be moved along the guide rail 3 to the target position, and then the locking component 2 can be used to lock the device body 1 at the target position on the guide rail 3, thereby realizing the precise installation of the terminal fixing device and the guide rail 3 and improving the installation efficiency.

[0036] Specifically, the terminal fixing device includes an unlocked state and a locked state; in the unlocked state, the locking component 2 is separated from the guide rail 3, and the control component 21 and the fastener 22 can be separated, abutted, or connected; in the locked state, the control component 21 and the fastener 22 are connected, the fastener 22 abuts against the guide rail 3, and the fastener 22 cooperates with the first mounting part 11 and the second mounting part 12, locking the main body 1 of the device and the guide rail 3.

[0037] In the unlocked state, the main body 1 can be mounted on the guide rail 3. The main body 1 can then slide relative to the guide rail 3 along its extension direction, allowing for pre-assembly of the terminal fixing device and the guide rail 3. In the locked state, the terminal fixing device and the guide rail 3 are considered to be locked together by the locking component 2.

[0038] Specifically, the sliding structure 13 includes a first sliding groove 131 on the first mounting part 11 and a second sliding groove 132 on the second mounting part 12. The first sliding groove 131 is slidably connected to the guide rail 3, and the second sliding groove 132 is also slidably connected to the guide rail 3. The first sliding groove 131 and the second sliding groove 132 can both slidably connect the guide rail 3 and clamp the guide rail 3, that is, provide a certain clamping force to the guide rail 3 while ensuring that the guide rail 3 and the sliding structure 13 can still slide relative to each other. This design improves the stability of the pre-assembly between the terminal fixing device and the guide rail 3.

[0039] like Figure 2 and 3 As shown, in this embodiment, the fastener 22 is used to lock and unlock the device body 1 and the guide rail 3, and the control component 21 is used to control the fastener 22 to lock and unlock the device body 1 and the guide rail 3.

[0040] Specifically, such as Figures 1-4As shown, the fastener 22 includes an abutment portion 221. In the locked state, the abutment portion 221 abuts against the guide rail 3. The abutment portion 221 cooperates with the first mounting portion 11 and the second mounting portion 12 to clamp and fix the guide rail 3. It can be understood that the control member 21 can control the abutment portion 221 to abut against the guide rail 3, and make the guide rail 3 tightly abut against the first mounting portion 11 and the second mounting portion 12. That is, under the action of the abutment portion 221, the guide rail 3 is clamped and fixed between the abutment portion 221, the first mounting portion 11 and the second mounting portion 12, thereby realizing the locking of the guide rail 3 and the device body 1.

[0041] Specifically, the fastener 22 includes a first plate 225 and a second plate 226 arranged opposite to each other. One side of the first plate 225 and the second plate 226 are connected by a side plate 227, and the top of the first plate 225 and the top of the second plate 226 are connected by a top plate 228. This arrangement can reduce the weight of the fastener 22 and reduce its production cost. In addition, the side plate 227 and the top plate 228 serve to support and connect the first plate 225 and the second plate 226. The first plate 225 and the second plate 226 are spaced apart.

[0042] In this embodiment, the first plate 225 and the second plate 226 are respectively provided with an abutment portion 221. The abutment portions 221 on the first plate 225 and the second plate 226 are both located below the top plate 228. The two abutment portions 221 arranged at intervals can abut against the guide rail 3 more stably.

[0043] Preferably, the control component 21 is rotatably mounted on the device body 1, and the control component 21 is threadedly connected to the fastener 22, which is movably mounted on the device body 1. By rotating the control component 21, the fastener 22 can be controlled to move linearly on the device body 1 (i.e., move along the axial direction of the control component 21), thereby causing the abutment portion 221 on the fastener 22 to move closer to or away from the guide rail 3, thus switching the terminal fixing device between a locked state and an unlocked state.

[0044] Specifically, in this embodiment, the control component can be a screw or a bolt, and the fastener 22 can be provided with a threaded hole that is threaded to the screw or bolt. The threaded hole can be provided on the top plate 228.

[0045] In other embodiments, the control element 21 may also be a bolt or other screw-like component rotatably mounted on the device body 1.

[0046] Furthermore, the main body 1 of the device has a receiving space 14, and at least part of the fastener 22 is movably installed within the receiving space 14, with the fastener 22 abutting against the inner wall of the receiving space 14. The receiving space 14 serves to accommodate at least part of the fastener 22, thereby minimizing the risk of accidental contact with the fastener 22 in the locked state, which could lead to locking failure. Since the control member 21 and the fastener 22 are threadedly connected, the abutment between the fastener 22 and the inner wall of the receiving space 14 restricts the rotation of the fastener 22 during the rotation of the control member 21. This allows the fastener 22 to move axially along the control member 21 during rotation, thereby controlling whether the abutting portion 21 of the fastener 22 abuts against or separates from the guide rail 3. Figure 2 and 3 As shown, in this embodiment, at least a portion of the accommodating space 14 is provided on the first mounting portion 11.

[0047] In other embodiments, the accommodating space 14 is at least partially located within the first mounting portion 11 and the second mounting portion 12. That is, each of the first mounting portion 11 and the second mounting portion 12 is provided with a fastener 22. In other words, the main body 1 of the device is provided with two locking components 2, which are arranged opposite to each other, thereby locking the guide rail 3 on both sides of the guide rail 3.

[0048] Specifically, in this embodiment, a plurality of limiting protrusions 15 are provided on the inner wall of the receiving space 14, and the fastener 22 includes a limiting part 223, with the limiting protrusions 15 abutting against the limiting part 223. The cooperation between the limiting protrusions 15 and the limiting part 223 serves to prevent the fastener 22 from moving out of the receiving space 14.

[0049] Furthermore, the fastener 22 is provided with a limiting groove 222, and the limiting protrusion 15 is used to abut against the inner wall of the limiting groove 222. The cooperation between the limiting protrusion 15 and the limiting groove 222 serves to prevent the fastener 22 from moving out of the receiving space 14. That is, both the limiting groove 222 and the limiting part 223 can abut against the limiting protrusion 15.

[0050] In other embodiments, the fastener 22 may have only one of a limiting groove 222 and a limiting portion 223, which are used to abut against the limiting protrusion 15.

[0051] In this embodiment, both the first plate 225 and the second plate 226 are provided with limiting grooves 222 and limiting parts 223.

[0052] In other embodiments, only one of the first plate 225 and the second plate 226 may have a limiting groove 222 and / or a limiting portion 223.

[0053] As shown in the figure, in this embodiment, the inner upper part of the accommodating space 14 is provided with a plug-in portion 16, and the fastener 22 is provided with a plug-in space 224 for plugging into the plug-in portion 16. The plug-in portion 16 abuts against the inner wall of the plug-in space 224; this arrangement further restricts the rotation of the fastener 22. The plug-in space 224 is the space between the first plate 225 and the second plate 226.

[0054] The accommodating space 14 is provided with an anti-detachment protrusion 161. In this embodiment, the anti-detachment protrusion 161 is located on the insertion part 16, above the abutment part 221, and abuts against the bottom of the top plate 228. When the terminal fixing device is installed on the slide rail 3, the top plate 228 of the fastener 22 and the anti-detachment protrusion 161 can abut or separate. When the terminal fixing device needs to be removed from the slide rail 3, first loosen the control member 21 to separate or abut the control member 21 from the fastener 22, thereby separating the abutment part 221 on the fastener 22 from the guide rail 3. Then, use an auxiliary tool (such as a screwdriver) to pry the side plate 227 of the fastener 22, so that the fastener 22 and the first mounting part 11 or the second mounting part 12 that accommodates the fastener 22 move together, thereby moving the guide rail. 3. Disconnect from the first mounting part 11 or the second mounting part 12, and then disconnect the guide rail 3 from the other of the first mounting part 11 and the second mounting part 12; When prying the fastener 22, the fastener 22 may tilt under the prying of the auxiliary tool, causing the fastener 22 to detach from the first mounting part 11 or the second mounting part 12. At this time, the anti-detachment protrusion 161 can abut against the top plate 228 of the fastener 22 when the fastener 22 is pried and tilted by the auxiliary tool, thereby preventing the fastener 22 from falling off due to excessive tilt angle. The anti-detachment protrusion 161 plays the role of preventing the fastener 22 from falling off.

[0055] The assembly process of the terminal block 4, the guide rail 3, and the terminal fixing device of this utility model will be described below:

[0056] First, install the main body 1 of the first terminal fixing device on the guide rail 3, that is, the guide rail 3 is slidably connected to the first slide groove 131 and the second slide groove 132 respectively. Then, adjust the position of the main body 1 on the guide rail 3, that is, slide the main body 1 on the guide rail 3 to the target position to realize the pre-assembly of the terminal fixing device and the guide rail 3.

[0057] Rotate the control component 21. Under the action of the control component 21, the fastener 22 moves on the main body 1 of the device. The abutment part 221 abuts and tightens against the guide rail 3, and the guide rail 3 abuts tightly against the first mounting part 11 and the second mounting part 12. That is, under the action of the abutment part 221, the guide rail 3 is clamped and fixed between the abutment part 221, the first mounting part 11 and the second mounting part 12, thereby realizing the locking of the guide rail 3 and the main body 1 of the device. The installation of the first terminal fixing device is completed.

[0058] Install terminal 4 on the guide rail and slide it along the guide rail so that one end of terminal 4 abuts against the terminal fixing device installed on the guide rail.

[0059] Install the main body 1 of the second terminal fixing device on the guide rail 3, that is, slide the guide rail 3 to the first slide groove 131 and the second slide groove 132 respectively. Then adjust the position of the main body 1 on the guide rail 3, that is, slide the main body 1 on the guide rail 3 so that the main body 1 abuts against the other end of the terminal 4.

[0060] Rotate the control member 21 of the second terminal fixing device. Under the action of the control member 21, the fastener 22 moves on the device body 1. The abutment part 221 abuts and tightens against the guide rail 3, and the guide rail 3 abuts tightly against the first mounting part 11 and the second mounting part 12. That is, under the action of the abutment part 221, the guide rail 3 is clamped and fixed between the abutment part 221, the first mounting part 11 and the second mounting part 12, thereby realizing the locking of the guide rail 3 and the device body 1. The installation of the second terminal fixing device is completed.

[0061] Two terminal fixing devices clamp and fix the wiring terminal 4 to the guide rail 3.

[0062] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0063] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A terminal fixing device, characterized in that, include: The main body of the device includes a first mounting part and a second mounting part for mounting a guide rail, and the first mounting part and the second mounting part are provided with a sliding structure for the guide rail to slide. The locking assembly includes a control element and fasteners movably mounted on the device body, the control element being used to control the locking and unlocking of the fasteners on the device body and the guide rail.

2. The terminal fixing device according to claim 1, characterized in that, The terminal fixing device includes an unlocked state and a locked state; When the terminal fixing device is in the unlocked state, the fastener is separated from the guide rail; When the terminal fixing device is in the locked state, the control component and the fastener are connected, the fastener abuts against the guide rail, and the fastener cooperates with the first mounting part and the second mounting part to lock the main body of the device and the guide rail.

3. The terminal fixing device according to claim 1, characterized in that, The sliding structure includes a first sliding groove on a first mounting part and a second sliding groove on a second mounting part. The first sliding groove is slidably connected to the guide rail, and the second sliding groove is slidably connected to the guide rail. The first sliding groove and the second sliding groove can cooperate to clamp the guide rail.

4. The terminal fixing device according to claim 2, characterized in that, The fastener includes an abutment portion; In the locked state, the abutting part abuts against the guide rail, and the abutting part cooperates with the first mounting part and the second mounting part to clamp and fix the guide rail.

5. The terminal fixing device according to claim 4, characterized in that, The control component is rotatably mounted on the main body of the device, and the control component is threadedly connected to the fastener, which is movably mounted on the main body of the device.

6. The terminal fixing device according to claim 5, characterized in that, The device body has a receiving space, and at least part of the fastener is movably installed in the receiving space. The receiving space is at least partially located in the first mounting part and / or the second mounting part.

7. The terminal fixing device according to claim 6, characterized in that, The inner wall of the accommodating space is provided with a plurality of limiting protrusions, and the fastener includes a limiting portion, wherein the limiting protrusions are used to abut against the limiting portion; and / or, The inner wall of the accommodating space is provided with a plurality of limiting protrusions, and the fastener is provided with a limiting groove. The limiting groove is inserted into the limiting protrusions, and the inner wall of the limiting groove abuts against the limiting protrusions.

8. The terminal fixing device according to claim 6, characterized in that, The inner upper part of the accommodating space is provided with a plug-in part, and the fastener is provided with a plug-in space, and the plug-in part is plugged into the plug-in space.

9. The terminal fixing device according to claim 6, characterized in that, The fastener includes a first plate and a second plate disposed opposite to each other. One side of the first plate and the second plate are connected by a side plate, and the top of the first plate and the top of the second plate are connected by a top plate. The receiving space is provided with an anti-detachment protrusion, which is located above the abutment portion and is used to abut against the bottom of the top plate.

10. The terminal fixing device according to claim 5, characterized in that, The fastener includes a first plate and a second plate disposed opposite to each other. One side of the first plate and the second plate are connected by a side plate, and the tops of the first plate and the second plate are connected by a top plate. The control component is threadedly connected to the top plate. The first plate has an abutment portion, and the second plate has an abutment portion. Both the abutment portions on the first plate and the second plate are located below the top plate; and / or, The control component is a screw or bolt that is rotatably mounted on the main body of the device.

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