A terminal fixing device for an electrical cabinet

Abstract

The utility model discloses a terminal fixing device for an electrical cabinet, comprising a terminal block, the terminal block being screwed to a side wall of the electrical cabinet, at least one terminal opening being fixedly embedded on the front face of the terminal block, a clamping assembly being provided on the lower side of the terminal block with the same number of the terminal openings, and a protective cover being hinged on one side of the terminal block with the same number of the terminal openings, wherein terminal plugs are clamped between adjacent terminal openings and the protective cover, a transmission line is fixed to the terminal plug, and one end of the transmission line passes through the protective cover, after the terminal plug is plugged into the terminal opening face to face, the transmission line is located in a wire threading groove, when the protective cover is closed, when the lower end face of the protective cover contacts with the slope face, the locking plate can be squeezed to lift upward, until the locking plate is completely face to the locking groove, under the elastic force of the spring, the locking plate will be embedded in the locking groove, so that the protective cover cannot move, and the terminal plug is clamped and limited between the terminal opening and the protective cover, and will not slip or shift.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical cabinets, in particular to a terminal fixing device for an electrical cabinet. Background Art

[0002] Terminal block means an insulating component that carries multiple or multiple groups of mutually insulated terminal components and is used to fix the supporting parts. The function of the terminal block is to connect the lines of the equipment inside the screen and the equipment outside the screen, and play the role of signal (current and voltage) transmission. With the terminal block, the wiring is beautiful and the maintenance is convenient. When connecting long-distance lines, it is mainly reliable, and the construction and maintenance are convenient. A wiring position of the terminal block is 1 "position". Usually, these serial numbers have different definitions in different application occasions;

[0003] Chinese patent announcement number CN212303958U discloses a novel terminal fixing device for an electrical cabinet, which fixes the cables to be connected from the incoming end and the outgoing end respectively by fixing bolts. However, the above-mentioned technical wiring method requires a screwing operation. Over-tightening will damage the power connection structure, and over-tightening will easily cause it to fall off by accident, making it difficult to ensure the safety of electricity use in the electrical cabinet. In addition, tools are required for tightening operations, which is inconvenient to fix. Therefore, the present invention provides an electrical cabinet terminal fixing device for solving the above-mentioned problems. Utility Model Content

[0004] The utility model provides an electrical cabinet terminal fixing device, which solves the technical problems that the wiring method of the traditional electrical cabinet terminal fixing device requires a screwing operation, over-tightening may damage the power connection structure, and over-loosening may easily cause the terminal to fall off by accident, making it difficult to ensure the power safety of the electrical cabinet, and the terminal needs to be tightened with the help of tools, resulting in inconvenient fixing.

[0005] In order to solve the above technical problems, the utility model provides an electrical cabinet terminal fixing device, including a terminal block, the terminal block is screwed to the side wall of the electrical cabinet, at least one terminal port is fixedly embedded in the front of the terminal block, a clamping assembly with the same number of terminal ports is arranged on the lower side of the terminal block, and a protective cover with the same number of terminal ports is hinged on one side of the terminal block, wherein terminal plugs are clamped between adjacent terminal ports and protective covers, a transmission line is fixed to the terminal plug, and one end of the transmission line passes through the protective cover.

[0006] Preferably, the snap-on assembly includes a sliding cavity located inside the terminal row, a limit plate is slidably embedded in the sliding cavity, a spring is fixedly connected between the limit plate and the top wall of the sliding cavity, a locking plate is fixedly connected to the lower side of the limit plate, a contact is fixedly connected to the lower middle side of the locking plate, and sloped surfaces are provided on both sides of the contact and on the locking plate.

[0007] Preferably, a wire threading groove is provided in the middle of the bottom side end surface of the protective cover, and locking grooves are provided on both sides of the bottom end of the wire threading groove.

[0008] Preferably, the terminal plug is inserted into one side of the terminal port, and the width of the terminal plug is greater than the width of the wire threading groove.

[0009] Preferably, the top projection size of the locking plate is consistent with the size of the locking groove, and the width of the contact is smaller than the width of the threading groove.

[0010] Preferably, connection plates are fixedly connected to the four corners of the terminal row, and connection holes are provided on the connection plates.

[0011] Compared with the related art, the terminal fixing device of an electrical cabinet provided by the utility model has the following beneficial effects:

[0012] The utility model discloses a terminal fixing device for an electrical cabinet. After the terminal plug is plugged into the terminal opening, the transmission line is located in the wire threading groove. When the protective cover is closed, when the lower end surface of the protective cover contacts the slope surface, the locking plate can be squeezed and lifted upward until the locking plate and the locking groove are completely aligned. Under the elastic force of the spring, the locking plate will be embedded in the locking groove, so that the protective cover cannot move. The terminal plug is clamped and limited between the terminal opening and the protective cover and will not slip or shift. The contact can be pressed to unlock the device. The fixing operation can be completed without the aid of tools, and the terminal plug can be conveniently and quickly disassembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a three-dimensional structural diagram of a terminal fixing device for an electrical cabinet according to the utility model;

[0014] Figure 2 This is a side sectional view of a terminal fixing device for an electrical cabinet according to the utility model;

[0015] Figure 3 This is a three-dimensional structural diagram of a protective cover in a terminal fixing device for an electrical cabinet according to the utility model;

[0016] Figure 4 The utility model is a structural schematic diagram of a clamping assembly in a terminal fixing device of an electrical cabinet.

[0017] Numbers in the figure: 1. Terminal block; 11. Connecting plate; 12. Connecting hole; 2. Terminal port; 3. Snap-fit ​​assembly; 31. Sliding cavity; 32. Limiting plate; 33. Spring; 34. Locking plate; 35. Contact; 36. Slope surface; 4. Protective cover; 41. Wire threading groove; 42. Locking groove; 5. Terminal plug; 6. Transmission line. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] Example: By Figure 1-4 The utility model provides an electrical cabinet terminal fixing device, comprising a terminal block 1, wherein the terminal block 1 is fixed to the side wall of the electrical cabinet by screws, and the four corners of the terminal block 1 are fixedly connected with connecting plates 11, and the connecting plates 11 are provided with connecting holes 12;

[0020] Specifically, the bolts are passed through the connection holes 12 and the reserved holes on the electrical cabinet and then connected with nuts, so that the terminal block 1 and the electrical cabinet can be screwed and fixed into an integrated structure.

[0021] Furthermore, a protective cover 4 having the same number as the terminal openings 2 is hingedly connected to one side of the terminal block 1, a threading groove 41 is provided in the middle of the bottom end surface of the protective cover 4, and locking grooves 42 are provided on both sides of the bottom end of the threading groove 41;

[0022] Specifically, the transmission line 6 can pass through the wire groove 41 to achieve signal transmission. Preferably, the protective cover 4 is made of a transparent plastic material for easy observation.

[0023] Furthermore, a terminal plug 5 is clamped between the adjacent terminal ports 2 and the protective cover 4, the terminal plug 5 is fixed with a transmission line 6, and one end of the transmission line 6 passes through the protective cover 4, the terminal plug 5 is plugged into one side of the terminal port 2, and the width of the terminal plug 5 is greater than the width of the threading groove 41;

[0024] Specifically, the terminal opening 2 serves to limit the vertical plane position of the terminal plug 5 , and the terminal plug 5 can be blocked by the protective cover 4 and will not move forward or backward, thereby ensuring the safety of power connection.

[0025] Further, at least one terminal port 2 is fixedly embedded on the front of the terminal block 1, and a clamping assembly 3 having the same number as the terminal ports 2 is arranged on the lower side of the terminal block 1, and the clamping assembly 3 includes a sliding cavity 31 located inside the terminal block 1, and a limit plate 32 is slidably embedded in the sliding cavity 31, and a spring 33 is fixedly connected between the limit plate 32 and the top wall of the sliding cavity 31, and a locking plate 34 is fixedly connected to the lower side of the limit plate 32, and a contact 35 is fixedly connected to the lower middle side of the locking plate 34, and slope surfaces 36 are provided on both sides of the contact 35 and on the locking plate 34;

[0026] Specifically, the protective cover 4 is pressed down and closed, and the lower end surface of the protective cover 4 contacts the slope surface 36, which can squeeze the locking plate 34 to lift it upward until the locking plate 34 is completely aligned with the locking groove 42. Under the elastic force of the spring 33, the locking plate 34 will be embedded in the locking groove 42.

[0027] Furthermore, the top projection size of the locking plate 34 is consistent with the size of the locking groove 42, and the width of the contact 35 is smaller than the width of the threading groove 41;

[0028] Specifically, the locking plate 34 is embedded in the locking groove 42 to prevent the protective cover 4 from moving. Pressing the contact 35 can move the locking plate 34 upward and out of the locking groove 42, so that the protective cover 4 can be opened.

[0029] Working principle: When using this device, open the protective cover 4, plug the terminal plug 5 into the terminal port 2, then press the protective cover 4 down to close it, and the lower end surface of the protective cover 4 contacts the slope surface 36, which can squeeze the locking plate 34 to lift it upward until the locking plate 34 is completely aligned with the locking groove 42. Under the elastic force of the spring 33, the locking plate 34 will be embedded in the locking groove 42, making the protective cover 4 unable to move, and the terminal plug 5 is clamped and limited between the terminal port 2 and the protective cover 4, and will not slip or shift, thereby ensuring the safety of the electrical cabinet. When the terminal plug 5 needs to be unplugged, press the contact 35 to disengage the locking plate 34 from the locking groove 42, and then the protective cover 4 can be opened.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A terminal fixing device for an electrical cabinet, comprising a terminal block (1), wherein the terminal block (1) is screwed to a side wall of the electrical cabinet, characterized in that: At least one terminal opening (2) is fixedly embedded on the front of the terminal block (1), a number of snap-in components (3) equal to the number of terminal openings (2) is arranged on the lower side of the terminal block (1), and a number of protective covers (4) equal to the number of terminal openings (2) is hingedly connected to one side of the terminal block (1), wherein terminal plugs (5) are clamped between adjacent terminal openings (2) and protective covers (4), a transmission line (6) is fixed to the terminal plugs (5), and one end of the transmission line (6) passes through the protective cover (4).

2. The terminal fixing device of an electrical cabinet according to claim 1, characterized in that: The snap-on assembly (3) comprises a sliding cavity (31) located inside the terminal block (1), a limit plate (32) is slidably embedded in the sliding cavity (31), a spring (33) is fixedly connected between the limit plate (32) and the top wall of the sliding cavity (31), a locking plate (34) is fixedly connected to the lower side of the limit plate (32), a contact (35) is fixedly connected to the lower middle side of the locking plate (34), and slope surfaces (36) are provided on both sides of the contact (35) and on the locking plate (34).

3. The terminal fixing device of an electrical cabinet according to claim 2, characterized in that: A threading groove (41) is provided in the middle of the bottom side end surface of the protection cover (4), and locking grooves (42) are provided on both sides of the bottom end of the threading groove (41).

4. The terminal fixing device of an electrical cabinet according to claim 3, characterized in that: The terminal plug (5) is plugged into one side of the terminal opening (2), and the width of the terminal plug (5) is greater than the width of the wire threading groove (41).

5. The terminal fixing device for an electrical cabinet according to claim 4, characterized in that: The top projection size of the locking plate (34) is consistent with the size of the locking groove (42), and the width of the contact (35) is smaller than the width of the threading groove (41).

6. The terminal fixing device for an electrical cabinet according to claim 1, characterized in that: The four corners of the terminal row (1) are fixedly connected to connecting plates (11), and the connecting plates (11) are provided with connecting holes (12).

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