A portable PLC programming device with high stability

Abstract

This invention discloses a novel portable PLC programming device with high stability. It includes a button on the surface of the device body, a connecting line on one side of the device body, and a stabilizing device on the side of the device body near the connecting line. The stabilizing device includes two fixing blocks, both of which are fixedly connected to the surface of the device body. Hollow blocks are fixedly connected to both sides of the connecting line, and the fixing blocks engage with the inner walls of the hollow blocks. A sliding hole is formed on the surface of the hollow block, and a locking block is slidably connected to the inner wall of the sliding hole. The locking block has a rectangular cross-section, and a locking groove is formed on the surface of the fixing block, engaging with the inner wall of the locking groove. By incorporating the stabilizing device, the connection points of the device can be reinforced, effectively reducing the likelihood of loosening or detachment under external force, and reducing the risk of wear and instability caused by prolonged removal of the device, thereby improving the overall stability of the device.

Description

Technical Field

[0001] This invention relates to the field of PLC programming technology, specifically to a highly stable portable PLC programming device. Background Technology

[0002] A programmable logic controller (PLC) is a digital electronic system specifically designed for industrial applications. It employs a programmable memory to store instructions for performing logical operations, sequential control, timing, counting, and arithmetic operations. Through digital or analog inputs and outputs, it controls various types of machinery or production processes. Microprocessors, used for automation control, can load control instructions into memory for storage and execution. A PLC consists of a CPU, instruction and data memory, input / output interfaces, power supply, and digital-to-analog converters. Early PLCs only had logic control functions, hence the name. Later, with continuous development, these initially simple computer modules have evolved to include various functions such as logic control, timing control, analog control, and multi-machine communication.

[0003] Programming is the process of using a programming language to write program code in order to achieve a certain purpose or solve a certain problem with the help of a computer, and finally obtain the result.

[0004] However, existing processing equipment has the following shortcomings:

[0005] When using existing portable programmers, such as CN214954776U, to program software, one must hold the compiler with one hand, press the protective plate to disengage the slot, rotate the display screen, and connect the USB connector to the external device. However, the device currently has some issues. When connecting cables, the connection points are easily subjected to external force, causing them to loosen or detach. Prolonged plugging and unplugging can also cause wear on the connectors, leading to unstable connections later. These issues require improvement.

[0006] Therefore, we propose a highly stable portable PLC programming device to solve the problems mentioned above. Summary of the Invention

[0007] The purpose of this invention is to provide a highly stable portable PLC programming device. A hollow block is fitted into a fixed block. Pushing a control rod causes the control rod to move a moving rod and a retaining ring. The first spring deforms under force, generating elastic force. The retaining ring loses its restraint on a groove on the surface of the limit frame, pushing the push rod and the retaining block. When the retaining block is inserted into a slot on the surface of the fixed block, the control rod is released, the first spring releases its elastic force, and the retaining ring is inserted into the corresponding slot on the surface of the limit frame, thus solving the problems mentioned in the background art.

[0008] To achieve the above objectives, the present invention provides the following technical solution: a portable PLC programming device with high stability, comprising a button on the surface of the body, a connecting line on one side of the body, and a stabilizing device on the side of the body near the connecting line;

[0009] Preferably, the stabilizing device includes two fixing blocks, which are fixedly connected to the surface of the machine body. Hollow blocks are fixedly connected to both sides of the connecting line, and the fixing blocks are engaged with the inner walls of the hollow blocks. A sliding hole is formed on the surface of the hollow block, and a locking block is slidably connected to the inner wall of the sliding hole. The locking block has a rectangular cross-section, and a locking groove is formed on the surface of the fixing block. The locking block is engaged with the inner wall of the locking groove. By setting the locking block, the hollow blocks can be bound in the fixing blocks, which facilitates the reinforcement of the equipment connection and effectively reduces the phenomenon of instability and loosening when the equipment connection is dragged by external force.

[0010] Preferably, the surface of the card block has two holes, the inner wall of the hole is slidably connected to a moving rod, the surface of the moving rod is fixedly connected to a retaining ring, and the side of the hollow block near the retaining ring is fixedly connected to a limiting frame. The surface of the limiting frame has two grooves, and the retaining ring engages with the inner wall of the grooves. By using the retaining ring in conjunction with the two grooves on the surface of the limiting frame, the card block can be restricted, which facilitates the adjustment of the equipment.

[0011] Preferably, a control rod is fixedly connected to one end of the movable rod. The cross-section of the control rod is in the shape of a straight groove. By setting the control rod, it is easy to control the movement of the movable rod and the retaining ring, and it is easy to make adjustments.

[0012] Preferably, a first spring is sleeved on the surface of the moving rod, and the two ends of the first spring are fixedly connected to the surfaces of the locking block and the locking ring, respectively. By setting the first spring, it is convenient to control the locking ring and the moving rod to reset, and at the same time, the binding effect of the locking ring is improved.

[0013] Preferably, a charging port is provided on one side surface of the body, and a protective device is provided on the side of the body near the charging port. The protective device includes two hollow sleeves, which are fixedly connected to the surface of the body. A protective cover is slidably connected to the inner wall of the hollow sleeve, and two fixing rods are fixedly connected to the surface of the protective cover. A locking rod is rotatably connected to the surface of the fixing rods. An annular groove is formed on the surface of the hollow sleeve, and the locking rod engages with the inner wall of the annular groove. By using the locking rod in conjunction with the annular groove on the surface of the hollow sleeve, the protective cover can be restricted, which facilitates the protective cover to protect the charging port and reduces the possibility of dust entering the charging area of ​​the device, causing poor contact and affecting charging.

[0014] Preferably, a second spring is fixedly connected to one side of the protective cover corresponding to the inner wall of the hollow sleeve. There are two second springs. A third spring is sleeved on the surface of the fixing rod. The two ends of the third spring are fixedly connected to the surfaces of the fixing rod and the locking rod, respectively. By setting the second spring, it is convenient to control the protective cover to reset, and at the same time, the binding effect of the protective cover is improved.

[0015] Preferably, a push rod is fixedly connected to the surface of the clamping rod. The push rod is cylindrical and allows for easy control of the clamping rod's rotation, facilitating equipment adjustment.

[0016] Preferably, a wire-binding device is provided on one side surface of the machine body. There are two wire-binding devices, each including a placement block. The placement block is fixedly connected to the surface of the machine body. A positioning rod is fixedly connected to the surface of the placement block. A clamping block is rotatably connected to the surface of the positioning rod. A connecting rod is fixedly connected to the surface of the clamping block. A restraining rod is rotatably connected to the surface of the connecting rod. A limiting rod is fixedly connected to the surface of the placement block. The restraining rod engages with the limiting rod. By cooperating with the limiting rod, the placement block and the clamping block can clamp and bundle the wires, making it easy to carry and reducing the inconvenience of collecting and carrying the wires.

[0017] Preferably, a fourth spring is sleeved on the surface of the positioning rod, and the two ends of the fourth spring are fixedly connected to the surfaces of the positioning rod and the clamping block, respectively. By setting the fourth spring, it is convenient to control the clamping block to reset and improve the stability when the clamping block is opened.

[0018] Preferably, a fifth spring is sleeved on the surface of the connecting rod, and the two ends of the fifth spring are fixedly connected to the surfaces of the connecting rod and the restraining rod, respectively. By setting the fifth spring, it is convenient to control the restraining rod to reset, and at the same time, the restraining effect of the restraining rod is improved.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] 1. This invention, by setting up a stabilizing device, allows for connection when the equipment is needed. The connecting cable is lowered for connection, a hollow block is fitted into a fixed block, and a control lever is pushed. The control lever moves the moving rod and the retaining ring, causing the first spring to deform and generate elastic force. The retaining ring loses its restraint on a groove on the surface of the limiting frame, pushing the push rod and the retaining block. When the retaining block is inserted into a slot on the surface of the fixed block, the control lever is released, the first spring releases its elastic force, and the retaining ring is inserted into the corresponding slot on the surface of the limiting frame, thus completing the use. By setting up a stabilizing device, the connection points of the equipment are easily reinforced, effectively reducing the likelihood of loosening or detachment due to external forces. It also reduces the risk of wear and tear caused by prolonged removal of the equipment, leading to unstable connections, thereby improving the overall stability of the equipment.

[0021] 2. This invention, by setting up a protective device, allows for the protection of the charging port of the device when protection is needed. Pushing the protective cover within the hollow sleeve causes the second spring to deform and generate elastic force. When the protective cover completely blocks the charging port, the third spring releases its elastic force, causing the locking rod to rotate and reset within the fixed rod. The locking rod can then be inserted into the annular groove on the surface of the hollow sleeve, thus completing the protection. By setting up this protective device, the charging area of ​​the device can be easily protected, effectively reducing the phenomenon of dust entering the charging area and minimizing the impact of dust accumulation on poor contact and charging, thereby improving the overall protection of the device.

[0022] 3. This invention, by setting up a wire-binding device, allows for the bundling of wires within the device. The wires are placed in the placement block, and the binding rod is rotated in the connecting rod, causing the fifth spring to deform and generate elastic force. Similarly, the clamping block is rotated in the positioning rod, causing the fourth spring to deform and generate elastic force. When the clamping block, in conjunction with the placement block, clamps the wires, the binding rod is released, the fifth spring releases its elastic force, and the binding rod abuts against the surface of the limiting rod, thus completing the use of the device. By setting up the wire-binding device, it facilitates the bundling of wires within the device, effectively reducing the difficulty of collecting wires when carrying the device, minimizing inconvenience, and improving the overall usability of the device. Attached Figure Description

[0023] Figure 1 This is a perspective view of the main structure of a portable PLC programming device with high stability according to the present invention.

[0024] Figure 2 This is a side view of the three-dimensional structure of a portable PLC programming device with high stability according to the present invention;

[0025] Figure 3 This is a perspective view of the stabilization device structure in a portable PLC programming device with high stability according to the present invention;

[0026] Figure 4This invention provides a highly stable portable PLC programming device. Figure 4 Enlarged 3D view of the structure at point A in the middle;

[0027] Figure 5 This is a partial three-dimensional view of the stabilization device in a portable PLC programming device with high stability according to the present invention;

[0028] Figure 6 This is a three-dimensional structural view of the protective device in a portable PLC programming device with high stability according to the present invention;

[0029] Figure 7 This invention provides a highly stable portable PLC programming device. Figure 6 Enlarged 3D view of the structure at point B in the middle;

[0030] Figure 8 This is a perspective view of the wire harness structure in a portable PLC programming device with high stability according to the present invention.

[0031] Figure 9 This invention provides a highly stable portable PLC programming device. Figure 8 Enlarged 3D view of the structure at point C.

[0032] In the diagram: 1. Body; 2. Connecting wire; 3. Button; 4. Stabilizing device; 41. Hollow block; 42. Fixing block; 43. Control rod; 44. Locking block; 45. Limiting frame; 46. Moving rod; 47. Locking ring; 48. First spring; 5. Protective device; 51. Hollow sleeve; 52. Protective cover; 53. Fixing rod; 54. Locking rod; 55. Second spring; 56. Push rod; 57. Third spring; 6. Cable harness device; 61. Placement block; 62. Clamping block; 63. Positioning rod; 64. Fourth spring; 65. Limiting rod; 66. Restraining rod; 67. Connecting rod; 68. Fifth spring. Detailed Implementation

[0033] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0034] Please see Figure 1-9As shown, the present invention provides a technical solution: a portable PLC programming device with high stability, including a button 3 on the surface of the body 1, a connecting line 2 on one side of the body 1, and a stabilizing device 4 on the side of the body 1 near the connecting line 2. By setting the stabilizing device 4, when the device needs to be used, the connecting line 2 is lowered for connection, the hollow block 41 is fitted into the fixed block 42, and the control rod 43 is pushed. The control rod 43 drives the moving rod 46 and the retaining ring 47 to move. The first spring 48 is deformed under force to generate elastic force, and the retaining ring 47 loses its position on the limit frame. The confinement of a groove on the surface of the 45 pushes the push rod 56 and the locking block 44. When the locking block 44 is inserted into the slot on the surface of the fixing block 42, the control rod 43 is released, the first spring 48 releases its elastic force, and drives the retaining ring 47 to be inserted into the corresponding slot on the surface of the limit frame 45, thus completing the use. By setting the stabilizing device 4, it is easy to reinforce the connection of the equipment, which can effectively reduce the phenomenon that the connection of the equipment is prone to loosening and separation under external force, reduce the situation that the equipment is prone to wear and unstable connection due to long-term pulling out, and thus improve the overall stability of the equipment.

[0035] according to Figure 3 and Figure 4 , Figure 5 As shown, the stabilizing device 4 includes two fixing blocks 42, which are fixedly connected to the surface of the body 1. Hollow blocks 41 are fixedly connected to both sides of the connecting line 2. The fixing blocks 42 are engaged with the inner walls of the hollow blocks 41. A sliding hole is provided on the surface of the hollow block 41, and a locking block 44 is slidably connected to the inner wall of the sliding hole. The cross-section of the locking block 44 is rectangular. A slot is provided on the surface of the fixing block 42, and the locking block 44 is engaged with the inner wall of the slot. By setting the locking block 44, the hollow block 41 can be bound in the fixing block 42, which facilitates the reinforcement of the equipment connection and effectively reduces the phenomenon of instability and loosening when the equipment connection is dragged by external force.

[0036] according to Figure 4-5 As shown, the surface of the locking block 44 has two holes, and the inner wall of the hole is slidably connected to a moving rod 46. The surface of the moving rod 46 is fixedly connected to a retaining ring 47. The side surface of the hollow block 41 near the retaining ring 47 is fixedly connected to a limiting frame 45. The surface of the limiting frame 45 has two grooves, and the retaining ring 47 engages with the inner wall of the grooves. By using the retaining ring 47 in conjunction with the two grooves on the surface of the limiting frame 45, the locking block 44 can be restricted, which facilitates the adjustment of the equipment.

[0037] according to Figure 4-5 As shown, a control rod 43 is fixedly connected to one end of the moving rod 46. The cross-section of the control rod 43 is in the shape of a straight groove. By setting the control rod 43, it is easy to control the movement of the moving rod 46 and the retaining ring 47, and it is easy to make adjustments.

[0038] according to Figure 4-5 As shown, a first spring 48 is sleeved on the surface of the moving rod 46. The two ends of the first spring 48 are fixedly connected to the surfaces of the locking block 44 and the locking ring 47, respectively. By setting the first spring 48, it is easy to control the locking ring 47 and the moving rod 46 to reset, and at the same time, the binding effect of the locking ring 47 is improved.

[0039] according to Figure 6-7 As shown, a charging port is provided on one side surface of the body 1. A protective device 5 is provided on the side of the body 1 near the charging port. The protective device 5 includes a hollow sleeve 51, and there are two hollow sleeves 51. The hollow sleeves 51 are fixedly connected to the surface of the body 1. A protective cover 52 is slidably connected to the inner wall of the hollow sleeve 51. Two fixing rods 53 are fixedly connected to the surface of the protective cover 52. A locking rod 54 is rotatably connected to the surface of the fixing rods 53. An annular groove is opened on the surface of the hollow sleeve 51. The locking rod 54 engages with the inner wall of the annular groove. By cooperating with the annular groove on the surface of the hollow sleeve 51, the protective cover 52 can be restricted, which facilitates the protective cover 52 to protect the charging port and reduces the possibility of dust entering the charging port, causing poor contact and affecting charging.

[0040] according to Figure 7 As shown, a second spring 55 is fixedly connected to one side of the protective cover 52 corresponding to the inner wall of the hollow sleeve 51. There are two second springs 55. A third spring 57 is sleeved on the surface of the fixing rod 53. The two ends of the third spring 57 are fixedly connected to the surfaces of the fixing rod 53 and the locking rod 54, respectively. By setting the second spring 55, it is convenient to control the protective cover 52 to reset, and at the same time improve the binding effect of the protective cover 52.

[0041] according to Figure 6-7 As shown, a push rod 56 is fixedly connected to the surface of the clamp 54. The push rod 56 is cylindrical. By setting the push rod 56, it is easy to control the rotation of the clamp 54 and facilitate the adjustment of the equipment.

[0042] according to Figure 8-9 As shown, a cable bundling device 6 is provided on one side surface of the body 1. There are two cable bundling devices 6, each including a placement block 61. The placement block 61 is fixedly connected to the surface of the body 1. A positioning rod 63 is fixedly connected to the surface of the placement block 61. A clamping block 62 is rotatably connected to the surface of the positioning rod 63. A connecting rod 67 is fixedly connected to the surface of the clamping block 62. A restraining rod 66 is rotatably connected to the surface of the connecting rod 67. A limiting rod 65 is fixedly connected to the surface of the placement block 61. The restraining rod 66 engages with the surface of the limiting rod 65. By cooperating with the limiting rod 65, the placement block 61 and the clamping block 62 can clamp and bundle the cable, making it easy to carry and reducing the inconvenience of collecting and carrying the cable.

[0043] according to Figure 8As shown, a fourth spring 64 is sleeved on the surface of the positioning rod 63. The two ends of the fourth spring 64 are fixedly connected to the surfaces of the positioning rod 63 and the clamping block 62, respectively. By setting the fourth spring 64, it is easy to control the clamping block 62 to reset and improve the stability of the clamping block 62 when it is opened. By setting the wire bundling device 6, when it is necessary to bundle the wires in the device, the wires are placed in the placement block 61, and the binding rod 66 is rotated in the connecting rod 67. The fifth spring 68 is deformed by force and generates elastic force. The clamping block 62 is rotated in the positioning rod 63, and the fourth spring 64 is deformed by force and generates elastic force. When the clamping block 62 cooperates with the placement block 61 to clamp the wires, the binding rod 66 is released, the fifth spring 68 releases its elastic force, and the binding rod 66 can then abut against the surface of the limiting rod 65, thus completing the use of the device. By setting the wire bundling device 6, it is easy to bundle the wires in the device, which can effectively reduce the difficulty of collecting the wires when carrying the device, reduce the inconvenience of carrying the device, and thus improve the overall usability of the device.

[0044] according to Figure 9 As shown, a fifth spring 68 is sleeved on the surface of the connecting rod 67. The two ends of the fifth spring 68 are fixedly connected to the surfaces of the connecting rod 67 and the restraining rod 66, respectively. By setting the fifth spring 68, it is easy to control the restraining rod 66 to reset, and at the same time, the restraining effect of the restraining rod 66 is improved.

[0045] The overall effect of the mechanism is as follows: By setting the stabilizing device 4, when the equipment needs to be used, the connecting line 2 is lowered for connection, the hollow block 41 is fitted into the fixed block 42, the control rod 43 is pushed, the control rod 43 drives the moving rod 46 and the retaining ring 47 to move, the first spring 48 deforms under force to generate elastic force, the retaining ring 47 loses its restraint on the groove on the surface of the limiting frame 45, pushes the push rod 56 and the retaining block 44, when the retaining block 44 is inserted into the slot on the surface of the fixed block 42, the control rod 43 is released, the first spring 48 releases its elastic force, and drives the retaining ring 47 to be inserted into the limiting frame. The device can be used by inserting it into the corresponding slot on surface 45. The stabilizing device 4 reinforces the connection points, effectively reducing the risk of loosening or detachment due to external forces. It also reduces the likelihood of wear and tear from prolonged removal, thus improving overall stability. The protective device 5 ensures protection of the charging port. Pushing the protective cover 52 within the hollow sleeve 51 causes the second spring 55 to deform and generate elasticity. When the protective cover 52 completely blocks the charging port, the third spring 57 releases its elasticity. The movable locking rod 54 rotates and resets in the fixed rod 53, allowing it to be inserted into the annular groove on the surface of the hollow sleeve 51, thus completing the protection. By setting the protective device 5, the charging area of ​​the equipment is easily protected, effectively reducing the phenomenon of dust entering the charging area and minimizing the impact of dust accumulation on poor contact and charging, thereby improving the overall protection of the equipment. By setting the wire-binding device 6, when it is necessary to bundle the wires in the equipment, the wires are placed in the placement block 61, and the binding rod 66 is rotated in the connecting rod 67. The fifth spring 68 deforms under force to generate elastic force. When the clamping block 62 rotates in the positioning rod 63, the fourth spring 64 deforms under force to generate elastic force. When the clamping block 62 cooperates with the placement block 61 to clamp the line, the restraint rod 66 is released, the fifth spring 68 releases its elastic force, and the restraint rod 66 can then abut against the surface of the limit rod 65, thus completing the use of the equipment. By setting the wire bundling device 6, it is convenient to bundle the wires of the equipment, which can effectively reduce the difficulty of collecting the lines when carrying the equipment, reduce the inconvenience of carrying the equipment, and thus improve the overall usability of the equipment.

[0046] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A portable PLC programming device with high stability, characterized in that: Including the body (1) surface is provided with button (3), the body (1) one side surface is provided with connecting line (2), the body (1) is close to the side of connecting line (2) and is provided with stabilizing device (4); The stabilizing device (4) includes a fixed block (42), the number of fixed blocks (42) is two, two fixed blocks (42) are fixedly connected with the surface of the body (1), the surfaces of the two sides of the connecting line (2) are both fixedly connected with a hollow block (41), the fixed block (42) is clamped with the inner wall of the hollow block (41), the surface of the hollow block (41) is provided with a sliding hole, the inner wall of the sliding hole is slidably connected with a clamping block (44), the cross section of the clamping block (44) is rectangular, the surface of the fixed block (42) is provided with a clamping groove, and the clamping block (44) is clamped with the inner wall of the clamping groove. The surface of the body (1) is provided with a charging hole, and the side of the body (1) close to the charging hole is provided with a protection device (5), the protection device (5) includes a hollow sleeve (51), the number of hollow sleeves (51) is two, the hollow sleeve (51) is fixedly connected with the surface of the body (1), the inner wall of the hollow sleeve (51) is slidably connected with a protective cover (52), the surface of the protective cover (52) is fixedly connected with two fixed rods (53), the surface of the fixed rod (53) is rotatably connected with a clamping rod (54), the surface of the hollow sleeve (51) is provided with an annular groove, and the clamping rod (54) is clamped with the inner wall of the annular groove. The surface of the body (1) is provided with a wire bundling device (6), the number of wire bundling devices (6) is two, the wire bundling device (6) includes a placing block (61), the placing block (61) is fixedly connected with the surface of the body (1), the surface of the placing block (61) is fixedly connected with a positioning rod (63), the surface of the positioning rod (63) is rotatably connected with a clamping block (62), the surface of the clamping block (62) is fixedly connected with a connecting rod (67), the surface of the connecting rod (67) is rotatably connected with a binding rod (66), the surface of the placing block (61) is fixedly connected with a limiting rod (65), and the surface of the binding rod (66) is clamped with the limiting rod (65).

2. The portable PLC programming device with high stability according to claim 1, characterized in that: The surface of the clamping block (44) is provided with two holes, the inner wall of the hole is slidably connected with a moving rod (46), the surface of the moving rod (46) is fixedly connected with a clamping ring (47), the surface of the hollow block (41) close to the clamping ring (47) is fixedly connected with a limiting frame (45), the surface of the limiting frame (45) is provided with two grooves, and the clamping ring (47) is clamped with the inner wall of the groove.

3. The portable PLC programming device with high stability according to claim 2, characterized in that: One end of the moving rod (46) is fixedly connected with a control rod (43), and the cross section of the control rod (43) is straight.

4. The portable PLC programming device with high stability according to claim 2, characterized in that: The surface of the moving rod (46) is provided with a first spring (48), and the two ends of the first spring (48) are fixedly connected with the surfaces of the clamping block (44) and the clamping ring (47).

5. The portable PLC programming device with high stability according to claim 1, characterized in that: The protective cover (52) is fixedly connected with the second spring (55) on the side corresponding to the inner wall of the hollow sleeve (51), the number of the second spring (55) is two, the surface of the fixed rod (53) is sleeved with the third spring (57), and the two ends of the third spring (57) are fixedly connected with the surface of the fixed rod (53) and the clamping rod (54).

6. The portable PLC programming device with high stability according to claim 5, characterized in that: The surface of the clamping rod (54) is fixedly connected with the push rod (56), and the push rod (56) is cylindrically arranged.

7. The portable PLC programming device with high stability according to claim 6, characterized in that: The surface of the positioning rod (63) is sleeved with the fourth spring (64), and the two ends of the fourth spring (64) are fixedly connected with the surface of the positioning rod (63) and the clamping block (62).

8. The portable PLC programming device with high stability according to claim 7, characterized in that: The surface of the connecting rod (67) is sleeved with the fifth spring (68), and the two ends of the fifth spring (68) are fixedly connected with the surface of the connecting rod (67) and the binding rod (66).

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