Positioning transmission shaft with anti-skid function

Abstract

The utility model is applicable to the technical field of positioning transmission shafts, and provides a positioning transmission shaft with an anti-skid function, which comprises a head component, a connecting rod component is arranged below the head component, the connecting rod component and the head component are integrally formed, and the connecting rod component comprises a first connecting rod and a second connecting rod. The first connecting rod is in a cylinder shape, one end of the first connecting rod is connected with the head assembly, a second connecting rod is arranged at the other end of the first connecting rod, a third connecting rod is arranged at the end, away from the first connecting rod, of the second connecting rod, and the second connecting rod and the third connecting rod are cylinders with the same diameter. The first connecting rod, the second connecting rod and the third connecting rod are coaxially connected, the first annular groove and the second annular groove are connected with a matching component of the transmission shaft, the matching component of the transmission shaft is provided with an annular protruding assembly, the annular protruding assembly is matched with the first annular groove and the second annular groove in a matched mode, and the anti-skid effect of the transmission shaft is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning transmission shafts, and more specifically, to a positioning transmission shaft with an anti-slip function. Background Art

[0002] A printer is a common and important office equipment. Its main function is to convert electronic documents or images into paper output through specific technology. The printer drive shaft is a very critical component in the printer, which mainly plays the role of transmitting power and motion.

[0003] At present, the printer drive shaft accurately and stably transmits the power generated by the motor to the print head, paper feeding mechanism and other parts that need to move. The quality and performance of the printer drive shaft have an important impact on the printer's working efficiency and printing quality.

[0004] However, if the transmission shaft slips during operation, it will not be able to accurately transmit power to the relevant components, resulting in inaccurate movement of the print head and unstable paper feed speed, which will cause quality problems such as text misalignment, inconsistent line spacing, and blurred images in the printed documents. Therefore, a positioning transmission shaft with an anti-slip function is proposed to improve the existing problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a positioning transmission shaft with an anti-slip function.

[0006] To achieve the above objectives, the utility model provides the following technical solutions: a positioning transmission shaft with anti-slip function, comprising a head assembly, a connecting rod assembly is arranged below the head assembly, and the connecting rod assembly and the head assembly are integrally formed.

[0007] Among them, the connecting rod assembly includes a first connecting rod, the first connecting rod is in the shape of a cylinder, one end of the first connecting rod is connected to the head assembly, the other end of the first connecting rod is provided with a second connecting rod, the end of the second connecting rod away from the first connecting rod is provided with a third connecting rod, the second connecting rod and the third connecting rod are both cylinders with the same diameter, and the first connecting rod, the second connecting rod and the third connecting rod are coaxially connected.

[0008] The utility model is further configured as follows: a first annular groove is provided between the first connecting rod and the second connecting rod, and a positioning hole is provided through the side wall of the first connecting rod.

[0009] By adopting the above technical solution, a positioning hole is opened through the side wall of the first connecting rod, and an inclined surface is set at the end of the positioning hole. The inclined surface of the positioning hole first contacts the matching component, and then the component gradually moves until it completely enters the positioning hole. The transmission shaft is installed to the corresponding position to achieve the positioning effect.

[0010] The utility model is further configured as follows: a second annular groove is provided between the second connecting rod and the third connecting rod, a first positioning groove is provided on an outer side wall of one end of the second connecting rod close to the third connecting rod, and the shape of the first positioning groove is L-shaped.

[0011] By adopting the above technical solution, a first positioning groove is provided on the outer wall of the second connecting rod near one end of the third connecting rod, and the shape of the first positioning groove is L-shaped. When the transmission shaft is installed, the special setting of the L-shaped first positioning groove can quickly find the installation direction, guide the installation of the transmission shaft, and provide convenience for the installation of the transmission shaft.

[0012] The utility model is further configured as follows: the other end of the second annular groove is connected to the third connecting rod, the outer side wall of the third connecting rod is provided with a second positioning groove, and the shape of the second positioning groove is rectangular.

[0013] The utility model is further configured as follows: the head assembly includes a connecting column, the connecting column is configured as a cylindrical structure, one end of the connecting column is connected to a first connecting rod, the end of the connecting column away from the first connecting rod is provided with a head connecting rod, the shape of the head connecting rod is cylindrical, the head connecting rod is coaxially connected to the connecting column, and the diameter of the head connecting rod is greater than the diameter of the connecting column.

[0014] The utility model is further configured as follows: a transmission head is arranged at one end of the head connecting rod away from the connecting column, the transmission head is arranged as a truncated cone structure, and the larger diameter surface of the truncated cone of the transmission head is connected to the head connecting rod, and the transmission head is coaxially connected to the head connecting rod.

[0015] By adopting the above technical solution, the shape of the head connecting rod is set to be cylindrical, the head connecting rod is coaxially connected to the connecting column, and the diameter of the head connecting rod is larger than the diameter of the connecting column, the first connecting rod is set to be cylindrical, and the diameter of the first connecting rod is larger than the diameter of the connecting column, so that an annular groove is formed between the head connecting rod and the first connecting rod, the annular groove, the first annular groove and the second annular groove are connected to the matching part of the transmission shaft, and an annular protrusion assembly is provided on the matching part of the transmission shaft, and the annular protrusion assembly fits and matches with the annular groove, the first annular groove and the second annular groove to achieve the effect of anti-slip of the transmission shaft.

[0016] In summary, the present application includes at least one of the following beneficial technical effects:

[0017] 1. An inclined surface is set at the end of the positioning hole. The inclined surface of the positioning hole first contacts the matching component, and then the matching component gradually moves until it completely enters the positioning hole. The transmission shaft is installed at the corresponding position to achieve the positioning effect.

[0018] 2. The shape of the first positioning groove is set to be L-shaped. When the transmission shaft is installed, the special setting of the L-shaped first positioning groove can quickly find the installation direction, has a guiding effect on the installation of the transmission shaft, and provides convenience for the installation of the transmission shaft.

[0019] 3. The annular groove, the first annular groove and the second annular groove are connected to the matching part of the transmission shaft. The matching part of the transmission shaft is provided with an annular protrusion component, which fits and matches the annular groove, the first annular groove and the second annular groove to achieve the anti-slip effect of the transmission shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The utility model is a structural schematic diagram of a positioning transmission shaft with anti-slip function.

[0021] Figure 2 For the utility model Figure 1 Front view of .

[0022] Figure 3 For the utility model Figure 2 Section view along the AA direction.

[0023] Figure 4 For the utility model Figure 3 Side view of.

[0024] Description of reference numerals: 1, head assembly; 11, transmission head; 12, head connecting rod; 13, connecting column;

[0025] 2. Connecting rod assembly; 21. First connecting rod; 22. Second connecting rod; 23. First positioning groove; 24. Third connecting rod; 25. Second positioning groove; 26. Positioning hole; 27. First annular groove; 28. Second annular groove. DETAILED DESCRIPTION

[0026] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0028] See also Figure 1-4 , the utility model provides the following technical solutions:

[0029] Embodiment 1

[0030] See also Figure 1A positioning transmission shaft with an anti-slip function comprises a head assembly 1, a connecting rod assembly 2 is arranged below the head assembly 1, and the connecting rod assembly 2 and the head assembly 1 are integrally formed.

[0031] See also Figure 1 The connecting rod assembly 2 includes a first connecting rod 21, which is in the shape of a cylinder. One end of the first connecting rod 21 is connected to the head assembly 1, and the other end of the first connecting rod 21 is provided with a second connecting rod 22. The end of the second connecting rod 22 away from the first connecting rod 21 is provided with a third connecting rod 24. The second connecting rod 22 and the third connecting rod 24 are both cylinders with the same diameter. The first connecting rod 21, the second connecting rod 22 and the third connecting rod 24 are coaxially connected.

[0032] See also Figure 1 and Figure 2 A first annular groove 27 is provided between the first connecting rod 21 and the second connecting rod 22. A positioning hole 26 is provided through the side wall of the first connecting rod 21. An inclined surface is provided at the end of the positioning hole 26. The inclined surface of the positioning hole 26 first contacts the matching component, and then the component gradually moves until it completely enters the positioning hole 26. The transmission shaft is installed at the corresponding position, thereby achieving the positioning effect.

[0033] See also Figure 1 and Figure 2 A second annular groove 28 is provided between the second connecting rod 22 and the third connecting rod 24, and a first positioning groove 23 is provided on the outer side wall of one end of the second connecting rod 22 close to the third connecting rod 24. The shape of the first positioning groove 23 is L-shaped. When the transmission shaft is installed, the special setting of the L-shaped first positioning groove 23 can quickly find the installation direction, has a guiding effect on the installation of the transmission shaft, and provides convenience for the installation of the transmission shaft.

[0034] See also Figure 1 and Figure 2 The other end of the second annular groove 28 is connected to the third connecting rod 24. The outer side wall of the third connecting rod 24 is provided with a second positioning groove 25. The shape of the second positioning groove 25 is rectangular.

[0035] See also Figure 3 and Figure 4The head assembly 1 includes a connecting column 13, which is set to a cylindrical structure. A first connecting rod 21 is connected to one end of the connecting column 13, and a head connecting rod 12 is set at the end of the connecting column 13 away from the first connecting rod 21. The head connecting rod 12 is in the shape of a cylinder. The head connecting rod 12 is coaxially connected to the connecting column 13, and the diameter of the head connecting rod 12 is greater than the diameter of the connecting column 13. The shape of the first connecting rod 21 is a cylinder, and the diameter of the first connecting rod 21 is greater than the diameter of the connecting column 13. Therefore, an annular groove is formed between the head connecting rod 12 and the first connecting rod 21. The annular groove, the first annular groove 27 and the second annular groove 28 are connected to the transmission shaft matching component. An annular protrusion component is set on the transmission shaft matching component. The annular protrusion component fits and matches the annular groove, the first annular groove 27 and the second annular groove 28 to achieve the anti-slip effect of the transmission shaft.

[0036] See also Figure 2 , Figure 3 and Figure 4 A transmission head 11 is provided at one end of the head connecting rod 12 away from the connecting column 13. The transmission head 11 is arranged as a truncated cone structure, and the larger diameter surface of the truncated cone of the transmission head 11 is connected to the head connecting rod 12. The transmission head 11 is coaxially connected with the head connecting rod 12. The special truncated cone structure is arranged at one end of the transmission shaft. When installing the transmission shaft, the direction can be confirmed and the transmission shaft can be installed in the corresponding position, thereby achieving the effect of quickly installing the transmission shaft.

[0037] Specifically, when the transmission shaft is in use, the inclined surface at the end of the positioning hole 26 first connects with the mating component, and then the mating component slowly moves and embeds into the positioning hole 26, forming an annular groove between the head connecting rod 12 and the first connecting rod 21, and the annular groove, the first annular groove 27 and the second annular groove 28 fit together with the annular protrusion assembly on the transmission shaft mating component to achieve an anti-slip effect.

[0038] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

Claims

1. A positioning transmission shaft with anti-slip function, characterized in that: It comprises a head assembly (1), a connecting rod assembly (2) is arranged below the head assembly (1), and the connecting rod assembly (2) and the head assembly (1) are integrally formed; The connecting rod assembly (2) comprises a first connecting rod (21), the first connecting rod (21) is in the shape of a cylinder, one end of the first connecting rod (21) is connected to the head assembly (1), the other end of the first connecting rod (21) is provided with a second connecting rod (22), the end of the second connecting rod (22) away from the first connecting rod (21) is provided with a third connecting rod (24), the second connecting rod (22) and the third connecting rod (24) are both cylinders with the same diameter, and the first connecting rod (21), the second connecting rod (22) and the third connecting rod (24) are coaxially connected.

2. The positioning transmission shaft with anti-slip function according to claim 1, characterized in that: A first annular groove (27) is provided between the first connecting rod (21) and the second connecting rod (22), and a positioning hole (26) is provided through the side wall of the first connecting rod (21).

3. The positioning transmission shaft with anti-slip function according to claim 2, characterized in that: A second annular groove (28) is provided between the second connecting rod (22) and the third connecting rod (24); a first positioning groove (23) is provided on an outer side wall of one end of the second connecting rod (22) close to the third connecting rod (24); and the first positioning groove (23) is L-shaped.

4. The positioning transmission shaft with anti-slip function according to claim 3, characterized in that: The other end of the second annular groove (28) is connected to the third connecting rod (24), and the outer side wall of the third connecting rod (24) is provided with a second positioning groove (25), and the shape of the second positioning groove (25) is rectangular.

5. The positioning transmission shaft with anti-slip function according to claim 1, characterized in that: The head assembly (1) comprises a connecting column (13), wherein the connecting column (13) is arranged as a cylindrical structure, one end of the connecting column (13) is connected to a first connecting rod (21), and one end of the connecting column (13) away from the first connecting rod (21) is provided with a head connecting rod (12), the head connecting rod (12) is in the shape of a cylinder, the head connecting rod (12) is coaxially connected to the connecting column (13), and the diameter of the head connecting rod (12) is greater than the diameter of the connecting column (13).

6. The positioning transmission shaft with anti-slip function according to claim 5, characterized in that: A transmission head (11) is arranged at one end of the head connecting rod (12) away from the connecting column (13); the transmission head (11) is arranged as a truncated cone structure; the larger diameter surface of the truncated cone of the transmission head (11) is connected to the head connecting rod (12); the transmission head (11) and the head connecting rod (12) are coaxially connected.

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