Output pin structure conveniently connected with output end of engine

Abstract

The utility model belongs to the technical field of output pins, and particularly relates to an output pin structure conveniently connected with the output end of an engine, which comprises a transmission shaft and an output pin body, and further comprises a fixing mechanism, the second fixing semi-ring and the first fixing semi-ring are in butt joint through a first locking piece to form an annular component, and the annular component is fixed to the output end of the transmission shaft in a sleeving mode; the output pin body is fixed to the output end of the transmission shaft through the second locking piece, and a positioning insertion rod is fixed to the end face of the output pin body; according to the output pin, the output pin body is fixedly installed through the second locking piece, axial displacement is avoided, the output pin body is further reinforced through the fixing mechanism, radial rotation is avoided, connection is convenient, on the premise that stable installation of the output pin body is guaranteed, different output pin bodies can be conveniently replaced according to needs, and adaptability is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of output pins, and in particular relates to an output pin structure that is convenient for connecting with an output end of an engine. Background Art

[0002] An engine is a machine that can convert other forms of energy into mechanical energy, including internal combustion engines (reciprocating piston engines), external combustion engines (Stirling engines, steam engines, etc.), jet engines, electric motors, etc.

[0003] The output end of the engine usually utilizes a transmission shaft to drive the load to operate. Depending on the load, accessories such as output pins and couplings are sometimes added to the transmission shaft to facilitate connection with the load.

[0004] In the prior art, the output pin for connecting to the load is usually fixed to the output end of the transmission shaft by welding. Although it has high stability, it is impossible to switch output pins of different specifications according to different loads, which has great limitations in use.

[0005] In order to solve the above problems, the present application proposes an output pin structure that is convenient for connection with the output end of the engine. Utility Model Content

[0006] In order to solve the above problems existing in the prior art, the utility model provides an output pin structure which is convenient for connection with the output end of an engine and has the characteristics of being easy to use and having a wide range of applications.

[0007] To achieve the above object, the utility model provides the following technical solution: an output pin structure that is convenient for connecting to the output end of an engine, comprising a transmission shaft and an output pin body connected to the output end of the transmission shaft, and also comprising a fixing mechanism, and the fixing mechanism comprises:

[0008] A first fixing half ring, wherein the inner wall of the first fixing half ring is provided with a second keyway;

[0009] A second fixing half ring, the second fixing half ring and the first fixing half ring are butted together with a first locking piece to form a circular ring-shaped member and are sleeved and fixed on the output end of the transmission shaft;

[0010] The output pin body is fixed to the output end of the transmission shaft by means of the No. 2 locking piece, and a positioning rod is fixed to the end face of the output pin body, and both the No. 1 fixing half ring and the No. 2 fixing half ring are provided with positioning slots for the positioning rod to be embedded.

[0011] As a preferred technical solution of the utility model, the No. 1 locking piece is a countersunk screw, the No. 1 fixing half ring has a No. 1 countersunk hole for the No. 1 locking piece to pass through, and the No. 2 fixing half ring has a threaded hole for the No. 1 locking piece to be screwed into.

[0012] As a preferred technical solution of the utility model, the No. 2 locking piece is a countersunk screw, the output pin body has a No. 2 countersunk hole for the No. 2 locking piece to pass through, and the transmission shaft has a threaded groove for the No. 2 locking piece to be screwed into.

[0013] As a preferred technical solution of the utility model, the two groups of the No. 1 locking members are symmetrically distributed, and there are two No. 1 locking members in the same group that are symmetrically distributed.

[0014] As a preferred technical solution of the utility model, it also includes:

[0015] Friction plates: a plurality of friction plates are bonded and fixed to the inner walls of the first fixing half ring and the second fixing half ring.

[0016] As a preferred technical solution of the utility model, it also includes:

[0017] A positioning key is provided with a No. 2 keyway on the inner wall of the No. 1 fixed half ring, and a No. 1 keyway is provided on the outer wall of the transmission shaft, and the positioning key is embedded in the No. 2 keyway and the No. 1 keyway.

[0018] As a preferred technical solution of the utility model, it also includes:

[0019] A flexible member is located between the fixing mechanism and the output pin body.

[0020] As a preferred technical solution of the utility model, the flexible member is a rubber member, and both ends of the flexible member are provided with a plurality of anti-slip grooves which are evenly spaced along the circumferential direction.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] In the utility model, the output pin body is fixedly installed with a No. 2 locking piece to avoid axial displacement, and is further reinforced by a fixing mechanism to avoid radial rotation. The connection is convenient, and under the premise of ensuring the stable installation of the output pin body, it is also convenient to replace different output pin bodies as needed, thereby improving adaptability.

[0023] Other additional advantages and beneficial effects of the present application will be given in part in the following description, and in part will become apparent from the following description, or will be understood through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0025] Figure 1 It is a structural schematic diagram of the utility model;

[0026] Figure 2 It is a schematic diagram of the exploded structure of the utility model;

[0027] Figure 3 It is a schematic diagram of the axonometric structure of the flexible component in the utility model.

[0028] In the figure: 1. transmission shaft; 11. threaded groove; 12. keyway No. 1; 2. fixing mechanism; 21. fixing half ring No. 1; 211. countersunk hole No. 1; 212. keyway No. 2; 22. fixing half ring No. 2; 221. threaded hole; 222. positioning slot; 3. output pin body; 31. countersunk hole No. 2; 32. positioning rod; 4. locking piece No. 1; 5. locking piece No. 2; 6. friction plate; 7. flexible piece; 71. anti-skid groove; 8. positioning key. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1-Figure 3 The utility model provides the following technical solutions: an output pin structure convenient for connecting with the output end of an engine, comprising a transmission shaft 1 and an output pin body 3 connected to the output end of the transmission shaft 1, and also comprising a fixing mechanism 2, and the fixing mechanism 2 comprises: a No. 1 fixing half ring 21, a No. 2 fixing half ring 22 and a No. 2 locking piece 5.

[0031] Further, by Figure 1 and Figure 2As shown, in this embodiment, the inner wall of the No. 1 fixed half ring 21 is provided with a No. 2 keyway 212, the No. 2 fixed half ring 22 and the No. 1 fixed half ring 21 are butted together with the No. 1 locking piece 4 to form a circular ring member and are sleeved and fixed on the output end of the transmission shaft 1, the output pin body 3 is fixed to the output end of the transmission shaft 1 by the No. 2 locking piece 5, and a positioning rod 32 is fixed on the end surface of the output pin body 3, and a positioning slot 222 for the positioning rod 32 to be embedded is provided on both the No. 1 fixed half ring 21 and the No. 2 fixed half ring 22. After adopting the above scheme, when installing the output pin body 3, firstly connect the No. 2 fixing half ring 22 and the No. 1 fixing half ring 21 into a circular ring component by using the No. 1 locking piece 4 and fix it on the output end of the transmission shaft 1. Then, fix the output pin body 3 to the output end of the transmission shaft 1 by using the No. 2 locking piece 5, and embed the positioning rod 32 into the positioning slot 222 for positioning and stabilization. Under the premise of ensuring the stable installation of the output pin body 3, it is also convenient to replace different output pin bodies 3 as needed, thereby improving adaptability.

[0032] It should be noted that the connection position of the output pin body 3 in the above scheme is only an exemplary scheme and is not used to limit the present utility model. In actual use, the output pin body 3 can also be fixedly connected with the first fixing half ring 21 and the second fixing half ring 22 by using the second locking piece 5.

[0033] Optionally, by Figure 1 and Figure 2 As shown, in this embodiment, the No. 1 locking piece 4 is a countersunk screw, and a No. 1 countersunk hole 211 is provided on the No. 1 fixing half ring 21 for the No. 1 locking piece 4 to pass through, and a threaded hole 221 is provided on the No. 2 fixing half ring 22 for the No. 1 locking piece 4 to be screwed into. After adopting the above scheme, when the No. 1 fixing half ring 21 and the No. 2 fixing half ring 22 are docked and sleeved on the output end of the transmission shaft 1, the No. 1 locking piece 4 is passed through the No. 1 countersunk hole 211 and screwed into the threaded hole 221 to achieve locking.

[0034] Optionally, by Figure 1 and Figure 2 As shown, in the present embodiment, the No. 2 locking piece 5 is a countersunk screw, and a No. 2 countersunk hole 31 is provided on the output pin body 3 for the No. 2 locking piece 5 to pass through, and a threaded groove 11 is provided on the transmission shaft 1 for the No. 2 locking piece 5 to be screwed into. After adopting the above scheme, the output pin body 3 is docked at the output end of the transmission shaft 1, and the positioning rod 32 is embedded in the positioning slot 222 for positioning, and then the No. 2 locking piece 5 is passed through the No. 2 countersunk hole 31 and screwed into the threaded groove 11 to achieve locking. In actual use, the No. 2 locking piece 5 can also be passed through the output pin body 3 and fixedly connected with the No. 1 fixing half ring 21 and the No. 2 fixing half ring 22 by threaded screwing.

[0035] Preferably, by Figure 1 and Figure 2As shown, in this embodiment, two groups of No. 1 locking members 4 are symmetrically distributed, and there are two No. 1 locking members 4 in the same group, which improves the stability of the docking between the No. 1 fixing half ring 21 and the No. 2 fixing half ring 22.

[0036] Preferably, by Figure 1 and Figure 2 As shown, in this embodiment, it also includes: friction plates 6. A plurality of friction plates 6 are bonded and fixed to the inner walls of the No. 1 fixed half ring 21 and the No. 2 fixed half ring 22. After adopting the above scheme, the installation stability of the No. 1 fixed half ring 21 and the No. 2 fixed half ring 22 is further improved by the set friction plates 6, avoiding rotation during operation.

[0037] Preferably, by Figure 1 and Figure 2 As shown, in this embodiment, it also includes: a positioning key 8, a No. 2 key groove 212 is provided on the inner wall of the No. 1 fixed half ring 21, and a No. 1 key groove 12 is provided on the outer wall of the transmission shaft 1, and the positioning key 8 is embedded in the No. 2 key groove 212 and the No. 1 key groove 12. The positioning key 8 is set to further improve the installation stability of the No. 1 fixed half ring 21 and the No. 2 fixed half ring 22 to avoid rotation during operation.

[0038] Preferably, by Figure 1-Figure 3 As shown, in this embodiment, it also includes: a flexible member 7, which is located between the fixing mechanism 2 and the output pin body 3. The flexible member 7 is flexible. By setting the flexible member 7, when the output pin body 3 is installed, the flexible member 7 contracts. On the one hand, it has a buffering and shock-resistant function to reduce the vibration of the output pin body 3 during operation. On the other hand, the flexible member 7 has a reverse elastic force, which can further increase the bite force of the thread between the No. 2 locking member 5 and the thread groove 11, thereby improving the installation stability of the output pin body 3.

[0039] Optionally, by Figure 1-Figure 3 As shown, in this embodiment, the flexible member 7 is a rubber member, and has a plurality of anti-skid grooves 71 equally spaced along the circumferential direction at both ends of the flexible member 7. The designed anti-skid grooves 71 can further improve the installation stability of the output pin body 3.

[0040] Components not described in detail herein are prior art.

[0041] Working principle and use process of the utility model: When installing the output pin body 3 of the utility model, firstly, the second fixing half ring 22 and the first fixing half ring 21 are connected to form a circular ring component by using the first locking piece 4 and are sleeved and fixed on the output end of the transmission shaft 1, and then the positioning key 8 is inserted into the first keyway 12 and the second keyway 212;

[0042] The output pin body 3 is fixed to the output end of the transmission shaft 1 by using the second locking piece 5, and the positioning rod 32 is embedded in the positioning slot 222 for positioning and stabilization. Under the premise of ensuring the stable installation of the output pin body 3, it is also convenient to replace different output pin bodies 3 according to needs, thereby improving adaptability;

[0043] By setting the flexible member 7, when the output pin body 3 is installed, the flexible member 7 contracts. On the one hand, it has a buffering and shock-resistant function to reduce the vibration of the output pin body 3 during operation. On the other hand, the flexible member 7 has a reverse elastic force, which can further increase the bite force of the thread between the No. 2 locking member 5 and the thread groove 11, thereby improving the installation stability of the output pin body 3.

[0044] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An output pin structure that is convenient for connecting to an output end of an engine, comprising a transmission shaft (1) and an output pin body (3) connected to the output end of the transmission shaft (1), characterized in that: It also includes a fixing mechanism (2), and the fixing mechanism (2) includes: A first fixed half ring (21); A second fixing half ring (22), the second fixing half ring (22) and the first fixing half ring (21) are butt-jointed with each other using a first locking piece (4) to form a circular ring-shaped component and are sleeved and fixed on the output end of the transmission shaft (1); A No. 2 locking piece (5), the output pin body (3) is fixed to the output end of the transmission shaft (1) by means of the No. 2 locking piece (5), and a positioning rod (32) is fixed to the end surface of the output pin body (3), and a positioning slot (222) for the positioning rod (32) to be embedded is provided on both the No. 1 fixing half ring (21) and the No. 2 fixing half ring (22).

2. An output pin structure that is convenient for connection with an engine output end according to claim 1, characterized in that: The No. 1 locking piece (4) is a countersunk screw, the No. 1 fixing half ring (21) has a No. 1 countersunk hole (211) for the No. 1 locking piece (4) to pass through, and the No. 2 fixing half ring (22) has a threaded hole (221) for the No. 1 locking piece (4) to be screwed into.

3. The output pin structure for connecting to the output end of an engine according to claim 1, characterized in that: The second locking piece (5) is a countersunk screw, the output pin body (3) is provided with a second countersunk hole (31) for the second locking piece (5) to pass through, and the transmission shaft (1) is provided with a threaded groove (11) for the second locking piece (5) to be screwed into.

4. The output pin structure for connecting to the output end of an engine according to claim 1, characterized in that: The two groups of the number one locking members (4) are symmetrically distributed, and there are two number one locking members (4) in the same group that are symmetrically distributed.

5. The output pin structure for connecting to the output end of an engine according to claim 1, characterized in that: Also includes: Friction plates (6), wherein a plurality of friction plates (6) are bonded and fixed to the inner walls of the first fixing half ring (21) and the second fixing half ring (22).

6. The output pin structure for connecting to the output end of an engine according to claim 1, characterized in that: Also includes: A positioning key (8) is provided with a second keyway (212) on the inner wall of the first fixing half ring (21), and a first keyway (12) is provided on the outer wall of the transmission shaft (1), wherein the positioning key (8) is embedded in the second keyway (212) and the first keyway (12).

7. The output pin structure for connecting to the output end of an engine according to claim 1, characterized in that: Also includes: A flexible member (7), the flexible member (7) being located between the fixing mechanism (2) and the output pin body (3).

8. The output pin structure for connecting to the output end of an engine according to claim 7, characterized in that: The flexible member (7) is a rubber member, and has a plurality of anti-slip grooves (71) distributed at equal intervals along the circumferential direction at both ends of the flexible member (7).

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