Spring positioning ball pin convenient to adjust

Abstract

The utility model discloses a spring positioning ball pin convenient to adjust, and relates to the technical field of spring positioning, the spring positioning ball pin convenient to adjust comprises a rod body, a ball head is arranged above the rod body, the lower surface of the ball head is fixedly connected with two limiting blocks, the lower surface of the ball head is fixedly connected with a spring and a fixed column, and the spring is movably sleeved with the fixed column. And the lower surface of the fixed column is fixedly connected with a connecting block I. The positioning ball pin is in threaded fixation with equipment or parts through the threaded rod arranged below the positioning ball pin, and the length of the rod body is adjusted according to different use scenes and requirements so as to meet the use requirements; the first threaded ring is rotated downwards to drive the second threaded ring fixed to the first threaded ring to move together, the first threaded ring is in threaded sleeving connection with the limiting ring, at the moment, the second threaded ring is disengaged from threaded sleeving connection with the rod body, limiting is opened, the limiting ring can move up and down, and the limiting ring drives the threaded rod fixed to the limiting ring to move together in the moving process.

Description

Technical Field

[0001] The utility model relates to the technical field of spring positioning, in particular to a spring positioning ball pin which is easy to adjust. Background Art

[0002] A spring locating ball pin, also known as a compression spring locating pin or a spring locating pin, is a mechanical connection element that is usually used to fix and locate parts and has a certain degree of elasticity to reduce vibration and impact.

[0003] At present, there is an existing spring positioning ball pin that is easy to adjust (such as patent number: CN201620977254.3) which discloses a spring positioning ball pin, including a workpiece, a fixture column and a fixture base plate. The fixture base plate is provided with a fixture column, and a positioning pin is provided in the fixture column. The positioning pin includes a positioning ball pin, a spring and a positioning end face. The positioning ball pin is connected to the spring, and the spring is sleeved at the bottom of the positioning ball pin. The positioning work is completed quickly, the operation is simple and fast, the positioning is accurate and stable, and it can effectively avoid over-positioning and under-positioning during tapered hole positioning, and provide stability during processing.

[0004] However, during the implementation of the above technical solution, the following technical problems were found: in the above solution, the length of the positioning ball pin is fixed and cannot be adjusted. When the workpiece size or assembly requirements change, it may be necessary to replace the positioning ball pins of different lengths, which increases the complexity of adjustment and maintenance. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides a spring positioning ball pin that is easy to adjust, which solves the problem that when the workpiece size or assembly requirements change, it may be necessary to replace positioning ball pins of different lengths, which increases the complexity of adjustment and maintenance.

[0007] (II) Technical solution

[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: a spring positioning ball pin that is easy to adjust, comprising a rod body, a ball head is arranged above the rod body, two limit blocks are fixedly connected to the lower surface of the ball head, a spring and a fixing column are fixedly connected to the lower surface of the ball head, the spring and the fixing column are movably sleeved, a connecting block 1 is fixedly connected to the lower surface of the fixing column, a connecting block 2 is fixedly connected to the lower surface of the connecting block, a handle block is fixedly connected to the left surface of the connecting block 2, a blocking ring is fixedly connected to the annular side surface of the rod body, a limiting ring is arranged below the rod body, a threaded rod is fixedly connected to the lower surface of the limiting ring, a threaded ring 1 is threadedly sleeved on the annular side surface of the limiting ring, and two slots 1 are provided on the inner wall of the rod body, and the two slots 1 are respectively slidably connected to the two limit blocks.

[0009] As a preferred technical solution of the utility model, a fixing ring is fixedly connected to the lower surface of the spring, the fixing ring is movably sleeved with the fixing column, and the fixing ring is fixedly connected to the inner wall of the rod body.

[0010] As a preferred technical solution of the utility model, a second clamping groove is formed through the annular side surface of the rod body, and the second clamping groove is movably connected with the second connecting block.

[0011] As a preferred technical solution of the utility model, the upper surface of the threaded ring 1 is fixedly connected with a threaded ring 2, and the threaded ring 2 is threadedly sleeved with the annular side surface of the rod body.

[0012] As a preferred technical solution of the utility model, two arc-shaped grooves are provided on the lower surface of the rod body, and the two arc-shaped grooves are movably engaged with the limiting ring.

[0013] (III) Beneficial effects

[0014] 1. The limit ring will drive the threaded rod fixed with it to move during the movement. At this time, adjust the limit ring to the appropriate position as needed, and then rotate the threaded ring 1 upward to make the threaded ring 2 threadedly connected with the rod body. Rotate until it fits with the blocking ring fixed on the rod body. At this time, the length of the rod body can be adjusted. The overall operation is simple and easy to adjust, which improves the overall flexibility and adaptability.

[0015] 2. After the installation is completed, the positioning ball pin can be used for limit fixing. When the limit needs to be opened, the handle block is pushed to drive the connecting block 2 and the connecting block 1 to move together. The upper surface of the connecting block 1 is fixedly connected to the fixing column, and the upper surface of the fixing column is fixedly connected to the ball head. At this time, the ball head is moved together by the thrust and the spring is compressed. After the ball head is fully engaged in the rod body, the limit is opened and can be disassembled. The overall operation is convenient and the limit is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings.

[0017] Figure 1 It is the overall structure diagram of the utility model;

[0018] Figure 2 This is a structural diagram of the rod body in the utility model;

[0019] Figure 3 This is a structural diagram of the ball head in the utility model;

[0020] Figure 4 This is a structural diagram of the fixed column in the utility model.

[0021] Legend: 1. Rod body; 2. Ball head; 3. Threaded ring 1; 4. Limiting ring; 5. Threaded rod; 6. Handle block; 7. Threaded ring 2; 8. Arc groove; 9. Blocking ring; 10. Slot 1; 11. Slot 2; 12. Spring; 13. Limiting block; 14. Fixing ring; 15. Fixing column; 16. Connecting block 1; 17. Connecting block 2. DETAILED DESCRIPTION

[0022] The embodiment of the present application provides a spring positioning ball pin that is easy to adjust, which effectively solves the problem that when the workpiece size or assembly requirements change, it may be necessary to replace the positioning ball pins of different lengths, which increases the complexity of adjustment and maintenance. The limit ring 4 will drive the threaded rod 5 fixed to it to move during the movement. At this time, after adjusting the limit ring 4 to a suitable position as needed, rotate the threaded ring 1 3 upward so that the threaded ring 2 7 is threadedly connected with the rod body 1, and rotate it until it is in contact with the blocking ring 9 fixed on the rod body 1. At this time, the length of the rod body 1 can be adjusted. The overall operation is simple and easy to adjust, which improves the overall flexibility and adaptability.

[0023] Example

[0024] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the technical solution in the embodiment of the present application effectively solves the problems of the prior art, and the overall idea is as follows:

[0025] In view of the problem that when the workpiece size or assembly requirements change, it may be necessary to replace positioning ball pins of different lengths, which increases the complexity of adjustment and maintenance, the utility model provides a spring positioning ball pin that is easy to adjust, including a rod body 1, a ball head 2 is arranged above the rod body 1, two limit blocks 13 are fixedly connected to the lower surface of the ball head 2, a spring 12 and a fixed column 15 are fixedly connected to the lower surface of the ball head 2, the spring 12 and the fixed column 15 are movably sleeved, a connecting block 16 is fixedly connected to the lower surface of the fixed column 15, a connecting block 17 is fixedly connected to the lower surface of the connecting block 16, a handle block 6 is fixedly connected to the left surface of the connecting block 2 17, a blocking ring 9 is fixedly connected to the annular side of the rod body 1, and a limit ring 4 is arranged below the rod body 1. A threaded rod 5 is fixedly connected to the lower surface of the limiting ring 4, and a threaded ring 3 is threadedly sleeved on the annular side of the limiting ring 4. Two slots 10 are provided on the inner wall of the rod body 1, and the two slots 10 are slidably connected with two limit blocks 13 respectively. The positioning ball pin is threadedly fixed to the equipment or parts through the threaded rod 5 arranged thereunder. The threaded ring 13 is rotated downward to drive the threaded ring 2 7 fixed thereto to move together. The threaded ring 13 and the limiting ring 4 are threadedly sleeved. At this time, the threaded ring 2 7 will be separated from the threaded sleeve of the rod body 1, and the limit is opened. The limiting ring 4 can move up and down, and the limiting ring 4 will drive the threaded rod 5 fixed thereto to move during the movement. The length of the rod body 1 can be adjusted according to different usage scenarios and needs to meet usage needs.

[0026] A fixing ring 14 is fixedly connected to the lower surface of the spring 12, and the fixing ring 14 is movably connected with the fixing column 15. The fixing ring 14 is fixedly connected to the inner wall of the rod body 1. A clamping groove 2 11 is penetrated through the annular side surface of the rod body 1, and the clamping groove 2 11 is movably connected with the connecting block 2 17. After adjusting the limit ring 4 to a suitable position as needed, rotate the threaded ring 1 3 upwards to make the threaded ring 2 7 threadably connected with the rod body 1, and rotate until it fits with the blocking ring 9 fixed on the rod body 1. At this time, the length of the rod body 1 can be adjusted. The overall operation is simple and easy to adjust, which improves the overall flexibility and adaptability.

[0027] The upper surface of the threaded ring 1 3 is fixedly connected with a threaded ring 2 7, and the threaded ring 2 7 is threadedly sleeved with the annular side surface of the rod body 1. Two arc grooves 8 are provided on the lower surface of the rod body 1, and the two arc grooves 8 are movably engaged with the limit ring 4. After the installation is completed, the positioning ball pin can be used for limit fixing. When it is necessary to open the limit, the handle block 6 is pushed to drive the connecting block 2 17 and the connecting block 1 16 to move together. The upper surface of the connecting block 16 is fixedly connected to the fixing column 15, and the upper surface of the fixing column 15 is fixedly connected with the ball head 2. At this time, the ball head 2 is moved together by the thrust, compressing the spring 12. After the ball head 2 is fully engaged in the rod body 1, the limit is opened and can be disassembled. The overall operation is convenient and the limit is simple.

[0028] Working principle:

[0029] The positioning ball pin is threadedly fixed to the equipment or parts through the threaded rod 5 arranged thereunder, and the length of the rod body 1 needs to be adjusted to meet the use needs according to different usage scenarios and requirements, and the threaded ring 1 3 is turned downward to drive the threaded ring 2 7 fixed thereto to move together, and the threaded ring 1 3 and the limiting ring 4 are threadedly sleeved, at this time, the threaded ring 2 7 will be separated from the threaded sleeve of the rod body 1, and the limit is opened, and the limiting ring 4 can move up and down, and the limiting ring 4 will drive the threaded rod 5 fixed thereto to move during the movement. At this time, adjust the limiting ring 4 to a suitable position as needed, and then turn the threaded ring 1 3 upward to make the threaded ring 2 7 threadedly sleeved with the rod body 1, and turn Until it is fitted with the blocking ring 9 fixed on the rod body 1, the length of the rod body 1 can be adjusted at this time. The overall operation is simple and easy to adjust, which improves the overall flexibility and adaptability. After the installation is completed, the positioning ball pin can be used for limit fixing. When it is necessary to open the limit, the handle block 6 is pushed to drive the connecting block 2 17 and the connecting block 1 16 to move together. The upper surface of the connecting block 1 16 is fixedly connected to the fixing column 15, and the upper surface of the fixing column 15 is fixedly connected to the ball head 2. At this time, the ball head 2 is moved together by the thrust, compressing the spring 12. After the ball head 2 is fully clamped in the rod body 1, the limit is opened and it can be disassembled. The overall operation is convenient and the limit is simple.

[0030] Finally, it should be noted that: Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from this are still within the scope of protection of the present invention.

Claims

1. A spring-loaded ball pin that is easy to adjust, comprising a rod body (1), characterized in that: A ball head (2) is arranged above the rod body (1); two limit blocks (13) are fixedly connected to the lower surface of the ball head (2); a spring (12) and a fixed column (15) are fixedly connected to the lower surface of the ball head (2); the spring (12) and the fixed column (15) are movably sleeved; and a connecting block (16) is fixedly connected to the lower surface of the fixed column (15); The lower surface of the connecting block 1 (16) is fixedly connected to the connecting block 2 (17), the left surface of the connecting block 2 (17) is fixedly connected to the handle block (6), the annular side surface of the rod body (1) is fixedly connected to the blocking ring (9), a limiting ring (4) is arranged below the rod body (1), the lower surface of the limiting ring (4) is fixedly connected to the threaded rod (5), and the annular side surface of the limiting ring (4) is threadedly sleeved with the threaded ring 1 (3).

2. The spring-loaded ball pin that is easy to adjust as claimed in claim 1, characterized in that: The inner wall of the rod body (1) is provided with two slots (10); Wherein, the two card slots (10) are respectively slidably connected to the two limit blocks (13).

3. The spring-loaded ball pin that is easy to adjust as claimed in claim 1, characterized in that: A fixing ring (14) is fixedly connected to the lower surface of the spring (12), and the fixing ring (14) is movably sleeved with a fixing column (15); Wherein, the fixing ring (14) is fixedly connected to the inner wall of the rod body (1).

4. The spring-loaded ball pin that is easy to adjust as claimed in claim 1, characterized in that: The annular side surface of the rod body (1) is penetrated by a second clamping groove (11); Wherein, the second card slot (11) is movably connected with the second connecting block (17).

5. The spring-loaded ball pin that is easy to adjust as claimed in claim 1, characterized in that: The upper surface of the threaded ring 1 (3) is fixedly connected with a threaded ring 2 (7); Wherein, the second threaded ring (7) is threadedly sleeved with the annular side surface of the rod body (1).

6. The spring-loaded ball pin that is easy to adjust as claimed in claim 1, characterized in that: The lower surface of the rod body (1) is provided with two arc-shaped grooves (8); Wherein, the two arc-shaped grooves (8) are both movably engaged with the limiting ring (4).

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