Auxiliary device for assembling valve spring

Abstract

The utility model provides an auxiliary device for assembling a valve spring, which comprises a fixed column, three sliding grooves are formed in each of two ends of the fixed column, and sliding columns are connected to two ends of the fixed column in a sliding manner; and the supporting assembly comprises two fixing plates, and the two fixing plates are fixedly connected to the ends of the two sliding columns correspondingly. According to the auxiliary device for assembling the valve spring, when the auxiliary device is used, two hanging rods are sleeved with a spring body firstly, then two threaded sleeves are rotated to slide up and down outside threaded grooves, sliding columns slide and stretch out and draw back in fixing columns synchronously, the two hanging rods start to be away from each other, and the spring body is fixed to the two hanging rods; and when the spring body needs to be compressed to be assembled, the two fixing bases can abut against the two ends of the spring body, then the two threaded sleeves are rotated reversely, the two fixing bases get close to each other, finally, the spring body is compressed and shortened, and assembling is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of spring assembly, in particular to an auxiliary device for assembling a valve spring. Background Art

[0002] Valves are pipe accessories used to open and close pipes, control flow direction, and adjust and control the parameters (temperature, pressure, and flow) of the conveying medium. According to their functions, they can be divided into shut-off valves, check valves, regulating valves, etc. During the assembly process, spring auxiliary devices are often required to assemble valve springs.

[0003] The existing authorization number is CN 206839998 U, which discloses a pressure spring assembly device, including a support, a cushion block, a pressure block, a connecting column and a handle; the support includes an upper plate, a lower plate and a base, there is a gap between the upper plate and the lower plate, and the base and the upper and lower plates are relatively static; the connecting column passes through the upper plate and can be slid relative to the upper plate, the pressure block is located in the gap and is detachably fixed to one end of the connecting column; the cushion block is set on the lower plate and is located in the gap, and the cushion block corresponds to the pressure block; the handle can rotate relative to a base, the handle is located above the upper plate and connected to one end of the connecting column, and the connecting column is driven to slide by rotating the handle to move the pressure block toward the direction where the cushion block is located; the utility model has the characteristics of easy assembly and saving workers' labor. However, the above-mentioned pressure spring assembly device has a relatively simple structure and is not flexible enough to control during the assembly process. Therefore, it is necessary to provide an auxiliary device for valve spring assembly to solve the above problems. Utility Model Content

[0004] The technical content of the utility model is to provide an auxiliary device for assembling a valve spring.

[0005] In order to solve the above problems, the utility model provides an auxiliary device for assembling a valve spring, comprising: a fixing column, two ends of the fixing column are provided with three sliding grooves, and two ends of the fixing column are slidably connected with sliding columns; a supporting assembly, the supporting assembly comprises two fixing plates, the two fixing plates are respectively fixedly connected to the ends of the two sliding columns, the outsides of the two fixing plates are fixedly connected with hanging rods, and the outsides of the two hanging rods are jointly sleeved with a spring body. When in use, the spring body is first sleeved on the outside of the two hanging rods, and then the two threaded sleeves are rotated to make them slide up and down on the outside of the threaded grooves, and the sliding column is synchronously made to slide and retract inside the fixing column, so that the two hanging rods begin to move away from each other, and finally the spring body is stretched. When the spring body needs to be compressed for assembly, the two fixing seats can be used to resist the two ends of the spring body, and then the two threaded sleeves are reversed to make the two fixing seats approach each other, and finally the spring body is compressed and shortened, which is convenient for assembly.

[0006] As a further solution of the utility model, both ends of the fixed column are rotatably connected with a threaded sleeve, the top of the threaded sleeve is rotatably connected with a swivel, the interior of the swivel is slidably connected with three connecting blocks and fixedly connected to the outside of the sliding column, and the three connecting blocks can make the entire sliding column stably extend and retract along the inside of the fixed column so that its trajectory will not change during the extension and retraction process.

[0007] As a further solution of the utility model, both ends of the fixed column are provided with thread grooves, and the thread grooves and the thread sleeves engage and rotate with each other. The thread grooves can make the thread sleeves slide up and down along the outside of the thread grooves when they rotate, thereby further realizing the distance control of the two hanging rods.

[0008] As a further solution of the utility model, an annular groove is opened inside the rotating ring, and the connecting block is slidably connected to the inside of the annular groove. The annular groove allows the three connecting blocks to rotate along the inside of the sliding groove, ensuring that the entire sliding column can slide up and down synchronously with the threaded sleeve.

[0009] As a further solution of the present invention, the exteriors of the two fixing plates are fixedly connected with fixing seats, the exteriors of the fixing seats are fixedly connected with rubber pads, and the fixing seats can compress the spring body to facilitate assembly operations.

[0010] As a further solution of the present invention, the inner walls of the three slide grooves are relatively smooth, and a smooth surface structure is arranged at the edges. The slide grooves can allow the connecting blocks to slide up and down along the inside of the slide grooves.

[0011] As a further solution of the utility model, a plurality of rib grooves are provided on the outside of the two threaded sleeves, and the plurality of rib grooves are irregularly provided, and the plurality of rib grooves can increase friction and prevent slipping.

[0012] As a further solution of the utility model, the outer sleeve of the fixing column is provided with a rubber sleeve, and the outer side of the rubber sleeve is provided with an anti-skid groove, and the anti-skid groove can increase the friction force and prevent skidding.

[0013] In summary, the utility model includes at least the following beneficial technical effects:

[0014] First, the utility model records an auxiliary device for assembling a valve spring, which records that when in use, the spring body is first sleeved on the outside of two hanging rods, and then the two threaded sleeves are rotated to slide up and down on the outside of the threaded groove, and the sliding column is simultaneously slid and retracted inside the fixed column, so that the two hanging rods begin to move away from each other, and finally the spring body is stretched.

[0015] Second, the utility model records an auxiliary device for assembling a valve spring, which records that when the spring body needs to be compressed for assembly, two fixing seats can be used to support the two ends of the spring body, and then the two threaded sleeves are reversed to make the two fixing seats approach each other, and finally the spring body is compressed and shortened to facilitate assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0017] Figure 1 It is a top view of the three-dimensional structure of the auxiliary device for assembling the valve spring of the utility model;

[0018] Figure 2 This is a schematic diagram of the disassembled structure of the auxiliary device for assembling the valve spring of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the swivel of the utility model;

[0020] Figure 4 This is a schematic diagram of the external structure of the fixed column of the utility model.

[0021] Figure numerals: 1, fixed column; 2, threaded sleeve; 3, swivel; 4, threaded groove; 5, sliding column; 6, fixed plate; 7, hanging rod; 8, spring body; 9, fixed seat; 10, sliding groove; 11, connecting block; 12, ring groove. DETAILED DESCRIPTION

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 The auxiliary device for assembling a valve spring comprises: a fixed column 1, three slide grooves 10 are provided at both ends of the fixed column 1, and a slide column 5 is slidably connected at both ends of the fixed column 1; a support assembly, the support assembly comprises two fixed plates 6, the two fixed plates 6 are respectively fixedly connected to the ends of the two slide columns 5, the outsides of the two fixed plates 6 are fixedly connected to the hanging rods 7, and the outsides of the two hanging rods 7 are jointly sleeved with a spring body 8. When in use, the spring body 8 is first sleeved on the outside of the two hanging rods 7, and then the two threaded sleeves 2 are rotated to slide up and down on the outside of the threaded groove 4, and the slide column 5 is simultaneously slid and retracted inside the fixed column 1, so that the two hanging rods 7 start to move away from each other, and finally the spring body 8 is stretched. When the spring body 8 needs to be compressed for assembly, the two fixed seats 9 can be used to resist the two ends of the spring body 8, and then the two threaded sleeves 2 are reversed to make the two fixed seats 9 approach each other, and finally the spring body 8 is compressed and shortened, which is convenient for assembly.

[0023] Preferably, both ends of the fixed column 1 are rotatably connected with a threaded sleeve 2, the top of the threaded sleeve 2 is rotatably connected with a swivel 3, the interior of the swivel 3 is slidably connected with three connecting blocks 11 and fixedly connected to the outside of the sliding column 5, and the three connecting blocks 11 can make the entire sliding column 5 stably extend and retract along the interior of the fixed column 1, so that the trajectory will not change during the extension and retraction process;

[0024] Preferably, both ends of the fixing column 1 are provided with a thread groove 4, and the thread groove 4 and the thread sleeve 2 are meshed and rotated with each other. The thread groove 4 can make the thread sleeve 2 slide up and down along the outside of the thread groove 4 when rotating, so as to further realize the distance control of the two hanging rods 7;

[0025] Preferably, an annular groove 12 is provided inside the rotating ring 3, and the connecting block 11 is slidably connected inside the annular groove 12. The annular groove 12 can make the three connecting blocks 11 rotate along the inside of the sliding groove 10, ensuring that the entire sliding column 5 can slide up and down synchronously with the threaded sleeve 2;

[0026] Preferably, the outsides of the two fixing plates 6 are fixedly connected with fixing seats 9, and the outsides of the fixing seats 9 are fixedly connected with rubber pads. The fixing seats 9 can compress the spring body 8 to facilitate assembly operations;

[0027] Preferably, the inner walls of the three slide grooves 10 are relatively smooth, and the edges are provided with a smooth surface structure, and the slide grooves 10 can allow the connecting block 11 to slide up and down along the inside of the slide grooves 10;

[0028] Preferably, the exterior of the two threaded sleeves 2 is provided with a plurality of rib grooves, and the plurality of rib grooves are irregularly provided, and the plurality of rib grooves can improve friction and prevent slipping;

[0029] Preferably, the exterior of the fixing column 1 is covered with a rubber sleeve, and an anti-skid groove is provided on the exterior of the rubber sleeve, and the anti-skid groove can increase friction and prevent skidding.

[0030] It should be noted that when the utility model is in use, the spring body 8 is first sleeved on the outside of the two hanging rods 7, and then the two threaded sleeves 2 are rotated to slide up and down on the outside of the thread groove 4, and the sliding column 5 is simultaneously slid and retracted inside the fixed column 1, so that the two hanging rods 7 begin to move away from each other, and finally the spring body 8 is stretched. When the spring body 8 needs to be compressed for assembly, the two fixing seats 9 can be used to support the two ends of the spring body 8, and then the two threaded sleeves 2 are reversed to make the two fixing seats 9 close to each other, and finally the spring body 8 is compressed and shortened, which is convenient for assembly;

[0031] Although the embodiments of the present invention have been shown and described, it is understandable to those skilled in the art that various changes, modifications, substitutions and variations or direct or indirect applications may be made to these embodiments without departing from the principles and spirit of the present invention. In other related technical fields, the scope of the present invention is defined by the appended claims and their equivalents, which are equally included in the scope of patent protection of the present invention.

Claims

1. An auxiliary device for assembling a valve spring, characterized in that: include: A fixed column (1), wherein three sliding grooves (10) are provided at both ends of the fixed column (1), and sliding columns (5) are slidably connected to both ends of the fixed column (1); A support assembly, the support assembly comprising two fixing plates (6), the two fixing plates (6) being fixedly connected to the ends of two sliding columns (5) respectively, the outsides of the two fixing plates (6) being fixedly connected to hanging rods (7), and the outsides of the two hanging rods (7) being jointly sleeved with a spring body (8).

2. The valve spring assembly auxiliary device according to claim 1, characterized in that: Both ends of the fixed column (1) are rotatably connected to threaded sleeves (2), the top of the threaded sleeve (2) is rotatably connected to a swivel (3), and the interior of the swivel (3) is slidably connected to three connection blocks (11) and fixedly connected to the outside of the sliding column (5).

3. The valve spring assembly auxiliary device according to claim 1, characterized in that: Both ends of the fixing column (1) are provided with thread grooves (4), and the thread grooves (4) and the thread sleeves (2) are meshed and rotated with each other.

4. The valve spring assembly auxiliary device according to claim 2, characterized in that: An annular groove (12) is provided inside the rotating ring (3), and the connecting block (11) is slidably connected inside the annular groove (12).

5. The valve spring assembly auxiliary device according to claim 1, characterized in that: The exteriors of the two fixing plates (6) are fixedly connected to fixing seats (9), and the exteriors of the fixing seats (9) are fixedly connected to rubber pads.

6. The valve spring assembly auxiliary device according to claim 1, characterized in that: The inner walls of the three slide grooves (10) are relatively smooth, and the edges are provided with a smooth surface structure.

7. The valve spring assembly auxiliary device according to claim 3, characterized in that: The exteriors of the two threaded sleeves (2) are each provided with a plurality of rib grooves, and the plurality of rib grooves are all irregularly provided.

8. The valve spring assembly auxiliary device according to claim 1, characterized in that: The exterior of the fixing column (1) is provided with a rubber sleeve, and the exterior of the rubber sleeve is provided with an anti-slip groove.

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