Oil cylinder lower hinged shaft assembling and positioning mechanism
By designing a cylinder lower hinge shaft assembly positioning mechanism including height adjustment assembly, clamp seat and central positioning assembly, the problem of difficulty in aligning the lower hinge shaft at the cylinder during assembly is solved, and stable fixation, central positioning and assembly height are achieved Adjustment improves assembly efficiency.
Patent Information
- Application Number
- CN202421222850.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-05-31
AI Technical Summary
When the cylinder is assembled with the lower hinge shaft, the lower hinge shaft is difficult to align with the cylinder block, resulting in installation difficulties and inefficient assembly.
A cylinder lower hinge shaft assembly positioning mechanism is designed, including a base, a height adjustment assembly, a lower clamping seat, an upper clamping seat, a protrusion, a fixing ring and a central positioning assembly. Through the synergy of these components, the stable fixation of the lower hinge shaft, center positioning and assembly height adjustment are achieved.
This device ensures that the lower hinge shaft is more stable during the assembly process, realizes alignment between the lower hinge shaft and the center of the cylinder, reduces assembly difficulty and improves assembly efficiency.
Smart Images
Figure CN222494022U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of oil cylinder assembly, in particular to an assembly and positioning mechanism for a lower hinge shaft of an oil cylinder. Background Art
[0002] The cylinder lower hinge shaft is an assembly part used to connect the cylinder and other mechanical parts. It is usually used in engineering machinery, hydraulic equipment and other mechanical equipment. Its function is to enable the cylinder to move and rotate within a specific angle range, thereby realizing the specific function of the equipment.
[0003] At present, when assembling the lower hinge shaft of the oil cylinder, it is difficult to align the lower hinge shaft with the cylinder body, resulting in difficulty in installing the lower hinge shaft and low assembly efficiency. Therefore, it is urgent to develop an oil cylinder lower hinge shaft assembly positioning mechanism to assist the assembly operation of the lower hinge shaft. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides an assembly and positioning mechanism for a lower hinge shaft of a cylinder, which has the advantages of good lower hinge shaft fixing effect, achieving center positioning of the lower hinge shaft and the cylinder body, and adjustable assembly height, thereby solving the problems raised in the above-mentioned background technology.
[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: an assembly and positioning mechanism for a lower hinge shaft of an oil cylinder, comprising a base, a height adjustment component is arranged on the inner side of the base, a lower clamping seat sliding on the inner side of the base is arranged on the top of the height adjustment component, an upper clamping seat is placed on the top of the lower clamping seat, both ends of the upper clamping seat and the lower clamping seat are provided with protrusions, the outer wall of the protrusion is provided with threads and is connected with a fixing ring through threads, and a center positioning component is fixed on one side of the upper clamping seat;
[0006] The height adjustment assembly includes a bidirectional screw rotatably connected to the bottom of the base, one end of the bidirectional screw is fixedly connected to a rotating handle, and the upper spiral transmission of the bidirectional screw is connected to two symmetrically arranged lower sliders, the two lower sliders are respectively slidably arranged in two lower slide grooves opened at the bottom of the base, the two lower sliders are respectively hinged to one end of two articulated arms, the two articulated arms are cross-arranged and articulated through a fixing pin, the other ends of the two articulated arms are respectively hinged to two upper sliders, and the two upper sliders are respectively slidably arranged in two upper slide grooves opened at the bottom of the lower clamping seat.
[0007] Preferably, guide blocks are fixedly provided on both side walls of the lower clamping seat, and the guide blocks are slidably arranged in two guide grooves provided on the inner wall of the base.
[0008] Preferably, the center positioning assembly includes a fixed plate fixedly connected to one side of the lower clamp seat, a positioning rod is sleeved on the top of the fixed plate, a return spring is sleeved on the outer wall of the positioning rod, a movable rod is rotatably connected to the fixed plate, one end of the movable rod passes through a through hole opened on the positioning rod and is fixedly connected to a handle.
[0009] Preferably, a nut is threadedly connected to one end of the positioning rod, and a return spring is located between the fixing plate and the nut.
[0010] Preferably, the positioning rod and the centers of the upper clamping seat and the lower clamping seat are on the same axis.
[0011] By means of the above technical solution, the utility model provides a cylinder lower hinge shaft assembly positioning mechanism, which has at least the following beneficial effects:
[0012] 1. The assembly positioning mechanism of the lower hinge shaft of the oil cylinder is provided with a lower clamp seat, an upper clamp seat, a protrusion and a fixing ring. The lower hinge shaft can be fixed by closing the lower clamp seat and the upper clamp seat, so as to ensure that the lower hinge shaft is more stable during the assembly process and the fixing of the lower hinge shaft is convenient and quick.
[0013] 2. The assembly and positioning mechanism of the lower hinge shaft of the oil cylinder sets a center positioning component and utilizes the function of the positioning rod to make one end of the positioning rod contact with the cylinder body, so that it can intuitively understand whether the center of the lower hinge shaft and the cylinder body are aligned, thereby realizing the center positioning of the lower hinge shaft and the cylinder body, reducing the difficulty of assembling the lower hinge shaft and improving the assembly efficiency.
[0014] 3. The lower hinge shaft assembly positioning mechanism of the oil cylinder can adjust the installation height of the lower hinge shaft by setting a height adjustment component, which is convenient for assembling the lower hinge shaft. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The accompanying drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application:
[0016] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the structure of the connection between the base, the height adjustment assembly and the lower clamping seat of the utility model;
[0018] Figure 3 It is a schematic diagram of the structure after the upper clamping seat and the lower clamping seat of the utility model are separated;
[0019] Figure 4 It is a schematic diagram of the structure of the center positioning component of the utility model.
[0020] Reference numerals:
[0021] 1. Base; 2. Height adjustment assembly; 21. Bidirectional screw; 22. Turn handle; 23. Lower slider; 24. Articulated arm; 25. Upper slider; 3. Lower clamp seat; 4. Guide block; 5. Upper clamp seat; 6. Protrusion; 7. Fixed ring; 8. Center positioning assembly; 81. Fixed plate; 82. Positioning rod; 83. Reset spring; 84. Nut; 85. Movable rod; 86. Through hole; 87. Handle. DETAILED DESCRIPTION
[0022] 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.
[0023] The following describes an assembly and positioning mechanism for a lower hinge shaft of an oil cylinder provided by some embodiments of the utility model in conjunction with the accompanying drawings.
[0024] Embodiment 1:
[0025] Combination Figure 1-4 As shown, the utility model provides an assembly and positioning mechanism for a lower hinge shaft of an oil cylinder, comprising a base 1, a height adjustment component 2 is arranged on the inner side of the base 1, the height adjustment component 2 can be used to adjust the assembly height of the lower hinge shaft, a lower clamping seat 3 sliding on the inner side of the base 1 is arranged on the top of the height adjustment component 2, an upper clamping seat 5 is placed on the top of the lower clamping seat 3, the lower clamping seat 3 and the upper clamping seat 5 can be used to fix the lower hinge shaft, both ends of the upper clamping seat 5 and the lower clamping seat 3 are provided with a protrusion 6, the outer wall of the protrusion 6 is provided with a thread and is connected with a fixing ring 7 through a thread, the fixing ring 7 can be used to lock the protrusion 6, so as to ensure that the lower hinge shaft is more stable after being fixed, and a center positioning component 8 is fixed on one side of the upper clamping seat 5, and the center positioning component 8 is used to realize the center positioning of the lower hinge shaft and the cylinder body.
[0026] Specifically, the height adjustment assembly 2 includes a bidirectional screw 21 rotatably connected to the bottom of the base 1, one end of the bidirectional screw 21 is fixedly connected to a handle 22, and the bidirectional screw 21 is spirally connected to two symmetrically arranged lower sliders 23, and the two lower sliders 23 are respectively slidably arranged in two lower slide grooves opened at the bottom of the base 1, and the two lower sliders 23 are respectively hinged to one end of two articulated arms 24, and the two articulated arms 24 are cross-arranged and articulated through a fixing pin, and the other ends of the two articulated arms 24 are respectively hinged to two upper sliders 25, and the two upper sliders 25 are respectively slidably arranged in two upper slide grooves opened at the bottom of the lower clamping seat 3.
[0027] Furthermore, guide blocks 4 are fixedly provided on both side walls of the lower clamping seat 3 , and the guide blocks 4 are slidably arranged in two guide grooves provided on the inner wall of the base 1 ; the arrangement of the guide blocks 4 can make the lower clamping seat 3 more stable when it is lifted or lowered.
[0028] According to the embodiment, when assembling the lower hinge shaft, the lower hinge shaft is first placed on the lower clamping seat 3, and then the upper clamping seat 5 is placed on the lower clamping seat 3. At this time, the upper clamping seat 5 and the protrusions 6 on both sides of the upper clamping seat 5 are just aligned, and the protrusions 6 are locked by the fixing ring 7 to fix the lower hinge shaft. Then, according to the assembly requirements, the handle 22 can be rotated to drive the bidirectional lead screw to rotate. The bidirectional lead screw drives the lower clamping seat 3 to move up and down through the hinge action between the lower slider 23, the articulated arm 24 and the upper slider 25, thereby adjusting the assembly height of the lower hinge shaft.
[0029] Embodiment 2:
[0030] Combination Figure 1 and Figure 4 As shown, on the basis of embodiment one, the center positioning assembly 8 includes a fixed plate 81 fixedly connected to one side of the lower clamp seat 3, a positioning rod 82 is sleeved on the top of the fixed plate 81, a return spring 83 is sleeved on the outer wall of the positioning rod 82, and a movable rod 85 is rotatably connected to the fixed plate 81, one end of the movable rod 85 passes through a through hole 86 opened on the positioning rod 82 and is fixedly connected to a handle 87.
[0031] Specifically, a nut 84 is threadedly connected to one end of the positioning rod 82 , and the reset spring 83 is located between the fixing plate 81 and the nut 84 ; the nut 84 can be used to replace the reset spring 83 .
[0032] Furthermore, the positioning rod 82 is located on the same axis as the center of the upper clamping seat 5 and the lower clamping seat 3, ensuring that the positioning rod 82 can achieve center positioning.
[0033] According to the embodiment, before assembling the lower hinge shaft, hold the handle 87 and rotate the movable rod 85, the movable rod 85 drives the positioning rod 82 to move, the positioning rod 82 moves in the horizontal direction and contacts the cylinder body, it can be intuitively understood whether the center of the lower hinge shaft and the cylinder body are aligned, thereby realizing the center positioning of the lower hinge shaft and the cylinder body. After the positioning is completed, after releasing the movable rod 85, the positioning rod 82 is reset under the action of the reset spring 83 to avoid obstruction of the installation of the lower hinge shaft.
[0034] Through the above embodiments, it can be known that the use process of the device is as follows: when assembling the lower hinge shaft, the lower hinge shaft is first placed on the lower clamp seat 3, and then the upper clamp seat 5 is placed on the lower clamp seat 3. At this time, the upper clamp seat 5 and the protrusions 6 on both sides of the upper clamp seat 5 are just aligned, and the protrusions 6 are locked by the fixing ring 7, so as to fix the lower hinge shaft. Before assembling the lower hinge shaft, hold the handle 87 and rotate the movable rod 85, the movable rod 85 drives the positioning rod 82 to move, and the positioning rod 82 moves in the horizontal direction and contacts the cylinder body, which can be intuitively understood. Check whether the center of the lower hinge shaft is aligned with the center of the cylinder body. If not, turn the handle 22 to drive the bidirectional screw to rotate. The bidirectional screw drives the lower clamping seat 3 to move up and down through the hinge action between the lower slider 23, the articulated arm 24 and the upper slider 25, thereby adjusting the assembly height of the lower hinge shaft to ensure that the center of the lower hinge shaft is aligned with the center of the cylinder body. After positioning is completed, release the movable rod 85, and the positioning rod 82 is reset under the action of the reset spring 83 to avoid obstruction of the installation of the lower hinge shaft, and then the cylinder body and the lower hinge shaft can be assembled together.
[0035] It should be noted that the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.
[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A cylinder lower hinge shaft assembly positioning mechanism, comprising a base (1), characterized in that: A height adjustment component (2) is arranged on the inner side of the base (1), a lower clamping seat (3) sliding on the inner side of the base (1) is arranged on the top of the height adjustment component (2), an upper clamping seat (5) is placed on the top of the lower clamping seat (3), protrusions (6) are arranged at both ends of the upper clamping seat (5) and the lower clamping seat (3), threads are arranged on the outer wall of the protrusion (6) and a fixing ring (7) is connected through the threads, and a center positioning component (8) is fixedly arranged on one side of the upper clamping seat (5); The height adjustment assembly (2) comprises a bidirectional screw (21) rotatably connected to the bottom of the base (1), one end of the bidirectional screw (21) is fixedly connected to a rotating handle (22), the bidirectional screw (21) is spirally connected to two symmetrically arranged lower sliders (23), the two lower sliders (23) are respectively slidably arranged in two lower slide grooves opened at the bottom of the base (1), the two lower sliders (23) are respectively hinged to one end of two hinged arms (24), the two hinged arms (24) are cross-arranged and hinged by a fixing pin, the other ends of the two hinged arms (24) are respectively hinged to two upper sliders (25), and the two upper sliders (25) are respectively slidably arranged in two upper slide grooves opened at the bottom of the lower clamping seat (3).
2. The assembly and positioning mechanism for the lower hinge shaft of the oil cylinder according to claim 1 is characterized in that: Guide blocks (4) are fixedly provided on both side walls of the lower clamping seat (3), and the guide blocks (4) are slidably arranged in two guide grooves provided on the inner wall of the base (1).
3. The assembly and positioning mechanism for the lower hinge shaft of the oil cylinder according to claim 1, characterized in that: The center positioning assembly (8) comprises a fixed plate (81) fixedly connected to one side of the lower clamping seat (3); a positioning rod (82) is sleeved on the top of the fixed plate (81); a return spring (83) is sleeved on the outer wall of the positioning rod (82); a movable rod (85) is rotatably connected to the fixed plate (81); one end of the movable rod (85) passes through a through hole (86) provided on the positioning rod (82) and is fixedly connected to a handle (87).
4. The assembly and positioning mechanism for the lower hinge shaft of the oil cylinder according to claim 3 is characterized in that: A nut (84) is threadedly connected to one end of the positioning rod (82), and a return spring (83) is located between the fixing plate (81) and the nut (84).
5. The assembly and positioning mechanism for the lower hinge shaft of the oil cylinder according to claim 3 is characterized in that: The positioning rod (82) and the centers of the upper clamping seat (5) and the lower clamping seat (3) are located on the same axis.