Adjustable limiter device
By designing an adjustable limiter device, the structure of the slide rod, slide shaft and fixed plate is used to realize real-time adjustment of the effective limit of the sliding shaft of the equipment door and the change in the distance between the equipment door and the equipment body, which solves the problems of insufficient stability and inability to adjust in real time, and improves the stability and application range of the limiter.
Patent Information
- Application Number
- CN202420558830.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-22
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-03-22
AI Technical Summary
The existing limiters are not stable when opening and closing the equipment door, cannot effectively limit the sliding shaft, and are easily damaged on large equipment, so they cannot be adjusted in real time to adapt to the changes in the distance between the equipment door and the equipment body.
An adjustable limiter device is designed, including a base, a slide rod, a slide shaft, a fixing plate and a buffering device. By providing a fixing hole on the side wall of the slide rod, the slide shaft cap is equipped with a fixing hole fixed to the equipment door, and the fixing plate is provided with perforated holes. The limit bolts and adjustable fixing plate positions are used to realize dynamic adjustment of the limit position of the slide shaft and the distance between the equipment door and the equipment body.
It improves the stability and application range of the limiter, realizes real-time adjustment of the effective limit of the sliding shaft and the change in the distance between the equipment door and the equipment body, reduces the inertia force, and extends the service life of the limiter.
Smart Images
Figure CN222595783U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of limiters, in particular to an adjustable limiter device. Background Art
[0002] The structure of the adjustable limiter usually includes the following parts:
[0003] Limit body: The limit body is the core component of the limiter, usually made of high-strength material, with sufficient rigidity and wear resistance. The main function of the limit body is to withstand and transmit external forces to achieve position restriction of equipment or components.
[0004] Limiting element: The limiting element is the key component of the limiter to achieve the limiting function, usually made of elastic materials such as rubber, spring, etc. The main function of the limiting element is to produce elastic deformation when the equipment or component reaches the predetermined position, thereby achieving precise control of the position.
[0005] Adjustment mechanism: The adjustment mechanism is an important part of the adjustable limiter, which is used to adjust the position or preload of the limit element to meet different application requirements. Common adjustment mechanisms include thread adjustment, lever adjustment, motor drive, etc.
[0006] Connecting parts: Connecting parts are used to connect the limiter to the equipment or components to ensure that it can work stably and reliably. Connecting parts usually include fasteners such as bolts, nuts, pins, and connecting structures such as connecting plates and flanges.
[0007] When the equipment door is opened and closed, a limiter is required to provide adjustably support for the equipment door. However, the existing limiters on the market are not very stable and cannot limit the sliding shaft when it slides. Due to the strong inertia on the high-weight door of large equipment, the limiter is easily damaged during use, which does not meet the installation conditions of silent equipment. In addition, due to the change in the distance between the equipment door and the equipment body, the limiter cannot be adjusted in real time. How to adjust the distance between the limiter slide rails to reduce the inertia force, improve the stability of the limiter, and limit its sliding shaft has become an urgent problem that relevant technical personnel in this field need to solve. Utility Model Content
[0008] The purpose of the utility model is to provide an adjustable limiter device to solve the problems raised in the above background technology.
[0009] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0010] Provided is an adjustable limiter device, comprising a base, a slide rod, a slide shaft, a fixing plate and a buffer device;
[0011] One end of the slide rod is connected to the base, and the other end of the slide rod is connected to the fixed plate. The base is fixed on the corresponding equipment body. A slide groove is provided in the middle of the slide rod. One end of the slide shaft passes through the slide groove and is fixed on the corresponding equipment door. The connection between the equipment door and the equipment body is a hinge. When the equipment door is opened and closed, the slide shaft rotates with the hinge as the rotation point and slides on the slide groove, thereby driving the slide rod to rotate with the base as the rotation point. The base, slide shaft and hinge form a stable triangular structure.
[0012] Furthermore, the sliding rod body is provided with first fixing holes on the surface thereof, which are arranged in sequence and at intervals on both sides of the sliding groove in the middle of the sliding rod.
[0013] Furthermore, the sliding shaft is provided with a shaft cap, a flange, a central axis and a flat washer, the flange is provided at the lower end of the shaft cap, the flanges and flat washer are respectively connected at both ends of the central axis, the flange on the connection between the flange and the central axis completely covers the central axis and exceeds part of the area, the flat washer on the connection between the flat washer and the central axis completely covers the central axis and exceeds part of the area, and the shaft cap on the connection between the shaft cap and the flange completely covers the flange and exceeds part of the area.
[0014] Furthermore, a second fixing hole is provided on the surface of the shaft cap beyond the flange, and the second fixing hole is fixed to a corresponding position of the equipment door.
[0015] Furthermore, the slide bar is connected to the base via a rotating bolt, and the slide bar can be rotated via the rotating bolt.
[0016] Furthermore, the base is provided with a blocking plate, the blocking plate is at least two pieces, the rotating bolt passes through the two blocking plates and is fixed, and the sliding rod is connected to the rotating bolt through a through hole and is clamped and limited by the blocking plates.
[0017] Furthermore, the second plate of the fixing plate is provided with a groove portion corresponding to the slide rod, and both sides of the second plate are provided with a clamping groove, and the bolt can pass through the clamping groove to be fixed to the first fixing hole.
[0018] Furthermore, the slot wall of the clamping slot is provided with a first slot edge and a second slot edge, and the first slot edge and the second slot edge are in a stepped shape.
[0019] Furthermore, when the sliding shaft slides to the top end of the sliding groove in the middle of the sliding rod, the sliding shaft contacts the force unloading end of the buffer device.
[0020] Furthermore, the narrowest opposite end of the flat pad cross section is larger than the width of the slide rod slot, the widest opposite end of the central axis cross section is smaller than the width of the slide rod slot, and the narrowest opposite end of the flange cross section is larger than the width of the slide rod slot.
[0021] Compared with the prior art, the beneficial effects of the utility model are:
[0022] The utility model has a first fixing hole on the side wall of the sliding rod, a second fixing hole fixed to the equipment door on the sliding shaft cap, and a first through-hole on the fixing plate. When the sliding shaft slides to a corresponding position, the sliding shaft can be limited by a limiting bolt passing through the first through-hole, and first through-holes corresponding to the first fixing holes are provided on both sides of the fixing plate. The first fixing holes are distributed on both sides of the sliding groove of the sliding rod, and the fixing position of the fixing plate and the sliding rod can be adjusted according to the distance between the equipment door and the equipment body. The adjustability of the fixing plate is utilized to greatly increase the application range of the limiter. The utility model has the characteristics of strong stability, adjustability, and simple operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 This is the overall structural diagram of the adjustable limiter device of the utility model;
[0024] Figure 2 This is a structural diagram of the base of the adjustable limiter device of the utility model;
[0025] Figure 3 This is a structural diagram of the slide bar of the adjustable limiter device of the utility model;
[0026] Figure 4 This is a structural diagram of the sliding shaft of the adjustable limiter device of the utility model;
[0027] Figure 5 This is a structural diagram of a fixed plate of the adjustable limiter device of the utility model;
[0028] Figure 6 This is a connection structure diagram of the adjustable limiter device of the utility model;
[0029] Figure 7 This is a diagram showing the effect of using the adjustable limiter device of the utility model;
[0030] The markings of the components in the accompanying drawings are as follows: 1 base; 11 bottom plate; 111 first bolt hole; 12 blocking plate; 13 rotating bolt; 2 sliding rod; 21 rod body; 22 rotating hole; 23 first fixing hole; 24 sliding groove; 3 sliding shaft; 31 shaft cap; 311 second fixing hole; 32 flange; 33 middle shaft; 331 third fixing hole; 34 flat washer; 341 fourth fixing hole; 4 fixing plate; 41 second plate; 411 first through hole; 412 slot; 4121 first groove edge; 4122 second groove edge; 42 first plate; 421 second through hole; 5 buffer device; 51 buffer shaft; 52 first screw; 53 second screw; 6 limiting bolt; 7 equipment door; 8 equipment body; 9 hinge; 10 triangular structure. DETAILED DESCRIPTION
[0031] 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.
[0032] See also Figure 1 , Figure 3 and Figure 5 , provides an adjustable limiter device, including a base 1, a slide bar 2, a slide shaft 3, a fixed plate 4 and a buffer device 5; one end of the slide bar 2 is connected to the base 1, and the base 1 is fixed on the corresponding equipment body 8, the fixed plate 4 is provided with a first plate 42 and a second plate 41, the second plate 41 is fixed on the side of the slide bar 2 at the opposite end of the slide bar 2 and the base 1, the first plate 42 is provided with a second through hole 421, the buffer device 5 passes through the second through hole 421 and is fixed by screws, a slide groove 24 is provided in the middle of the slide bar 2, and one end of the slide shaft 3 passes through the slide groove 24 and is fixed to the corresponding connection point.
[0033] See also Figure 3 A first fixing hole 23 is provided on the surface of the rod body 21 of the slide bar 2, which is arranged in sequence on both sides of the slide groove 24 in the middle of the slide bar 2. The slide groove 24 is a long strip of perforation, and arc walls are provided at both ends of the slide groove 24. The arc walls are consistent with the curvature of the outer wall of the central axis 33 of the slide bar 2. When the slide bar 2 slides to the top of the slide groove 24, the outer wall of the central axis 33 can contact the top of the inner wall of the slide groove 24. A rotating hole 22 is provided at one end of the slide bar 2, and the rotating hole 22 is connected and consistent with the rotating rod. The slide bar 2 is connected to the base 1 through a rotating bolt 13, and the slide bar 2 can be rotated through the rotating bolt 13.
[0034] See also Figure 4The sliding shaft 3 is provided with a shaft cap 31, a flange 32, a middle shaft 33 and a flat washer 34. The flange 32 is provided at the lower end of the shaft cap 31. The two ends of the middle shaft 33 are respectively connected to the flange 32 and the flat washer 34. The flange 32 on the connection between the flange 32 and the middle shaft 33 completely covers the middle shaft 33 and exceeds part of the area. The flat washer 34 on the connection between the flat washer 34 and the middle shaft 33 completely covers the middle shaft 33 and exceeds part of the area. The shaft cap 31 on the connection between the flange 32 and the flange 32 completely covers the flange 32 and exceeds part of the area. A second fixing hole 311 is provided on the surface of the shaft cap 31 extending beyond the flange 32, and the second fixing hole 311 is fixed to the corresponding position of the equipment door 7. Preferably, there are four first fixing holes 23, which are respectively provided at the four ends of the shaft cap 31, and the sliding shaft 3 is fixed to the equipment door 7 by bolts passing through the second fixing holes 311. A third fixing hole 331 is provided at the bottom end of the central shaft 33, and the flat pad 34 is provided with a fourth fixing hole 341 corresponding to the third fixing hole 331. Since the central shaft 33 touches the sliding rod 2 when sliding on the sliding groove 24, the provision of the third fixing hole 331 can eliminate part of the collision stress, thereby increasing the service life of the central shaft 33 and preventing the central shaft 33 from breaking easily.
[0035] See also Figure 2 The base 1 is provided with a blocking plate 12, and the blocking plate 12 is at least two pieces. The rotating bolt 13 passes through the two blocking plates 12 and is fixed. The sliding rod 2 is connected with the rotating bolt 13 through holes and is clamped and limited by the blocking plates 12. When the door is opened and closed, the sliding rod 2 rotates through the rotating bolt 13, and the blocking plates 12 on both sides prevent the sliding rod 2 from falling off.
[0036] See also Figure 5 The second plate 41 of the fixing plate 4 is provided with a groove corresponding to the slide bar 2, and the second plate 41 is provided with a clamping groove 412 on both sides, and the bolt can pass through the clamping groove 412 and be fixed to the first fixing hole 23. The wall of the clamping groove 412 is provided with a first groove edge 4121 and a second groove edge 4122, and the first groove edge 4121 and the second groove edge 4122 are stepped.
[0037] See also Figure 6 The buffer device 5 passes through the second through hole 421 of the first plate 42 of the fixing plate 4, and the buffer device 5 is clamped and fixed at the second through hole 421 by the first screw 52 and the second screw 53. When the slide shaft 3 slides to the top of the middle slide groove 24 of the slide bar 2, the slide shaft 3 contacts the force-releasing end of the buffer device 5. The narrowest end of the cross section of the flat pad 34 is larger than the width of the slide groove 24 of the slide bar 2, the widest end of the cross section of the middle shaft 33 is smaller than the width of the slide groove 24 of the slide bar 2, and the narrowest end of the cross section of the flange 32 is larger than the width of the slide groove 24 of the slide bar 2;
[0038] See also Figure 7, the base 1 is fixed on the device body 8, the sliding shaft 3 is fixed on the device door 7, and the sliding rod 2 is fixed on the device body 8. When the device door 7 is opened, the sliding shaft 3 slides to the top of the sliding groove 24 of the sliding rod 2, and the sliding shaft 3 contacts the buffer shaft 51. Then, the limiting bolt 6 is inserted into the first through hole 411 to prevent the sliding shaft 3 from returning and support the device door 7;
[0039] The connection between the equipment door 7 and the equipment body 8 is a hinge 9, the base 1 and the hinge 9 are two fixed points, the sliding shaft 3 slides on the slide groove 24 as a moving point, the base 1, the sliding shaft 3 and the hinge 9 form a triangular structure 10, the slide bar 2, the equipment door 7 and the equipment body 8 are the three sides of the triangular structure, and the opening and closing of the equipment door 7 is controlled by changing the angle between the equipment door 7 and the equipment body 8. When the equipment door 7 is opened and closed, the sliding shaft 3 slides on the slide groove 24, thereby driving the slide bar 2 to rotate with the base 1 as the rotation point. The base 1, the sliding shaft 3 and the hinge 9 of the equipment door 7 in any state when opening and closing form a triangular structure 10, and the sliding distance of the sliding shaft 3 in the slide groove 24 can also be controlled by adjusting the position of the fixed plate 4 on the slide bar 2, thereby controlling the rotatable angle range between the equipment door 7 and the equipment body 8, and the inertia force when the equipment door 7 is opened is controlled by limiting the range of the rotatable angle to protect the limiter.
[0040] The utility model is provided with a first fixing hole 23 on the side wall of the slide bar 2, a second fixing hole 311 fixed to the door is provided on the shaft cap 31 of the slide shaft 3, and the fixing plate 4 is provided with a first through hole 411. When the slide shaft 3 slides to the corresponding position, the slide shaft 3 can be limited by passing the limiting bolt 6 through the first through hole 411, and the first through holes 411 corresponding to the first fixing hole 23 are provided on both sides of the fixing plate 4. The first fixing holes 23 are distributed on both sides of the slide groove 24 of the slide bar 2. The fixing position of the fixing plate 4 and the slide bar 2 can be adjusted according to the distance between the device door 7 and the device body 8. The adjustability of the fixing plate 4 greatly increases the applicable scope of the limiter. The utility model has the characteristics of strong stability, adjustable, simple operation, etc. The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field within the technical scope disclosed by the utility model, according to the technical solution and the utility model concept of the utility model, is equivalently replaced or changed, which should be covered within the protection scope of the utility model.
Claims
1. An adjustable limiter device, characterized in that: It comprises a base (1), a sliding rod (2), a sliding shaft (3) and a fixing plate (4); One end of the slide bar (2) is connected to the base (1), and the other end of the slide bar (2) is connected to the fixed plate (4). The base (1) is fixed on the corresponding equipment body (8). A slide groove (24) is provided in the middle of the slide bar (2). One end of the slide shaft (3) passes through the slide groove (24) and is fixed at a corresponding position of the equipment door (7). The connection between the equipment door (7) and the equipment body (8) is a hinge (9). When the equipment door (7) is opened or closed, it rotates with the hinge (9) as the rotation point. The slide shaft (3) slides on the slide groove (24), thereby driving the slide bar (2) to rotate with the base (1) as the rotation point. The base (1), the slide shaft (3) and the hinge (9) form a triangular structure (10).
2. The adjustable limiter device according to claim 1, characterized in that: The slide bar (2) has a rod body (21) with first fixing holes (23) arranged in sequence and spaced apart on both sides of a slide groove (24) in the middle of the slide bar (2).
3. The adjustable limiter device according to claim 2, characterized in that: The sliding shaft (3) is provided with a shaft cap (31), a flange (32), a middle shaft (33) and a flat washer (34); the flange (32) is provided at the lower end of the shaft cap (31); the flange (32) and the flat washer (34) are respectively connected at both ends of the middle shaft (33); the flange (32) at the connection between the flange (32) and the middle shaft (33) completely covers the middle shaft (33) and exceeds a part of the area; the flat washer (34) at the connection between the flat washer (34) and the middle shaft (33) completely covers the middle shaft (33) and exceeds a part of the area; the shaft cap (31) at the connection between the shaft cap (31) and the flange (32) completely covers the flange (32) and exceeds a part of the area.
4. The adjustable limiter device according to claim 3, characterized in that: A second fixing hole (311) is provided on the surface of the shaft cap (31) beyond the flange (32), and the second fixing hole (311) is fixed to a corresponding position of the equipment door (7).
5. The adjustable limiter device according to claim 1, characterized in that: The slide bar (2) is connected to the base (1) via a rotating bolt (13), and the slide bar (2) can be rotated via the rotating bolt (13).
6. The adjustable limiter device according to claim 5, characterized in that: The base (1) is provided with a blocking plate (12), the blocking plate (12) is at least two pieces, the rotating bolt (13) passes through the two blocking plates (12) and is fixed, and the sliding rod (2) is connected to the rotating bolt (13) through a through hole and is clamped and limited by the blocking plate (12).
7. The adjustable limiter device according to claim 3, characterized in that: The invention comprises a buffer device (5), wherein the fixing plate (4) is provided with a first plate (42) and a second plate (41), wherein the first plate (42) is provided with a second through hole (421), wherein the buffer device (5) passes through the second through hole (421) and is fixed by means of screws, wherein the second plate (41) of the fixing plate (4) is provided with a groove corresponding to the slide rod (2), and the second plate (41) is provided with a clamping groove (412) on both sides, and the bolts can pass through the clamping groove (412) and be fixed to the first fixing hole (23).
8. The adjustable limiter device according to claim 7, characterized in that: The slot wall of the clamping slot (412) is provided with a first slot edge (4121) and a second slot edge (4122), and the first slot edge (4121) and the second slot edge (4122) are in a stepped shape.
9. The adjustable limiter device according to claim 7, characterized in that: When the sliding shaft (3) slides to the top end of the sliding groove (24) in the middle of the sliding rod (2), the sliding shaft (3) contacts the force-releasing end of the buffer device (5).
10. The adjustable limiter device according to claim 3, characterized in that: The narrowest opposite end of the cross section of the flat pad (34) is larger than the width of the slide groove (24) of the slide rod (2), the widest opposite end of the cross section of the central axis (33) is smaller than the width of the slide groove (24) of the slide rod (2), and the narrowest opposite end of the cross section of the flange (32) is larger than the width of the slide groove (24) of the slide rod (2).