CN220320160U - Self-locking damping block - Google Patents

Abstract

The application discloses from locking-type damping piece belongs to damping technical field, including the casing, damping canceling release mechanical system sets up the inside at the casing, and damping canceling release mechanical system includes the connecting axle, and the cover is equipped with the ratchet on the connecting axle, is fixed with the torsional spring on the connecting axle, the bottom of torsional spring and the interior bottom wall fixed connection of casing, locking mechanism set up the inside at the casing, and locking mechanism includes spacing axle, the inner wall sliding connection of spacing axle and casing. This a from locking-type damping piece can make the connecting axle twist through putting the bearing, and the connecting axle can make the ratchet rotate at the in-process that twists, can make the torsional spring produce deformation, and the torsional spring can be continued to rotate and provide the reaction force, and the torsional spring can make equipment reset fast under the effect that does not have the external force, through setting up spacing axle, can drive the position of stopper and go up and down, the stopper can be with the ratchet contact when rising to certain position, carries out the joint with the teeth of a cogwheel of ratchet.

Description

Self-locking damping block

Technical Field

The application belongs to the damping technical field, and especially relates to a self-locking damping block.

Background

The damper is a device for providing resistance to movement and consuming movement energy, and various dampers (or shock absorbers) are already applied to the industries of aerospace, aviation, military industry, firearms, automobiles and the like to absorb vibration and dissipate energy, and the damper is required to have a self-locking function under special use environments.

The utility model of the prior application number CN202220151710.4 discloses a damper, which comprises a shell, wherein a cavity is formed in the shell, the front end of a mandrel stretches into the cavity and can rotate relative to the shell, the rear end of the mandrel stretches out of the cavity and is sleeved with a cap head, and a one-way bearing is arranged between the cap head and the rear end of the mandrel so that the cap head can synchronously rotate or idle relative to the mandrel.

By adopting the technical scheme, although the damping force can be provided within the 360-degree rotation angle range, the angle range of the damping force which can be provided is large, and the application range is wide; the unidirectional bearing realizes unidirectional rotation of the cap head relative to the mandrel, drives the mandrel to synchronously rotate when the cap head is rotated in a preset direction, and idles relative to the mandrel when the cap head is rotated in an opposite direction, so that unexpected damping force possibly caused by misoperation is avoided, but the damper is positive in actual use, not only a damping force is needed to be provided for the rotation process, but also the damper is fixed in position at the position when the damper is regulated to the corresponding position, so that the effect of regulating a device using the damper to an adaptive working state is achieved, and after the damper is used, the reset can be rapidly completed, so that the device using the damper is driven to contact the working state.

Therefore, we propose a self-locking damping block to solve the above problems.

Disclosure of Invention

The purpose of this application is in order to solve prior art, and device simple structure can lock the adaptation device according to actual conditions and dead state when the needs are released, can accomplish the problem that resets fast, and a self-locking damping piece is proposed.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a self-locking damping block comprises a shell;

the damping reset mechanism is arranged in the shell and comprises a connecting shaft, a ratchet wheel is sleeved on the connecting shaft, a torsion spring is fixed on the connecting shaft, and the bottom end of the torsion spring is fixedly connected with the inner bottom wall of the shell;

the locking mechanism is arranged in the shell and comprises a limiting shaft, the limiting shaft is in sliding connection with the inner wall of the shell, a limiting block is fixedly connected to the top end of the limiting shaft, and two clamping blocks are clamped in the limiting shaft.

Preferably, the locking mechanism further comprises a spring bin, and a spring is arranged in the spring bin.

Preferably, a limiting ring is fixedly connected to the limiting shaft, and the limiting ring is in contact with the spring.

Preferably, the bottom surface of casing has seted up the spacing groove, the fixture block joint is at the inner wall in spacing groove, the fixture block can enter into the inside of spacing axle through pressing.

Preferably, the bottom fixedly connected with cardboard of spacing axle can make spacing axle accomplish the lift through cardboard pulling spacing axle.

Preferably, the inner wall of the shell is fixedly connected with a bearing, and the inner ring of the bearing is fixedly connected with the connecting shaft.

Preferably, the top end of the connecting shaft is fixedly connected with a connecting plate, and a plurality of connecting holes are formed in the connecting plate.

To sum up, the technical effects and advantages of the present application are: can make the connecting axle twist through setting up the bearing, the connecting axle can make the ratchet rotate at the in-process that twists, can make the torsional spring produce deformation, the torsional spring can last to rotate and provide the reaction force, the torsional spring can make equipment reset fast under the effect that does not have the external force, through setting up spacing axle, can drive the position of stopper and go up and down, the stopper can contact with the ratchet when rising to certain position, carry out the joint with the teeth of a cogwheel of ratchet, will fix the position of ratchet after the joint, make the ratchet can not continue to rotate.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of a housing according to the present utility model;

FIG. 2 is a schematic view of the internal perspective of the housing of the present utility model;

FIG. 3 is a schematic diagram of a damping reset mechanism according to the present utility model;

fig. 4 is a schematic view of a three-dimensional structure of the locking mechanism of the present utility model.

In the figure: 10. a housing; 101. a limit groove; 20. a connecting plate; 21. a connection hole; 30. a damping reset mechanism; 31. a bearing; 32. a connecting shaft; 33. a ratchet wheel; 34. a torsion spring; 40. a locking mechanism; 41. a limiting shaft; 411. a limiting block; 412. a clamping block; 413. a clamping plate; 414. a limiting ring; 42. a spring cabin; 43. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a self-locking damping block comprises a housing 10, a limit groove 101 is formed in the bottom surface of the housing 10, a connecting plate 20 is arranged above the housing 10, a plurality of connecting holes 21 are formed in the connecting plate 20, the damping block can be combined with other structures through the connecting holes 21 so as to be suitable for various use scenes, a damping reset mechanism 30 is arranged in the housing 10, the damping reset mechanism 30 can provide damping force for the connecting plate 20, the connecting plate 20 can be reset when the damping force needs to be relieved, a locking mechanism 40 is further arranged in the housing 10, the locking mechanism 40 can limit the position of the damping reset mechanism 30, and the locking mechanism and the damping reset mechanism can achieve the effect of locking the connecting plate 20.

Referring to fig. 2 and 3, the damping restoring mechanism 30 includes a bearing 31, the bearing 31 is fixed inside the housing 10, an inner ring of the bearing 31 is rotatably connected with a connecting shaft 32, an outer surface of the connecting shaft 32 is fixedly connected with a ratchet 33, a torsion spring 34 is further provided inside the housing 10, a bottom end of the torsion spring 34 is fixedly connected with an inner bottom wall of the housing 10, and a top end of the torsion spring 34 is fixedly connected with the connecting shaft 32.

Referring to fig. 2 and 4, the locking mechanism 40 includes a limiting shaft 41, a limiting block 411 is fixedly connected to the top end of the limiting shaft 41, a limiting ring 414 and a clamping plate 413 are fixedly installed on the limiting shaft 41, two clamping blocks 412 are clamped on the limiting shaft 41, the two clamping blocks 412 can rotate in a certain amount inside the limiting groove 101, the ratchet 33 can drive the limiting block 411 to move in a single direction in the rotating process, and the two clamping blocks 412 can retract inside the limiting shaft 41 after being pressed.

With continued reference to fig. 2 and 4, the locking mechanism 40 further includes a spring bin 42, a spring 43 is disposed in the spring bin 42, when the locking of the ratchet 33 needs to be released, the clamping block 412 is ejected by pulling down the clamping plate 413, at this time, the spring 43 is compressed, when the clamping block 412 is pressed down, the spring 43 resets, and the limiting block 411 is driven to rise, so that the effect of locking the ratchet 33 is achieved.

The working principle of the utility model is that; when the device is used, the damping block is connected with a position where the device is used, an installation object is connected with the damping device through the connecting hole 21, after the installation is completed, the position of the limiting shaft 41 can be driven to move downwards through the pull-down clamping plate 413, the limiting block 411 contacts the limiting state of the ratchet wheel 33 in the downward moving process, the limiting ring 414 compresses the spring 43, the clamping block 412 pops out of the limiting shaft 41 and is clamped in the limiting groove 101, the connecting plate 20 can be twisted after the downward pulling is completed, the ratchet wheel 33 is driven to rotate in the bearing 31 by the rotation of the connecting plate 20, the ratchet wheel 33 is driven to rotate by the rotation of the bearing 31, the torsion spring 34 can provide damping force when the connecting shaft 32 rotates, after the position adjustment is completed, the twisting is stopped, the clamping block 412 is contracted to the inside of the limiting shaft 41 by pressing the clamping block 412, the spring 43 is reset, the limiting block 411 is driven to ascend, the limiting block 411 is clamped in the middle of the clamping teeth of the ratchet wheel 33, and when the position limitation of the ratchet wheel 33 is required to be released, the effect of locking and releasing can be achieved by pulling the limiting shaft 41.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. A self-locking damping block, comprising;

a housing (10);

the damping reset mechanism (30), the damping reset mechanism (30) is arranged in the shell (10), the damping reset mechanism (30) comprises a connecting shaft (32), a ratchet wheel (33) is sleeved on the connecting shaft (32), a torsion spring (34) is fixed on the connecting shaft (32), and the bottom end of the torsion spring (34) is fixedly connected with the inner bottom wall of the shell (10);

the locking mechanism (40), locking mechanism (40) set up the inside at casing (10), locking mechanism (40) are including spacing axle (41), the inner wall sliding connection of spacing axle (41) and casing (10), the top fixedly connected with stopper (411) of spacing axle (41), the inside joint of spacing axle (41) has two fixture blocks (412).

2. A self-locking damper block according to claim 1, wherein: the locking mechanism (40) further comprises a spring bin (42), and a spring (43) is arranged in the spring bin (42).

3. A self-locking damper block according to claim 2, wherein: and a limiting ring (414) is fixedly connected to the limiting shaft (41), and the limiting ring (414) is contacted with the spring (43).

4. A self-locking damper block according to claim 1, wherein: the bottom surface of casing (10) has seted up spacing groove (101), fixture block (412) joint is at the inner wall of spacing groove (101), fixture block (412) can enter into the inside of spacing axle (41) through pressing.

5. A self-locking damper block according to claim 1, wherein: the bottom end of the limiting shaft (41) is fixedly connected with a clamping plate (413), and the limiting shaft (41) can be lifted by pulling the limiting shaft (41) through the clamping plate (413).

6. A self-locking damper block according to claim 1, wherein: the inner wall of the shell (10) is fixedly connected with a bearing (31), and the inner ring of the bearing (31) is fixedly connected with a connecting shaft (32).

7. A self-locking damper block according to claim 1, wherein: the top of connecting axle (32) fixedly connected with connecting plate (20), a plurality of connecting holes (21) have been seted up on connecting plate (20).