CN222595815U - A light opening and closing force buffer structure - Google Patents

Abstract

A light-lifting closing force buffering structure comprises a shell, a damping rod arranged in the shell, sliding blocks hinged to two ends of the damping rod and a tension spring connected between the two sliding blocks, wherein the two sliding blocks are identical in structure and symmetrical to each other, the tension spring is hung at the lower end of the sliding block to enable the sliding block to have downward rotating deflection force, a guide groove for enabling the sliding block to horizontally slide along the shell is formed in the shell, a downward bending limit opening is formed in one end, far away from the sliding block, of the guide groove, an included angle between the limit opening and the guide groove is set to be 90 degrees, the outline of the limit opening is matched with a guide column, the distance between the center point of the limit opening and the bottom edge of the guide groove is set to be L, the distance L is larger than the radius R of the guide column and smaller than the diameter D of the guide column, the L is larger than the R, the guide column cannot be easily separated from the limit opening in the sliding door moving process, the buffering effect is guaranteed, and the guide column cannot be easily separated from the limit opening when the sliding block is enabled to be subjected to the opening and closing force.

Description

Light lifting and closing force buffer structure

Technical Field

The utility model relates to the technical field of sliding door sliding rail buffer hanging wheels, in particular to a light lifting and closing force buffer structure.

Background

With the development of social demands and smooth doors, the hanging type smooth sliding doors in the market at present are convenient and attractive to install because of low moving noise, and the hanging type smooth sliding doors do not need to be installed on the ground during installation, so that the hanging type smooth sliding doors are widely applied to indoor decoration.

The bidirectional buffering hanging wheel device for the shower room comprises a buffering main body, a hanging wheel assembly and a tail wheel assembly, wherein the hanging wheel assembly and the tail wheel assembly are respectively connected to two ends of the buffering main body, the buffering main body comprises a shell, sliding blocks, damping rods, springs and a blocking piece, two groups of guide grooves are formed in the side wall of the shell, one end, close to the end of the shell, of each guide groove is bent downwards, one sliding block is respectively connected in each guide groove, the two sliding blocks are placed in opposite directions and are respectively connected to two ends of the damping rods and the springs, limiting protrusions are arranged at the lower end of the blocking piece, elastic triangular protrusions are arranged on one side, close to the downward bending sides of the guide grooves, of the upper end of each sliding block, fixing triangular protrusions are arranged on the other side of the upper end of each sliding block, the right-angle sides of the elastic triangular protrusions and the fixing triangular protrusions are opposite to form a bayonet in the middle, and the bayonet can be mutually clamped with the limiting protrusions.

However, in the bidirectional buffer structure, in order to make the slider stay at one end of the guide groove, a locking portion bent downward is provided at one end of the guide groove, the guide post on the slider is locked into the locking portion, and in order to make the sliding door smoother when opening or closing, the included angle between the locking portion and the guide groove is usually set to be equal to or greater than 100 °, so that the guide post can smoothly separate from the locking portion, but in the process of moving the sliding door, the guide post is easy to separate from the locking portion, so that the damping rod is contracted in advance to lose the buffer function, therefore, the elasticity of the spring needs to be increased to improve the downward deflection force of the slider, and the larger elasticity needs to be increased to drive the slider to achieve about 35N to drive the slider to separate from the locking portion, and in the process of moving the sliding door, the larger locking force generally is about 10N, so that inconvenience is brought to a user, and the structure of the buffer main body is also damaged, so that the buffer hook is not easy to separate from the buffer hook after the pulling force is reduced.

Disclosure of utility model

In order to overcome the defects in the prior art, the utility model provides a light lifting and closing force buffer structure.

The technical scheme adopted for solving the technical problems is as follows:

The utility model provides a gently play power buffer structure, includes casing, movable mounting damping pole in the casing, articulates the slider at damping pole both ends and connects the pulling force spring between two sliders, two slider structures are the same and mutual symmetry, pulling force spring hook makes the slider have the deflection power of downwarping at the lower extreme of slider, be equipped with on the casing and supply the slider along casing horizontal slip's guide way, the both sides of slider are equipped with the guide post that is used for the cooperation to slide in the guide way, the guide post is equipped with two sets of and is located the front portion and the rear portion of slider respectively, the one end that keeps away from the slider on the guide way is equipped with the spacing mouth of downwarping, works as the guide post that is located the slider front portion is blocked down in the spacing mouth by the effect of deflection, the contained angle between spacing mouth and the guide post looks adaptation, the central point of spacing mouth is L with the distance of guide way base, distance L is greater than the diameter R of guide post and is less than the diameter D of guide post.

In the utility model, the elasticity of the tension spring is larger than the sum of the opening and closing force of the door body and the resistance of the damping rod.

Further, be close to the articulated complex hinge groove of damping pole on the slider one end that is equipped with of damping pole, the hinge groove is in on same straight line with two spacing posts around, the top in hinge groove extends has the portion of resisting that is used for cooperating the dog, the length that the portion of resisting upwards extends is L1, the below in hinge groove extends has the hook portion that is used for connecting tension spring, the hook portion is the length of delaying downwards for L2, and the moment of torsion that the power of opening and shutting produced through L1 is greater than the moment of torsion that the elasticity passes through L2 parameter.

Further, L1 is 1/2-2/3 times the length of L2.

In this embodiment, a fit gap exists between the guide post and the guide groove, and the fit gap is 0.1mm.

The utility model has the following advantages and beneficial effects:

The limiting opening is matched with the guide post through setting the included angle between the limiting opening and the guide slot to 90 degrees, the distance between the center point of the limiting opening and the bottom edge of the guide slot is L, the distance L is larger than the radius R of the guide post and smaller than the diameter D of the guide post, the L is larger than the radius R of the guide post, the guide post cannot easily separate from the limiting opening in the moving process of the sliding door, the buffering effect is ensured, the L is smaller than the L, the guide post can easily separate from the limiting opening when the sliding block is subjected to opening and closing force, no pause feeling occurs, and the buffering process is smoother.

Drawings

The utility model is further described below with reference to the drawings and embodiments:

FIG. 1 is a schematic diagram illustrating the installation of a hanging wheel assembly in this embodiment;

FIG. 2 is an internal structural view of the buffer assembly of the present embodiment;

FIG. 3 is a schematic view of a buffer assembly according to the present embodiment;

FIG. 4 is an enlarged view of area A of FIG. 3;

Fig. 5 is a schematic structural diagram of a slider in the present embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the present utility model is not limited to the following embodiments.

As shown in fig. 1 to 5, the present embodiment discloses a light-lift closing force buffering structure, which comprises a hanging wheel guide rail 1, a hanging wheel assembly 2 and a buffering assembly 3, wherein the hanging wheel assembly 2 is provided with two groups and is respectively installed at two ends of the buffering assembly 3, the hanging wheel assemblies 2 at two ends slide in the hanging wheel guide rail 1 with the buffering assembly 3, a stop block 4 for driving the buffering assembly 3 to act is fixed at the top of the hanging wheel guide rail 1, the buffering assembly 3 comprises a shell 30, a damping rod 31 movably installed in the shell 30, a sliding block 32 hinged at two ends of the damping rod 31 and a tension spring 33 connected between the two sliding blocks 32, the two sliding blocks 32 have the same structure and are symmetrical with each other, the tension spring 33 is hooked at the lower end of the sliding block 32 to enable the sliding block 32 to always have a downward rotating deflection force, a guide groove 300 for enabling the sliding block 32 to horizontally slide along the shell 30 is arranged on the shell 30, the two sides of the sliding block 32 are provided with guide posts 320 which are used for sliding in the guide groove 300 in a matching way, meanwhile, in order to keep the sliding block 32 balanced, the guide posts 320 are provided with two groups of guide posts 320 which are respectively positioned at the front part and the rear part of the sliding block 32, one end of the guide groove 300, which is far away from the sliding block 32, is provided with a downward bending limit opening 301, when the sliding block 32 slides to the end part of the guide groove 300, the guide posts 320 positioned at the front part of the sliding block 32 are downwards clamped into the limit opening 301 under the action of a deflection force, in order to ensure that the sliding block 32 cannot easily deviate from the limit opening 301, the included angle between the limit opening 301 and the guide groove 300 is set at 90 degrees, the acting force of the guide posts 320 on the limit opening 301 is always parallel to the guide groove 300, meanwhile, the outline of the limit opening 301 is matched with the guide posts 320, and the distance between the center point of the limit opening 301 and the bottom edge of the guide groove 300 is L, the distance L is larger than the radius R of the guide post 320 and smaller than the diameter D of the guide post 320, the distance L is larger than the radius R, the guide post 320 can not easily separate from the limit opening 301 in the moving process of the sliding door, the buffering effect is guaranteed, the distance L is smaller than the distance D, when the sliding block 32 is subjected to the opening and closing force, the guide post 320 can easily separate from the limit opening 301, the pause feeling can not occur, and the buffering process is smoother.

Moreover, the buffer structure can be used for adapting to door bodies with different weights by replacing the tension springs 33 with different elasticity and the damping rods 31 with different resistances, so that the elasticity of the tension springs 33 is slightly larger than the sum of the opening and closing force of the door bodies and the resistance of the damping rods 31, and the buffer structure can realize light opening and closing force when being applied to the door bodies with different weights, and can ensure that the door bodies are not easily unhooked, thereby improving the practicability.

Further, an articulated slot 321 for being in hinged fit with the damping rod 31 is arranged at one end of the sliding block 32 near the damping rod 31, the articulated slot 321 is in the same straight line with the front and rear guide posts 320, a resisting part 322 for being matched with the stop block 4 extends above the articulated slot 321, the length of the resisting part 322 extending upwards is L1, a hooking part 323 for being connected with a tension spring 33 extends below the articulated slot 321, the hooking part 323 has a downward delay length of L2, and when the sliding door moves to be opened or closed, the resisting part 322 on the sliding block 32 abuts against the stop block 4 to enable the sliding block 32 to form upward deflection force which is larger than downward deflection force given to the sliding block 32 by the tension spring 33, so that the sliding block 32 deflects upwards, and therefore the guide posts 320 can be separated from the limit opening 301, and the stop block 4 drives the sliding block 32 to move along the guide slot 300 and compresses the damping rod 31 along with continued movement of the sliding door, so that a buffering effect is achieved.

Specifically, according to the test, when the pulling force of the pulling spring 33 on the slider 32 is 10N and the closing force applied to the slider 32 is 15-20N, the slider 32 rotates most smoothly, so that the buffer effect on the sliding door is best, according to the torque formula, t=fl, the closing force needs to be controlled to be the best value, the length L1 needs to be controlled to be 1/2-2/3 times the length L2, if the closing force is smaller than 15N, the length L1 needs to be increased too long, which affects your cooperation of the slider 32 with the hanger rail 1, and similarly, if the closing force is larger than 20N, the length L1 needs to be reduced, which affects cooperation of the resisting part 322 with the stopper 4.

In this embodiment, a fit gap exists between the guide post 320 and the guide groove 300, and in order to avoid the guide post 320 from shaking and separating from the limit opening 301 due to the excessive gap, the fit gap needs to be controlled to be about 0.1mm, so as to improve the stability of the slider 32.

The above description is merely illustrative of the utility model and those skilled in the art may make various modifications and additions to the described embodiments or substitutions in a similar manner without departing from the scope of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims (5)

1. A light-lifting force buffer structure comprises a shell (30), a damping rod (31) movably arranged in the shell (30), sliding blocks (32) hinged at two ends of the damping rod (31) and a tension spring (33) connected between the two sliding blocks (32), wherein the two sliding blocks (32) are identical in structure and symmetrical to each other, the tension spring (33) is hooked at the lower end of the sliding blocks (32) to enable the sliding blocks (32) to have downward rotating deflection force, a guide groove (300) for enabling the sliding blocks (32) to horizontally slide along the shell (30) is arranged on the shell (30), guide posts (320) matched with the guide groove (300) to slide in are arranged on two sides of the sliding blocks (32), two groups of guide posts (320) are respectively arranged at the front part and the rear part of the sliding blocks (32), a limiting opening (301) bent downwards is formed in one end of the guide groove (300) far away from the sliding blocks (32), when the sliding blocks (32) slide to the end of the guide groove (300), the guide posts (320) are clamped downwards to the limiting opening (301) and matched with the limiting opening (301) in an included angle between the limiting opening (301), the distance between the center point of the limiting opening (301) and the bottom edge of the guide groove (300) is L, the distance L is larger than the radius R of the guide column (320), and the radius R of the guide column (320) is smaller than the diameter D of the guide column (320).

2. A light-weight closing force buffering structure according to claim 1, wherein the elastic force of the tension spring (33) is larger than the sum of the closing force of the door body and the resistance of the damping rod (31).

3. The light lifting and closing force buffering structure according to claim 1, wherein one end, close to a damping rod (31), of the sliding block (32) is provided with a hinge groove (321) used for being in hinged fit with the damping rod (31), the hinge groove (321) is in the same straight line with the front guide post and the rear guide post (320), a resisting part (322) used for being matched with a stop block (4) extends above the hinge groove (321), the length of the resisting part (322) extending upwards is L1, a hook part (323) used for being connected with a tension spring (33) extends below the hinge groove (321), the downward delay length of the hook part (323) is L2, and torque generated by lifting and closing force through L1 is larger than torque of elasticity through L2 parameters.

4. A light-rise and close force buffer structure according to claim 3, wherein L1 is 1/2-2/3 times the length of L2.

5. A light lift and close force buffer structure according to claim 1, characterized in that there is a fit gap between the guide post (320) and the guide groove (300), the fit gap being 0.1mm.