Mounting structure of damping buffer device

Abstract

The utility model discloses a mounting structure of a damping buffer device, which comprises a first sleeve, a second sleeve, a rotating sleeve, an elastic piece and a damping mechanism, a rotating part is arranged on the first sleeve, one end of the rotating part is connected with the first sleeve, the other end of the rotating part is connected with the second sleeve, the rotating sleeve is rotatably arranged on the rotating part, and the elastic piece is arranged on the rotating sleeve. Spiral grooves are symmetrically formed in the rotating part along the center, transverse pins are movably arranged in the spiral grooves, long grooves are symmetrically formed in the two side wall faces of the rotating sleeve, the two ends of the transverse pins penetrate through the spiral grooves correspondingly and extend into the long grooves correspondingly, so that the transverse pins move in the axial direction of the long grooves, and the elastic pieces and the damping mechanisms act on the transverse pins correspondingly. According to the structure, the machining difficulty is low, the rotating sleeve, the first sleeve and the second sleeve form a whole, the coaxiality of the damping buffering device is guaranteed, and friction between the damping buffering device and the inner wall of the hinge due to eccentricity is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of buffers, in particular to an installation structure of a damping buffer device. Background Art

[0002] Damping buffers are used to consume impact energy. The most common type is hydraulic damping buffers. Its working principle is: when the hydraulic damping buffer is subjected to impact force, the piston in the buffer is pushed to move, and at the same time, the oil in the buffer cavity is squeezed out from the throttle port and enters another cavity. At this time, the friction between the throttle port and the oil and the internal friction between the oil molecules form a damping force on the impact load. This process consumes a lot of kinetic energy and plays a buffering role. However, when the hydraulic damping buffer is subjected to an impact load, due to the built-in oil circuit to achieve a buffering effect, a large oil pressure will be formed locally in the buffer cavity. The structure of the door for adjusting the tightness of the opening and closing is relatively complex and requires good sealing. Not only is the processing technology complicated and the production cost high, but also due to structural limitations, the service life is short, making it difficult to repair and replace important parts.

[0003] On January 13, 2023, the applicant applied for a multi-scenario damping and buffering device structure with announcement number CN218294298U. The damper is installed on the inner side of the spring. When the spring energy is released instantly, the shaft core is pressed to slide, and the shaft core drives the movable shaft of the damper to move. At this time, the damper offsets part of the spring energy storage, causing the shaft core to slide slowly to achieve a buffering function. Although its installation structure is compact, there are currently two problems. First, the shaft core needs to be processed with limit teeth to realize axial movement, and the limit teeth are difficult to process. Second, the first sleeve and the second sleeve are respectively connected to the two hinges. After being used on heavy doors or for a long time, the axis center between the first sleeve and the second sleeve will be offset, resulting in friction between the first sleeve or the second sleeve and the inner wall of the hinge, thereby generating noise. Utility Model Content

[0004] The purpose of the utility model is to provide a mounting structure of a damping and buffering device, which has solved the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an installation structure of a damping and buffering device, comprising a first sleeve, a second sleeve, a rotating sleeve, an elastic member and a damping mechanism, a rotating portion is arranged on the first sleeve, one end of the rotating portion is connected to the first sleeve, and the other end is connected to the second sleeve, the rotating sleeve is rotatably arranged on the rotating portion, two spiral grooves are symmetrically arranged along the center of the rotating portion, the spiral grooves penetrate the rotating portion radially, a cross pin is movably arranged in the spiral groove, two side walls of the rotating sleeve are symmetrically arranged, the long grooves are arranged along the axial direction of the rotating sleeve, two ends of the cross pin respectively pass through the two spiral grooves, and extend into the two long grooves respectively, so that the cross pin moves along the axial direction of the long groove, and the elastic member and the damping mechanism respectively act on the cross pin.

[0006] Furthermore, an external thread is provided at the end of the rotating portion, and an internal thread matching the external thread is provided on the inner wall of the second sleeve.

[0007] Furthermore, the rotating part is a hollow structure and is connected to the first sleeve. A rotating shaft is axially movable inside the rotating part. Both ends of the rotating shaft are respectively in contact with the elastic member and the damping mechanism. The transverse pin is passed through the rotating shaft.

[0008] Furthermore, the elastic member is a compression spring, which is arranged in the second sleeve, one end of the elastic member acts on one end of the rotating shaft, and the other end of the elastic member abuts against the closing speed adjusting member, which is screwed to the end of the second sleeve.

[0009] Furthermore, the damping mechanism is a damping oil cylinder, one end of the damping mechanism abuts against one end of the rotating shaft away from the elastic member, and the other end abuts against the damping adjustment member, and the damping adjustment member is threaded into the end of the first sleeve.

[0010] Compared with the prior art, the beneficial effects of the utility model are: a rotating part is integrally provided at one end of the first sleeve, a rotating sleeve is rotatably installed on the rotating part, the other end of the rotating part is threadedly connected to the second sleeve, the rotating sleeve can be limitedly rotated on the rotating part, a hinge piece is connected to the first sleeve and the second sleeve, and the other hinge piece is connected to the rotating sleeve. When one of the hinge pieces rotates, it can drive the cross pin to move axially, and the elastic part and the damping mechanism provide elastic force and damping force for the cross pin. This structure not only has low processing difficulty, but also makes the rotating sleeve and the first sleeve and the second sleeve become a whole, ensuring the coaxiality of the damping buffer device and preventing eccentricity from causing friction between the damping buffer device and the inner wall of the hinge. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a three-dimensional structural diagram of the damping buffer device in the utility model.

[0012] Figure 2 It is a cross-sectional schematic diagram of the damping buffer device in the utility model.

[0013] Figure 3 It is a schematic diagram of the explosion of the damping buffer device in the utility model.

[0014] Figure 4 It is a schematic diagram of the installation of the damping buffer device in the utility model.

[0015] Figure 5 It is a schematic diagram of the connection between the damping buffer device and the hinge assembly in the utility model.

[0016] Figure 6 It is a schematic diagram of the installation of the damping buffer device and the hinge assembly in the utility model.

[0017] In the figure: a first sleeve 10, a rotating part 101, a spiral groove 1011, a second sleeve 20, a rotating sleeve 30, a long groove 301, an elastic member 40, a damping mechanism 50, a cross pin 60, a rotating shaft 70, a closing speed adjusting member 80, a damping adjusting member 90, a first hinge 100, and a second hinge 200. DETAILED DESCRIPTION

[0018] The embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be construed as being limited to the embodiments described herein. Instead, these embodiments are provided to provide a more thorough and complete understanding of the present invention. It should be understood that the drawings and embodiments of the present invention are only for exemplary purposes and are not intended to limit the scope of protection of the present invention.

[0019] It should be understood that the various steps described in the method implementation of the present utility model can be performed in different orders and / or performed in parallel. In addition, the method implementation may include additional steps and / or omit the steps shown. The scope of the present utility model is not limited in this respect.

[0020] The term "including" and its variations used herein are open inclusions, i.e., "including but not limited to". The term "connected" may be directly connected or indirectly connected through intermediate components (elements). The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one other embodiment"; the term "some embodiments" means "at least some embodiments". The relevant definitions of other terms will be given in the following description.

[0021] It should be noted that the concepts such as "first" and "second" mentioned in the present invention are only used to distinguish between devices, modules or units, and are not used to limit these devices, modules or units to be different devices, modules or units, nor are they used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0022] Example 1

[0023] like Figures 1 to 4 The installation structure of a damping buffer device shown in the figure includes a first sleeve 10, a second sleeve 20, a rotating sleeve 30, an elastic member 40 and a damping mechanism 50. A rotating part 101 is arranged on the first sleeve 10. One end of the rotating part 101 is connected to the first sleeve 10, and the other end is connected to the second sleeve 20. The rotating sleeve 30 is rotatably arranged on the rotating part 101. It should be understood that after the rotating sleeve 30 is rotatably installed on the rotating part 101, the rotating part 101 is then connected with the internal thread of the inner wall of the second sleeve 20 (not shown in the figure) through the external thread of its outer wall (not shown in the figure), so that the rotating sleeve 30 can be rotated on the rotating part 101 in a limited manner.

[0024] Specifically, two spiral grooves 1011 are symmetrically provided along the center of the rotating part 101, and the spiral groove 1011 radially penetrates the rotating part 101, and a cross pin 60 is movably provided in the spiral groove 1011. Two side walls of the rotating sleeve 30 are symmetrically provided along the axial direction, and both ends of the cross pin 60 pass through the two spiral grooves 1011 respectively, and extend into the two long grooves 301 respectively; it should be understood that when the rotating sleeve 30 rotates, it can drive the cross pin 60 to move along the spiral groove 1011 and move axially along the long groove 301. This structure not only has low processing difficulty, but also makes the rotating sleeve 30 and the first sleeve 10 and the second sleeve 20 become a whole, thereby ensuring the coaxiality of the damping and buffering device and preventing eccentricity from causing friction between the damping and buffering device and the inner wall of the hinge.

[0025] Specifically, the rotating part 101 is a hollow structure and is connected to the first sleeve 10. A rotating shaft 70 is axially movably arranged inside the rotating part 101. The rotating shaft 70 serves as a force transmission component. The transverse pin 60 is passed through the rotating shaft 70 and is driven to move by the transverse pin 60. The two ends of the rotating shaft 70 are respectively in contact with the elastic component 40 and the damping mechanism 50.

[0026] Specifically, the cross pin 60 is provided with elastic force and damping force by the elastic member 40 and the damping mechanism 50; to be precise, the elastic member 40 is a compression spring and is arranged in the second sleeve 20. One end of the elastic member 40 acts on one end of the rotating shaft 70, and the other end of the elastic member 40 abuts against the closing speed adjusting member 80. During the door closing process, the rotating sleeve 30 rotates and drives the rotating shaft 70. When the rotating shaft 70 rotates, it generates axial movement, so that the rotating shaft 70 compresses the elastic member 40 to store energy; during the door opening process, the elastic member 40 pushes the rotating shaft 70 to move, and through the cooperation of the cross axis and the spiral groove 1011 and the long groove 301, the rotating sleeve 30 rotates and rotates to reset; in addition, the closing speed adjusting member 80 is screwed to the end of the second sleeve 20, and the closing speed adjusting member 80 is rotated by an Allen wrench to adjust its front and rear position to adjust the compression strength of the elastic member 40, thereby achieving the adjustment of the closing speed.

[0027] At the same time, the damping mechanism 50 is a damping cylinder, one end of which is in contact with one end of the rotating shaft 70 away from the elastic member 40, and the other end is in contact with the damping adjusting member 90. The damping adjusting member 90 is screwed into the end of the first sleeve 10. The rotating shaft 70 pushes the piston rod of the damping cylinder to retract inward during the door closing movement, so that the rotation speed of the rotating sleeve 30 is limited by the axial movement speed of the rotating shaft 70, thereby achieving the effect of slowly closing the door; in addition, the damping adjusting member 90 is screwed into the end of the first sleeve 10, and the damping adjusting member 90 is rotated by an Allen wrench to adjust its front and rear position to adjust the damping buffering force of the damping cylinder, thereby adjusting the damping force of the damping mechanism 50 when it moves relative to the rotating shaft 70.

[0028] Example 2

[0029] Reference Figure 5-6 The present embodiment further includes a hinge assembly, which includes a first hinge 100 and a second hinge 200. The side of the first hinge 100 has an upper connecting portion fixedly connected to the first sleeve 10 and a lower connecting portion rotatably connected to the second sleeve 20. The side of the second hinge 200 has a middle connecting portion fixedly connected to the rotating sleeve 30. Since the rotating sleeve 30 is only rotatably sleeved on the first sleeve 10, the rotating sleeve 30 and the first sleeve 10 and the second sleeve 20 can form a whole. After the installation is completed, the rotating sleeve 30 will not be offset, so that the coaxiality of the first sleeve 10, the second sleeve 20, and the rotating sleeve 30 is better, and the first sleeve 10, the second sleeve 20, and the rotating sleeve 30 are prevented from rubbing against the inner wall of the first hinge 100 or the second hinge 200.

[0030] Although the 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 mounting structure for a damping buffer device, characterized in that: The invention comprises a first sleeve (10), a second sleeve (20), a rotating sleeve (30), an elastic member (40) and a damping mechanism (50), wherein the first sleeve (10) is provided with a rotating portion (101), one end of the rotating portion (101) is connected to the first sleeve (10), and the other end is connected to the second sleeve (20), the rotating sleeve (30) is rotatably arranged on the rotating portion (101), and the rotating portion (101) is symmetrically provided with two spiral grooves (1011) along the center, and the spiral grooves (1011) penetrate the rotating portion (101) in the radial direction. ), a transverse pin (60) is movably arranged in the spiral groove (1011), two long grooves (301) are symmetrically arranged on the two side walls of the rotating sleeve (30), and the long grooves (301) are arranged along the axial direction of the rotating sleeve (30), and the two ends of the transverse pin (60) respectively pass through the two spiral grooves (1011) and extend into the two long grooves (301) respectively, so that the transverse pin (60) moves axially along the long groove (301) and along the spiral groove (1011), and the elastic member (40) and the damping mechanism (50) respectively act on the transverse pin (60).

2. The mounting structure of a damping buffer device according to claim 1, characterized in that: An end portion of the rotating portion (101) is provided with an external thread, and an inner wall of the second sleeve (20) is provided with an internal thread matching the external thread.

3. The mounting structure of a damping buffer device according to claim 1, characterized in that: The rotating part (101) is a hollow structure and is connected to the first sleeve (10). A rotating shaft (70) is movably arranged inside the rotating part (101) along the axial direction. The two ends of the rotating shaft (70) are respectively in contact with the elastic member (40) and the damping mechanism (50). The transverse pin (60) is passed through the rotating shaft (70).

4. The mounting structure of a damping buffer device according to claim 3, characterized in that: The elastic member (40) is a compression spring, and the elastic member (40) is arranged in the second sleeve (20). One end of the elastic member (40) acts on one end of the rotating shaft (70), and the other end of the elastic member (40) abuts against the door closing speed adjusting member (80). The door closing speed adjusting member (80) is screwed to the end of the second sleeve (20).

5. The mounting structure of a damping and buffering device according to claim 4, characterized in that: The damping mechanism (50) is a damping oil cylinder. One end of the damping mechanism (50) abuts against one end of the rotating shaft (70) away from the elastic member (40), and the other end abuts against a damping adjustment member (90). The damping adjustment member (90) is threaded into the end of the first sleeve (10).

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