Compression spring type stainless steel shell buffer

Abstract

A compressed spring type stainless steel shell buffer comprises a shell assembly, a connector and a buffer assembly, an installation cavity is formed in the shell assembly, one end of the installation cavity is open, the other end of the installation cavity is sealed, a sliding opening is further formed in the top of the shell assembly, and the buffer assembly is installed into the installation cavity from the open end and then matched with the sliding opening. The connector is inserted into the opening of the shell assembly to limit the buffer assembly, the buffer assembly (a hook, a linkage piece, a damping rod and a spring) is matched with the installation cavity through the sliding opening of the shell assembly after being preassembled, and the connector is inserted and limited, so that overall installation is achieved, the tedious steps of one-by-one assembly are reduced, and the assembly efficiency is improved. And damaged parts can be replaced without complete disassembly, so that the maintenance cost and time are obviously reduced. The shell sleeve and the seat body are limited through the clamping blocks and the clamping holes and fastened through the screws, and the structural stability of the seat body can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to buffer technology field, concretely relates to a compression spring type stainless steel shell buffer BACKGROUND

[0002] In the field of existing mechanical buffer device, the buffer is widely used in various occasions needing to control the movement speed, reduce the impact and noise as an important damping, buffering element. Among them, the small volume damper is especially favored by the market because of its compact structure, convenient installation and other characteristics.

[0003] Taking the small volume damper disclosed by patent CN201620555629.7 as an example, the structure mainly includes shell, damping pipe, damping rod, hook assembly and spring and other components. The damper realizes the advantages of small volume and space saving through the cooperation of spring and hook assembly, and at the same time, its structure is simple, convenient to install, and can effectively buffer the noise generated when the door leaf opens or closes.

[0004] However, in the above structure, since each component needs to be assembled on the shell separately, the assembly process of the damper becomes complex and tedious. This not only increases the production cost, but also reduces the production efficiency. Moreover, this non-modular design also limits the versatility and maintainability of the damper. Once a component is damaged or needs to be replaced, the entire damper often needs to be disassembled, which undoubtedly increases the difficulty and cost of maintenance.

[0005] In addition, this split structure causes the compression spring to occupy additional internal space of the shell, and requires additional fixing parts and connecting parts, which increases the overall weight and assembly complexity, making the overall volume large, difficult to adapt to compact installation environment, and limiting the application range of the product. UTILITY MODEL CONTENTS

[0006] In order to overcome the shortcomings of the prior art, the utility model provides a compression spring type stainless steel shell buffer.

[0007] The utility model solves the technical problems thereof by adopting the technical scheme of:

[0008] A compression spring type stainless steel shell buffer, comprising a shell assembly, a connecting head and a buffer assembly, the shell assembly is internally provided with a mounting cavity, one end of the mounting cavity is open, the other end is sealed, the top of the shell assembly is further provided with a sliding opening, the buffer assembly is matched with the sliding opening after being loaded into the mounting cavity from one end of the opening, and the connecting head is inserted into the opening of the shell assembly to limit the buffer assembly.

[0009] The buffer assembly comprises a hook, a linkage, a damping rod and a compression spring, the lower part of the hook is movably mounted in the linkage, the upper part of the hook extends out of a sliding opening, the damping rod comprises a cylinder and a piston rod, the end of the piston rod extending out is fixed on a connecting head, the end of the cylinder close to the piston rod is fixedly connected with the linkage, the compression spring is sleeved on the cylinder, one end of the compression spring abuts against the linkage, and the other end abuts against a sealing end of the mounting cavity.

[0010] In the utility model, the shell assembly comprises a seat body made of plastic material and a shell cover made of stainless steel material, one end of the seat body is hollowed out inward to form the mounting cavity, the sliding opening is arranged on one side of the top of the seat body close to the opening, the sliding opening extends along the length direction, the shell cover is covered on the upper surface and the two side surfaces of the seat body, the two ends of the shell cover are fastened and connected on the upper end of the connecting head and the closed end of the seat body through screws respectively, the top of the shell cover is further provided with an elongated through hole which is aligned and communicated with the sliding opening, and the upper part of the hook extends out of the through hole outward.

[0011] Further, a plurality of clamping block structures are arranged on the two side surfaces of the seat body and are arranged at intervals along the length direction of the seat body, a plurality of clamping holes corresponding to the positions and sizes of the clamping block structures are further arranged on the two sides of the shell cover, and when the shell cover is covered on the seat body, the clamping block structures are clamped into the clamping holes for limiting.

[0012] Further, guide holes are further arranged on the two side walls of the seat body corresponding to the position of the sliding opening, guide shafts are extended out of the linkage after the hook is assembled on the linkage, and the guide shafts on the two sides are slidably fitted in the guide holes on the two sides.

[0013] In the utility model, the linkage comprises a linkage main body, a linkage pressing block and a cylinder sleeve, one end of the linkage main body is provided with a movable cavity, the side surface of the other end is provided with a first clamping groove, the hook is assembled in the movable cavity, the end of the cylinder close to the piston rod is clamped into the first clamping groove, and then the linkage pressing block is covered and pressed tightly, and the linkage pressing block is clamped tightly through the cylinder sleeve.

[0014] Further, the cylinder sleeve is sleeved on the cylinder, and limiting edges are extended on the two sides of the cylinder sleeve, and the limiting edges on the two sides hoop the linkage pressing block and the linkage main body.

[0015] In the utility model, the connecting head comprises a plug-in part and a mounting part, the connecting head is inserted into the mounting cavity through the plug-in part, the side surface of the plug-in part is further provided with a second clamping groove, the outer end of the piston rod is provided with a head, the head is threadedly connected with the outer end of the piston rod, and the piston rod is clamped into the second clamping groove through the head and is fixed.

[0016] Further, the upper side and the left and right sides of the mounting portion are provided with mounting holes, and the buffer can be mounted on the front or the side through the mounting holes.

[0017] The utility model has the advantages and beneficial effects that:

[0018] The buffer assembly (hook, linkage, damping rod, spring) is preassembled, matched with the mounting cavity through the sliding opening of the shell assembly, and inserted and limited through the connecting head, the whole is assembled, the cumbersome steps of assembling one by one are reduced, the assembly efficiency is improved, damaged parts can be replaced without complete disassembly, and the maintenance cost and time are significantly reduced.

[0019] In addition, the compression spring is formed as a whole on the damping rod, the compression spring does not need to occupy the internal space of the shell assembly, the overall volume of the product is reduced, the lightweight and compactness are realized, the buffering performance stability and environmental adaptability are significantly improved, so that the product can be adapted to more compact installation environments and the practicability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model will be further described below in combination with the drawings and embodiments:

[0021] Fig. 1 It is a whole structure schematic view of the buffer in the embodiment;

[0022] Fig. 2 It is an installation schematic view of the buffer assembly in the embodiment;

[0023] Fig. 3 It is an explosion view of the buffer in the embodiment;

[0024] Fig. 4 It is a connection schematic view of the buffer assembly in the embodiment. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment, and the utility model is not limited to the following embodiments.

[0026] It should be noted that if the utility model embodiment involves directional indications (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial, …), the directional indications are only used to explain the relative position relationship, movement condition and the like between the components in a certain posture (as shown in the drawings), if the certain posture changes, the directional indications also change accordingly.

[0027] In addition, if the description of "first" or "second" and the like is involved in the embodiments of the present application, the description of "first" or "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the same or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist, nor in the protection scope required by the present application.

[0028] As shown in Figs. 1 to 4 The present embodiment discloses a compression spring type stainless steel shell buffer, which comprises a shell assembly 1, a connecting head 2 and a buffer assembly 3, the shell assembly 1 is internally provided with a mounting cavity 100, one end of the mounting cavity 100 is provided with an opening, and the other end is sealed, the top of the shell assembly 1 is further provided with a sliding opening 101 near the opening end, the buffer assembly 3 is loaded into the mounting cavity 100 from the opening and is in sliding cooperation with the sliding opening 101, and the connecting head 2 is inserted into the opening of the shell assembly 1 to limit the buffer assembly 3.

[0029] The buffer assembly 3 specifically comprises a hook 31, a linkage 32, a damping rod 33 and a compression spring 34, the lower part of the hook 31 is movably mounted in the linkage 32 and can swing up and down, the upper part of the hook 31 extends out of the sliding port 101, the damping rod 33 is a common damping hydraulic rod on the market, comprising a cylinder 331 and a piston rod 332, the damping rod 33 is horizontally arranged and the end of the piston rod 332 extending out is fixed on the connecting head 2, the end of the cylinder 331 close to the piston rod 332 is fixedly connected with the linkage 32, the compression spring 34 is sleeved on the cylinder 331, one end of the compression spring 34 abuts against the linkage 32 and the other end abuts against the sealing end of the mounting cavity 100; when the hook 31 moves in the door opening direction, the linkage 32 drives the cylinder 331 to move to one end, drives the damping rod 33 to elongate, at the same time, the linkage 32 compresses the compression spring 34 to store elastic potential energy, when the hook 31 moves in the door closing direction, the linkage 32 drives the cylinder 331 to move to the other end, drives the damping rod 33 to shorten, at the same time, the compression spring 34 releases the elastic potential energy to continuously move the linkage 32. In addition, the top of the linkage 32 is provided with a baffle structure 320 close to one side of the cylinder 331, when the hook 31 moves to the end of the sliding port 101, the baffle structure 320 shields the sliding port 101, which is conducive to dustproof sealing and prevents sundries from entering the mounting cavity 100, the compression spring 34 is sleeved on the damping rod 33 to form a whole, the compression spring 34 does not need to additionally occupy the internal space of the shell assembly 1, so that the overall volume of the product is reduced, thereby being able to adapt to more compact installation environment and improve practicability.

[0030] In the embodiment, the shell assembly 1 comprises a seat body 11 made of plastic and a shell sleeve 12 made of stainless steel, the mounting cavity 100 is formed by hollowing out from one end of the seat body 11, the sliding port 101 is arranged on the top of the seat body 11 close to the opening side, the sliding port 101 extends along the length direction, the shell sleeve 12 covers the upper surface and the two side surfaces of the seat body 11, the two ends of the shell sleeve 12 are fastened and connected with the upper end of the connecting head 2 and the closed end of the seat body 11 by screws, in addition, the top of the shell sleeve 12 is further provided with an elongated hole 120 aligned and communicated with the sliding port 101, the upper part of the hook 31 extends out of the elongated hole 120.

[0031] Further, in order to improve the connection stability between the seat body 11 and the shell sleeve 12, a plurality of clamping block structures 111 are arranged on the two side surfaces of the seat body 11, the plurality of clamping block structures 111 are arranged along the length direction of the seat body 11, a plurality of clamping hole structures 121 corresponding to the positions and sizes of the clamping block structures 111 are further arranged on the two side surfaces of the shell sleeve 12, when the shell sleeve 12 covers the seat body 11, the clamping block structures 111 are clamped into the clamping hole structures 121 to be limited.

[0032] Further, the two side walls of the seat body 11 corresponding to the position of the sliding opening 101 are also provided with guide holes 112, and the hook 31 is provided with guide shafts 311 extending to both sides after being assembled on the linkage 32, and the guide shafts 311 on both sides are slidingly fitted in the guide holes 112 on both sides; specifically, the action mechanism between the hook 31 and the guide hole 112 and the working principle of the buffer can refer to the utility model patent with the publication number CN222595815U and the name of a light opening and closing force buffer structure, and the specification

[0021] paragraph thereof mentions the cooperation mode and action mechanism of the guide groove and the guide column, wherein the guide groove corresponds to the guide hole 112, and the guide column corresponds to the guide shaft 311.

[0033] In the embodiment, the linkage 32 includes a linkage main body 321, a linkage pressing block 322, and an oil cylinder sleeve 323, one end of the linkage main body 321 is provided with a movable cavity 3210, the side surface of the other end is provided with a first clamping groove 3211, the hook 31 is assembled in the movable cavity 3210, the oil cylinder 331 is clamped into the first clamping groove 3211 through the linkage pressing block 322 after the end close to the piston rod 332, and the linkage pressing block 322 is clamped through the oil cylinder sleeve 323, specifically, the oil cylinder sleeve 323 is sleeved on the oil cylinder 331, and the two sides of the oil cylinder sleeve 323 extend to limit edges to clamp the linkage pressing block 322 and the linkage main body 321; in addition, in order to improve the fastening effect of the linkage pressing block 322, the linkage pressing block 322 is fastened on the linkage main body 321 through a screw.

[0034] In the embodiment, the connecting head 2 includes a plug-in part 21 and a mounting part 22, the connecting head 2 is inserted into the mounting cavity 100 through the plug-in part 21, the side surface of the plug-in part 21 is also provided with a second clamping groove 210, and the outer end of the piston rod 332 is provided with a head 333, the head 333 is threadedly connected with the outer end of the piston rod 332, and the piston rod 332 is clamped into the second clamping groove 210 through the head 333 to be fixed, in addition, the upper side and the left and right sides of the mounting part 22 are provided with mounting holes 220, the buffer can be installed on the front or the side through the mounting holes 220, and the practicability is further improved.

[0035] The above description in the specification is only an example of the utility model, and those skilled in the art of the utility model can make various modifications or supplements or adopt similar ways to replace the described specific embodiments, as long as the content of the specification of the utility model is not deviated or the range defined by the claims is not exceeded, which shall belong to the protection range of the utility model.

Claims

1. A compression spring type stainless steel shell damper, characterized by, The utility model provides a kind of shock absorber, including shell assembly (1), connector (2) and buffer assembly (3), the inside of shell assembly (1) is equipped with installation cavity (100), one end of installation cavity (100) is open, the other end is sealed, the top of shell assembly (1) is equipped with sliding mouth (101), buffer assembly (3) is loaded into installation cavity (100) from opening, and buffer assembly (3) is limited with sliding mouth (101) after cooperation, connector (2) is inserted in the opening of shell assembly (1) and buffer assembly (3) is limited.

2. The wave spring type stainless steel shell bumper according to claim 1, wherein The buffer assembly (3) includes a hook (31), a linkage (32), a damping rod (33), and a compression spring (34). The lower part of the hook (31) is movably installed in the linkage (32), and the upper part of the hook (31) extends out of the sliding mouth (101). The damping rod (33) includes a cylinder (331) and a piston rod (332). The piston rod (332) extends out of one end, which is fixed to the connector (2). The cylinder (331) is fixedly connected to the linkage (32) near the piston rod (332). The compression spring (34) is sleeved on the cylinder (331), and one end of the compression spring (34) abuts against the linkage (32), and the other end abuts against the sealed end of the installation cavity (100).

3. The wave spring type stainless steel shell bumper according to claim 2, characterized in that, The shell assembly (1) includes a plastic seat body (11) and a stainless steel shell sleeve (12). One end of the seat body (11) is hollowed out inwardly to form the installation cavity (100). The sliding mouth (101) is arranged on the top of the seat body (11) near the opening. The sliding mouth (101) extends along the length direction. The shell sleeve (12) covers the upper surface and the two side surfaces of the seat body (11). The two ends of the shell sleeve (12) are respectively fastened and connected to the upper end of the connector (2) and the closed end of the seat body (11) by screws. The top of the shell sleeve (12) is also provided with an elongated through hole (120) aligned with the sliding mouth (101). The upper part of the hook (31) extends outwardly from the through hole (120).

4. The wave spring type stainless steel shell bumper according to claim 3, characterized in that, A plurality of clamping block structures (111) are arranged on the two side surfaces of the seat body (11) and spaced along the length direction of the seat body (11). A plurality of clamping holes (121) corresponding in position and size to the clamping block structures (111) are arranged on the two sides of the shell sleeve (12). When the shell sleeve (12) covers the seat body (11), the clamping block structures (111) are clamped into the clamping holes (121) to be limited.

5. The wave spring stainless steel shell bumper of claim 4, wherein, The two side walls of the seat body (11) corresponding to the position of the sliding mouth (101) are also provided with guide holes (112). The hook (31) is assembled on the linkage (32) and extends outwardly with guide shafts (311) on both sides. The guide shafts (311) on both sides are slidingly fitted in the guide holes (112) on both sides.

6. The wave spring type stainless steel shell bumper according to claim 2, wherein The linkage (32) comprises a linkage body (321), a linkage pressing block (322) and an oil cylinder sleeve (323), one end of the linkage body (321) is provided with a movable cavity (3210), the side surface of the other end is provided with a first clamping groove (3211), the hook (31) is assembled in the movable cavity (3210), the oil cylinder (331) is clamped into the first clamping groove (3211) and is pressed and clamped by the linkage pressing block (322) after the end close to the piston rod (332), and the linkage pressing block (322) is clamped by the oil cylinder sleeve (323).

7. The wave spring stainless steel shell bumper of claim 6, wherein, The oil cylinder sleeve (323) is sleeved on the oil cylinder (331), and the two sides of the oil cylinder sleeve (323) extend to limit edges, and the limit edges on the two sides clamp the linkage pressing block (322) and the linkage body (321).

8. The wave spring stainless steel shell bumper of claim 2, wherein, The connecting head (2) comprises a plug-in part (21) and a mounting part (22), the connecting head (2) is inserted into the mounting cavity (100) through the plug-in part (21), the side surface of the plug-in part (21) is further provided with a second clamping groove (210), the outer end of the piston rod (332) is provided with a head (333), the head (333) is threadedly connected with the outer end of the piston rod (332), and the piston rod (332) is clamped into the second clamping groove (210) through the head (333) and is fixed.

9. The wave spring stainless steel shell bumper of claim 8, wherein, The upper side and the left and right sides of the mounting part (22) are provided with mounting holes (220), and the bumper can be installed in the front or the side through the mounting holes (220).

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