Pressure spring type aluminum shell buffer

Abstract

A pressure spring type aluminum shell buffer comprises a shell, a front assembly body, a rear assembly body and a buffer assembly, the shell is of a tubular structure, a sliding opening communicated with an inner cavity of the shell is formed in the top of the shell and extends towards the two ends of the shell, and the buffer assembly is matched with the sliding opening after being installed in the inner cavity of the shell. The front assembling body and the rear assembling body are inserted into the inner cavity from the two ends of the shell to be matched with the buffering assemblies, meanwhile, the front assembling body and the rear assembling body are fixedly connected with the shell, the buffering assemblies (the hook, the linkage piece, the damping rod and the spring) are assembled in advance to form an independent module, and then the independent module is integrally installed in the shell to be matched with the sliding opening. And the front / rear assembly main body is inserted into the shell to limit and fix the buffer assembly, so that modular installation is realized, tedious steps of one-by-one assembly are reduced, the assembly efficiency is improved, damaged parts can be replaced without complete disassembly, and the maintenance cost and time are remarkably reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to buffer technology field, concretely relates to a compression spring formula aluminium 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 separately matched on the shell, the assembly process of the damper becomes complex and tedious. This not only increases the production cost, but also reduces the production efficiency. In addition, 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 members and connecting members, which increases the overall weight and assembly complexity, making the overall volume large and difficult to adapt to compact installation environment, 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 formula aluminium shell buffer.

[0007] The technical scheme adopted by the utility model to solve its technical problems is:

[0008] A compression spring formula aluminium shell buffer, including shell, front assembly body, rear assembly body and buffer assembly, the shell is tubular structure, the top of the shell is equipped with the sliding port that communicates the inner chamber of the shell, the sliding port extends to both ends of the shell, the buffer assembly is loaded into the inner chamber of the shell and cooperates with the sliding port, the front assembly body and the rear assembly body are inserted into the inner chamber from both ends of the shell and cooperate with the buffer assembly, at the same time, the front assembly body and the rear assembly body are fixedly connected with the shell.

[0009] The utility model discloses, the buffer assembly includes the hook, linkage, damping rod and compression spring, the lower part of hook is installed in linkage, the linkage is slidably fitted in the inner chamber of casing, the upper portion of hook is from the sliding mouth and extends, the damping rod includes the oil cylinder and piston rod, one end of oil cylinder and piston rod connection is fixedly connected with linkage, the one end of piston rod that extends oil cylinder passes through linkage and hook and is fixed on the front assembly body, the compression spring is set on the oil cylinder, and one end of compression spring is abutted on linkage, and the other end is abutted on rear assembly body.

[0010] Further, the front assembly body is also provided with a guide hole, and the front and rear parts of the hook extend to two sides and are provided with guide shafts, when the hook is assembled on the linkage, the guide shafts are fitted in the guide hole, and the hook is guided through the guide hole during movement.

[0011] Further, one end of the linkage is provided with an assembly cavity for mounting the hook, the guide shafts on the hook pass through the two side walls of the assembly cavity and are fitted in the guide hole, the other end of the linkage is provided with a first clamping groove, a pressing block for covering the first clamping groove and a fixing sleeve for clamping the pressing block in the first clamping groove are also arranged, the oil cylinder is clamped in the first clamping groove and is covered and pressed by the pressing block, and then the pressing block is clamped in the first clamping groove by the fixing sleeve.

[0012] Further, the top of the linkage is also provided with a cover plate extending horizontally and outwardly, the end of the cover plate is lapped on the rear assembly body, and the cover plate partially covers the sliding mouth to prevent foreign matters from falling into the casing.

[0013] Further, the front assembly body includes a first assembly part and a first connecting part which are integrally formed, the front assembly body is inserted into the casing through the first assembly part, the bottom of the first assembly part is provided with a second clamping groove, the end of the piston rod is provided with a head, the head is threadedly or interference fitted with the piston rod, and the piston rod is clamped into the second clamping groove through the head for fixation.

[0014] Further, the first assembly part is inserted into the casing, and then a screw is screwed from bottom to top through the casing and is tightly screwed at the bottom of the first assembly part.

[0015] Further, the first assembly part is inserted into the casing, and then a screw is screwed from bottom to top through the casing and is tightly screwed at the bottom of the first assembly part.

[0016] The utility model discloses a front assembly main part and rear assembly main part, and the front assembly main part and rear assembly main part are respectively inserted into the shell through the first assembly part and second assembly part, and the first assembly part and second assembly part are respectively provided with the connecting hole, and the buffer is fixedly installed in the preset position through the connecting hole.

[0017] Further, the first connecting part and the second connecting part are both provided with connecting holes, and the buffer can be fixedly installed as a whole in a preset position through the connecting holes.

[0018] The utility model has the following advantages and beneficial effects:

[0019] The buffer assembly (hook, linkage, damping rod, spring) is pre-assembled to form an independent module, and then is integrally installed into the shell to cooperate with the sliding opening, and the front assembly main body and the rear assembly main body are inserted into the shell to position and fix the buffer assembly, so that modular installation is realized, the cumbersome steps of one-by-one assembly are reduced, the assembly efficiency is improved, damaged parts can be replaced without complete disassembly, and the maintenance cost and time are significantly reduced.

[0020] In addition, the compression spring is sleeved on the damping rod to form a whole, the compression spring does not need to additionally occupy the internal space of the shell assembly, the overall volume of the product is reduced, the light weight and compactness are realized, the buffer performance stability and environmental adaptability are significantly improved, so that the product can be adapted to more compact installation environments and the practicality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] The utility model will be further described below in combination with the drawings and embodiments:

[0022] Fig. 1 It is the structural schematic diagram of the buffer in the embodiment;

[0023] Fig. 2 It is the exploded view of the buffer in the embodiment;

[0024] Fig. 3 It is the installation schematic diagram of the buffer assembly in the embodiment. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, 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 embodiments of the utility model have the directionality indication (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial, etc.), the directionality indication is only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), if the specific posture changes, the directionality indication also changes accordingly.

[0027] In addition, if the embodiments of the utility model have the description of "first" or "second", etc., the description of "first" or "second", etc. is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one feature. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0028] As shown in Figs. 1 to 3 The embodiment discloses a compression spring type aluminum shell buffer, which comprises a shell 1, a front assembly body 2, a rear assembly body 3 and a buffer assembly 4, the shell 1 is a square tubular structure formed by bending aluminum alloy material, the front assembly body 2 and the rear assembly body 3 are both injection molding parts, the top of the shell 1 is provided with a sliding port 11 communicating with the inner cavity of the shell 1, the sliding port 11 extends to both ends of the shell 1, the buffer assembly 4 is matched with the sliding port 11 after being assembled into the inner cavity of the shell 1, the front assembly body 2 and the rear assembly body 3 are matched with the buffer assembly 4 after being inserted into the inner cavity from both ends of the shell 1, and meanwhile, the front assembly body 2 and the rear assembly body 3 are fixedly connected with the shell 1.

[0029] Specifically, the buffer assembly 4 includes a hook 41, a linkage 42, a damping rod 43 and a compression spring 44, the lower part of the hook 41 is movably mounted in the linkage 42, the linkage 42 is slidingly fitted in the inner cavity of the shell 1, the upper part of the hook 41 extends from the sliding opening 11, in addition, the end of the linkage 42 away from the hook 41 is fixedly connected with the damping rod 43, specifically, the damping rod 43 is a common damping hydraulic rod on the market, including a cylinder 431 and a piston rod 432, one end of the cylinder 431 connected with the piston rod 432 is fixedly connected with the linkage 42, one end of the piston rod 432 extending out of the cylinder 431 is fixed on the front assembly body 2 after passing through the linkage 42 and the hook 41, the compression spring 44 is sleeved on the cylinder 431, and one end of the compression spring 44 abuts against the linkage 42, and the other end abuts against the rear assembly body 3; when the hook 41 moves along the direction of the rear assembly body 3, the linkage 42 drives the damping rod 43 to elongate and compresses the compression spring 44 through the cylinder 431, when the hook 41 moves along the direction of the front assembly body 2, the linkage 42 drives the damping rod 43 to contract through the cylinder 431, and at the same time, the compression spring 44 releases elastic force to push the linkage 42 to continue moving.

[0030] Further, the front assembly body 2 is also provided with a guide hole 200, and the front and rear parts of the hook 41 respectively extend to two sides and are provided with guide shafts 410, when the hook 41 is assembled on the linkage 42, the guide shafts 410 are fitted in the guide hole 200, the hook 41 is guided by the guide hole 200 during movement, and the action mechanism between the hook 41 and the guide hole 200 and the specific working principle of the buffer assembly can refer to the utility model patent with the publication number CN222595815U and the name of a light opening and closing force buffer structure, the specification

[0021] paragraph of the patent mentions the cooperation mode and action mechanism of the guide groove and the guide column, the guide groove corresponds to the guide hole 200, and the guide column corresponds to the guide shaft 410.

[0031] Further, one end of the linkage 42 is provided with an assembly cavity 420 for mounting the hook 41, a guide shaft 410 on the hook 41 passes out from two side walls of the assembly cavity 420 and cooperates with the guide hole 200, the other end of the linkage 42 is provided with a first clamping groove 421, and further provided with a pressing block 422 covering the first clamping groove 421 and a fixing sleeve 423 clamping the pressing block 422 in the first clamping groove 421, the oil cylinder 431 is clamped in the first clamping groove 421 and then covered and pressed by the pressing block 422, and then the pressing block 422 is clamped in the first clamping groove 421 by the fixing sleeve 423, specifically, clamping edge structures are extended on both sides of the fixing sleeve 423, the clamping edge structures on both sides clamp the pressing block 422 together with the linkage 42, in addition, in order to improve the fastening effect, the pressing block 422 is further screwed and fixed, and further, the top of the linkage 42 further extends a cover plate 424 outward horizontally, the end of the cover plate 424 is slidably lapped on the rear assembly body 3, and the cover plate 424 partially covers the sliding opening 11 to prevent foreign matters from falling into the shell 1.

[0032] Further, the front assembly body 2 includes a first assembly part 21 and a first connecting part 22 which are integrally formed, the front assembly body 2 is inserted into the shell 1 through the first assembly part 21, the bottom of the first assembly part 21 is provided with a second clamping groove 210, the end of the piston rod 432 is provided with a head 433, the head 433 is threadedly cooperated or interference cooperated with the piston rod 432, and the piston rod 432 is clamped into the second clamping groove 210 through the head 433 for fixation, in addition, the two sides of the first assembly part 21 respectively extend outward horizontally with a blocking edge 211, the guide hole 200 is arranged on the blocking edge 211 on each side, and the linkage 42 is slidably cooperated between the blocking edges 211 on the two sides, and further, after the first assembly part 21 is inserted into the shell 1, a screw is tightened to pass through the shell 1 from bottom to top and is then screwed and fixed at the bottom of the first assembly part 21.

[0033] Further, the rear assembly body 3 includes a second assembly part 31 and a second connecting part 32 which are integrally formed, the rear assembly body 3 is inserted into the shell 1 through the second assembly part 31, the end of the second assembly part 31 extends outward horizontally with a cover 33, the cover 33 is a U-shaped structure with an opening downward, when the second assembly part 31 is inserted into the shell 1 with the cover 33, the damping rod 43 and the compression spring 44 are covered in the cover 33, so that the structure is more compact and the stability is better.

[0034] Specifically, the first connecting part 22 and the second connecting part 32 are both provided with a connecting hole 300, through which the buffer can be fixedly installed at a preset position to improve convenience.

[0035] The above described in the specification is only an example of the present application, the skilled in the art can make various modifications or supplements or adopt similar ways instead of the described specific embodiments, as long as it does not deviate from the content of the specification or beyond the scope defined by the claims, it should belong to the protection scope of the present application.

Claims

1. A compression spring type aluminum case damper characterized by, The application relates to a shell (1), a front assembly body (2), a rear assembly body (3) and a buffer assembly (4), wherein the shell (1) is in a tubular structure, the top of the shell (1) is provided with a sliding opening (11) communicating with the inner cavity of the shell (1), the sliding opening (11) extends to both ends of the shell (1), the buffer assembly (4) is assembled into the inner cavity of the shell (1) and cooperates with the sliding opening (11), the front assembly body (2) and the rear assembly body (3) are respectively inserted into the inner cavity from both ends of the shell (1) and cooperate with the buffer assembly (4), meanwhile, the front assembly body (2) and the rear assembly body (3) are fixedly connected with the shell (1).

2. The compression spring type aluminum case shock absorber according to claim 1, characterized by, The buffer assembly (4) comprises a hook (41), a linkage (42), a damping rod (43) and a compression spring (44), the lower part of the hook (41) is movably arranged in the linkage (42), the linkage (42) is slidably arranged in the inner cavity of the shell (1), the upper part of the hook (41) extends out of the sliding opening (11), the damping rod (43) comprises an oil cylinder (431) and a piston rod (432), one end of the oil cylinder (431) connected with the piston rod (432) is fixedly connected with the linkage (42), one end of the piston rod (432) extending out of the oil cylinder (431) penetrates through the linkage (42) and the hook (41) and is fixedly connected with the front assembly body (2), the compression spring (44) is sleeved on the oil cylinder (431), one end of the compression spring (44) abuts against the linkage (42) and the other end abuts against the rear assembly body (3).

3. The compression spring type aluminum case shock absorber according to claim 2, characterized by, The front assembly body (2) is further provided with a guide hole (200), the front and rear parts of the hook (41) respectively extend to both sides and are provided with guide shafts (410), when the hook (41) is assembled on the linkage (42), the guide shafts (410) are matched in the guide hole (200), and the hook (41) is guided by the guide hole (200) during movement.

4. The compression spring type aluminum case shock absorber according to claim 3, characterized by One end of the linkage (42) is provided with an assembly cavity (420) for mounting the hook (41), the guide shafts (410) on the hook (41) penetrate through the two side walls of the assembly cavity (420) and are matched with the guide hole (200), the other end of the linkage (42) is provided with a first clamping groove (421), further provided with a pressing block (422) covering the first clamping groove (421) and a fixing sleeve (423) clamping the pressing block (422) in the first clamping groove (421), the oil cylinder (431) is clamped into the first clamping groove (421) and is covered and pressed by the pressing block (422), and then the pressing block (422) is clamped in the first clamping groove (421) by the fixing sleeve (423).

5. The compression spring type aluminum case shock absorber according to claim 2, wherein The top of the linkage (42) is further provided with a cover plate (424) extending horizontally and outwardly, the end of the cover plate (424) is overlapped on the rear assembly body (3), and the cover plate (424) partially covers the sliding opening (11) and prevents foreign matters from falling into the shell (1).

6. The compression spring type aluminum case shock absorber according to claim 3, wherein The front assembly body (2) comprises a first assembly part (21) and a first connecting part (22) which are integrally formed, the front assembly body (2) is inserted into the shell (1) through the first assembly part (21), the bottom of the first assembly part (21) is provided with a second clamping groove (210), the end of the piston rod (432) is sleeved with a head (433), the head (433) is threadedly connected or interference fitted with the piston rod (432), and the piston rod (432) is fixed by being clamped into the second clamping groove (210) through the head (433).

7. The compression spring type aluminum case shock absorber according to claim 6, characterized by After the first assembly part (21) is inserted into the shell (1), a screw is used to pass through the shell (1) from bottom to top and is screwed to be fixed at the bottom of the first assembly part (21).

8. The compression spring type aluminum case shock absorber according to claim 6, characterized by The first assembly part (21) is outwardly horizontally extended with a baffle (211) on each side, the guide hole (200) is arranged on each side of the baffle (211), and the linkage (42) is slidingly fitted between the baffles (211) on the two sides.

9. The compression spring type aluminum case shock absorber according to claim 6, characterized by The rear assembly body (3) comprises a second assembly part (31) and a second connecting part (32) which are integrally formed, the rear assembly body (3) is inserted into the shell (1) through the second assembly part (31), the end of the second assembly part (31) is outwardly horizontally extended with a cover (33), the cover (33) is a U-shaped structure with an opening downward, when the second assembly part (31) is inserted into the shell (1) with the cover (33), the damping rod (43) and the compression spring (44) are covered in the cover (33).

10. The compression spring type aluminum case shock absorber according to claim 9, characterized by The first connecting part (22) and the second connecting part (32) are both provided with a connecting hole (300), and the buffer can be fixedly installed at a preset position through the connecting hole (300).

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