Stroke multiplication mechanism

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By designing the rod pin connection of the bracket, pushing member, cylinder and adjustment mechanism, the existing stroke multiplication mechanism has solved the problems of complex processes and large space occupancy, and the equipment is compact and space-saving effects are achieved.

CN223203360UActive Publication Date: 2025-08-08QINGDAO OAKE LNTELLIGENT SYST CO LTD

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Patent Information

Application Number: CN202422161668.6
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-09-04
Publication Date: 2025-08-08
Estimated Expiration: 2034-09-04

AI Technical Summary

Technical Problem

The existing stroke multiplication mechanism with cylinders is complex in large-scale automated production and takes up a large space, especially when the cylinder is retracted, further increasing space occupancy.

Method used

A stroke multiplication mechanism is designed, including a bracket, pusher, cylinder, adjustment mechanism and contraction assembly. The expansion and retraction of the contraction assembly is achieved through the rod pin connection, and the stability is ensured in combination with the guide assembly and reduce space occupation.

Benefits of technology

It realizes that the equipment has a simple and compact structure and small space, and can meet production needs in limited space.

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Abstract

The utility model discloses a stroke multiplication mechanism which comprises a support, a pushing piece and an air cylinder, and the air cylinder is fixedly connected with the support. The adjusting mechanism comprises a contraction assembly, the contraction assembly is connected with the support through a pin shaft, the output end of the air cylinder is connected with the telescopic position of the contraction assembly through a pin shaft, and the pushing piece is connected with the end, away from the air cylinder, of the contraction assembly through a pin shaft; the utility model has the beneficial effects that the equipment structure is simple and compact, the occupied space is small, and the production requirements can be met under the condition that the space is limited.

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Description

Technical Field

[0001] The utility model belongs to the field of automation technology, and particularly relates to a stroke multiplication mechanism. Background Art

[0002] Stroke multiplication mechanisms are often used in large-scale automated production. Existing stroke multiplication mechanisms, in particular, employ pneumatic cylinders. These mechanisms are not only complex to manufacture but also require a large installation footprint, significantly increasing the space required due to the cylinder's retraction. To address these challenges, we propose a stroke multiplication mechanism. Utility Model Content

[0003] The purpose of the present utility model is to provide a stroke multiplication mechanism to solve the problems raised in the above background technology.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] A stroke multiplication mechanism includes

[0006] Brackets and pushers,

[0007] Cylinder, the cylinder is fixedly connected to the bracket;

[0008] The adjusting mechanism includes a contraction component, the contraction component is connected to the bracket pin, the output end of the cylinder is connected to the retractable position pin of the contraction component, and the pusher is connected to the pin at the end of the contraction component away from the cylinder.

[0009] Preferably, the adjustment mechanism further comprises a fixed body and a support body provided with a first channel, the fixed body is fixedly connected to the support, the output end of the cylinder passes through the first channel, and the contraction assembly is pin-connected to the fixed body;

[0010] The support body is pin-connected to the telescopic position of the contraction assembly and is fixedly connected to the output end of the cylinder.

[0011] Preferably, the contraction assembly includes a first contraction assembly and a second contraction assembly, and the first contraction assembly and the second contraction assembly are symmetrically arranged;

[0012] The first contraction assembly includes a first rod and a second rod, one end of the first rod is pin-connected to the fixed body, and the other end is pin-connected to one end of the second rod;

[0013] The second contraction assembly includes a third rod and a fourth rod, one end of the third rod is pin-connected to the fixed body, and the other end is pin-connected to one end of the fourth rod;

[0014] The second rod body and the fourth rod body are in a scissor shape and are connected by a pin at the intersection; the support body is fixedly connected to the pin at the intersection of the second rod body and the fourth rod body.

[0015] Preferably, the first retracting assembly further comprises a fifth rod, the fifth rod being pin-connected to an end of the second rod away from the first rod;

[0016] The second contraction assembly further includes a sixth rod body, which is pin-connected to an end of the fourth rod body away from the third rod body.

[0017] Preferably, the support body is pin-connected to an end of the second rod away from the first rod, and is pin-connected to an end of the fourth rod away from the third rod.

[0018] Preferably, the support body is fixedly connected with a connecting piece, the connecting piece is pin-connected to an end of the second rod body away from the first rod body, and the connecting piece is pin-connected to an end of the fourth rod body away from the third rod body.

[0019] Preferably, the support body is fixedly connected to an end of the fifth rod away from the second rod, and is pin-connected to an end of the sixth rod away from the fourth rod.

[0020] Preferably, the support body is fixedly connected with a connecting piece, the connecting piece is pin-connected to one end of the fifth rod body away from the second rod body, and the connecting piece is pin-connected to one end of the sixth rod body away from the fourth rod body.

[0021] Preferably, the support body is provided with a second channel, the stroke multiplication mechanism also includes a guide assembly and a positioning member provided with a third channel, the positioning member is fixedly connected to the bracket, the guide assembly includes a first guide rod and a second guide rod, the first guide rod passes through the second channel and is fixedly connected to the pushing member, and the second guide rod passes through the third channel and is fixedly connected to the support body.

[0022] Preferably, the second channels are provided on both sides of the support body, and the guide components are provided on both sides of the contraction component.

[0023] Preferably, the stroke multiplication mechanism includes two sets of guide assemblies, which are symmetrically arranged on both sides of the contraction assembly.

[0024] Preferably, the stroke multiplication mechanism includes two groups of contraction components, and the two groups of contraction components are symmetrically arranged on both sides of the support body.

[0025] Preferably, the bracket is composed of a plurality of rods fixedly connected in pairs, and the cylinder is located above or inside the bracket.

[0026] The utility model is designed with a first contraction component and a second contraction component, and the contraction components are connected through the pins of the rod bodies to achieve the expansion and retraction of the contraction components, saving space.

[0027] The utility model is designed with a support body, and the support body is fixedly connected to a pin shaft at the intersection of the second rod body and the fourth rod body. The output end of the cylinder is connected to the support body, and the cylinder can drive the expansion and retraction of the contraction assembly by driving the support body.

[0028] The utility model is designed with a guide assembly, a first guide rod is fixedly connected to the pusher and passes through the second channel of the support body, the second guide rod is fixedly connected to the support body and passes through the third channel of the positioning member, the first guide rod and the second guide rod move back and forth in the second channel and the third channel to ensure the stability of the retraction assembly when the retraction mechanism is opened and retracted.

[0029] Compared with the prior art, the beneficial effects of the present invention are: the equipment structure is simple and compact, and it occupies a small space, which can ensure that the production needs can be met under the condition of limited space. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model in the extended state;

[0031] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model in the retracted state;

[0032] Figure 3 It is a top view of the utility model in the extended state;

[0033] In the figure: 1- bracket; 2- pushing member; 3- cylinder; 41- fixed body; 42- retraction assembly; 420- pin shaft; 421- first retraction assembly; 4211- first rod; 4212- second rod; 4213- fifth rod; 422- second retraction assembly; 4221- third rod; 4222- fourth rod; 4223- sixth rod; 43- supporting body; 6- guide assembly; 61- first guide rod; 62- second guide rod; 7- positioning member. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0035] See also Figures 1 to 3 , this utility model provides several technical solutions:

[0036] Example 1:

[0037] A stroke multiplication mechanism includes a bracket and a pusher.

[0038] Cylinder, the cylinder is fixedly connected to the bracket;

[0039] The adjustment mechanism includes a contraction component 42, the contraction component 42 is pin-connected to the bracket 1, the output end of the cylinder 3 is pin-connected to the retractable position of the contraction component 42, and the pusher 2 is pin-connected to the end of the contraction component 42 away from the cylinder 3.

[0040] The adjustment mechanism also includes a fixed body and a support body 43 provided with a first channel. The fixed body 41 is fixedly connected to the bracket 1, the output end of the cylinder 3 passes through the first channel, and the contraction component 42 is pin-connected to the fixed body 41; the support body 43 is pin-connected to the retractable position of the contraction component 42, and is fixedly connected to the output end of the cylinder 3.

[0041] The contraction assembly 42 includes a first contraction assembly 421 and a second contraction assembly 4222, and the first contraction assembly 421 and the second contraction assembly 4222 are symmetrically arranged; the first contraction assembly 421 includes a first rod body 4211 and a second rod body 4212, one end of the first rod body 4211 is pin-connected to the fixed body 41, and the other end is pin-connected to one end of the second rod body 4212; the second contraction assembly 4222 includes a third rod body 4221 and a fourth rod body 4222, one end of the third rod body 4221 is pin-connected to the fixed body 41, and the other end is pin-connected to one end of the fourth rod body 4222; the second rod body 4212 and the fourth rod body 4222 are scissor-shaped and pin-connected at the intersection position; the support body 43 is fixedly connected to the pin 420 at the intersection position of the second rod body 4212 and the fourth rod body 4222.

[0042] The support body 43 is pin-connected to one end of the second rod 4212 away from the first rod 4211 , and is pin-connected to one end of the fourth rod 4222 away from the third rod 4221 .

[0043] The support body 43 is fixedly connected to a connecting piece, which is pin-connected to one end of the second rod 4212 away from the first rod 4211 , and is pin-connected to one end of the fourth rod 4222 away from the third rod 4221 .

[0044] The support body 43 is provided with a second channel, and the stroke multiplication mechanism also includes a guide assembly 6 and a positioning member 7 provided with a third channel. The positioning member 7 is fixedly connected to the bracket 1. The guide assembly 6 includes a first guide rod 61 and a second guide rod 62. The first guide rod 61 passes through the second channel and is fixedly connected to the pusher 2. The second guide rod 62 passes through the third channel and is fixedly connected to the support body 43.

[0045] The bracket 1 is composed of a plurality of rods fixedly connected in pairs, and the cylinder 3 is located above or inside the bracket 1.

[0046] Example 2:

[0047] Based on Example 1, the first retracting assembly 421 further includes a fifth rod 4213, which is pin-connected to the end of the second rod 4212 away from the first rod 4211. The second retracting assembly 422 further includes a sixth rod 4223, which is pin-connected to the end of the fourth rod 4222 away from the third rod 4221. The support 43 is fixedly connected to the end of the fifth rod 4213 away from the second rod 4212, and is pin-connected to the end of the sixth rod 4223 away from the fourth rod 4222. The support 43 is fixedly connected to a connector, which is pin-connected to the end of the fifth rod 4213 away from the second rod 4212, and is pin-connected to the end of the sixth rod 4223 away from the fourth rod 4222.

[0048] Example 3:

[0049] Based on Example 1, the second channel is arranged on both sides of the support body 43, the guide assembly 6 is arranged on both sides of the contraction assembly 42, and the stroke multiplication mechanism includes two groups of guide assemblies 6, which are symmetrically arranged on both sides of the contraction assembly.

[0050] Example 4:

[0051] On the basis of Example 1, the stroke multiplication mechanism includes two groups of contraction components, and the two groups of contraction components are symmetrically arranged on both sides of the support body 43.

[0052] The working principle and use process of this utility model:

[0053] The output end of the cylinder is pushed out, the support body moves forward, and the contraction assembly opens. During the opening process, the first guide rod also moves forward under the drive of the pusher, and the second guide rod also moves forward under the drive of the support body. When the output end of the cylinder is pushed out the longest, the contraction assembly opens to the maximum extent; the output end of the cylinder is retracted, the support body retreats, and the contraction assembly retracts. During the retraction process, the first guide rod also retreats under the drive of the pusher, and the second guide rod also retreats under the drive of the support body. When the output end of the cylinder is retracted to the innermost side of the cylinder, the contraction assembly retracts to the maximum extent.

[0054] Although embodiments of the present invention have been shown and described (see the detailed description above for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

[0055] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0056] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

Claims

1. A stroke multiplication mechanism, characterized in that: include Bracket (1) and pusher (2), A cylinder (3), wherein the cylinder (3) is fixedly connected to the bracket (1); An adjustment mechanism, the adjustment mechanism comprising a contraction component (42), the contraction component (42) being pin-connected to the bracket (1), the output end of the cylinder (3) being pin-connected to the telescopic position of the contraction component (42), and the pusher (2) being pin-connected to an end of the contraction component (42) away from the cylinder (3); The adjustment mechanism further comprises a fixing body, which is fixedly connected to the bracket (1); The contraction component (42) includes a first contraction component (421) and a second contraction component (422), wherein the first contraction component (421) and the second contraction component (422) are symmetrically arranged; The first contraction assembly (421) comprises a first rod (4211) and a second rod (4212), one end of the first rod (4211) being pin-connected to the fixed body, and the other end being pin-connected to one end of the second rod (4212); The second contraction assembly (422) comprises a third rod (4221) and a fourth rod (4222), one end of the third rod (4221) being pin-connected to the fixed body, and the other end being pin-connected to one end of the fourth rod (4222); The second rod body (4212) and the fourth rod body (4222) are scissor-shaped and are pin-connected at the intersection position.

2. A stroke multiplication mechanism according to claim 1, characterized in that: The regulating mechanism further comprises a supporting body (43), the fixed body is provided with a first channel, the output end of the cylinder (3) passes through the first channel, and the contraction assembly is pin-connected to the fixed body (41); The support body (43) is pin-connected to the telescopic position of the contraction assembly (42) and is fixedly connected to the output end of the cylinder (3).

3. A stroke multiplication mechanism according to claim 2, characterized in that: The support body is fixedly connected to a pin shaft (420) at the intersection of the second rod body (4212) and the fourth rod body (4222).

4. A stroke multiplication mechanism according to claim 3, characterized in that: The first contraction assembly (421) further comprises a fifth rod (4213), wherein the fifth rod (4213) is pin-connected to an end of the second rod (4212) away from the first rod (4211); The second contraction assembly (422) further comprises a sixth rod (4223), and the sixth rod (4223) is pin-connected to an end of the fourth rod (4222) away from the third rod (4221).

5. The stroke multiplication mechanism according to claim 3, characterized in that: The support body is pin-connected to one end of the second rod (4212) away from the first rod (4211), and is pin-connected to one end of the fourth rod (4222) away from the third rod (4221).

6. A stroke multiplication mechanism according to claim 4, characterized in that: The support body is pin-connected to one end of the fifth rod (4213) away from the second rod (4212), and is pin-connected to one end of the sixth rod (4223) away from the fourth rod (4222).

7. A stroke multiplication mechanism according to claim 2, characterized in that: The support body (43) is provided with a second channel, and the stroke multiplication mechanism further includes a guide assembly (6) and a positioning member (7) provided with a third channel, wherein the positioning member (7) is fixedly connected to the bracket (1), and the guide assembly (6) includes a first guide rod (61) and a second guide rod (62), wherein the first guide rod passes through the second channel (431) and is fixedly connected to the pusher (2), and the second guide rod passes through the third channel and is fixedly connected to the support body.

8. A stroke multiplication mechanism according to claim 7, characterized in that: The stroke multiplication mechanism comprises two groups of guide assemblies (6), and the two groups of guide assemblies (6) are symmetrically arranged on both sides of the contraction assembly.

9. A stroke multiplication mechanism according to claim 3 or 4, characterized in that: The stroke multiplication mechanism includes two groups of contraction components, which are symmetrically arranged on both sides of the support body.

10. The stroke multiplication mechanism according to claim 1, characterized in that: The bracket (1) is composed of a plurality of rods fixedly connected in pairs, and the cylinder (3) is located above or inside the bracket (1).