Waterproof opening connecting rod device

By using a sealing ring and bearing cover design in the waterproof sheathing linkage device of the water jet loom, the problem of short bearing life in water environment is solved, and the waterproof performance and airtightness of the device are improved.

CN223708281UActive Publication Date: 2025-12-23JIANGSU ZHIJIANG EQUIPMENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520387377.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2025-12-23
Estimated Expiration
2035-03-06

AI Technical Summary

Technical Problem

The bearings of water jet looms have a shorter lifespan in water-filled environments. Existing technology makes it difficult to waterproof the open-end connecting rod device. When the bearings of a water jet loom are working in a water-filled environment, they will have a shorter lifespan due to water ingress.

Method used

A waterproof open-type connecting rod device is designed. The device includes an open-type connecting rod, a bearing, and a connecting member for easy installation and disassembly, facilitating component replacement and maintenance.

Benefits of technology

This invention achieves waterproof performance for bearings, solves the problem of short bearing life in water-containing environments, and improves the waterproof sealing and waterproof performance of the device.

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Abstract

The utility model relates to the technical field of water-jet looms, in particular to a waterproof opening connecting rod device. The waterproof opening connecting rod device comprises an opening connecting rod, a waterproof layer, a waterproof layer and a waterproof layer, wherein a cavity is formed in one end of the opening connecting rod; the bearing is arranged in the cavity; one end of the connecting piece and the bearing are connected in the cavity, and the other end of the connecting piece extends out of the cavity; the first sealing ring is arranged on the connecting piece in a sleeving manner; the second sealing ring is arranged on the connecting piece in a sleeving mode, and one side of the second sealing ring is attached to the side, away from the bearing, of the first sealing ring; the bearing cover is arranged on the connecting piece in a sleeving mode and connected with the opening connecting rod, and the first sealing ring and the second sealing ring are located between the bearing cover and the connecting piece; and the fixing piece is arranged at the other end of the connecting piece in a sleeving manner. The bearing has the biggest advantage that after the second sealing ring is additionally arranged, water cannot enter the bearing through the inner edge of the first sealing ring, and the problem that the service life of the bearing is short is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to water-jet loom technical field, concretely relates to a waterproof open link device. BACKGROUND

[0002] The open is one of five basic movements of loom, and its purpose is to drive warp yarn movement according to different fabric rules through harness or heald in a certain order to form a shed for weft threader to pass through, and then close the shed after weft yarn passes through to make warp yarn and weft yarn interweave to form fabric.

[0003] The water-jet loom lower lifting harness open link is long-term worked in water environment, and bearing will have shorter service life due to water. CONTENT

[0004] The utility model discloses a waterproof open link device which overcomes the defects of the prior art.

[0005] In order to realize the above object and other objects, the utility model is through including following technical scheme realizes:

[0006] The bearing is arranged in the cavity;

[0007] The connecting piece one end is connected in the cavity with the bearing, and the other end of the connecting piece extends out of the cavity;

[0008] The first sealing ring is sleeved on the connecting piece and abuts on one side of the bearing;

[0009] The second sealing ring is sleeved on the connecting piece, and one side of the second sealing ring is attached to the side of the first sealing ring away from the bearing;

[0010] The bearing cover is sleeved on the connecting piece and is connected with the open link, and the first sealing ring and the second sealing ring are located between the bearing cover and the connecting piece;

[0011] And the fixing piece is sleeved on the other end of the connecting piece.

[0012] The utility model has the advantages that the connecting piece is connected, and installation and dismounting are convenient, which is beneficial to replacement and maintenance of parts. The second sealing ring is small in size and simple in sealing. The rubber material is soft, can store deformation after being pressed, can generate contact pressure at the same time, and can block leakage, so the waterproof performance is excellent.

[0013] In an embodiment, the connecting piece is provided with a circlip groove at the end in the cavity.

[0014] In an embodiment, the circlip groove is provided with a circlip.

[0015] The beneficial effect of the above embodiment is that the circlip can firmly connect the connecting piece and the bearing seat together to prevent axial displacement of the connecting piece during operation. In addition, the circlip can also act as a buffer to absorb and disperse impact force, reduce vibration and noise, protect the components of the mechanical device, and prolong the service life.

[0016] In an embodiment, the open link is provided with a plurality of screw holes.

[0017] In an embodiment, the bearing cover is provided with a plurality of connecting holes.

[0018] In an embodiment, the connecting holes are provided with a plurality of bolts matched therewith, and the bolts are also matched with the screw holes on the open link and are connected by threads.

[0019] The beneficial effect of the above embodiment is that the bolts can be screwed through the connecting holes on the bearing cover and the screw holes on the open link, and the fixation of the plurality of bolts at different positions can ensure the close connection of the bearing cover and the open link, preventing water from entering the gap between the bearing cover and the open link and then invading the bearing. The waterproof tightness of the overall device is improved.

[0020] In an embodiment, the fixing piece is provided with a washer near the side of the connecting piece.

[0021] The beneficial effect of the above embodiment is that the washer can maintain the stability of the fixation.

[0022] In an embodiment, the fixing piece and the connecting piece are threadedly connected.

[0023] The beneficial effect of the above embodiment is that the threaded connection can ensure stable connection while facilitating disassembly and installation of the device.

[0024] In an embodiment, the bearing cover has a stepped surface.

[0025] In an embodiment, the diameter of the first sealing ring is greater than the diameter of the second sealing ring.

[0026] The beneficial effect of the above embodiment is that the stepped surface of the bearing cover facilitates the placement of the first sealing ring and the second sealing ring and maintains the tightness of the installation.

[0027] This invention provides a waterproof open connecting rod device. After the second sealing ring is installed, the rubber ring moves simultaneously with the shaft pin, and water will no longer enter the bearing through the inner edge of the first sealing ring, thus solving the problem of short bearing life. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] Figure 1 The diagram shown is a three-dimensional structural schematic of the waterproof open-type connecting rod device of this utility model.

[0030] Figure 2 The image shown is an exploded view of the waterproof open-type connecting rod device of this utility model.

[0031] Figure 3 The image shown is an enlarged view of the connecting component in the waterproof open-type connecting rod device of this utility model.

[0032] Figure 4 The image shown is a cross-sectional view of the waterproof open-type connecting rod device of this utility model.

[0033] In the diagram: 1-Open connecting rod; 101-Cavity; 102-Screw hole; 2-Snap ring; 3-Bearing; 4-First sealing ring; 5-Connecting piece; 501-Junior journal; 502-Shaft head; 503-Snap ring groove; 6-Second sealing ring; 7-Bearing cap; 701-Connecting hole; 8-Fixing piece; 9-Washer; 10-Bolt. Detailed Implementation

[0034] To enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0035] like Figure 1 , Figure 2 As shown, a waterproof open-ended connecting rod device includes an open-ended connecting rod 1, a bearing 3, a connector 5, a first sealing ring 4, a second sealing ring 6, a bearing cover 7, and a fixing member 8.

[0036] like Figure 2As shown, the waterproof open-ended connecting rod device includes an open-ended connecting rod 1, one end of which has a cavity 101 and four screw holes 102.

[0037] like Figure 2 As shown, the waterproof open connecting rod device includes a bearing 3, which is disposed in the cavity 101.

[0038] like Figure 2 , Figure 3 , Figure 4 As shown, the waterproof open-type connecting rod device includes a connector 5, which has a journal 501 and a head 502 at both ends. The journal 501 has a retaining ring groove 503 at its end. The journal 501 passes through a bearing 3. A retaining ring 2 is also provided at the retaining ring groove 503. The connector 5 and the bearing 3 are secured by the retaining ring 2 to prevent axial displacement of the connector 5 during operation. Furthermore, the retaining ring 2 can also act as a damper, absorbing and dispersing impact forces, reducing vibration and noise, protecting the components of the mechanical device, and extending its service life. The connector 5 can be a type of axle pin.

[0039] like Figure 2 As shown, the waterproof open connecting rod device includes a first sealing ring 4. The first sealing ring 4 is disposed on one side of the bearing 3 and near the opening of the cavity 101. The first sealing ring 4 is disposed on the connecting member 5, with one side of the first sealing ring 4 close to the bearing 3. The first sealing ring 4 has the function of preventing lubricating oil leakage and preventing external impurities from entering.

[0040] like Figure 2 As shown, the waterproof open connecting rod device includes a second sealing ring 6, which is disposed on the connecting member 5 and fits against the other side of the first sealing ring 4. The second sealing ring 6 moves simultaneously with the connecting member 5, preventing water from entering the bearing 3. Water will no longer enter the bearing 3 through the inner edge of the first sealing ring 4.

[0041] like Figure 2 As shown, the waterproof open connecting rod device includes a bearing cover 7, which has four connecting holes 701. The bearing cover 7 passes through the shaft head 502 and is connected to the screw hole 102 on the open connecting rod 1 by bolts 10 to close the cavity 101. Specifically, the structure of the bearing cover 7 can match the first sealing ring 4 and the second sealing ring 6 to ensure the reliability of the seal. The diameter of the first sealing ring 4 is larger than the diameter of the second sealing ring 6. The bearing cover 7 has stepped surfaces inside that match the end faces of the first sealing ring 4 and the second sealing ring 6 respectively. By setting two sealing rings with gradually decreasing diameters to cooperate with the internal structure of the bearing cover 7, a good waterproof effect can be achieved.

[0042] like Figure 2 ,Figure 4 As shown, the waterproof opening connecting rod device comprises a fixing piece 8, which is sleeved on the end of the connecting piece 5 and connected with the connecting piece 5 through threads. The fixing piece 8 is also provided with a gasket 9 on the side close to the opening connecting rod 1, which is sleeved on the connecting piece 5 and can keep stable fixation.

[0043] The utility model discloses a connecting piece 5 is connected, and installation and dismounting are more convenient, and the replacement and maintenance of part are favorable. The second sealing ring 6 is small in size, and sealing is simple. The second sealing ring 6 can adopt rubber material, and the rubber material is soft, can store deformation after being pressed, simultaneously generates contact pressure, and blocks leakage, therefore has excellent waterproof performance.

[0044] In the description of the utility model, it is explained that when an element is called "fixed on" or "set on" another element, it can be directly on another element or indirectly set on another element; when an element is called "connected to" another element, it can be directly connected to another element or indirectly connected to another element.

[0045] It is understood that the terms "height", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0046] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0047] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiments or examples are included in at least one embodiment or example of the present application. In the description of the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0048] It is to be understood that the structures, proportions, sizes, etc. shown in the drawings for the embodiments disclosed are to be considered merely for purposes of illustrative understanding and are not intended to limit the application to the specific embodiments illustrated. Any modification, change, or variation that is not deemed to affect the essential characteristics of the application is to be considered within the scope of the application.

[0049] The above description of disclosed embodiments enables one skilled in the art to make or use the application. Numerous modifications to these embodiments would be apparent to those skilled in the art, and the general principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not to be limited to the embodiments described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A waterproof open-type connecting rod device, characterized in that: The waterproof open-type connecting rod device includes: An open-ended connecting rod, wherein one end of the open-ended connecting rod has a cavity; The bearing is disposed within the cavity; A connector, one end of which is connected to the bearing within the cavity, and the other end of which extends out of the cavity; The first sealing ring is sleeved on the connector and abuts against one side of the bearing; The second sealing ring is sleeved on the connector, and one side of the second sealing ring is in contact with the side of the first sealing ring away from the bearing. A bearing cover that covers the cavity, with the first and second sealing rings located between the bearing cover and the connector; And a fastener, fitted onto the other end of the connector.

2. The waterproof open-type connecting rod device according to claim 1, characterized in that: The connector has a retaining ring groove at its end inside the cavity.

3. The waterproof open-type connecting rod device according to claim 2, characterized in that: A retaining ring is also provided at the retaining ring slot.

4. The waterproof open-type connecting rod device according to claim 1, characterized in that: The open connecting rod is provided with multiple screw holes.

5. The waterproof open-type connecting rod device according to claim 1, characterized in that: The bearing cover is provided with multiple connection holes.

6. The waterproof open-type connecting rod device according to claim 5, characterized in that: The connecting hole is provided with a plurality of matching bolts, and the bolts are also matched with the screw holes on the open connecting rod.

7. The waterproof open-type connecting rod device according to claim 1, characterized in that: The fastener has a washer on the side near the open connecting rod.

8. The waterproof open-type connecting rod device according to claim 1, characterized in that: The fastener and the connector are threaded together.

9. The waterproof open-type connecting rod device according to claim 1, characterized in that: The bearing cover has a stepped surface.

10. The waterproof open-type connecting rod device according to claim 1, characterized in that: The diameter of the first sealing ring is larger than the diameter of the second sealing ring.