Axial telescopic rotating assembly capable of being quickly locked

Abstract

The axial telescopic rotating assembly capable of being locked quickly comprises an inner sleeve, an outer sleeve and a locking piece, a clamping ring block is arranged on the outer surface of the upper section of an inner sleeve body, and a sleeving contact part is arranged on the outer surface of the lower section of the inner sleeve body; a clamping seat is arranged at the lower end of the locking piece cylinder, and a quick locking clamping groove machined from the upper surface to the outer side surface is formed in the outer surface of the upper end; the inner sleeve is arranged in the outer sleeve, and the sleeving contact part at the lower end of the inner sleeve is in contact connection with the inner surface of the outer sleeve; the locking piece is arranged on the inner sleeve in a sleeving mode, and the clamping ring block is arranged in the quick locking clamping groove. And the clamping seat is connected with a flange surface on the upper surface of the outer sleeve, and is locked and connected after being pressed on the clamping seat through the two split positioning rings. According to the utility model, the quick locking function can be realized, the unlocking can be performed in a reverse sequence, the quick locking structure of the axial telescopic rotating assembly is simple, the mounting space is small, the use is flexible, quick-wear parts are very convenient to maintain and replace, the cost is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline connection, in particular to an axially telescopic rotating component capable of quick locking. Background Art

[0002] Pipelines are an indispensable device for people's daily life, factory production operations, and water and energy transportation. Pipelines are most commonly used for the transportation of liquids and gases, and are mainly used in water supply, drainage, heating, gas supply, and various industrial devices. At present, when the pipeline is in operation, the inner cylinder and outer shell of the rotating component will move relative to each other due to the pressure in the pipeline. The previous axially retractable rotating components will cause relative movement between the inner cylinder and the outer shell due to the pressure in the pipeline during operation, and sometimes jamming will occur. The utility model solves the above-mentioned shortcomings. After the rotating component rotates and moves axially as needed, the quick lock structure can lock the inner cylinder and the outer shell to limit its axial movement. Summary of the invention

[0003] In view of the above problems, the utility model provides an axially telescopic rotating assembly with quick lock to solve the technical problems existing in the background technology.

[0004] The utility model adopts the following technical solutions to achieve:

[0005] A quick-lockable axial telescopic rotation assembly comprises an inner sleeve, an outer sleeve, a split positioning ring and a locking piece, wherein the outer surface of the upper section of the inner sleeve body of the inner sleeve is provided with a snap ring block, and the outer surface of the lower section is provided with a sleeve contact portion; the lower end of the locking piece cylinder of the locking piece is provided with a snap seat, and the outer surface of the upper end is provided with a quick-locking groove processed from the upper surface to the outer side surface; the inner sleeve is arranged in the outer sleeve, and the sleeve contact portion at the lower end of the inner sleeve is in contact and connected with the inner surface of the outer sleeve; the locking piece is sleeved on the inner sleeve, and the snap ring block is arranged in the quick-locking groove; the snap seat is connected to the flange surface of the upper surface of the outer sleeve, and after being pressed on the snap seat by two split positioning rings, the split positioning ring, the snap seat and the outer sleeve are locked and connected by bolts and nuts.

[0006] Furthermore, a sealing groove is provided on the outer surface of the sleeve contact portion; and a sealing ring is provided in the sealing groove.

[0007] Furthermore, the split type positioning ring comprises a positioning ring body 1; a group of bolt holes are arranged on the upper surface of the positioning ring body, and a clamping groove is arranged on the lower end of the inner surface of the positioning ring body.

[0008] Furthermore, when the two split positioning rings are connected to the clamping seat, the clamping seat is located in the clamping groove.

[0009] Furthermore, the inner hole of the outer sleeve is larger on the upper side and smaller on the lower side; the inner sleeve, the outer sleeve and the locking piece are coaxially assembled.

[0010] Furthermore, the bolts are respectively passed through the bolt holes, the flange surface on the upper surface of the outer sleeve and the gasket, and then locked by nuts.

[0011] The beneficial effects of the utility model are as follows: the assembly, installation, maintenance and replacement of wearing parts of the components of the utility model are very convenient and quick, and can be widely used in many application scenarios that require axis deflection and rotation. When the inner sleeve and the outer sleeve need to be locked, the clamping ring block of the inner sleeve is aligned with the quick-locking slot of the locking piece and pushed in, and then the locking piece is rotated to make the circumferential notch of the quick-locking slot fit with the clamping ring block to realize the quick-locking function. When unlocking, the operation can be performed in reverse order, which improves work efficiency, saves construction time and cost, and has good sealing performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the main structure of the utility model.

[0013] Figure 2 This is a schematic diagram of the AA section structure of the utility model.

[0014] Figure 3 It is a schematic diagram of the cross-sectional structure of the inner sleeve.

[0015] Figure 4 It is a schematic diagram of the main structure of the locking component.

[0016] Figure 5 It is a schematic diagram of the three-dimensional structure of the split positioning ring.

[0017] In the figure: inner sleeve 1; sealing ring 2; outer sleeve 3; split positioning ring 4; bolt 5; nut 6; washer 7; locking piece 8; inner sleeve body 11; snap ring block 12; sleeve contact portion 13; sealing groove 14; positioning ring body 41; bolt hole 42; snap groove 43; locking piece cylinder 81; snap seat 82; quick lock slot 83. DETAILED DESCRIPTION

[0018] The following is a further detailed description of the best embodiment shown in the accompanying drawings.

[0019] Reference Figures 1 to 5 As shown, a quick-lockable axial telescopic rotating assembly comprises an inner sleeve 1, an outer sleeve 3, a split positioning ring 4 and a locking member 8, as shown in FIG. Figure 3 As shown, the upper outer surface of the inner sleeve body 11 of the inner sleeve 1 is provided with a snap ring block 12, and the lower outer surface is provided with a sleeve contact portion 13; Figure 4As shown, the lower end of the locking member cylinder 81 of the locking member 8 is provided with a snap-on seat 82, and the outer surface of the upper end is provided with a quick-locking slot 83 processed from the upper surface to the outer side surface; the inner sleeve 1 is arranged in the outer sleeve 3, and the sleeve contact portion 13 at the lower end of the inner sleeve 1 is in contact with the inner surface of the outer sleeve 3; the locking member 8 is sleeved on the inner sleeve 1, and the snap-on ring block 12 is arranged in the quick-locking slot 83; the snap-on seat 82 is supported and connected with the flange surface on the upper surface of the outer sleeve 3, and after two split positioning rings 4 are pressed on the snap-on seat 82, the split positioning ring 4, the snap-on seat 82 and the outer sleeve 3 are locked and connected by bolts 5 and nuts 6. The split positioning ring 4, the inner sleeve 1, the locking member 8 and the outer sleeve 3 are all clearance-matched with each other and can be flexibly rotated. The process of realizing the quick lock function is: when it is necessary to lock the inner sleeve 1 and the outer sleeve 3, align the snap ring block 12 of the inner sleeve 1 with the quick lock slot 83 of the locking component 8 and push it in, then rotate the locking component 8 to make the circumferential notch of the quick lock slot 83 fit with the snap ring block 12 to realize the quick lock function, and the reverse sequence can be used to unlock. The quick lock structure of the axial telescopic rotating assembly is simple, the installation space is small, the use is flexible, and the maintenance and replacement of wearing parts are very convenient, which reduces costs and improves work efficiency.

[0020] As a preferred embodiment, Figure 3 As shown, a sealing groove 14 is provided on the outer surface of the sleeve contact portion 13 ; a sealing ring 2 is provided in the sealing groove 14 , which improves the sealing performance, reduces the difficulty of installing the sealing ring 2 , and increases the service life of the sealing ring 2 .

[0021] As a preferred embodiment, Figure 5 As shown, the split positioning ring 4 includes a positioning ring body 41; a group of bolt holes 42 are provided on the upper surface of the positioning ring body 41, and a clamping groove 43 is provided at the lower end of the inner surface of the positioning ring body 41. When the two split positioning rings 4 are connected with the clamping seat 82, the clamping seat 82 is located in the clamping groove 43, which ensures the stability of the structure and facilitates the operation of fast locking. When this assembly needs to be repaired or parts are replaced, the fixing bolts 5 of the split positioning ring 4 can be loosened to conveniently disassemble the parts of this assembly.

[0022] As a preferred embodiment, Figure 2 As shown, the inner hole of the outer sleeve 3 is larger on the upper side and smaller on the lower side; the inner sleeve 1, the outer sleeve 3 and the locking member 8 are coaxially assembled. The bolt 5 passes through the bolt hole 42, the flange surface on the upper surface of the outer sleeve 3 and the washer 7 respectively, and is locked by the nut 6, thereby ensuring the smooth operation of the axial telescopic rotation assembly, the stability of the structure, and the convenience of installation.

[0023] Application Examples

[0024] The surfaces and corners of this rotating assembly that are in contact with the conveying medium are treated in accordance with the hygiene requirements of biology, medicine, food, etc., and can meet the hygiene requirements of the above industries. The design of this rotating assembly is based on the pressure, temperature, corrosion and other operating conditions of the conveying medium. The material, wall thickness and surface treatment of each part are selected as required to meet the pipe connection needs in the fields of machinery, biology, medicine and food.

[0025] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A quick-lockable axial telescopic rotating assembly, characterized in that: It includes an inner sleeve, an outer sleeve, a split positioning ring and a locking piece, wherein the outer surface of the upper section of the inner sleeve body of the inner sleeve is provided with a snap ring block, and the outer surface of the lower section is provided with a sleeve contact portion; the lower end of the locking piece cylinder of the locking piece is provided with a snap seat, and the outer surface of the upper end is provided with a quick-locking groove processed from the upper surface to the outer side surface; the inner sleeve is arranged in the outer sleeve, and the sleeve contact portion at the lower end of the inner sleeve is in contact and connected with the inner surface of the outer sleeve; the locking piece is sleeved on the inner sleeve, and the snap ring block is arranged in the quick-locking groove; the snap seat is connected to the flange surface of the upper surface of the outer sleeve, and after being pressed on the snap seat by two split positioning rings, the split positioning ring, the snap seat and the outer sleeve are locked and connected by bolts and nuts.

2. The quick-lockable axial telescopic rotating assembly according to claim 1, characterized in that: A sealing groove is arranged on the outer surface of the sleeve contact portion; a sealing ring is arranged in the sealing groove.

3. The quick-lockable axial telescopic rotating assembly according to claim 1, characterized in that: The split type positioning ring comprises a positioning ring body; a group of bolt holes are arranged on the upper surface of the positioning ring body, and a clamping groove is arranged on the lower end of the inner surface of the positioning ring body.

4. The quick-lockable axial telescopic rotating assembly according to claim 3, characterized in that: When the two split positioning rings are connected to the clamping seat, the clamping seat is located in the clamping groove.

5. The quick-lockable axial telescopic rotating assembly according to claim 1, characterized in that: The inner hole of the outer sleeve is larger on the upper side and smaller on the lower side; the inner sleeve, the outer sleeve and the locking piece are coaxially assembled.

6. The quick-lockable axial telescopic rotating assembly according to claim 3, characterized in that: The bolts are respectively passed through the bolt holes, the flange surface on the upper surface of the outer sleeve and the washers, and then are locked by nuts.

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