A bolted joint with axial positioning

Abstract

The utility model discloses a bolt connection pair with axial positioning, wherein including main thread, the outer ring surface of main thread is equipped with the first limit ring of limit bush, the outer ring surface of main thread is equipped with the main nut of installation setting, the side surface welding of main thread has the locating insertion rod, the inner ring surface limit insertion of locating insertion rod has the cylindrical guide rod, the side surface fixed connection of cylindrical guide rod has the guide plate. When the user needs to carry out axial positioning, the user needs to carry out the insertion of main thread, and the guide plate will move on the locating insertion rod when the insertion of main thread is carried out, and through the reset spring that sets up, the user can use the limit support to the guide plate, so that the user can insert the locating insertion rod in the position that needs to be installed in the center, then the user twists the main nut, and the user can efficiently position the bolt connection pair.

Description

Technical Field

[0001] This utility model belongs to the field of bolt connection pair technology, specifically relating to a bolt connection pair with axial positioning. Background Technology

[0002] A bolted connection pair is a component that connects parts through threads. It mainly consists of a bolt, a washer, and a nut. The bolt and nut engage through threads, forming friction and a solid connection when under force. A connection pair includes a bolt, a nut, and a washer. When using a bolted connection pair, the user needs to position it. Therefore, bolted connection pairs with axial positioning are required.

[0003] The existing technology has the following problems:

[0004] 1. Currently available bolted connections with axial positioning on the market do not have a perfect positioning function when users need to perform axial positioning on the connection.

[0005] 2. Currently available bolted connections with axial positioning are not convenient for users to perform fine-tuning during installation, which increases the user's time cost. Utility Model Content

[0006] The purpose of this invention is to provide a bolt connection pair with axial positioning for existing devices, in order to solve the problems mentioned in the background art.

[0007] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a bolt connection pair with axial positioning, including a main thread, a first limiting ring fitted on the outer ring surface of the main thread, a main nut installed on the outer ring surface of the main thread, a positioning insert welded to the side surface of the main thread, a cylindrical guide rod inserted into the inner ring surface of the positioning insert, a guide plate fixedly connected to the side surface of the cylindrical guide rod, a second limiting ring fitted on the outer ring surface of the main thread, a positioning insert fixedly connected to the outer ring surface of the main thread, a snap-fit ​​sleeve fixedly connected to the side surface of the positioning insert, a fixing block fixedly connected to the side surface of the snap-fit ​​sleeve, and a first nut snapped into the side surface of the fixing block.

[0008] The present invention further illustrates that the side surface of the positioning rod is provided with a positioning snap-fit ​​opening, and the positioning snap-fit ​​opening and the guide plate are matched in size.

[0009] The above technical solution features a positioning and locking opening that matches the size of the guide plate, which facilitates the user's use of the guide plate for positioning and locking.

[0010] This utility model further illustrates that a reset spring is fixedly connected to the inner ring surface of the guide plate, and the reset spring and the positioning rod are connected.

[0011] Using the above technical solution, the reset spring that connects to the positioning rod facilitates the connection between the guide plate and the positioning rod by the user.

[0012] This utility model further illustrates that the inner ring surface of the positioning rod has a limiting installation opening, and the size of the limiting installation opening and the cylindrical guide rod are matched.

[0013] The above technical solution, with its matching size limit installation opening between the cylindrical guide rod and the user, facilitates the user's use of the cylindrical guide rod for limitation.

[0014] The present invention further explains that a first threaded rod is inserted into the inner ring surface of the first nut for limiting, and the first threaded rod is connected between the first nut and the snap-fit ​​sleeve.

[0015] Using the above technical solution, the first threaded rod, which is connected between the first nut and the snap-fit ​​sleeve, allows the user to make a stable connection between the first threaded rod and the snap-fit ​​sleeve.

[0016] The present invention further explains that the first nut is connected between a fixing block and a snap-fit ​​sleeve, and the fixing block is symmetrically arranged with the vertical center line of the first nut as the axis of symmetry.

[0017] Using the above technical solution, the fixing blocks symmetrically arranged with the vertical center line of the first nut as the axis of symmetry can facilitate the user to connect the first nut and the snap-fit ​​sleeve.

[0018] The present invention further explains that a baffle is inserted into the side surface of the snap-fit ​​sleeve, and the baffle is connected between the snap-fit ​​sleeve and the positioning rod.

[0019] Using the above technical solution, the baffle that connects the snap-fit ​​sleeve and the positioning rod makes it easy for the user to connect the baffle and the positioning rod.

[0020] This utility model further illustrates that the guide plate is connected by cylindrical guide rods and positioning rods, and there are multiple cylindrical guide rods.

[0021] The above technical solution uses multiple cylindrical guide rods, which facilitates the user in limiting the use of the guide plate.

[0022] Compared with the prior art, the beneficial effects achieved by this utility model are:

[0023] This utility model provides a bolt connection assembly with axial positioning. Through the mutual cooperation and use of the main thread, first limiting ring, main nut, guide plate, positioning snap-fit ​​opening, baffle, snap-fit ​​sleeve, positioning rod, first threaded rod, fixing block, first nut, second limiting ring, return spring, cylindrical guide rod, and limiting installation opening, it is convenient for users to perform efficient axial positioning of the bolt connection assembly. When the user needs to perform axial positioning, the user needs to insert the main thread. When inserting the main thread, the guide plate will move on the positioning rod. Through the set return spring, the user can use the limiting support of the guide plate. In this way, the user can insert the positioning rod into the required installation position at the center. Then, after the user tightens the main nut, the user can perform efficient positioning of the bolt connection assembly, which meets the user's need for efficient positioning.

[0024] This utility model provides a bolt connection pair with axial positioning. By setting a first threaded rod, the user can adjust it on the first nut after turning the first threaded rod. After the user pushes the first threaded rod back and forth, the user can push and support the second limiting ring. In this way, the user can adjust the overall length of the main thread, thus meeting the user's need for length adjustment. Attached Figure Description

[0025] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0026] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0027] Figure 2 This is a left-side view of the structure of this utility model;

[0028] Figure 3 This is a right-side view of the structure of this utility model;

[0029] Figure 4 This is the utility model Figure 1 Enlarged view of the structure at point A in the middle;

[0030] Figure 5 This is a side sectional view of the structure of this utility model;

[0031] Figure 6 This is the utility model Figure 5 Enlarged view of the structure at point B in the middle.

[0032] In the diagram: 1. Main thread; 2. First limiting ring; 3. Main nut; 4. Guide plate; 5. Positioning snap-fit ​​opening; 6. Baffle; 7. Snap-fit ​​sleeve; 8. Positioning insert; 9. First threaded rod; 10. Fixing block; 11. First nut; 12. Second limiting ring; 13. Return spring; 14. Cylindrical guide rod; 15. Limiting installation opening. Detailed Implementation

[0033] The following detailed, non-limiting description of the present invention, in conjunction with preferred embodiments and accompanying drawings, is provided. Obviously, the described embodiments are merely some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0034] Please see Figure 1-6 The present invention provides a technical solution: a bolt connection pair with axial positioning, including a main thread 1, a first limiting ring 2 that is fitted on the outer ring surface of the main thread 1, a main nut 3 that is installed on the outer ring surface of the main thread 1, a positioning rod 8 that is welded to the side surface of the main thread 1, and a cylindrical guide rod 14 that is inserted into the inner ring surface of the positioning rod 8.

[0035] In this embodiment, a positioning snap-fit ​​opening 5 is provided on the side surface of the positioning rod 8, and the positioning snap-fit ​​opening 5 and the guide plate 4 are matched in size. The positioning snap-fit ​​opening 5, which is matched in size with the guide plate 4, can facilitate the user to use the guide plate 4 for limiting snap-fit. A return spring 13 is fixedly connected to the inner ring surface of the guide plate 4, and the return spring 13 is connected to the positioning rod 8. The return spring 13, which is connected to the positioning rod 8, can facilitate the user to connect the guide plate 4 and the positioning rod 8.

[0036] like Figure 1-6 As shown, based on Embodiment 1, this utility model provides a technical solution: preferably, a guide plate 4 is fixedly connected to the side surface of the cylindrical guide rod 14, a second limiting ring 12 is limited and sleeved on the outer ring surface of the main thread 1, a positioning insert 8 is fixedly connected to the outer ring surface of the main thread 1, and a snap-fit ​​sleeve 7 is fixedly connected to the side surface of the positioning insert 8.

[0037] In this embodiment, a limiting installation opening 15 is provided on the inner ring surface of the positioning rod 8, and the limiting installation opening 15 and the cylindrical guide rod 14 are matched in size. The limiting installation opening 15, which is matched in size with the cylindrical guide rod 14, can facilitate the user to limit the use of the cylindrical guide rod 14.

[0038] like Figure 1-6As shown, based on Embodiment 1, this utility model provides a technical solution: preferably, a fixing block 10 is fixedly connected to the side surface of the snap-fit ​​sleeve 7, and a first nut 11 is limited and snap-fitted to the side surface of the fixing block 10.

[0039] In this embodiment, a first threaded rod 9 is inserted into the inner ring surface of the first nut 11, and the first threaded rod 9 is connected between the first nut 11 and the snap-fit ​​sleeve 7. The first threaded rod 9, connected between the first nut 11 and the snap-fit ​​sleeve 7, facilitates a stable connection between the first threaded rod 9 and the snap-fit ​​sleeve 7. The first nut 11 is connected to the snap-fit ​​sleeve 7 via a fixing block 10, which is symmetrically arranged about the vertical center line of the first nut 11. The fixing block 10, symmetrically arranged about the vertical center line of the first nut 11, facilitates a connection between the first nut 11 and the snap-fit ​​sleeve 7. A baffle 6 is inserted into the side surface of the snap-fit ​​sleeve 7, and the baffle 6 is connected between the snap-fit ​​sleeve 7 and the positioning rod 8. The baffle 6, connected between the snap-fit ​​sleeve 7 and the positioning rod 8, facilitates a stable connection between the baffle 6 and the user. The guide plate 4 is connected to the positioning rod 8 via a cylindrical guide rod 14. There are multiple cylindrical guide rods 14, which facilitates the user to limit the use of the guide plate 4.

[0040] like Figure 1-6 As shown, when the user needs to perform axial positioning, the user needs to insert the main thread 1. When inserting the main thread 1, the guide plate 4 will move on the positioning rod 8. Through the set return spring 13, the user can use the limit support of the guide plate 4. In this way, the user can insert the positioning rod 8 into the required installation position at the center. Then, after the user turns the main nut 3, the user can efficiently position the bolt connection pair. Through the set first thread rod 9, after the user turns the first thread rod 9, the user can adjust it on the first nut 11. After the user pushes the first thread rod 9 back and forth, the user can push and support the second limit ring 12. In this way, the user can adjust the overall length of the main thread 1.

[0041] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0042] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A bolted connection pair with axial positioning, comprising a main thread (1), characterized in that: The outer ring surface of the main thread (1) is fitted with a first limiting ring (2), the outer ring surface of the main thread (1) is fitted with a main nut (3), the side surface of the main thread (1) is welded with a positioning rod (8), the inner ring surface of the positioning rod (8) is fitted with a cylindrical guide rod (14), the side surface of the cylindrical guide rod (14) is fixedly connected with a guide plate (4), the outer ring surface of the main thread (1) is fitted with a second limiting ring (12), the outer ring surface of the main thread (1) is fixedly connected with a positioning rod (8), the side surface of the positioning rod (8) is fixedly connected with a snap-fit ​​sleeve plate (7), the side surface of the snap-fit ​​sleeve plate (7) is fixedly connected with a fixing block (10), and the side surface of the fixing block (10) is fitted with a first nut (11).

2. A bolted connection pair with axial positioning according to claim 1, characterized in that: The side surface of the positioning rod (8) is provided with a positioning snap-fit ​​opening (5), and the positioning snap-fit ​​opening (5) and the guide plate (4) are matched in size.

3. A bolted connection pair with axial positioning according to claim 1, characterized in that: A reset spring (13) is fixedly connected to the inner ring surface of the guide plate (4), and the reset spring (13) is connected to the positioning rod (8).

4. A bolted connection pair with axial positioning according to claim 1, characterized in that: The inner ring surface of the positioning rod (8) has a limiting installation opening (15), and the limiting installation opening (15) and the cylindrical guide rod (14) are matched in size.

5. A bolted connection pair with axial positioning according to claim 1, characterized in that: The inner ring surface of the first nut (11) is fitted with a first threaded rod (9), and the first threaded rod (9) is connected between the first nut (11) and the snap-fit ​​sleeve (7).

6. A bolted connection pair with axial positioning according to claim 1, characterized in that: The first nut (11) is connected to the fixing block (10) and the snap-fit ​​sleeve (7), and the fixing block (10) is symmetrically arranged with the vertical center line of the first nut (11) as the axis of symmetry.

7. A bolted connection pair with axial positioning according to claim 1, characterized in that: The side surface of the snap-fit ​​sleeve (7) is fitted with a baffle (6), and the baffle (6) is connected between the snap-fit ​​sleeve (7) and the positioning rod (8).

8. A bolted connection pair with axial positioning according to claim 1, characterized in that: The guide plate (4) is connected to the positioning rod (8) via a cylindrical guide rod (14), and there are multiple cylindrical guide rods (14).

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