Telescopic connecting structure for expansion tube door

Abstract

The utility model provides a telescopic connecting structure for a pipe expansion door, and belongs to the technical field of pipe expanders. Comprising an expansion tube door assembly, the expansion tube door assembly comprises an expansion tube door rear door plate, an expansion tube door telescopic connecting assembly is arranged on the rear surface of the expansion tube door rear door plate, the expansion tube door telescopic connecting assembly comprises two adjusting optical shafts, a door plate mounting plate and a connecting plate, and the two adjusting optical shafts are vertically fixed to the rear surface of the expansion tube door rear door plate; the two sides of the door plate mounting plate are sleeved with the two adjusting optical shafts in a sliding mode respectively, the door plate mounting plate can move in the axial direction of the adjusting optical shafts to adjust the position, and locking and limiting structures for limiting the adjusted position of the door plate mounting plate are arranged on the adjusting optical shafts and located on the two sides of the door plate mounting plate. A connecting plate used for being connected with a rack is arranged on the rear surface of the door plate mounting plate. When the expansion tube door needs to be adjusted, the locking and limiting structure is loosened, the expansion tube door can move front and back to be adjusted, and the expansion tube door is locked after the position is adjusted, so that the expansion tube door is flexible to adjust and convenient to operate.

Description

Technical Field

[0001] The utility model belongs to the technical field of tube expanders, and in particular relates to a telescopic connection structure for a tube expansion door. Background Art

[0002] The expansion machine is widely used in factory production. Among them, the expansion door is a necessary component of the expansion machine. The existing expansion door installation structure is: a connecting frame is fixedly set at the rear of the expansion door rear door plate, and the expansion door is directly fixedly connected to the frame through the connecting frame. The problem with this common expansion door installation structure is that the expansion door connecting frame cannot be adjusted, and the expansion door cannot be moved and adjusted to the front and rear positions. When replacing the product, it is necessary to add a pad at the back, which is not flexible to use and easily causes the pad to be lost, making it very inconvenient to use. Therefore, it is necessary to propose improvements. Utility Model Content

[0003] The technical problem solved by the utility model is to provide a telescopic connection structure for an expansion tube door. The utility model aims to solve the problem that the installation structure of the existing expansion tube door is inconvenient to adjust, resulting in inflexible adjustment and installation when replacing the product and easy loss of parts.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A telescopic connection structure for an expansion door, comprising an expansion door assembly, the expansion door assembly comprising a rear door plate of the expansion door, a telescopic connection assembly for the expansion door being provided on the rear surface of the rear door plate of the expansion door, the telescopic connection assembly for the expansion door comprising two adjusting optical axes, a door plate mounting plate and a connecting plate, the two adjusting optical axes being vertically fixed on the rear surface of the rear door plate of the expansion door, the two sides of the door plate mounting plate being slidably fitted together with the two adjusting optical axes respectively and being axially movable along the adjusting optical axes for position adjustment, a locking and limiting structure for limiting the position of the adjusted door plate mounting plate being provided on the adjusting optical axis and on both sides of the door plate mounting plate, a connecting plate for connecting to a frame being provided on the rear surface of the door plate mounting plate.

[0006] To further define the above scheme, the two adjustment optical axes are arranged on the rear surface of the rear door plate of the expansion door symmetrically with the center of the rear door plate of the expansion door, and the front end of each adjustment optical axis is fixedly connected to the rear door plate of the expansion door through a rear door plate connecting plate and an optical axis fixing seat, the rear door plate connecting plate is fixed at a corresponding position on the rear surface of the rear door plate of the expansion door, the optical axis fixing seat is fixed on the rear door plate connecting plate, and the front end of the adjustment optical axis is fixed on the optical axis fixing seat.

[0007] As a further limitation of the above scheme, bearing holes are formed on both sides of the door panel mounting plate and linear bearings are installed in the bearing holes, and the door panel mounting plate is slidably sleeved on the adjustment optical axis through the linear bearings.

[0008] A further limitation of the above scheme is that two connecting plates are provided and are vertically fixedly connected on the rear surface of the door panel mounting plate, and the two connecting plates are symmetrical to each other in the middle of the door panel mounting plate. An optical axis connecting seat is provided on the outer side of each connecting plate, and the hole in the optical axis connecting seat is slidably fitted with the adjustment optical axis on the corresponding side.

[0009] To further define the above scheme, the locking and limiting structure on the adjusting optical axis for the door panel mounting plate includes a locking nut and a locking ring, the rear end surface of the adjusting optical axis is provided with an external thread, the locking nut is screwed into the external thread and is placed at the rear of the door panel mounting plate, the locking ring is sleeved on the adjusting optical axis and is placed at the front of the door panel mounting plate, and the locking ring is fixed to the adjusting optical axis by tightening screws.

[0010] To further define the above scheme, the expansion door assembly includes a rear door panel and a front door panel, and door panel connecting side panels are fixedly connected on both sides of the rear door panel of the expansion door. One side of the front door panel of the expansion door is hinged to the door panel connecting side panel on one side of the rear door panel of the expansion door through a hinge, and the other side of the front door panel of the expansion door is connected to the door panel connecting side panel on the other side of the rear door panel of the expansion door through an expansion door lock.

[0011] The advantages of this utility model compared with the prior art:

[0012] The present invention is to design a retractable expansion door connection mechanism for the installation of the expansion door. When the expansion door needs to be adjusted when replacing the product, the expansion door can be moved forward and backward for adjustment by loosening the locking nut and the locking ring. After the position is adjusted, the locking nut and the locking ring are locked, so that the expansion door can be adjusted flexibly and operated conveniently, thereby solving the problem that the existing expansion door installation structure cannot be adjusted, which easily leads to inconvenient and flexible adjustment and installation when replacing the product, and easy loss of parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A structural front view of a telescopic connection structure for a tube expansion door provided by the utility model;

[0014] Figure 2 A left side view of the structure of the telescopic connection structure for the expansion tube door provided by the utility model;

[0015] Figure 3 A top view of the structure of the telescopic connection structure for the expansion tube door provided by the utility model;

[0016] Figure 4 The telescopic connection structure for the expansion tube door provided by the utility model is a three-dimensional Figure 1 ;

[0017] Figure 5The telescopic connection structure for the expansion tube door provided by the utility model is a three-dimensional Figure 2 . DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] It should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "includes a ..." does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0020] See also Figure 1-5 , describe the embodiments of the present utility model in detail.

[0021] Embodiment: A telescopic connection structure for an expansion door, comprising an expansion door assembly 1, wherein the expansion door assembly 1 comprises an expansion door rear door plate 2, and is characterized in that: a telescopic connection assembly for the expansion door is provided on the rear surface of the expansion door rear door plate 2, wherein the expansion door telescopic connection assembly comprises two adjustment optical axes 6, a door plate mounting plate 7 and a connecting plate 8, wherein the two adjustment optical axes 6 are vertically fixed on the rear surface of the expansion door rear door plate 2, wherein the two sides of the door plate mounting plate 7 are respectively slidably fitted with the two adjustment optical axes 6 and can be axially moved along the adjustment optical axes 6 for position adjustment, wherein a locking and limiting structure for limiting the position of the adjusted door plate mounting plate 7 is provided on the adjustment optical axis 6 and on both sides of the door plate mounting plate 7, wherein a connecting plate 8 for connecting to a frame is provided on the rear surface of the door plate mounting plate 7.

[0022] In this embodiment, when the expansion door needs to be adjusted when replacing a product, the expansion door and the adjustment optical axis can be moved axially forward and backward for adjustment by loosening the locking limit structure. After the position is adjusted, the locking limit structure is locked, so that the expansion door can be adjusted flexibly and operated conveniently, thereby solving the problem that the existing expansion door installation structure cannot be adjusted, which easily leads to inconvenient and flexible adjustment and installation when replacing products and easy loss of parts.

[0023] In a specific embodiment: the two adjusting optical axes 6 are arranged on the rear surface of the expansion door rear door plate 2 so as to be symmetrical with respect to the center of the expansion door rear door plate 2, and the front end of each adjusting optical axis 6 is fixedly connected to the expansion door rear door plate 2 through a rear door plate connecting plate 9 and an optical axis fixing seat 10, and the rear door plate connecting plate 9 is fixed to the corresponding position on the rear surface of the expansion door rear door plate 2 by bolt connection or welding, and the optical axis fixing seat 10 is fixed to the rear door plate connecting plate 9 by bolts or the like, and the front end of the adjusting optical axis 6 is fixed to the optical axis fixing seat 10 by screws or the like.

[0024] Through the above structure, a reliable and firm connection between the adjustment optical axis and the rear side of the expansion tube door is achieved.

[0025] In a specific implementation manner: bearing holes are formed on both sides of the door panel mounting plate 7 and linear bearings 11 are installed in the bearing holes. The door panel mounting plate 7 is slidably sleeved on the adjustment optical axis 6 through the linear bearings 11.

[0026] Through the above structure, the adjustment optical axis connected to the expansion tube door can move forward and backward along its axis through the support of the linear bearing, thereby ensuring smooth movement.

[0027] In a specific embodiment: two connecting plates 8 are provided and are vertically fixedly connected on the rear surface of the door panel mounting plate 7, and the two connecting plates 8 are symmetrical to each other in the middle of the door panel mounting plate 7. An optical axis connecting seat 12 is provided on the outer side of each connecting plate 8, and the hole in the optical axis connecting seat 12 is slidably fitted with the adjustment optical axis 6 on the corresponding side.

[0028] Through the above structure, an optical axis connecting seat that slides with the adjustable optical axis is also provided on the side of the connecting plate 8. By fitting the optical axis connecting seat with the adjustable optical axis, and fitting the door panel mounting plate with the adjustable optical axis, two places are connected with the adjustable optical axis, thereby improving the stability of the connection structure and the connection rigidity.

[0029] In a specific embodiment: the locking and limiting structure on the adjusting optical axis 6 for the door panel mounting plate 7 includes a locking nut 13 and a locking ring 14, and the rear end surface of the adjusting optical axis 6 is provided with an external thread, the locking nut 13 is screwed with the external thread and is placed at the rear of the door panel mounting plate 7, the locking ring 14 is sleeved on the adjusting optical axis 6 and is placed at the front of the door panel mounting plate 7, and the locking ring 14 is fixed to the adjusting optical axis 6 by tightening screws.

[0030] With the above structure, after the front and rear positions of the expansion door are adjusted, the lock nut 13 and the lock ring 14 can be used to limit the position of the expansion door to prevent free movement during operation and affect the working accuracy. When the position of the expansion door needs to be adjusted when replacing the product, the lock nut 13 and the lock ring 14 can be loosened to adjust the position, making the adjustment convenient and flexible, and the operation simple.

[0031] In a specific embodiment: the expansion door assembly 1 includes an expansion door rear door panel 2 and an expansion door front door panel 4, and door panel connecting side panels 3 are fixedly connected to both sides of the expansion door rear door panel 2, and one side of the expansion door front door panel 4 is hinged to the door panel connecting side panel 3 on one side of the expansion door rear door panel 2 through a hinge, and the other side of the expansion door front door panel 4 is connected to the door panel connecting side panel 3 on the other side of the expansion door rear door panel 2 through an expansion door lock 5.

[0032] The structure of the expansion door is a common structure and will not be described in detail in this solution.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0034] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A telescopic connection structure for a tube expansion door, comprising a tube expansion door assembly (1), wherein the tube expansion door assembly (1) comprises a tube expansion door rear door plate (2), characterized in that: A telescopic connection assembly for the expansion door is provided on the rear surface of the rear door plate (2) of the expansion door, and the telescopic connection assembly for the expansion door comprises two adjustment optical axes (6), a door plate mounting plate (7) and a connecting plate (8). The two adjustment optical axes (6) are vertically fixed on the rear surface of the rear door plate (2) of the expansion door, and the two sides of the door plate mounting plate (7) are respectively slidably fitted with the two adjustment optical axes (6) and can be axially moved along the adjustment optical axes (6) to adjust the position. A locking and limiting structure for limiting the position of the adjusted door plate mounting plate (7) is provided on the adjustment optical axis (6) and on both sides of the door plate mounting plate (7). A connecting plate (8) for connecting to a frame is provided on the rear surface of the door plate mounting plate (7).

2. The telescopic connection structure for the expansion door according to claim 1, characterized in that: The two adjusting optical axes (6) are arranged on the rear surface of the expansion door rear door plate (2) symmetrically with respect to the center of the expansion door rear door plate (2); the front end of each adjusting optical axis (6) is fixedly connected to the expansion door rear door plate (2) via a rear door plate connecting plate (9) and an optical axis fixing seat (10); the rear door plate connecting plate (9) is fixed at a corresponding position on the rear surface of the expansion door rear door plate (2); the optical axis fixing seat (10) is fixed on the rear door plate connecting plate (9); and the front end of the adjusting optical axis (6) is fixed on the optical axis fixing seat (10).

3. The telescopic connection structure for the expansion door according to claim 1, characterized in that: The door panel mounting plate (7) is provided with bearing holes on both sides and linear bearings (11) are installed in the bearing holes. The door panel mounting plate (7) is slidably sleeved on the adjustment optical axis (6) via the linear bearings (11).

4. The telescopic connection structure for the expansion door according to claim 1, characterized in that: The connecting plates (8) are provided with two and are vertically fixedly connected on the rear surface of the door panel mounting plate (7). The two connecting plates (8) are symmetrical with each other in the middle of the door panel mounting plate (7). An optical axis connecting seat (12) is provided on the outer side of each connecting plate (8). A hole in the optical axis connecting seat (12) is slidably fitted with the adjusting optical axis (6) on the corresponding side.

5. The telescopic connection structure for the expansion door according to claim 1, characterized in that: The locking and limiting structure on the adjusting optical axis (6) for locking the door panel mounting plate (7) comprises a locking nut (13) and a locking ring (14); an external thread is formed on the rear end surface of the adjusting optical axis (6); the locking nut (13) is screwed with the external thread and is placed at the rear of the door panel mounting plate (7); the locking ring (14) is sleeved on the adjusting optical axis (6) and is placed at the front of the door panel mounting plate (7); the locking ring (14) is fixed to the adjusting optical axis (6) by means of a tightening screw.

6. The telescopic connection structure for the expansion door according to claim 1, characterized in that: The expansion door assembly (1) comprises an expansion door rear door panel (2) and an expansion door front door panel (4), the expansion door rear door panel (2) being fixedly connected with door panel connecting side panels (3) on both sides, one side of the expansion door front door panel (4) being hinged to the door panel connecting side panel (3) on one side of the expansion door rear door panel (2) through a hinge, and the other side of the expansion door front door panel (4) being connected to the door panel connecting side panel (3) on the other side of the expansion door rear door panel (2) through an expansion door lock (5).

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