A quick-fixing and disassembly structure for the discharge port of a loss-in-weight scale

Abstract

This utility model discloses a quick-fixing and disassembly structure for the discharge port of a loss-in-weight scale, including a discharge end connected to a discharge pipe via the quick-fixing and disassembly structure. The discharge pipe end has a discharge port flange that mates with the discharge end. The discharge end is formed on an end base plate, and the discharge port flange is fitted onto the end base plate. The quick-fixing and disassembly structure includes a fastening bolt and a pressure block structure. The fastening bolt passes through the pressure block structure and is fixed to the end base plate. The pressure block structure has a pressing and fixing side that presses against the surface of the discharge port flange. When the fastening bolt is loosened, the pressure block structure rotates around the fastening bolt, causing the pressing and fixing side to rotate out of the discharge port flange surface and unlock. Fixing the discharge port flange is achieved by driving the pressure block structure with the fastening bolt. Disassembly does not require complete removal of the bolt; only partial loosening is needed, preventing bolt loss and simplifying operation. A second spring is installed in the stepped hole of the pressure block structure, which automatically springs up when the fastening bolt is loosened, improving ease of use and user experience.

Description

Technical Field

[0001] This utility model relates to the field of loss-in-weight scale technology, specifically to a quick-fix and disassembly structure for the discharge port of a loss-in-weight scale. Background Technology

[0002] In modern industrial production, loss-in-weight scales, as high-precision material metering and conveying devices, are widely used in industries such as chemical, food, and building materials. Due to maintenance, repairs, or process changes, the screw of the loss-in-weight scale is frequently disassembled, making the discharge port a part that requires frequent disassembly. To ensure the convenience and efficiency of disassembly and installation, the connection point of the discharge port must meet the requirements for rapid disassembly.

[0003] Currently, the connection of the discharge port of loss-in-weight scales in the industry mainly adopts the traditional bolt connection method. Among them, ordinary hexagonal head bolts are widely used due to their simple structure. However, under the condition of frequent disassembly, the bolts must be removed and properly stored after each disassembly, which makes the bolts easy to lose, affecting the normal assembly and use of the equipment. Another option is to use non-removable hexagonal bolts. Although non-removable hexagonal bolts solve the problem of bolt loss, their structural design requires a certain amount of clearance for removal, which undoubtedly increases the thickness of the discharge port flange connection, resulting in a larger overall structural size and increased cost. In addition, since the bolts are hidden inside the flange, operators cannot observe the installation position of the bolts in real time, which can easily lead to improper installation, thereby affecting the sealing performance and connection stability of the discharge port, and even causing safety problems such as material leakage. The disassembly and assembly of non-removable nuts is difficult, and several non-removable nuts need to be disassembled and assembled alternately during the disassembly and assembly process. Otherwise, it will increase the disassembly and assembly speed and the installation quality. Therefore, there is an urgent need to develop a new type of connection structure for the discharge port of loss-in-weight scales to overcome the shortcomings of existing technologies and meet the actual needs of industrial production for rapid disassembly and safe and reliable connection. Utility Model Content

[0004] The purpose of this utility model is to overcome the defects in the existing technology and provide a quick-fix and disassembly structure for the discharge port of a loss-in-weight scale.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows:

[0006] A quick-release structure for the discharge port of a loss-in-weight scale includes a discharge end connected to a discharge pipe via the quick-release structure. The discharge pipe has a discharge port flange at its end that mates with the discharge end. The discharge end is formed on an end base plate, and the discharge port flange is fitted onto the end base plate. The quick-release structure includes a fastening bolt and a pressure block structure. The fastening bolt passes through the pressure block structure and is fixed to the end base plate. The pressure block structure has a pressing and fixing side that presses against the surface of the discharge port flange. When the fastening bolt is loosened, the pressure block structure rotates around the fastening bolt, causing the pressing and fixing side to rotate out of the discharge port flange surface and unlock.

[0007] Furthermore, the quick-fixing and disassembly structures are distributed circumferentially around the discharge end, and at least two of them are provided.

[0008] Furthermore, each quick-release structure is also provided with a positioning structure, which restricts the pressure block structure from rotating around the fastening bolt.

[0009] Furthermore, the positioning structure includes a positioning pin, and the pressure block structure is provided with a positioning hole that cooperates with the positioning pin. The positioning pin is inserted into the positioning hole, so that the positioning pin and the fastening bolt together form a two-point limit on the pressure block structure.

[0010] Furthermore, the positioning pin includes a pin shaft and a pin bolt, which are screwed and fixed to the end plate from both sides of the end plate, respectively.

[0011] Furthermore, the positioning pin is a pull-in immersion structure with an axial groove on the end plate. The pin shaft is axially slidably connected in the axial groove. A first spring is provided between the pin shaft and the bottom of the axial groove. The bottom of the axial groove has a groove bottom hole for the pin bolt to pass through. The pin bolt passes through the groove bottom hole and is screwed to one end of the pin shaft. The first spring is wound around the pin bolt.

[0012] Furthermore, the positioning structure includes a positioning groove with a side opening formed on the surface of the end substrate, the shape of which matches the shape of the pressing and fixing side of the pressure block structure.

[0013] Furthermore, the pressure block structure includes a rotating column and a finger tip. The finger tip is disposed on one side of the rotating column and is perpendicular to its axis. The rotating column is provided with a through hole for a fastening bolt to pass through. A stepped hole is connected to one end of the through hole near the end plate. A second spring is provided in the stepped hole, and the fastening bolt passes through the second spring.

[0014] The advantages and beneficial effects of this utility model are as follows:

[0015] 1. Quick fixing and convenient disassembly: The discharge port flange is fixed by the pressure block structure driven by the fastening bolts. When disassembling, there is no need to completely remove the bolts, only loosen part of them, which not only prevents the bolts from being lost, but also simplifies the operation process.

[0016] 2. Automatic pop-up design: A second spring is installed in the stepped hole of the pressure block structure. When the fastening bolt is loosened, the pressure block structure can be automatically popped up, improving the convenience of use and the operating experience.

[0017] 3. Flexible adjustment and stable fixation: The quick-fix and disassembly structure can be increased or decreased in number around the discharge end as needed to enhance the fixation and meet the requirements of different working conditions.

[0018] 4. High-efficiency positioning and limiting: The positioning structure is diversified, and the two-point limiting avoids the displacement of the fingertips of the pressure block structure; the design of pull-in immersion positioning pins and positioning grooves reduces the amount of loosening of fastening bolts and improves disassembly and installation efficiency. Attached Figure Description

[0019] Figure 1 This is one of the isometric views of a quick-fixing and disassembly structure for the discharge port of a loss-in-weight scale according to this utility model;

[0020] Figure 2 This utility model Figure 1 Exploded view;

[0021] Figure 3 This is a schematic diagram of the horizontal cross-section of the discharge port of the loss-in-weight scale of this utility model;

[0022] Figure 4 This utility model Figure 3 Enlarged view of the center circle;

[0023] Figure 5 This is the second isometric view of a quick-fixing and disassembly structure for the discharge port of a loss-in-weight scale according to this utility model;

[0024] In the diagram: 1. Discharge end; 2. Discharge pipe; 3. Discharge port flange; 4. End plate; 5. Fastening bolt; 6. Pressure block structure; 7. Pressing and fixing side; 8. Positioning hole; 9. Pin shaft; 10. Pin bolt; 11. Axial groove; 12. First spring; 13. Groove bottom hole; 14. Positioning groove; 15. Rotating column; 16. Finger tip; 17. Through hole; 18. Stepped hole; 19. Second spring. Detailed Implementation

[0025] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings and examples. The following examples are only used to more clearly illustrate the technical solution of this utility model and should not be construed as limiting the scope of protection of this utility model.

[0026] A quick-release and fixing structure for the discharge port of a loss-in-weight scale, such as... Figure 1-5As shown, it includes a discharge end 1, which is equipped with a single screw or a double screw. In this embodiment, it is mainly used when the discharge port flange 3 cannot rotate when there is a double screw. The discharge end 1 is connected to the discharge pipe 2 through a quick-fix and disassembly structure. Specifically, the end of the discharge pipe 2 is provided with a discharge port flange 3 that cooperates with the discharge end 1. The discharge port flange 3 is sleeved on the discharge pipe 2 and can slide laterally. The discharge end 1 is formed on the end base plate 4, and the discharge port flange 3 is fitted and installed on the end base plate 4. The quick-fix and disassembly structure includes a fastening bolt 5 and a pressure block structure 6. The fastening bolt 5 passes through the pressure block structure 6 and is fixed on the end base plate 4. The pressure block structure 6 has a pressing and fixing side 7 that presses against the surface of the discharge port flange 3. When the fastening bolt 5 is loosened, the pressure block structure 6 rotates around the fastening bolt 5 to make the pressing and fixing side 7 rotate out of the surface of the discharge port flange 3 to unlock it. In this embodiment, the clamping block structure 6 is pressed towards the discharge port flange 3 by the fastening bolts 5, thereby forming a fixed structure. When disassembly is required, some of the fastening bolts 5 can be loosened without completely removing them, thus avoiding the loss of bolts.

[0027] Furthermore, the pressing block structure 6 includes a rotating column portion 15 and a fingertip 16, as shown below. Figure 4 As shown, the finger tip 16 is located on one side of the rotating column 15 and perpendicular to its axis; the rotating column 15 has a through hole 17 for the fastening bolt 5 to pass through, and a stepped hole 18 is connected to one end of the through hole 17 near the end plate 4. A second spring 19 is provided in the stepped hole 18, and the fastening bolt 5 passes through the second spring 19. The fastening bolt 5 is screwed onto the end plate 4 through the through hole 17 and the stepped hole 18. The second spring 19 provided in the stepped hole 18 can automatically spring up the pressure block structure 6 when the fastening bolt 5 is loosened, resulting in a better performance.

[0028] In actual use, the quick-fixing and disassembly structure is distributed circumferentially around the discharge end. In this embodiment, two structures are shown, but more can be added as needed to improve the fixation strength.

[0029] As one embodiment, each quick-release structure also includes a corresponding positioning structure, which restricts the rotation of the pressure block structure 6 around the fastening bolt 5. Specifically, the positioning structure includes a positioning pin, and the pressure block structure 6 has a positioning hole 8 that mates with the positioning pin. The positioning pin is inserted into the positioning hole 8, so that the positioning pin and the fastening bolt 5 together form a two-point limiting position on the pressure block structure 6. When a two-point fixation is formed, the movement of the fingertip 16 of the pressure block structure 6 can be avoided, improving the fixing effect.

[0030] Specifically, the positioning pin includes a pin shaft 9 and a pin bolt 10, which are respectively screwed and fixed to the end plate 4 from both sides. Figure 2 , 3As shown, in this embodiment, the positioning structure has a fixed pin shaft 9, which is fixed by the pin bolt 10 on the other side of the end plate 4. In this embodiment, when in use, the fastening bolt 5 needs to be loosened a lot, so that the positioning hole 8 on the discharge port flange 3 is separated from the pin shaft 9, and then the disassembly operation is performed.

[0031] Furthermore, as another embodiment of the positioning structure, in the aforementioned embodiment where the positioning pin is fixed, it is necessary to loosen a number of fastening bolts 5 before disassembly. As an improvement, in this embodiment, the positioning pin is a pull-and-immersion structure, such as... Figure 4 As shown, an axial groove 11 is provided on the end plate 4. The axial groove 11 is a groove provided inside the end plate 4, which provides space and limit for the sliding of the pin shaft 9, and facilitates the installation of a spring inside it. Specifically, the pin shaft 9 is axially slidably connected in the axial groove 11. A first spring 12 is provided between the pin shaft 9 and the bottom of the axial groove 11. The bottom of the axial groove 11 is provided with a groove bottom hole 13 for the pin bolt 10 to pass through. The pin bolt 10 passes through the groove bottom hole 13 and is screwed to one end of the pin shaft 9. The first spring 12 is wound around the pin bolt 10. In use, the pin shaft 9 is screwed to the pin bolt 10 in the same way as in the previous embodiment. The difference is that, under the action of the first spring 12, the pin shaft 9 is pushed into the positioning hole 8. If disassembly is required, only the fastening bolt 5 needs to be loosened slightly so that the pressure block structure 6 can rotate. Then, the pin bolt 10 is pulled, which compresses the first spring 12, causing the pin shaft 9 to retract and move, and then enter the positioning hole 8, thereby unlocking the positioning hole 8. In this embodiment, due to the fewer rotations of the fastening bolt 5, the efficiency of disassembly and installation can be improved.

[0032] In another embodiment, the positioning structure includes a positioning groove 14 with a side opening formed on the surface of the end substrate 4, the shape of which matches the shape of the pressing and fixing side 7 of the pressure block structure 6. Figure 5 As shown, the positioning structure in this embodiment does not use positioning pins, but rather positioning grooves 14. Furthermore, the fingertip 16 does not need to be provided with positioning holes 8. When fixing, simply rotate the fingertip 16 into the positioning groove 14 and tighten the fastening bolts 5.

[0033] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A quick fixing and dismounting structure of a loss-in-weight scale outlet, characterized in that, The device includes a discharge end (1), which is connected to a discharge pipe (2) via a quick-release structure. The discharge pipe (2) has a discharge port flange (3) that mates with the discharge end (1). The discharge end (1) is formed on an end base plate (4), and the discharge port flange (3) is fitted onto the end base plate (4). The quick-release structure includes a fastening bolt (5) and a pressure block structure (6). The fastening bolt (5) passes through the pressure block structure (6) and is fixed on the end base plate (4). The pressure block structure (6) has a pressing and fixing side (7) that presses against the surface of the discharge port flange (3). When the fastening bolt (5) is loosened, the pressure block structure (6) rotates around the fastening bolt (5) to allow the pressing and fixing side (7) to rotate out of the surface of the discharge port flange (3) and unlock.

2. The quick fixing and dismounting structure of the discharge port of the loss-in-weight scale according to claim 1, characterized in that, The quick-fixing and disassembly structures are distributed circumferentially around the discharge end (1), and at least two of them are provided.

3. The quick-fixing and disassembly structure for the discharge port of a loss-in-weight scale according to claim 2, characterized in that, Each quick-release structure is also provided with a positioning structure, which restricts the pressure block structure (6) from rotating around the fastening bolt (5).

4. The quick-fixing and disassembly structure for the discharge port of a loss-in-weight scale according to claim 3, characterized in that, The positioning structure includes a positioning pin, and the pressure block structure (6) is provided with a positioning hole (8) that cooperates with the positioning pin. The positioning pin is inserted into the positioning hole (8) so that the positioning pin and the fastening bolt (5) together form a two-point limit on the pressure block structure (6).

5. The quick-fixing and disassembly structure for the discharge port of a loss-in-weight scale according to claim 4, characterized in that, The positioning pin includes a pin shaft (9) and a pin bolt (10), and the pin shaft (9) and the pin bolt (10) are respectively screwed and fixed on the end plate (4) from both sides.

6. The quick-fixing and disassembly structure for the discharge port of a loss-in-weight scale according to claim 4, characterized in that, The positioning pin is a pull-in immersion structure. An axial groove (11) is provided on the end plate (4). The pin shaft (9) is axially slidably connected in the axial groove (11). A first spring (12) is provided between the pin shaft (9) and the bottom of the axial groove (11). The bottom of the axial groove (11) is provided with a groove bottom hole (13) for the pin bolt (10) to pass through. The pin bolt (10) passes through the groove bottom hole (13) and is screwed to one end of the pin shaft (9). The first spring (12) is wound around the pin bolt (10).

7. The quick-fixing and disassembly structure for the discharge port of a loss-in-weight scale according to claim 3, characterized in that, The positioning structure includes a positioning groove (14) with a side opening formed on the surface of the end plate (4), the shape of which matches the shape of the pressing and fixing side (7) of the pressure block structure (6).

8. The quick-fixing and disassembly structure for the discharge port of a loss-in-weight scale according to claim 1, characterized in that, The pressure block structure (6) includes a rotating column (15) and a finger tip (16). The finger tip (16) is located on one side of the rotating column (15) and perpendicular to its axis. The rotating column (15) is provided with a through hole (17) through which the fastening bolt (5) passes. A stepped hole (18) is connected to one end of the through hole (17) near the end plate (4). A second spring (19) is provided in the stepped hole (18), and the fastening bolt (5) passes through the second spring (19).

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