Overpressure alarm mechanism

Abstract

The utility model discloses an overpressure alarm mechanism, and relates to the technical field of overpressure alarm mechanisms. The warning device comprises a warning machine body, fixing columns are fixedly connected to the four corners of the rear face of the warning machine body, a motor cavity is formed in the warning machine body, an annular cavity is formed in the rear side of the inner wall of the motor cavity, and moving cavities are formed in the front faces of the multiple fixing columns and the rear face of the warning machine body jointly. By arranging a driving and transmission structure, a fixing structure and the like, the use effect that equipment is convenient to install is guaranteed, the problem that when a traditional overpressure alarm mechanism is installed, a user needs to install the equipment on a wall through a tool and an installation bolt is solved, and the equipment is convenient to install and maintain. The installation steps are simplified, the workload when a user installs the equipment is reduced, the installation difficulty when the user installs the equipment is reduced, the comfort degree of the equipment in the installation process is improved, and the use effect of the equipment is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of overpressure alarm mechanisms, in particular to an overpressure alarm mechanism. Background Art

[0002] The overpressure alarm mechanism is also called a pressure alarm. It is composed of a pressure sensor, an alarm and other structures. It can sense the pressure signal and convert the pressure signal into a usable output electrical signal according to a certain rule. When the pressure value exceeds the predetermined range, the device will alarm, which can prevent or prevent the pressure from exceeding the predetermined range and causing unnecessary consequences.

[0003] Overpressure alarm has a wide range of applications and is a commonly used device in industrial practice. It is widely used in various industrial automatic control environments, involving many industries such as water conservancy and hydropower, railway transportation, and intelligent buildings. It is an indispensable device in people's lives. However, when installing the traditional overpressure alarm mechanism, the user needs to use tools and mounting bolts to install the device on the wall. The installation steps are cumbersome and require the use of tools, which increases the workload of the user when installing the equipment, increases the difficulty of installation when the user installs the equipment, reduces the comfort level of the equipment during the installation process, and greatly reduces the use effect of the equipment. Utility Model Content

[0004] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0005] An overpressure alarm mechanism comprises an alarm body, wherein the four corners of the rear side of the alarm body are fixedly connected with fixing columns, a motor cavity is opened inside the alarm body, an annular cavity is opened on the rear side of the inner wall of the motor cavity, a movable cavity is opened in front of a plurality of the fixing columns and the rear side of the alarm body, a driving motor is fixedly connected to the front side of the inner wall of the motor cavity, and a transmission structure with a variable covering range is arranged on the front side of the inner wall of the annular cavity.

[0006] Furthermore, the transmission structure includes a belt, the front of which is rotatably connected to the front side of the inner wall of the annular cavity, and pulleys are meshed and connected on the left and right sides of the upper and lower sides of the inner wall of the belt, and the inner walls of multiple pulleys are fixedly connected to threaded rods, and the rear sides of the rod walls of multiple threaded rods are threadedly connected to threaded sleeves, and fixed structures with variable covering ranges are provided on the upper and lower sides behind the multiple threaded sleeves.

[0007] Furthermore, the fixing structure includes a fixing block, the front of which is fixedly connected to one side of the rear of the threaded sleeve, a sliding groove is provided at the rear of the fixing block, the inner wall of the sliding groove is slidably connected to the sliding block, the rear of the sliding block is rotatably connected to a fixing rod, and sliding openings matching the fixing rod are provided at the rear of the upper and lower sides of the inner walls of the plurality of movable cavities. By setting a driving and transmission structure, a fixing structure, etc., the easy installation of the equipment is ensured, and the problem that the user needs to use tools and mounting bolts to install the equipment on the wall during installation of the traditional overpressure alarm mechanism is avoided, the installation steps are simplified, the workload of the user when installing the equipment is reduced, the installation difficulty of the user when installing the equipment is reduced, the comfort level of the equipment during installation is improved, and the use effect of the equipment is greatly improved.

[0008] Furthermore, the output end of the drive motor passes through the rear side of the inner wall of the motor cavity and extends to the left side above the front side of the inner wall of the annular cavity. The output end of the drive motor is fixedly connected to the front of the pulley above the left side. The rear ends of the multiple threaded rods pass through the rear sides of the corresponding inner walls of the annular cavity and extend to the front side of the inner wall of the movable cavity.

[0009] Furthermore, an annular sliding groove is formed around the inner wall of the annular cavity, and the inner wall of the annular sliding groove is slidably connected to the surface of the belt through one side of the slider.

[0010] Furthermore, rectangular sliding grooves are provided on both upper and lower sides of the inner walls of the plurality of movable cavities, and the inner walls of two corresponding rectangular sliding grooves are slidably connected to the surface of the corresponding threaded sleeve through one side of the slider.

[0011] Furthermore, an alarm light is provided on the top surface of the alarm body, and a switch is provided on the right side of the front of the alarm body.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. The utility model ensures the basic structure of the device being fixed by providing a combination structure such as an alarm body and a fixed column, ensures the driving and transmission effect of the device by providing a combination structure such as a motor, a belt, and a pulley, and ensures the effect of easy installation of the device by providing a combination structure such as a threaded rod, a threaded sleeve, a fixed block, a sliding block, and a fixed rod. The device ensures the use effect of easy installation of the device by providing a driving and transmission structure, a fixed structure, etc., avoids the problem that the traditional overpressure alarm mechanism requires the user to use tools and mounting bolts to install the device on the wall during installation, simplifies the installation steps, reduces the workload of the user when installing the device, reduces the installation difficulty of the user when installing the device, improves the comfort level of the device during installation, and greatly improves the use effect of the device.

[0014] 2. The utility model can better connect the internal structures of the equipment by setting the penetration effect between the drive motor and the motor cavity and the annular cavity, the fixing effect between the drive motor and the pulley, the penetration effect between the threaded rod and the annular cavity and the moving cavity, etc., to prevent the internal structure of the equipment from being damaged due to unstable connection, thereby ensuring the stability and safety of the equipment during use.

[0015] 3. The utility model sets an annular slide groove and uses a matching slider to limit the belt to prevent the belt from shifting during use, thereby ensuring the stability of the equipment during use. It sets a rectangular slide groove and uses a matching slider to limit the threaded sleeve to prevent the threaded sleeve from rotating during use, thereby ensuring the stable operation of the equipment. By setting an alarm light and a switch, the basic use function of the equipment is guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a partial cross-sectional view of the entire left side of the utility model;

[0017] Figure 2 This utility model Figure 1 Enlarged view of part A in the middle;

[0018] Figure 3 It is a cross-sectional view of the fixing block of the utility model;

[0019] Figure 4 It is an overall stereogram of the utility model;

[0020] Figure 5 It is a three-dimensional diagram of the belt of the utility model.

[0021] Figure numerals: 1. alarm body; 2. fixed column; 3. motor cavity; 4. annular cavity; 5. movable cavity; 6. driving motor; 7. belt; 8. pulley; 9. threaded rod; 10. threaded sleeve; 11. fixed block; 12. sliding groove; 13. sliding block; 14. fixed rod; 15. sliding mouth; 16. annular groove; 17. rectangular groove; 18. alarm light; 19. switch. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiments of the present utility model clearer, the technical solution in the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the present utility model.

[0023] The device's "front, back, left, right" viewing angles are Figure 1 The directions in the attached drawings are taken as reference.

[0024] like Figure 1-5As shown, an overpressure alarm mechanism includes an alarm body 1, fixed columns 2 are fixedly connected at the four corners of the rear of the alarm body 1, a motor cavity 3 is opened inside the alarm body 1, an annular cavity 4 is opened on the rear side of the inner wall of the motor cavity 3, a moving cavity 5 is opened in front of the plurality of fixed columns 2 and the rear of the alarm body 1, a driving motor 6 is fixedly connected to the front side of the inner wall of the motor cavity 3, a transmission structure with a variable covering range is arranged on the front side of the inner wall of the annular cavity 4, and the transmission structure includes a belt 7, the front side of the belt 7 is rotatably connected to the front side of the inner wall of the annular cavity 4, and the upper and lower sides of the inner wall of the belt 7 The left and right sides of the belt 7 are meshed and connected with pulleys 8. The combined structure of the belt 7 and the plurality of pulleys 8 meshed and connected makes it possible to drive the belt 7 to rotate when one of the pulleys 8 rotates, thereby driving the remaining pulleys 8 to rotate together, ensuring the effect of one driving power and multiple power outputs of the equipment. The inner walls of the plurality of pulleys 8 are fixedly connected with threaded rods 9, and the rear sides of the rod walls of the plurality of threaded rods 9 are threadedly connected with threaded sleeves 10. The threaded sleeves 10 are cylinders with a threaded groove on one side. The threaded groove matches the thread of the threaded rod 9 and can be rotated by the threaded rod 9. The movement of the threaded sleeve 10 is ensured, and the movement effect of the internal structure of the equipment is ensured. The upper and lower sides of the rear of the plurality of threaded sleeves 10 are provided with a fixed structure with a variable covering range. The fixed structure includes a fixed block 11. The front of the fixed block 11 is fixedly connected to one side of the rear of the threaded sleeve 10. A sliding groove 12 is provided at the rear of the fixed block 11. The inner wall of the sliding groove 12 is slidably connected with a sliding block 13. The sliding groove 12 and the sliding block 13 are a group of combined structures, which is a device that can guide the moving device of the fixed rod 14 and reduce its friction. The rear of the sliding block 13 is rotatably connected with the fixed rod 14. The rear of the upper and lower sides of the inner wall of the plurality of moving chambers 5 are provided with sliding openings 15 matching the fixed rod 14. By setting the driving and transmission structure, the fixed structure, etc., the use effect of the equipment being easy to install is ensured, and the problem that the user needs to use tools and mounting bolts to install the equipment on the wall when installing the traditional overpressure alarm mechanism is avoided. The installation steps are simplified, the workload of the user when installing the equipment is reduced, the installation difficulty of the user when installing the equipment is reduced, the comfort of the equipment during the installation process is improved, and the use effect of the equipment is greatly improved.

[0025] like Figure 2-3 As shown, in some embodiments, the output end of the drive motor 6 passes through the rear side of the inner wall of the motor cavity 3 and extends to the left side above the front side of the inner wall of the annular cavity 4. The output end of the drive motor 6 is fixedly connected to the front of the pulley 8 on the upper left side. The rear ends of the multiple threaded rods 9 all pass through the rear sides of the corresponding inner walls of the annular cavity 4 and extend to the front sides of the inner walls of the movable cavity 5, respectively. This can better connect the internal structure of the device, prevent the internal structure of the device from being damaged due to unstable connection, and ensure the stability and safety of the device during use.

[0026] like Figure 1-4As shown, in some embodiments, an annular groove 16 is provided around the inner wall of the annular cavity 4, and the inner wall of the annular groove 16 is slidably connected to the surface of the belt 7 through one side of the slider. By setting the annular groove 16, the belt 7 is limited by a matching slider to prevent the belt 7 from shifting during use, thereby ensuring the stability of the equipment during use. Rectangular grooves 17 are provided on the upper and lower sides of the inner walls of the multiple movable cavities 5, and the inner walls of the two corresponding rectangular grooves 17 are slidably connected to the surface of the corresponding threaded sleeve 10 through one side of the slider. By setting the rectangular groove 17, the threaded sleeve 10 is limited by a matching slider to prevent the threaded sleeve 10 from rotating during use, thereby ensuring the stable operation of the equipment. An alarm light 18 is provided on the top surface of the alarm body 1, and a switch 19 is provided on the right side of the front of the alarm body 1. By setting the alarm light 18 and the switch 19, the basic use function of the equipment is guaranteed.

[0027] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An overpressure alarm mechanism, comprising an alarm body (1), characterized in that: The four corners of the rear of the alarm body (1) are fixedly connected to fixed columns (2), the interior of the alarm body (1) is provided with a motor cavity (3), the rear side of the inner wall of the motor cavity (3) is provided with an annular cavity (4), the front of the plurality of fixed columns (2) and the rear of the alarm body (1) are provided with a movable cavity (5), the front side of the inner wall of the motor cavity (3) is fixedly connected to a driving motor (6), and the front side of the inner wall of the annular cavity (4) is provided with a transmission structure with a variable covering range.

2. An overpressure alarm mechanism according to claim 1, characterized in that: The transmission structure comprises a belt (7), the front of the belt (7) being rotatably connected to the front side of the inner wall of the annular cavity (4), the left and right sides of the upper and lower sides of the inner wall of the belt (7) being meshedly connected with pulleys (8), the inner walls of a plurality of pulleys (8) being fixedly connected with threaded rods (9), the rear sides of the rod walls of a plurality of threaded rods (9) being threadedly connected with threaded sleeves (10), and the upper and lower sides of the rear sides of the plurality of threaded sleeves (10) being provided with fixed structures with variable covering ranges.

3. An overpressure alarm mechanism according to claim 2, characterized in that: The fixing structure comprises a fixing block (11), the front of the fixing block (11) is fixedly connected to one side of the rear of the threaded sleeve (10), a sliding groove (12) is provided at the rear of the fixing block (11), a sliding block (13) is slidably connected to the inner wall of the sliding groove (12), a fixing rod (14) is rotatably connected to the rear of the sliding block (13), and sliding openings (15) matching the fixing rod (14) are provided at the rear of the upper and lower sides of the inner walls of the plurality of movable chambers (5).

4. An overpressure alarm mechanism according to claim 3, characterized in that: The output end of the drive motor (6) passes through the rear side of the inner wall of the motor cavity (3) and extends to the left side above the front side of the inner wall of the annular cavity (4). The output end of the drive motor (6) is fixedly connected to the front of the pulley (8) above the left side. The rear ends of the plurality of threaded rods (9) pass through the rear sides of the inner walls of the corresponding annular cavities (4) and extend to the front sides of the inner walls of the moving cavity (5).

5. An overpressure alarm mechanism according to claim 2, characterized in that: An annular sliding groove (16) is provided around the inner wall of the annular cavity (4), and the inner wall of the annular sliding groove (16) is slidably connected to the surface of the belt (7) through one side of the slider.

6. An overpressure alarm mechanism according to claim 2, characterized in that: Rectangular slide grooves (17) are provided on both upper and lower sides of the inner walls of the plurality of movable chambers (5), and the inner walls of two corresponding rectangular slide grooves (17) are slidably connected to the surface of the corresponding threaded sleeve (10) through one side of the slider.

7. An overpressure alarm mechanism according to claim 1, characterized in that: An alarm light (18) is provided on the top surface of the alarm body (1), and a switch (19) is provided on the right side of the front of the alarm body (1).

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