Flame detector lens fixing structure

Abstract

The utility model discloses a flame detector lens fixing structure which comprises a flame detector body, two sliding grooves are formed in the outer surface of the flame detector body, two sliding rods are installed in the two sliding grooves, one ends of the two sliding rods are fixedly connected with a shell, a monitoring opening is formed in the surface of the shell, and the monitoring opening is communicated with the shell. A mounting groove is formed in the inner side wall of the monitoring opening, and a lens is mounted in the mounting groove. According to the utility model, the driving handle, the spring, the positioning column, the fixing block and other structures are arranged, the positioning column can be driven to move under the action of the spring, and the positioning column can be mounted in the positioning port, so that the lens in the shell can be quickly fixed, and the mounting and dismounting processes are more convenient; the problem that threaded connection or bolt connection is inconvenient in the past is solved, time and labor are saved when a user installs the lens in the shell, and practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of flame detectors, in particular to a flame detector lens fixing structure. Background Art

[0002] A flame detector detects when a substance burns, producing smoke and releasing heat, as well as visible or invisible light radiation that is not in the atmosphere.

[0003] In the prior art, a shell with a lens is installed on the outside of the flame detector body. The shell and the flame detector are connected by threads or bolts. The lens in the shell is fixed in front of the monitoring probe of the flame detector. The monitoring probe inside the flame detector can be protected and it is convenient to observe the internal situation. However, the installation process is very inconvenient. Both threaded installation and bolt installation require a long time, which makes it difficult for the user to fix the flame detector lens. In order to solve this problem, a flame detector lens fixing structure is proposed. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the housing and the flame detector are connected by threads or bolts, which is very inconvenient during the installation process.

[0005] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a flame detector lens fixing structure, including a flame detector body, two slide grooves are provided on the outer surface of the flame detector body, two slide bars are installed inside the two slide grooves, one end of the two slide bars is fixedly connected to a shell, a monitoring port is provided on the surface of the shell, an installation slot is provided on the inner side wall of the monitoring port, a lens is installed inside the installation slot, a fixing block is fixedly installed on one side of the slide groove on the outer surface of the flame detector body, and a through opening is provided on the surface of the fixing block;

[0006] The interior of the through-hole is slidably connected with a positioning column, one side of the surface of the positioning column is fixedly connected with a connecting rod, one end of the connecting rod is slidably connected to the outside of the fixed block, the interior of the connecting rod is located outside the fixed block and a connecting shaft is installed through it, the outside of the connecting shaft is rotatably connected with a driving handle, the interior of the through-hole is located outside the connecting rod and a spring is sleeved, and two terminals are fixedly installed on the outer surface of the flame detector body.

[0007] Preferably, positioning holes are opened on the surfaces of the two sliding rods, the inner diameter of the positioning holes matches the outer diameter of the positioning column, and the bottom end of the positioning column is installed inside the positioning hole. By installing the positioning column inside the positioning hole, the outer shell on one side of the sliding rod can be fixed.

[0008] Preferably, the spring is located between the positioning column and the through-hole, and two ends of the spring are fixedly connected to one side of the surface of the positioning column and the inner side wall of the through-hole respectively.

[0009] Preferably, two mounting plates are fixedly connected to the surface of the flame detector body, and mounting holes are provided on the surfaces of the two mounting plates. The flame detector body can be fixed to the wall by bolts using the mounting holes on the mounting plates, which is very convenient.

[0010] Preferably, the outer surfaces of the two slide bars are slidably connected to the inner side walls of the two slide grooves, and the slide bars are used to slide inside the slide grooves, so as to facilitate the installation of the outer shell on one side of the flame detector body.

[0011] Preferably, the bottom end of the driving handle is slidably connected to the top of the fixing block, and the outer surfaces of the driving handle are rounded.

[0012] Preferably, a sealing ring is provided at the connection between the shell and the flame detector body, which can increase the sealing effect of the connection between the shell and the flame detector body.

[0013] The beneficial effects of the utility model are as follows:

[0014] The utility model provides structures such as a driving handle, a spring, a positioning column and a fixing block, and utilizes the action of the spring to drive the positioning column to move, and the positioning column can be installed inside the positioning port, so that the lens inside the shell can be quickly fixed, and the installation and disassembly process is more convenient, which solves the problem of inconvenience of threaded connection or bolt connection in the past, and saves time and effort for users when installing the lens inside the shell, and is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional diagram of a flame detector lens fixing structure of the utility model;

[0016] Figure 2 This is a top view of a flame detector lens fixing structure of the utility model;

[0017] Figure 3 For this utility model Figure 1 A is an enlarged view of the middle image.

[0018] In the figure: 1. monitoring port; 2. housing; 3. slide rod; 4. positioning port; 5. mounting plate; 6. mounting hole; 7. terminal; 8. slide groove; 9. driving handle; 10. lens; 11. flame detector body; 12. fixing block; 13. connecting rod; 14. through port; 15. positioning column; 16. spring; 17. connecting shaft. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0020] See also Figure 1 - Figure 3 A flame detector lens fixing structure includes a flame detector body 11, two slide grooves 8 are provided on the outer surface of the flame detector body 11, two slide bars 3 are installed inside the two slide grooves 8, one end of the two slide bars 3 is fixedly connected to a shell 2, a monitoring port 1 is provided on the surface of the shell 2, a mounting groove is provided on the inner side wall of the monitoring port 1, a lens 10 is installed inside the mounting groove, and the inside of the flame detector body 11 is conveniently observed through the lens 10 at the monitoring port 1, a fixing block 12 is fixedly installed on one side of the slide groove 8 on the outer surface of the flame detector body 11, and a through opening 14 is provided on the surface of the fixing block 12;

[0021] The interior of the through-port 14 is slidably connected with a positioning column 15, and one side of the surface of the positioning column 15 is fixedly connected with a connecting rod 13, one end of the connecting rod 13 penetrates and slides to the outside of the fixed block 12, and the interior of the connecting rod 13 is located outside the fixed block 12 and penetrates and is installed with a connecting shaft 17, and the external sleeve of the connecting shaft 17 is rotatably connected with a driving handle 9, and the driving handle 9 is rotated on the outside of the connecting shaft 17, and the driving handle 9 is pressed against the fixed block 12, so that the connecting rod 13 can be lifted upward, and the interior of the through-port 14 is located outside the connecting rod 13 and is sleeved with a spring 16, and the positioning column 15 can be moved under the action of the spring 16, and the outer surface of the flame detector body 11 is fixedly installed There are two terminal posts 7, which are convenient for wiring through the inside of the terminal posts 7. Two mounting plates 5 are fixedly connected to the surface of the flame detector body 11. Mounting holes 6 are provided on the surfaces of the two mounting plates 5. The flame detector body 11 can be fixed to the wall by bolts using the mounting holes 6 on the mounting plates 5, which is very convenient. The outer surfaces of the two sliding rods 3 are slidably connected to the inner walls of the two sliding grooves 8. The sliding rods 3 are slid inside the sliding grooves 8 to facilitate the installation of the outer shell 2 on one side of the flame detector body 11. A sealing ring is provided at the connection between the outer shell 2 and the flame detector body 11 to increase the sealing effect of the connection between the outer shell 2 and the flame detector body 11.

[0022] like Figure 2 and Figure 3As shown, the spring 16 is located between the positioning column 15 and the through-hole 14, and the two ends of the spring 16 are fixedly connected to one side of the surface of the positioning column 15 and the inner wall of the through-hole 14 respectively. The bottom end of the driving handle 9 is slidably connected to the top of the fixed block 12. The outer surfaces of the driving handle 9 are rounded. Positioning holes 4 are opened on the surfaces of the two sliding rods 3. The inner diameter of the positioning hole 4 matches the outer diameter of the positioning column 15. The bottom end of the positioning column 15 is installed inside the positioning hole 4. By installing the positioning column 15 inside the positioning hole 4, the outer shell 2 on one side of the sliding rod 3 can be fixed.

[0023] When the utility model is in use, the flame detector body 11 can be fixed to the wall by bolts through the mounting holes 6 on the mounting plate 5. When the lens 10 is installed inside the shell 2 and fixedly installed on one side of the flame detector body 11, the slide bar 3 is slid inside the slide groove 8 to move the shell 2. At the same time, the driving handle 9 is rotated and the outside of the connecting shaft 17 is rotated to pull the connecting rod 13, and the positioning column 15 squeezes the spring 16 on one side. After the slide bar 3 is pushed to a suitable position, the driving handle 9 is released. Under the action of the spring 16, the positioning column 15 can be installed to the inside of the positioning port 4, and the shell 2 on one side of the slide bar 3 can be fixed after installation, which solves the problem of inconvenience of threaded connection or bolt connection in the past, saves time and effort for the user when installing the lens 10 inside the shell 2, and is more practical.

[0024] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A flame detector lens fixing structure, comprising a flame detector body (11), characterized in that: Two slide grooves (8) are provided on the outer surface of the flame detector body (11), two slide bars (3) are installed inside the two slide grooves (8), one end of the two slide bars (3) is fixedly connected to the outer shell (2), a monitoring port (1) is provided on the surface of the outer shell (2), an installation groove is provided on the inner side wall of the monitoring port (1), a lens (10) is installed inside the installation groove, a fixing block (12) is fixedly installed on one side of the slide groove (8) on the outer surface of the flame detector body (11), and a through opening (14) is provided on the surface of the fixing block (12); The interior of the through opening (14) is slidably connected to a positioning column (15), one side of the surface of the positioning column (15) is fixedly connected to a connecting rod (13), one end of the connecting rod (13) penetrates and slides to the outside of a fixed block (12), a connecting shaft (17) is installed inside the connecting rod (13) and is located outside the fixed block (12), a driving handle (9) is rotatably sleeved on the outside of the connecting shaft (17), a spring (16) is sleeved on the inside of the through opening (14) and is located outside the connecting rod (13), and two terminal posts (7) are fixedly installed on the outer surface of the flame detector body (11).

2. A flame detector lens fixing structure according to claim 1, characterized in that: A positioning opening (4) is provided on the surface of the two sliding rods (3), the inner diameter of the positioning opening (4) matches the outer diameter of the positioning column (15), and the bottom end of the positioning column (15) is installed inside the positioning opening (4).

3. The flame detector lens fixing structure according to claim 1, characterized in that: The spring (16) is located between the positioning column (15) and the through-hole (14), and two ends of the spring (16) are fixedly connected to one side of the surface of the positioning column (15) and the inner side wall of the through-hole (14) respectively.

4. The flame detector lens fixing structure according to claim 1, characterized in that: Two mounting plates (5) are fixedly connected to the surface of the flame detector body (11), and mounting holes (6) are provided on the surfaces of the two mounting plates (5).

5. The flame detector lens fixing structure according to claim 1, characterized in that: The outer surfaces of the two sliding rods (3) are slidably connected to the inner side walls of the two sliding grooves (8).

6. The flame detector lens fixing structure according to claim 1, characterized in that: The bottom end of the driving handle (9) is slidably connected to the top of the fixing block (12), and the outer surface of the driving handle (9) is rounded.

7. The flame detector lens fixing structure according to claim 1, characterized in that: A sealing ring is provided at the connection between the shell (2) and the flame detector body (11).

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