Explosion-proof zirconia oxygen content analyzer

Abstract

The utility model relates to the technical field of oxygen content analyzers, in particular to an explosion-proof zirconium oxide oxygen content analyzer which comprises a protection tube, a radiator is arranged at the top end of the protection tube, an analyzer is arranged at the top end of the radiator, a standard gas input tube is arranged on the analyzer, a cable socket is arranged on the analyzer, and a gas outlet is formed in the cable socket. A cable socket is arranged on the analyzer, a plug is detachably inserted into an inner cavity of the cable socket, a wire harness is fixedly connected to the plug and is used for providing a power supply, a rack is arranged on the analyzer, a sliding assembly is arranged in an inner cavity of the rack, and two moving rods are arranged on the sliding assembly. The explosion-proof zirconia oxygen content analyzer solves the problems that in the actual use process of a zirconia oxygen content analyzer in the prior art, a cable is inserted into a power connection cable socket of the analyzer through a plug, and the plug is kept inserted into an inner cavity of the cable socket by means of friction force between the outer wall of the plug and the inner wall of the cable socket, so that the stability is poor; and the problem of falling off after being pulled is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oxygen content analyzer technical field, concretely is a kind of explosion-proof zirconium oxide oxygen content analyzer. BACKGROUND

[0002] Zirconium oxide oxygen content analyzer is a kind of high-precision gas analysis instrument based on zirconium oxide (ZrO2) ceramic sensor, mainly used for real-time measurement of oxygen concentration (O2%) in industrial flue gas, tail gas or mixed gas. Its core function is to convert oxygen content into electrical signal output by electrochemical principle, to provide data support for combustion optimization, safety monitoring and process control.

[0003] But the zirconium oxide oxygen content analyzer of prior art is in the actual use process, cable is inserted in the power cable insertion port of analyzer by plug, and the plug is kept inserted in the inner cavity of cable insertion port by the friction between the outer wall of plug and the inner wall of cable insertion port, the stability is poor, and it will fall off after being pulled, to solve this problem, an explosion-proof zirconium oxide oxygen content analyzer is provided. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of explosion-proof zirconium oxide oxygen content analyzer, to solve the problems presented in the above background art. To achieve the above object, the utility model provides the following technical scheme: an explosion-proof zirconium oxide oxygen content analyzer, including protection pipe, the top of the protection pipe is provided with radiator, the top of the radiator is provided with analyzer, the analyzer is provided with standard gas input pipe, the analyzer is provided with cable insertion port, the inner cavity of the cable insertion port is detachably inserted with plug, the plug is fixedly connected with wire harness for providing power supply, the analyzer is provided with rack, the inner cavity of the rack is provided with sliding assembly, the sliding assembly is provided with two moving rods, the end of the two moving rods away from sliding assembly is provided with connecting plate, the rear end of the two connecting plates is provided with elastic component, the rear side of the two elastic components is provided with push plate, the plug is fixedly sleeved with fixed plate.

[0005] Preferably, the radiator is provided with a plurality of heat dissipation fins.

[0006] Preferably, the elastic component includes telescopic cylinder, telescopic rod, connecting groove, connecting block and spring, the telescopic cylinder is arranged at the front end of push plate, the telescopic rod is slidably inserted in the inner cavity of telescopic cylinder and fixedly connected with connecting plate, the spring is sleeved outside the telescopic rod and telescopic cylinder, the connecting groove is opened in the inner wall of telescopic cylinder, and the connecting block is slidably embedded in the inner cavity of connecting groove and fixedly connected with the outer wall of telescopic rod.

[0007] Preferably, the inner cavity of the connecting groove and the outer wall of the connecting block are matched and both are dovetail-shaped.

[0008] Preferably, the sliding assembly comprises a lead screw, a knob, two sliding blocks and a limiting assembly, one end of the lead screw is rotatably connected to the left side of the inner cavity of the frame through a bearing, the other end of the lead screw extends to the right end of the frame and is fixedly connected with the knob, the two sliding blocks are respectively screwed on the left and right sides of the outer wall of the lead screw, the limiting assembly is arranged on the rear side of the inner cavity of the frame and is fixedly connected with the two sliding blocks, and the two are respectively fixedly connected with two moving rods.

[0009] Preferably, the threads on the left and right sides of the outer wall of the lead screw are oppositely arranged.

[0010] Preferably, the limiting assembly comprises a limiting groove and two limiting blocks, the limiting groove is arranged on the rear side of the inner cavity of the frame, the two limiting blocks are slidably embedded in the inner cavity of the limiting groove and are respectively fixedly connected with the two sliding blocks, and the inner cavity of the limiting groove and the outer wall of the limiting block are matched and are both in the shape of a "T".

[0011] Compared with the prior art, the utility model has the advantages of:

[0012] 1, after the plug is inserted into the inner cavity of the cable socket, the two moving rods and the two connecting plates are simultaneously slid to the middle part of the frame by the sliding assembly, so that the two push plates are slid to the front end of the fixed plate, and under the elastic force of the spring, the push plate is always subjected to a backward force, so that the plug is stably inserted into the inner cavity of the cable socket, thereby achieving the purpose of fixing the plug, preventing the plug from being separated from the inner cavity of the cable socket after the wiring harness is pulled, and solving the problem that the zirconia oxygen analyzer of the prior art is inserted into the power cable socket of the analyzer through the plug, and the plug is kept inserted into the inner cavity of the cable socket by the friction force between the outer wall of the plug and the inner wall of the cable socket, so that the stability is poor and the plug will fall off after being pulled. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0014] Figure 2 It is a structure schematic view of the sliding assembly of the utility model;

[0015] Figure 3 It is a three-dimensional structure schematic view of the utility model Figure 2 ; It is an enlarged view of A;

[0016] Figure 4 It is a structure schematic view of the spring of the utility model;

[0017] Figure 5 It is a front view of the utility model telescopic cylinder.

[0018] In the figure: 1, the protection tube; 2, the radiator; 3, the analyzer; 4, the standard gas input pipe; 5, the cable socket; 6, the plug; 7, the fixed plate; 8, the wire harness; 9, the rack; 10, the moving rod; 11, the connecting plate; 12, the push plate; 13, the telescopic cylinder; 14, the telescopic rod; 15, the connecting groove; 16, the connecting block; 17, the spring; 18, the screw rod; 19, the knob; 20, the sliding block; 21, the limiting groove; 22, the limiting block. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in the art without creative labor belong to the scope of protection of the utility model.

[0020] Please refer to Figures 1 to 5 The utility model provides a kind of technical scheme: a kind of explosion-proof zirconium oxide oxygen content analyzer, including protection tube 1, the top of protection tube 1 is provided with radiator 2, the top of radiator 2 is provided with analyzer 3, standard gas input pipe 4 is arranged on analyzer 3, cable socket 5 is arranged on analyzer 3, the inner cavity of cable socket 5 is detachably inserted with plug 6, plug 6 is fixedly connected with wire harness 8 for providing power supply, rack 9 is arranged on analyzer 3, the inner cavity of rack 9 is provided with sliding assembly, two moving rods 10 are arranged on sliding assembly, the end of two moving rods 10 away from sliding assembly is provided with connecting plate 11, the rear end of two connecting plates 11 is provided with elastic component, the rear side of two elastic components is provided with push plate 12, after plug 6 is inserted into the inner cavity of cable socket 5, two moving rods 10 and two connecting plates 11 are simultaneously slid to the middle part of rack 9 by sliding assembly, then make two push plates 12 slide to the front end of fixed plate 7, under the elastic force of spring 17, push plate 12 can always be subjected to a rearward force, so that plug 6 is stably inserted in the inner cavity of cable socket 5, then the purpose of fixing plug 6 is realized, prevent wire harness 8 from being pulled and plug 6 separates from the inner cavity of cable socket 5, solve the problem that the zirconium oxide oxygen content analyzer 3 of prior art is inserted in the power cable socket 5 of analyzer 3 by plug 6 in actual use, plug 6 is kept inserted in the inner cavity of cable socket 5 by the friction force between the outer wall of plug 6 and the inner wall of cable socket 5, and the stability is poor, and it will fall off after being pulled, plug 6 is fixedly sleeved with fixed plate 7.

[0021] In the embodiment, the radiator 2 is provided with a plurality of cooling fins, which can expand the contact area between the radiator 2 and the air, thereby improving the heat dissipation efficiency.

[0022] In the embodiment, the elastic assembly comprises a telescopic cylinder 13, a telescopic rod 14, a connecting groove 15, a connecting block 16 and a spring 17. The telescopic cylinder 13 is arranged at the front end of the push plate 12. The telescopic rod 14 is slidably inserted into the inner cavity of the telescopic cylinder 13 and fixedly connected with the connecting plate 11. The spring 17 is sleeved outside the telescopic rod 14 and the telescopic cylinder 13. The connecting groove 15 is arranged on the inner wall of the telescopic cylinder 13. The connecting block 16 is slidably embedded in the inner cavity of the connecting groove 15 and fixedly connected with the outer wall of the telescopic rod 14. After the push plate 12 contacts the fixed plate 7, the spring 17 is pressed by the push plate 12 and the connecting plate 11, so that the spring 17 is elastically deformed correspondingly, and a corresponding elastic force is generated. Under the action of the elastic force of the spring 17, the push plate 12 is always subjected to a backward force, so that the plug 6 is stably inserted into the inner cavity of the cable socket 5. Under the joint action of the telescopic rod 14 and the telescopic cylinder 13, the push plate 12 always slides linearly forward and backward, so that the position of the push plate 12 is stable.

[0023] In the embodiment, the inner cavity of the connecting groove 15 and the outer wall of the connecting block 16 are matched and dovetail-shaped, so that one end of the connecting block 16 is always embedded in the inner cavity of the connecting groove 15, and the stability of the connecting assembly during use is improved.

[0024] In the embodiment, the sliding assembly comprises a lead screw 18, a knob 19, sliding blocks 20 and a limiting assembly. One end of the lead screw 18 is rotatably connected to the inner cavity left side of the rack 9 through a bearing. The other end of the lead screw 18 extends to the right end of the rack 9 and is fixedly connected with the knob 19. Two sliding blocks 20 are respectively screwed on the outer wall left and right sides of the lead screw 18. The limiting assembly is arranged at the inner cavity rear side of the rack 9 and fixedly connected with the two sliding blocks 20. Two moving rods 10 are respectively fixedly connected with the two sliding blocks 20. Rotating the knob 19 makes the knob 19 rotate instead of the lead screw 18, so that the threads on the left and right sides of the outer wall of the lead screw 18 generate relative thread rotation force. Under the limiting action of the limiting grooves 21 and the limiting blocks 22, the two sliding blocks 20 simultaneously slide relative to each other, so that the two moving rods 10 and the two connecting plates 11 simultaneously slide to the middle part of the rack 9, and then the two push plates 12 slide to the front end of the fixed plate 7 to fix the push plates 12.

[0025] In the embodiment, the threads on the left and right sides of the outer wall of the lead screw 18 are oppositely arranged, so that when the lead screw 18 rotates, the threads on the left and right sides of the outer wall of the lead screw 18 generate relative thread rotation force, and under the limiting action of the limiting grooves 21 and the limiting blocks 22, the two sliding blocks 20 simultaneously slide relative to each other.

[0026] In the embodiment, the limiting assembly comprises a limiting groove 21 and limiting blocks 22, the limiting groove 21 is arranged on the rear side of the inner cavity of the rack 9, the two limiting blocks 22 are slidably embedded in the inner cavity of the limiting groove 21 and are fixedly connected with the two sliding blocks 20 respectively, under the joint action of the limiting groove 21 and the limiting blocks 22, the sliding block 20 can be prevented from rotating with the lead screw 18 when the lead screw 18 rotates, the stability of the sliding assembly during use is improved, the inner cavity of the limiting groove 21 and the outer wall of the limiting block 22 are matched and are both in the shape of "T", the one end of the limiting block 22 can always be embedded in the inner cavity of the limiting groove 21, the stability of the limiting assembly during use is improved.

[0027] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by the skilled in the art that the present application is not limited by the above embodiments, the above embodiments and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An explosion-proof zirconia oxygen analyzer, comprising a protective tube (1), characterized in that: The top of the protective tube (1) is provided with a heat sink (2), the top of the heat sink (2) is provided with an analyzer (3), the analyzer (3) is provided with a standard gas input tube (4), the analyzer (3) is provided with a cable socket (5), the inner cavity of the cable socket (5) is detachably connected with a plug (6), the plug (6) is fixedly connected with a wire harness (8) for providing power, the analyzer (3) is provided with a frame (9), the inner cavity of the frame (9) is provided with a sliding assembly, the sliding assembly is provided with two moving rods (10), the end of each of the two moving rods (10) away from the sliding assembly is provided with a connecting plate (11), the rear end of each of the two connecting plates (11) is provided with an elastic assembly, the rear side of each of the two elastic assemblies is provided with a push plate (12), and the plug (6) is fixedly sleeved with a fixing plate (7).

2. The explosion-proof zirconia oxygen analyzer according to claim 1, characterized in that: The radiator (2) is provided with several heat dissipation fins.

3. The explosion-proof zirconia oxygen analyzer according to claim 1, characterized in that: The elastic component includes a telescopic cylinder (13), a telescopic rod (14), a connecting groove (15), a connecting block (16), and a spring (17). The telescopic cylinder (13) is located at the front end of the push plate (12). The telescopic rod (14) is slidably inserted into the inner cavity of the telescopic cylinder (13) and fixedly connected to the connecting plate (11). The spring (17) is sleeved on the outside of the telescopic rod (14) and the telescopic cylinder (13). The connecting groove (15) is opened on the inner wall of the telescopic cylinder (13). The connecting block (16) is slidably embedded in the inner cavity of the connecting groove (15) and fixedly connected to the outer wall of the telescopic rod (14).

4. The explosion-proof zirconia oxygen analyzer according to claim 3, characterized in that: The inner cavity of the connecting groove (15) fits well with the outer wall of the connecting block (16) and both are dovetail-shaped.

5. The explosion-proof zirconia oxygen analyzer according to claim 1, characterized in that: The sliding assembly includes a lead screw (18), a knob (19), a slider (20), and a limiting assembly. One end of the lead screw (18) is rotatably connected to the left side of the inner cavity of the frame (9) via a bearing. The other end of the lead screw (18) extends to the right end of the frame (9) and is fixedly connected to the knob (19). The two sliders (20) are respectively screwed to the left and right sides of the outer wall of the lead screw (18). The limiting assembly is located on the rear side of the inner cavity of the frame (9) and is fixedly connected to the two sliders (20). The two sliders are respectively fixedly connected to the two moving rods (10).

6. The explosion-proof zirconia oxygen analyzer according to claim 5, characterized in that: The threads on the left and right sides of the outer wall of the lead screw (18) are arranged opposite to each other.

7. The explosion-proof zirconia oxygen analyzer according to claim 5, characterized in that: The limiting component includes a limiting groove (21) and a limiting block (22). The limiting groove (21) is opened on the rear side of the inner cavity of the frame (9). The two limiting blocks (22) are slidably embedded in the inner cavity of the limiting groove (21) and are fixedly connected to the two sliders (20) respectively. The inner cavity of the limiting groove (21) and the outer wall of the limiting block (22) are adapted to each other and are both in the shape of "T".

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