Analyzer peristaltic pump clamp spring

Abstract

The utility model provides an analyzer peristaltic pump clamp spring which comprises a clamp spring body, a first inner side extending piece, a second inner side extending piece, a first supporting tension spring and a second supporting tension spring, and the first inner side extending piece and the second inner side extending piece are connected to the two opposite surfaces of the inner side of the clamp spring body respectively. One end of the first supporting tension spring is slidably connected with the first inner side extending piece, and the other end extends to the opposite side and is connected with the clamp spring body. One end of the second supporting tension spring is slidably connected with the second inner side extending piece, and the other end extends to the opposite side and is connected with the clamp spring body. By arranging the first supporting tension spring and the second supporting tension spring, the auxiliary elastic supporting effect on the two sides in the clamping spring body can be achieved, and the probability that the clamping spring deforms due to the fact that the elastic force of the clamping spring in an original peristaltic pump is small, and in the extrusion and rotation process, a shaft winding tug is stressed for a long time to act on the front clamping spring and the rear clamping spring is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of peristaltic pump retaining springs, in particular to a retaining spring for a peristaltic pump of an analyzer. Background Art

[0002] The peristaltic pump is a device in the back-end link of the flue gas analyzer pretreatment. Its function is to discharge the condensate in the flue gas measurement pipeline in time. The process is that the condensate is continuously rolled by the shaft tugboat supported by the front and rear two retaining springs, squeezing the peristaltic pump tube to realize the discharge of condensate in the pump tube.

[0003] Because the original peristaltic pump's retaining spring has low spring force, the tug puller's extended force exerts pressure on the front and rear retaining springs during the extrusion and rotation process, causing the retaining spring to deform, causing the tug puller and the tug puller's short shaft to rotate simultaneously and beginning to wear the retaining spring's retaining ring. Once the retaining ring is worn off, air can backflow into the flue gas analyzer's measurement chamber, increasing oxygen levels and exceeding the nitrogen oxide conversion limit. If condensate is not promptly discharged, it can be carried into the back-end filter or into the measurement chamber, damaging the analyzer and affecting measurement accuracy. Utility Model Content

[0004] The purpose of the utility model is to provide a retaining spring for a peristaltic pump of an analyzer, so as to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] The utility model discloses a retaining spring for a peristaltic pump of an analyzer, comprising a retaining spring body, a first inner extension piece, a second inner extension piece, a first supporting tension spring and a second supporting tension spring, wherein the first inner extension piece and the second inner extension piece are respectively connected to two opposite surfaces of the inner side of the retaining spring body, one end of the first supporting tension spring is slidably connected to the first inner extension piece, and the other end extends to the opposite side and is connected to the retaining spring body; one end of the second supporting tension spring is slidably connected to the second inner extension piece, and the other end extends to the opposite side and is connected to the retaining spring body.

[0007] It is further defined that a second guide slot is provided on the first inner extension piece, a second guide slider is slidably connected in the second guide slot, and the first support tension spring is slidably connected to the first inner extension piece through the second guide slider; a first guide slot is provided on the second inner extension piece, a first guide slider is slidably connected in the first guide slot, and the second support tension spring is slidably connected to the second inner extension piece through the first guide slider.

[0008] It is further defined that both ends of the first support tension spring and both ends of the second support tension spring are connected to a hinged support, the first support tension spring is hinged to the second guide slider through the hinged support, and the first support tension spring is connected to the retaining spring body through the hinged support; the second support tension spring is hinged to the first guide slider through the hinged support, and the second support tension spring is connected to the retaining spring body through the hinged support.

[0009] It is further defined that the outer sides of the upper surfaces at both ends of the clamping spring body are connected with fixed edge blocks.

[0010] It is further defined that the interior of the fixed edge block is respectively connected with an operating groove and a positioning groove.

[0011] It is further defined that a matching positioning block is provided in the positioning groove.

[0012] It is further defined that a fixing groove is connected in the positioning block.

[0013] It is further defined that one side of the positioning block is connected to an assembly block.

[0014] It is further defined that a pressing block is connected to the operating groove through a spring, and the pressing block extends to the outside of the bottom of the fixed edge block. The expansibility of the spring enables the fixing block to maintain a tightly plugged state with the fixing groove for a long time.

[0015] It is further defined that a fixing block matching the fixing groove is connected to a side of the pressing block close to the positioning block.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] (1) The analyzer peristaltic pump retaining spring can play an auxiliary elastic supporting role on both sides of the retaining spring body by setting the first supporting tension spring and the second supporting tension spring, thereby improving the problem that the retaining spring in the original peristaltic pump has a small elastic force and the axial tug is subjected to force on the front and rear retaining springs for a long time during the extrusion and rotation process, thereby solving the technical problem of retaining spring deformation in the prior art.

[0018] (2) The clamping spring of the peristaltic pump of the analyzer can adjust the plug-in state of the clamping block and the clamping groove by setting and coordinating the pressing block, the spring, the operating groove, the positioning block, the clamping groove and the positioning groove, so as to facilitate the disassembly of the fixed edge block and the assembly block, and facilitate the subsequent disassembly and replacement of the clamping spring bayonet structure, so as to avoid the clamping spring bayonet being worn off, which will cause the air to flow back to the analyzer measurement room, thereby avoiding the increase of oxygen content and the excessive nitrogen oxide conversion value.

[0019] (3) The analyzer peristaltic pump retaining spring of the utility model successfully solves the problem of long spare parts cycle of foreign brand peristaltic pumps by modifying the retaining spring body structure, improves the operating cycle of the peristaltic pump, reduces the operating cost of the peristaltic pump, and can operate safely and stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0021] Figure 2 For this utility model Figure 1 A in the middle is an enlarged structural diagram;

[0022] Figure 3 This is a front view structural diagram of the connection between the clamping spring body and the second supporting tension spring of the utility model;

[0023] Figure 4 This is a front view structural diagram of the connection between the clamping spring body and the first supporting tension spring of the utility model;

[0024] Figure 5 It is a schematic diagram of the top view structure of the utility model.

[0025] In the figure: 1. retaining spring body; 2. first inner extension piece; 3. first supporting tension spring; 4. second inner extension piece; 5. retaining spring bayonet structure; 6. fixed edge block; 7. fixing groove; 8. pressing block; 9. positioning groove; 10. positioning block; 11. fixing block; 12. assembly block; 13. spring; 14. operating groove; 15. hinged support; 16. second supporting tension spring; 17. first guide slot; 18. first guide slider; 19. second guide slot; 20. second guide slider. DETAILED DESCRIPTION

[0026] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0027] The utility model discloses a retaining spring for a peristaltic pump of an analyzer, comprising a retaining spring body 1, a first inner extension piece 2, a second inner extension piece 4, a first supporting tension spring 3 and a second supporting tension spring 16. The first inner extension piece 2 and the second inner extension piece 4 are respectively connected to two opposite surfaces on the inner side of the retaining spring body 1. One end of the first supporting tension spring 3 is slidably connected to the first inner extension piece 2, and the other end extends to the opposite side and is connected to the retaining spring body 1; one end of the second supporting tension spring 16 is slidably connected to the second inner extension piece 4, and the other end extends to the opposite side and is connected to the retaining spring body 1.

[0028] In the present invention, a second guide groove 19 is provided on the first inner extension piece 2, and a second guide slider 20 is slidably connected in the second guide groove 19, and the first support tension spring 3 is slidably connected to the first inner extension piece 2 through the second guide slider 20; a first guide groove 17 is provided on the second inner extension piece 4, and a first guide slider 18 is slidably connected in the first guide groove 17, and the second support tension spring 16 is slidably connected to the second inner extension piece 4 through the first guide slider 18.

[0029] In the present invention, both ends of the first supporting tension spring 3 and both ends of the second supporting tension spring 16 are connected to a hinged support 15. The first supporting tension spring 3 is hinged to the second guide slider 20 through the hinged support 15, and the first supporting tension spring 3 is connected to the retaining spring body 1 through the hinged support 15; the second supporting tension spring 16 is hinged to the first guide slider 18 through the hinged support 15, and the second supporting tension spring 16 is connected to the retaining spring body 1 through the hinged support 15.

[0030] For details, please refer to Figure 1-5 , the utility model provides an embodiment: a peristaltic pump retaining spring of an analyzer, comprising a retaining spring body 1, a first inner extension piece 2, a first supporting tension spring 3 and a second supporting tension spring 16, the surfaces on both sides of the inner side of the retaining spring body 1 are respectively connected to the first inner extension piece 2 and the second inner extension piece 4, the surface of the first inner extension piece 2 is connected to the second guide slot 19, the second guide slot 19 is slidably mounted with a second guide slider 20, the second guide slider 20 is connected to a hinged support 15, the second guide slider 20 is connected to the first supporting tension spring 3 through the hinged support 15, the other end of the first supporting tension spring 3 is connected to the corresponding position of the inner surface of the retaining spring body 1 through the hinged support 15, the surface of the second inner extension piece 4 is connected to the first guide slot 17, A first guide slider 18 is slidably installed on the first guide slot 17, and the first guide slider 18 is also connected to a hinged support 15. The first guide slider 18 is connected to the second support spring 16 through the hinged support 15. The elastic support arrangement of the first support spring 3 and the second support spring 16 cooperates with the limited adaptive activity of the first guide slider 18 sliding along the first guide slot 17 and the second guide slider 20 sliding along the second guide slot 19, so that the set first support spring 3 and the second support spring 16 can play an auxiliary elastic support role on both sides of the retaining spring body 1, improving the small elastic force of the retaining spring in the original peristaltic pump. During the extrusion and rotation process, the shaft tug is subjected to force on the front and rear retaining springs for a long time, solving the technical problem of retaining spring deformation in the prior art.

[0031] See also Figure 3 and Figure 5The other end of the second supporting tension spring 16 is connected to the corresponding position of the inner surface of the clamping spring body 1 through the hinged support 15. Specifically, the hinged supports 15 on the second supporting tension spring 16 are respectively arranged at the opposite ends of the second supporting tension spring 16, one of which is connected to the first guide slider 18, and the other is fixedly connected to the clamping spring body 1 and is arranged opposite to the first guide slider 18; similarly, see Figure 4 and Figure 5 The hinged supports 15 on the first supporting tension spring 3 are respectively arranged at the opposite ends of the first supporting tension spring 3, one of which is connected to the second guide slider 20, and the other is fixedly connected to the retaining spring body 1 and is arranged opposite to the second guide slider 20.

[0032] In the present invention, fixed edge blocks 6 are connected to the outer sides of the upper surfaces of both ends of the retaining spring body 1. An operating slot 14 and a positioning slot 9 are connected to the interior of the fixed edge blocks 6. A matching positioning block 10 is located within the positioning slot 9. The retaining slot 7 is connected to the positioning block 10. An assembly block 12 is connected to one side of the positioning block 10.

[0033] See also Figure 2 , the operating groove 14 is connected to the pressing block 8 through the spring 13. The setting and coordinated use of the pressing block 8, the spring 13, the operating groove 14, the positioning block 10, the fixing groove 7 and the positioning groove 9 can adjust the plug-in state of the fixing block 11 and the fixing groove 7, so as to facilitate the disassembly of the fixed edge block 6 and the assembly block 12, and facilitate the subsequent disassembly and replacement of the retaining spring bayonet structure 5, so as to avoid the retaining spring bayonet structure 5 being worn off, causing the air to flow back to the analyzer measurement room, resulting in an increase in oxygen content and an excessive nitrogen oxide conversion value;

[0034] The pressing block 8 extends to the outside of the bottom of the fixed edge block 6 .

[0035] A clamping block 11 matching the clamping groove 7 is connected to one side of the pressing block 8 close to the positioning block 10. Preferably, the pressing block 8 and the clamping block 11 are integrally formed.

[0036] During use, the embodiment of the present application utilizes the elastic support provided by the first and second support springs 3 and 16, in conjunction with the sliding movement of the first guide slider 18 along the first guide slot 17 and the sliding movement of the second guide slider 20 along the second guide slot 19, to provide auxiliary elastic support for both sides of the inner portion of the retaining spring body 1. This alleviates the problem of retaining spring deformation caused by the relatively weak retaining spring elasticity in the original peristaltic pump, which results from the prolonged force exerted by the axial puller on the front and rear retaining springs during the extrusion and rotation process. The arrangement and coordinated use of the pressing block 8, spring 13, operating slot 14, positioning block 10, retaining slot 7, and positioning slot 9 allow for the adjustable connection between the retaining block 11 and retaining slot 7, facilitating the disassembly of the fixed edge block 6 from the assembly block 12 and the subsequent replacement of the retaining spring bayonet structure 5. This prevents the retaining spring bayonet structure 5 from being worn out, which could cause air to flow back into the analyzer measurement chamber, leading to elevated oxygen content and excessive nitrogen oxide conversion values.

[0037] Obviously, the embodiments described above are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0038] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, tasks, devices, components and / or combinations thereof.

[0039] It should be noted that the terms "first," "second," and the like in the specification and claims of this application and the accompanying drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than that illustrated or described herein.

[0040] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A circlip for a peristaltic pump of an analyzer, characterized in that: The invention comprises a spring body (1), a first inner extension piece (2), a second inner extension piece (4), a first supporting tension spring (3) and a second supporting tension spring (16), wherein the first inner extension piece (2) and the second inner extension piece (4) are respectively connected to two opposite surfaces on the inner side of the spring body (1), one end of the first supporting tension spring (3) is slidably connected to the first inner extension piece (2), and the other end extends to the opposite side and is connected to the spring body (1); one end of the second supporting tension spring (16) is slidably connected to the second inner extension piece (4), and the other end extends to the opposite side and is connected to the spring body (1).

2. The peristaltic pump retaining spring for an analyzer according to claim 1, characterized in that: The first inner extension piece (2) is provided with a second guide slot (19), a second guide slider (20) is slidably connected in the second guide slot (19), and the first support tension spring (3) is slidably connected to the first inner extension piece (2) through the second guide slider (20); the second inner extension piece (4) is provided with a first guide slot (17), a first guide slider (18) is slidably connected in the first guide slot (17), and the second support tension spring (16) is slidably connected to the second inner extension piece (4) through the first guide slider (18).

3. The peristaltic pump retaining spring for an analyzer according to claim 2, characterized in that: Both ends of the first supporting tension spring (3) and the second supporting tension spring (16) are connected to an articulated support (15); the first supporting tension spring (3) is articulated to the second guide slider (20) through the articulated support (15); the first supporting tension spring (3) is connected to the retaining spring body (1) through the articulated support (15); the second supporting tension spring (16) is articulated to the first guide slider (18) through the articulated support (15); the second supporting tension spring (16) is connected to the retaining spring body (1) through the articulated support (15).

4. The peristaltic pump retaining spring for an analyzer according to claim 1, characterized in that: The outer sides of the upper surfaces of both ends of the clamping spring body (1) are connected with fixed edge blocks (6).

5. The peristaltic pump retaining spring for an analyzer according to claim 4, characterized in that: The interior of the fixed edge block (6) is respectively connected with an operating groove (14) and a positioning groove (9).

6. The peristaltic pump retaining spring for an analyzer according to claim 5, characterized in that: A matching positioning block (10) is provided in the positioning groove (9).

7. The peristaltic pump retaining spring for an analyzer according to claim 6, characterized in that: A fixing groove (7) is connected inside the positioning block (10).

8. The peristaltic pump retaining spring for an analyzer according to claim 7, characterized in that: One side of the positioning block (10) is connected to an assembly block (12).

9. The peristaltic pump retaining spring for an analyzer according to claim 7, characterized in that: A pressing block (8) is connected to the operating groove (14) via a spring (13), and the pressing block (8) extends to the outside of the bottom of the fixed edge block (6).

10. The peristaltic pump retaining spring for an analyzer according to claim 9, characterized in that: A clamping block (11) matching the clamping groove (7) is connected to one side of the pressing block (8) close to the positioning block (10).

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