Anti-vibration temperature element

Abstract

The utility model discloses an anti-vibration temperature element, which comprises a mounting seat, a connecting lead, a wiring terminal box and a vibration reduction frame, a temperature measuring rod is fixedly arranged in the mounting seat, the temperature measuring rod is connected with the wiring terminal box through the connecting lead, the temperature measuring rod is fixedly arranged through the mounting seat, and the vibration reduction frame is connected with the mounting seat and the wiring terminal box; the vibration reduction frame comprises a first connecting assembly, a second connecting assembly and a vibration reduction rod, the two ends of the vibration reduction rod are connected with the first connecting assembly and the second connecting assembly respectively, the first connecting assembly is connected with the wiring terminal box, the second connecting assembly is connected with the mounting base, the vibration reduction rod is a bent elastic rod, and the bending angle is an obtuse angle; according to the utility model, the installation seat and the wiring terminal box are connected through the vibration reduction frame, so that the connection state and position of the installation seat and the wiring terminal box are relatively stable, the transmission of vibration of the installation seat to the wiring terminal box is effectively reduced, and the relative movement frequency and amplitude between the installation seat and the wiring terminal box can be reduced at the same time.

Description

TECHNICAL FIELD

[0001] The utility model relates to temperature measuring device technical field, specifically related to a temperature element of anti vibration. BACKGROUND

[0002] Traditional temperature measuring element (such as thermocouple, thermal resistance) adopts rigid straight insertion structure, is directly fixed on equipment shell or pipeline. In actual operation process, especially in the electric power plant machine side circulating water system, cooling water system and so on area, the equipment runs violently, and conventional temperature measuring element is easily caused connection loosening, wire fracture or temperature measuring core body damage due to vibration, leads to temperature measurement failure, influences operation safety.

[0003] Although existing temperature measuring element also has the structure of flexible guiding connection, specifically, temperature measuring rod is connected with terminal box through flexible wire, temperature measuring rod is fixedly arranged on shell or pipeline, terminal box is fixedly arranged at other positions, and temperature measuring rod vibrates with shell or pipe body, and vibration is not transmitted to terminal box due to flexible wire, but if vibration amplitude is too large or frequency is too high, repeated bending of wire will cause wire contact failure or fracture.

[0004] In view of the above-mentioned defects, the utility model creator finally obtains the utility model after long time research and practice. UTILITY MODEL CONTENT

[0005] In order to solve the above technical defects, the utility model adopts the technical scheme, and provides a temperature element of anti vibration, including mounting seat, connecting wire, terminal box and shock absorbing frame, the mounting seat is fixedly provided with temperature measuring rod, the temperature measuring rod is connected with the terminal box through the connecting wire, the temperature measuring rod is fixedly arranged through the mounting seat, the shock absorbing frame is connected with the mounting seat and the terminal box;

[0006] The shock absorbing frame includes first connecting assembly, second connecting assembly and shock absorbing rod, and the two ends of the shock absorbing rod are connected with the first connecting assembly and the second connecting assembly respectively, the first connecting assembly is connected with the terminal box, the second connecting assembly is connected with the mounting seat, and the shock absorbing rod is a bent L-shaped elastic rod, and the bending angle is obtuse.

[0007] Preferably, the connecting wire is externally provided with a damping layer and a protective layer, the protective layer is made of metal or plastic braided tube, the connecting wire is arranged in the protective layer, and the protective layer extends along the extension direction of the connecting wire, and silica gel or ceramic cotton is filled between the protective layer and the connecting wire to form the damping layer.

[0008] Preferably, the first connecting assembly comprises a first connecting disc, a first connecting hole is arranged at the center of the first connecting disc, the connecting wire is connected with the terminal box through the first connecting hole, a clamping ring is arranged on the terminal box, one end of the first connecting hole is coaxially arranged with a first clamping groove, the cross section of the first clamping groove is circular, the outer diameter of the clamping ring is correspondingly arranged with the cross section diameter of the first clamping groove, and the clamping ring is arranged in the first clamping groove.

[0009] Preferably, a plurality of damping rods are annularly and uniformly arranged on the first connecting disc with the first connecting hole as the center, the damping rod comprises a first connecting section and a second connecting section, the first connecting section and the second connecting section are connected at the end to form a bent damping rod as a whole, each first connecting section is vertically and fixedly connected with the first connecting disc, and the second connecting section extends from the end of the first connecting section to the direction close to the axis of the first connecting hole.

[0010] Preferably, the second connecting assembly comprises a connecting ring, a fixing sleeve and a damping spring, the fixing sleeve is a tubular member, a second connecting hole is arranged at the center axis of the fixing sleeve, the connecting wire is connected with the temperature measuring rod through the second connecting hole, the connecting ring is arranged outside the fixing sleeve, the connecting ring is coaxial with the fixing sleeve, and the connecting ring and the fixing sleeve can relatively move in the axial direction, the fixing sleeve is connected with the mounting seat, the connecting ring is fixedly connected with the end of the damping rod, and the damping spring is connected with the connecting ring and the fixing sleeve to provide elastic force.

[0011] Preferably, a fitting layer is arranged on the inner ring wall of the connecting ring, the fitting layer is made of rubber material, and the connecting ring is arranged in fitting with the outer wall of the fixing sleeve through the fitting layer.

[0012] Preferably, the damping spring is arranged outside the fixing sleeve, one end of the fixing sleeve close to the mounting seat is provided with an end ring, and the two ends of the damping spring are respectively arranged in contact with the end ring and the connecting ring.

[0013] Preferably, a limiting ring is further fixedly arranged on the fixing sleeve, the connecting ring is arranged between the limiting ring and the damping spring, a gasket is arranged on the side of the limiting ring close to the connecting ring, and the limiting ring is arranged in contact with the connecting ring through the gasket.

[0014] Preferably, the mounting seat is provided with a cylindrical connecting head corresponding to the fixing sleeve, a second clamping groove is coaxially arranged at one end of the fixing sleeve, the cross section of the second clamping groove is circular, the cross section diameter of the second clamping groove is correspondingly arranged with the cross section diameter of the connecting head, and the connecting head is arranged in the second clamping groove.

[0015] Preferably, a limiting groove is arranged on the end ring, the limiting groove is arranged as an annular groove, and one end of the damping spring is arranged in the limiting groove.

[0016] Compared with the prior art, the utility model has the advantages that the utility model discloses through setting up the damping frame connecting the mounting seat and the terminal box, the connection state and position of the mounting seat and the terminal box are relatively stable, can effectively reduce the transmission of the mounting seat vibration to the terminal box, and can also reduce the relative movement frequency and amplitude between the mounting seat and the terminal box. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the anti-vibration temperature element.

[0018] Figure 2 It is a structural sectional view of the anti-vibration temperature element.

[0019] Figure 3 It is a connecting structural sectional view of the first connecting assembly.

[0020] Figure 4 It is a connecting structural sectional view of the second connecting assembly.

[0021] Numerals in the drawing represent:

[0022] 1 - mounting seat, 2 - connecting wire, 3 - terminal box, 4 - first connecting assembly, 5 - second connecting assembly, 6 - damping rod, 11 - temperature measuring rod, 12 - connecting head, 21 - damping layer, 22 - protective layer, 31 - clamping ring, 41 - first connecting disc, 42 - first connecting hole, 51 - connecting ring, 52 - fixing sleeve, 53 - damping spring, 54 - second connecting hole, 55 - adhering layer, 56 - end ring, 57 - limiting ring, 58 - gasket, 59 - limiting groove, 61 - first connecting section, 62 - second connecting section. DETAILED DESCRIPTION

[0023] The above and other technical features and advantages of the utility model will be explained in detail below in combination with the drawings.

[0024] Example one

[0025] As Figure 1 and Figure 2 shown, Figure 1 It is a structural schematic view of the anti-vibration temperature element. Figure 2 It is a structural sectional view of the anti-vibration temperature element.

[0026] The utility model discloses an anti -vibration's temperature element including mounting seat 1, connecting wire 2, terminal box 3 and vibration damper frame, mounting seat 1 is fixedly provided with temperature measuring rod 11, temperature measuring rod 11 is connected with terminal box 3 through connecting wire 2, temperature measuring rod 11 is fixedly arranged on the corresponding device to be measured through mounting seat 1, vibration damper frame connects mounting seat 1 with terminal box 3, reduces the transmission of mounting seat 1 vibration to terminal box 3, also reduces the relative movement frequency and amplitude between mounting seat 1 and terminal box 3 simultaneously.

[0027] Specific, the vibration damper frame includes first connecting assembly 4, second connecting assembly 5 and damping rod 6, both ends of damping rod 6 are connected with first connecting assembly 4 and second connecting assembly 5 respectively, first connecting assembly 4 is connected with terminal box 3, second connecting assembly 5 is connected with mounting seat 1, damping rod 6 is the L-shaped elastic rod of bending, and the bending angle is obtuse, to reduce the vibration transmission between first connecting assembly 4 and second connecting assembly 5, and the relative movement amplitude between mounting seat 1 and terminal box 3 can be greatly reduced simultaneously.

[0028] Preferably, the connecting wire 2 is provided with a damping layer 21 and a protective layer 22 outside, the protective layer 22 is made of metal or plastic braided tube, the connecting wire 2 is arranged in the protective layer 22, and the protective layer 22 extends along the extension direction of the connecting wire 2, and silica gel or ceramic cotton is filled between the protective layer 22 and the connecting wire 2 to form the damping layer 21, so as to reduce the bending and other influences caused by vibration on the connecting wire 2.

[0029] The utility model adopts flexible electric wire to connect data, avoids the situation that rigid straight insertion structure is easy to loosen and fall off under vibration, avoids the damage of rigid straight insertion structure to the electric wire after falling off, and the relative position state between the mounting seat 1 and the terminal box 3 can be stabilized through the vibration damper frame, the relative displacement between the mounting seat 1 and the terminal box 3 is avoided, the electric wire is pulled, and the vibration transmitted from the mounting seat 1 to the terminal box 3 is also effectively reduced.

[0030] The utility model discloses an anti -vibration's temperature element including mounting seat 1, connecting wire 2, terminal box 3 and vibration damper frame, mounting seat 1 is fixedly provided with temperature measuring rod 11, temperature measuring rod 11 is connected with terminal box 3 through connecting wire 2, temperature measuring rod 11 is fixedly arranged on the corresponding device to be measured through mounting seat 1, vibration damper frame connects mounting seat 1 with terminal box 3, reduces the transmission of mounting seat 1 vibration to terminal box 3, also reduces the relative movement frequency and amplitude between mounting seat 1 and terminal box 3 simultaneously.

[0031] Embodiment two

[0032] As Figure 3As shown, Figure 3 The first connecting assembly 4 includes a first connecting disc 41, the first connecting disc 41 is provided with a first connecting hole 42 in the center, the connecting wire is connected with the terminal box 3 through the first connecting hole 42, the terminal box 3 is provided with a clamping ring 31, one end of the first connecting hole 42 is coaxially provided with a first clamping groove, the cross section of the first clamping groove is circular, the outer diameter of the clamping ring 31 and the cross section diameter of the first clamping groove are correspondingly arranged, the clamping ring 31 is arranged in the first clamping groove, so as to ensure that the position of the first connecting disc 41 on the terminal box 3 is fixed, one end of the damping rod 6 is fixedly arranged on the first connecting disc 41.

[0033] Preferably, a plurality of damping rods 6 are evenly distributed on the first connecting disc 41 in a ring shape with the first connecting hole 42 as the center, the damping rod 6 includes a first connecting section 61 and a second connecting section 62, the first connecting section 61 and the second connecting section 62 are connected at the ends to form a whole of the bending damping rod 6, each first connecting section 61 and the first connecting disc 41 are vertically fixedly connected, the second connecting section 62 extends from the end of the first connecting section 61 to the direction close to the axis of the first connecting hole 42, so as to effectively damp the starting vibration of the mounting seat 1.

[0034] Generally, the first connecting disc 41 is provided with a first mounting hole, the terminal box 3 is provided with a second mounting hole, the first mounting hole and the second mounting hole are one-to-one correspondingly arranged, a mounting screw is threadedly connected through the first mounting hole and the second mounting hole, so as to realize the detachable connection of the first connecting assembly 4 on the terminal box 3. The first mounting hole is generally evenly distributed in a ring shape around the first connecting hole 42, and is arranged between adjacent damping rods 6, so as to facilitate installation and fixation.

[0035] Embodiment three

[0036] As Figure 4 shown, Figure 4The second connecting assembly 5 comprises a connecting ring 51, a fixing sleeve 52 and a damping spring 53. The fixing sleeve 52 is a tubular member, and a second connecting hole 54 is arranged in the center of the fixing sleeve 52 in the axial direction. The connecting wire is connected with the temperature measuring rod 11 by penetrating through the second connecting hole 54. The connecting ring 51 is sleeved on the outside of the fixing sleeve 52. The connecting ring 51 is coaxial with the fixing sleeve 52, and the connecting ring 51 and the fixing sleeve 52 move relatively in the axial direction. The fixing sleeve 52 is connected with the mounting seat 1. The connecting ring 51 is fixedly connected with the end of the damping rod 6. The damping spring 53 is connected with the connecting ring 51 and the fixing sleeve 52 to provide damping elastic force, so as to reduce the conduction of the vibration of the mounting seat 1 to the damping rod 6.

[0037] Generally, a bonding layer 55 is arranged on the inner ring wall of the connecting ring 51. The bonding layer 55 is made of rubber material. The connecting ring 51 is arranged in bonding with the outer wall of the fixing sleeve 52 through the bonding layer 55, so as to form a flexible buffer between the connecting ring 51 and the fixing sleeve 52, and further reduce the vibration conduction of the second connecting assembly 5.

[0038] Preferably, the damping spring 53 is sleeved on the outside of the fixing sleeve 52. An end ring 56 is arranged on the end of the fixing sleeve 52 close to the mounting seat 1. The two ends of the damping spring 53 are arranged in contact with the end ring 56 and the connecting ring 51 respectively, so as to realize the damping elastic connection between the connecting ring 51 and the fixing sleeve 52.

[0039] A limiting ring 57 is further arranged on the fixing sleeve 52. The connecting ring 51 is arranged between the limiting ring 57 and the damping spring 53, so as to limit the position of the connecting ring 51. A gasket 58 is arranged on the side of the limiting ring 57 close to the connecting ring 51. The limiting ring 57 is arranged in contact with the connecting ring 51 through the gasket 58. The gasket 58 can be made of rubber or wool material, so as to further reduce the vibration.

[0040] Specifically, the mounting seat 1 is provided with a cylindrical connecting head 12 corresponding to the fixing sleeve 52. One end of the fixing sleeve 52 is coaxially provided with a second clamping groove. The cross section of the second clamping groove is circular, and the cross section diameter of the second clamping groove is correspondingly arranged with the cross section diameter of the connecting head 12. The connecting head 12 is arranged in the second clamping groove, so as to realize the clamping fixation between the second connecting assembly 5 and the mounting seat 1. The fixing sleeve 52 and the connecting head 12 can be connected by adhesive connection, threaded connection or other fixed connection modes.

[0041] In order to ensure the stable arrangement of the damping spring 53, a limiting groove 59 is arranged on the end ring 56, the limiting groove 59 is arranged as an annular groove, and one end of the damping spring 53 is arranged in the limiting groove 59, so as to improve the stability of the damping spring 53 arranged on the fixing sleeve 52.

[0042] The above merely describes the preferred embodiments of the present application, which are merely illustrative but not restrictive. It is understood by those skilled in the art that many changes, modifications and even equivalents can be made to the present application within the spirit and scope of the present application as defined in the claims, and all of them will fall within the protection scope of the present application.

Claims

1. A vibration-resistant temperature element, characterized in that, The device includes a mounting base, connecting wires, a terminal box, and a vibration damping frame. A temperature measuring rod is fixedly installed inside the mounting base. The temperature measuring rod is connected to the terminal box via the connecting wires and is fixedly installed via the mounting base. The vibration damping frame connects the mounting base and the terminal box. The vibration damping frame includes a first connecting component, a second connecting component, and a vibration damping rod. The two ends of the vibration damping rod are respectively connected to the first connecting component and the second connecting component. The first connecting component is connected to the terminal box, and the second connecting component is connected to the mounting base. The vibration damping rod is a bent elastic rod with an obtuse bending angle.

2. The vibration-resistant temperature element as described in claim 1, characterized in that, The connecting wire is provided with a vibration damping layer and a protective layer. The protective layer is made of metal or plastic braided tubing. The connecting wire is placed inside the protective layer, and the protective layer extends along the extension direction of the connecting wire. Silicone or ceramic cotton is filled between the protective layer and the connecting wire to form the vibration damping layer.

3. The vibration-resistant temperature element as described in claim 1, characterized in that, The first connecting component includes a first connecting plate with a first connecting hole at its center. The connecting wire passes through the first connecting hole and connects to the terminal box. The terminal box has a snap-fit ​​ring. One end of the first connecting hole has a first snap-fit ​​groove coaxially arranged. The cross-section of the first snap-fit ​​groove is circular. The outer diameter of the snap-fit ​​ring corresponds to the cross-sectional diameter of the first snap-fit ​​groove. The snap-fit ​​ring is disposed within the first snap-fit ​​groove.

4. The vibration-resistant temperature element as described in claim 3, characterized in that, Multiple vibration damping rods are evenly distributed in a ring around the first connecting hole on the first connecting plate. Each vibration damping rod includes a first connecting segment and a second connecting segment. The ends of the first connecting segment and the second connecting segment are connected to form a bent vibration damping rod as a whole. Each first connecting segment and the first connecting plate are vertically fixedly connected. The second connecting segment extends obliquely from the end of the first connecting segment toward the axis of the first connecting hole.

5. The vibration-resistant temperature element as described in claim 4, characterized in that, The second connecting assembly includes a connecting ring, a fixing sleeve, and a vibration damping spring. The fixing sleeve is a tubular component with a second connecting hole axially located at its center. The connecting wire passes through the second connecting hole and connects to the temperature measuring rod. The connecting ring is sleeved on the outside of the fixing sleeve and is coaxial with the fixing sleeve. The connecting ring and the fixing sleeve are axially movable relative to each other. The fixing sleeve is connected to the mounting base. The connecting ring is fixedly connected to the end of the vibration damping rod. The vibration damping spring is connected to both the connecting ring and the fixing sleeve to provide elastic force.

6. The vibration-resistant temperature element as described in claim 5, characterized in that, The inner ring wall of the connecting ring is provided with an adhesive layer, which is made of rubber. The connecting ring is attached to the outer wall of the fixing sleeve through the adhesive layer.

7. The vibration-resistant temperature element as described in claim 5, characterized in that, The damping spring is sleeved on the outside of the fixed sleeve, and the fixed sleeve has an end ring at one end near the mounting base. The two ends of the damping spring are respectively in contact with the end ring and the connecting ring.

8. The vibration-resistant temperature element as described in claim 7, characterized in that, A limiting ring is also fixedly provided on the fixed sleeve. The connecting ring is disposed between the limiting ring and the damping spring. A washer is provided on the side of the limiting ring near the connecting ring. The limiting ring is in contact with the connecting ring through the washer.

9. The vibration-resistant temperature element as described in claim 5, characterized in that, The mounting base is provided with a cylindrical connector corresponding to the fixing sleeve. One end of the fixing sleeve is coaxially provided with a second snap-fit ​​groove. The cross-section of the second snap-fit ​​groove is circular, and the cross-sectional diameter of the second snap-fit ​​groove corresponds to the cross-sectional diameter of the connector. The connector is disposed in the second snap-fit ​​groove.

10. The vibration-resistant temperature element as described in claim 8, characterized in that, A limiting groove is provided on the end ring, and the limiting groove is configured as an annular groove. One end of the damping spring is disposed in the limiting groove.

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