CN211696723U - Thermocouple protective sleeve - Google Patents

Abstract

The utility model discloses a thermocouple protective sheath relates to the thermocouple field. The utility model discloses a hollow tube, the both ends of hollow tube are all fixed the cup joint and are had first flange, the inside activity of hollow tube is pegged graft and is had the damping hose, the inside of damping hose is pegged graft and is had the thermocouple body, one of them first flange fixed surface is connected with the circular block, the axle center department of circular block passes through bearing fixedly connected with dwang, the one end of dwang runs through the circular block and extends to the inside of damping hose, the dwang is located four runing rest of one end fixedly connected with of damping hose. The utility model discloses a rotating support and fixed subassembly that set up on the hollow tube insert the thermocouple body in the shock attenuation hose to make the thermocouple body fix the inside at the hollow tube through rotating the fixed subassembly on the support, accomplish accomodating and protecting the thermocouple body, avoid the thermocouple body to lose in disorder in storage and placing and put and lead to its damage.

Description

Thermocouple protective sleeve

Technical Field

The utility model relates to a thermocouple field, concretely relates to thermocouple protective sheath.

Background

The thermocouple is a commonly used temperature measuring element in a temperature measuring instrument, directly measures temperature, converts a temperature signal into a thermal electromotive force signal, and converts the thermal electromotive force signal into the temperature of a measured medium through an electric instrument (a secondary instrument). The appearance of various thermocouples is very different according to needs, but the basic structures of the thermocouples are almost the same, and the thermocouples are generally composed of main parts such as a thermode, an insulating sleeve protection tube, a junction box and the like, and are generally matched with a display instrument, a recording instrument and an electronic regulator for use. In industrial processes, temperature is one of the important parameters that needs to be measured and controlled. In temperature measurement, the thermocouple is widely applied, and has the advantages of simple structure, convenient manufacture, wide measurement range, high precision, small inertia, convenient output signal remote transmission and the like. In addition, since the thermocouple is a passive sensor, no external power supply is needed during measurement, and the thermocouple is very convenient to use, the thermocouple is often used for measuring the temperature of gas or liquid in a furnace or a pipeline and the surface temperature of solid.

The thermocouple belongs to an instrument of high accuracy, but lacks the device of accomodating and protecting the thermocouple at present, makes the thermocouple can not obtain effectual protection in storing and placing, probably causes the damage of internals to lead to the unable normal use of thermocouple, cause economic loss.

Therefore, the utility model provides a thermocouple protective sheath.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the device that does not accomodate and protect for solving current thermocouple probably leads to the problem of its damage when depositing, the utility model provides a thermocouple protective sheath.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a thermocouple protective sheath, includes the hollow tube, the both ends of hollow tube are all fixed the cup joint and are had first flange, the inside activity of hollow tube is pegged graft and is had the shock attenuation hose, the inside of shock attenuation hose is pegged graft and is had the thermocouple body, one of them first flange fixed surface is connected with circular block, the axle center department of circular block passes through bearing fixedly connected with dwang, the one end of dwang runs through circular block and extends to the inside of shock attenuation hose, the dwang is located four runing rest of one end fixedly connected with of shock attenuation hose, every all be provided with on the runing rest and be used for fixing the fixed subassembly at the hollow tube inside with the shock attenuation.

Furthermore, the damping hose is close to the one end fixed connection ring block of circular block, four spacing grooves have been seted up to the symmetry on the ring block, fixed subassembly is including seting up the activity groove on four rotating support, four all there is spacing support through slider cooperation swing joint in the activity groove, fixed subassembly still includes four symmetrical sleeves of fixed connection on the circular block, four spacing support respectively the activity peg graft in four telescopic inside and with spacing groove looks adaptation.

Further, two all overlap on the first connection pad and be equipped with the second connection pad, there is the clearance between first connection pad and the second connection pad, be provided with the buffer gear who is used for buffering the impact between first connection pad and the second connection pad on the first connection pad.

Further, buffer gear includes a plurality of reset spring of fixed mounting on first connection pad, and is a plurality of the one end that first connection pad was kept away from to reset spring all with second connection pad fixed connection.

Furthermore, two symmetrical tripods are fixedly connected to the surface of the hollow tube.

Further, the shock attenuation hose is the silica gel material.

The utility model has the advantages as follows:

1. the utility model discloses a rotating bracket and fixed subassembly that set up on the hollow tube insert the thermocouple body in the shock attenuation hose, later with the inside of shock attenuation hose insertion hollow tube again, make the rotating bracket move about through twisting the dwang after that to make the thermocouple body fix the inside at the hollow tube through the fixed subassembly on the rotating bracket, accomplish accomodating and protecting the thermocouple body, avoid the thermocouple body to lose in disorder and put in storage and placing and lead to its damage.

2. The utility model discloses a buffer gear's setting, when the device takes place to fall partially, the second connection pad can receive with the impact force on ground to alleviate this impact force through reset spring when conducting to first connection pad, make the thermocouple body in the hollow tube receive the impact force and diminish, reach better protection effect.

Drawings

Fig. 1 is a schematic diagram of the structure of the utility model in a three-dimensional explosion mode;

FIG. 2 is a perspective view of the present invention;

fig. 3 is a schematic structural plan view of the present invention;

FIG. 4 is a schematic view of the A-A direction of the present invention;

FIG. 5 is a schematic diagram of the structure at A in FIG. 4 according to the present invention;

reference numerals: 1. a hollow tube; 2. a first splice tray; 3. a second connecting disc; 4. a damping hose; 5. a buffer mechanism; 51. a return spring; 6. a circular block; 7. rotating the rod; 8. rotating the bracket; 9. a fixing assembly; 91. a movable groove; 92. a limiting bracket; 93. a sleeve; 10. a tripod; 11. a limiting groove; 12. a thermocouple body.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-5, a thermocouple protective sheath, including hollow tube 1, first connection pad 2 has all been cup jointed fixedly at the both ends of hollow tube 1, damping hose 4 has been pegged graft in the inside activity of hollow tube 1, damping hose 4's inside is pegged graft and is had thermocouple body 12, 2 fixed surface of one of them first connection pad are connected with circular block 6, bearing fixedly connected with dwang 7 is passed through to circular block 6's axle center department, circular block 6 is run through to the one end of dwang 7 and extend to damping hose 4's inside, dwang 7 is located four rotating support 8 of one end fixedly connected with of damping hose 4, all be provided with on every rotating support 8 and be used for fixing damping hose 4 at the inside fixed subassembly 9 of hollow tube 1.

In this embodiment, when using this device to protect the thermocouple, insert thermocouple body 12 in damping hose 4, and the elasticity through damping hose 4 opens and shuts the effect with thermocouple body 12 rather than fixed, later insert damping hose 4 the inside of hollow tube 1 again, twist reverse dwang 7 and make the swivel bracket 8 move about afterwards, and make thermocouple body 12 fix the inside at hollow tube 1 through the fixed subassembly 9 on the swivel bracket 8, accomplish accomodating and protecting thermocouple body 12, avoid thermocouple body 12 to lose in disorder in storing and placing and put and lead to its damage.

Specifically, the damping hose 4 is close to the one end fixed connection ring type piece of circular block 6, four spacing grooves 11 have been seted up to the symmetry on the ring type piece, fixed subassembly 9 is including seting up the activity groove 91 on four rotating support 8, all there is spacing support 92 through slider cooperation swing joint in four activity grooves 91, fixed subassembly 9 still includes four symmetrical sleeves 93 of fixed connection on circular block 6, four spacing support 92 respectively the activity peg graft in four sleeves 93 inside and with spacing groove 11 looks adaptations.

In this embodiment, after inserting damping hose 4 into hollow tube 1, twist dwang 7 and make four rotate support 8 in activity groove 91 activities to make spacing support 92 extend to the spacing inslot 11 on the ring type piece from sleeve 93 in, accomplish the fixed to damping hose 4 and hollow tube 1.

Specifically, all overlap on two first connection pads 2 and be equipped with second connection pad 3, have the clearance between first connection pad 2 and the second connection pad 3, be provided with on the first connection pad 2 and be used for buffering the buffer gear 5 of the impact between first connection pad 2 and the second connection pad 3.

In this embodiment, when the device is tilted, the second connection plate 3 receives an impact force with the ground, and the impact force is relieved by the buffer mechanism 5 when being transmitted to the first connection plate 2, so that the thermocouple body 12 in the hollow tube 1 receives a smaller impact force.

Specifically, the buffer mechanism 5 includes a plurality of return springs 51 fixedly mounted on the first connection plate 2, and one ends of the return springs 51 far away from the first connection plate 2 are fixedly connected with the second connection plate 3.

In this embodiment, when receiving an impact force, the second land 3 may shake through a gap between the second land and the first land 2, and meanwhile, the second land is released and restored by the restoring spring 51, so that the impact force received by the first land 2 is reduced, and the thermocouple body 12 is protected.

Specifically, two symmetrical tripods 10 are fixedly connected to the surface of the hollow tube 1.

In this embodiment, through the setting of tripod 10, make hollow tube 1 transversely place, make whole device place more firmly, reduce the probability that thermocouple body 12 bumps.

Specifically, the damping hose 4 is made of silica gel.

In the present embodiment, with such an arrangement, the thermocouple body 12 can be cushioned to a certain extent in the damping tube 4 during a collision, thereby enhancing the protection effect.

Claims (6)

1. A thermocouple protection sleeve is characterized by comprising a hollow pipe (1), wherein both ends of the hollow pipe (1) are fixedly sleeved with first connecting discs (2), a damping hose (4) is movably inserted in the hollow pipe (1), a thermocouple body (12) is inserted in the damping hose (4), one of the first connecting discs (2) is fixedly connected with a circular block (6) on the surface, the axis of the round block (6) is fixedly connected with a rotating rod (7) through a bearing, one end of the rotating rod (7) penetrates through the round block (6) and extends to the interior of the damping hose (4), dwang (7) are located four rotation support (8) of one end fixedly connected with of shock attenuation hose (4), every all be provided with on rotation support (8) and be used for fixing fixed subassembly (9) inside hollow tube (1) with shock attenuation hose (4).

2. The thermocouple protection sleeve according to claim 1, wherein one end of the damping hose (4) close to the circular block (6) is fixedly connected with an annular block, four limiting grooves (11) are symmetrically formed in the annular block, the fixing assembly (9) comprises movable grooves (91) formed in four rotating supports (8), limiting supports (92) are movably connected in the four movable grooves (91) through sliding blocks in a matched mode, the fixing assembly (9) further comprises four symmetrical sleeves (93) fixedly connected to the circular block (6), and the four limiting supports (92) are movably inserted into the four sleeves (93) respectively and are matched with the limiting grooves (11).

3. A thermocouple protection sheath according to claim 1, characterized in that a second connection pad (3) is sleeved on each of the two first connection pads (2), a gap exists between the first connection pad (2) and the second connection pad (3), and a buffer mechanism (5) for buffering the collision force between the first connection pad (2) and the second connection pad (3) is arranged on the first connection pad (2).

4. A thermocouple protection sheath according to claim 3, characterised in that the damping mechanism (5) comprises a plurality of return springs (51) fixedly mounted on the first connection plate (2), and the ends of the return springs (51) remote from the first connection plate (2) are fixedly connected to the second connection plate (3).

5. A thermocouple protection sheath according to claim 1, characterised in that two symmetrical tripods (10) are fixedly connected to the surface of the hollow tube (1).

6. A thermocouple protection sheath according to claim 1, characterised in that the damping hose (4) is of silicone material.

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