CN220366916U - Thermal resistor with protection function - Google Patents

Abstract

The utility model discloses a thermal resistor with a protection function, which comprises a thermal resistor body, a first protection component, a second protection component, a first driving component and a second driving component, wherein the first protection component and the second protection component are arranged at intervals along the up-down direction, the thermal resistor body is positioned between the first protection component and the second protection component, the first driving component and the second driving component are arranged at intervals along the up-down direction, the first protection component and the second protection component are positioned between the first driving component and the second driving component, the first driving component is connected with the first protection component to drive the first protection component to move along the up-down direction, and the second driving component is connected with the second protection component to drive the second protection component to move along the up-down direction. The thermal resistor with the protection function can protect the thermal resistor, avoid the thermal resistor from being damaged by vibration, and prolong the service life of the thermal resistor.

Description

Thermal resistor with protection function

Technical Field

The utility model relates to the technical field of thermal resistors, in particular to a thermal resistor with a protection function.

Background

Thermal resistance is one of the most commonly used temperature detectors in the medium and low temperature range. The thermal resistance temperature measurement is based on the characteristic that the resistance value of the metal conductor increases with an increase in temperature. Its main characteristics are high measuring accuracy and stable performance. The measurement accuracy of the platinum thermal resistor is the highest, and the platinum thermal resistor is widely applied to industrial temperature measurement and is also manufactured into a standard reference instrument.

Refer to the thermal resistor with the safeguard function of patent document with bulletin number CN215573421U, it includes box body, box room and fixture block, the box body is cuboid structure and inside has the box room, it has the blotter to bond on the inside bottom surface of box room, the fixing base is installed to the symmetry on the inner wall of box room, the spread groove has been seted up on the outer wall of fixing base, the inside swing joint of spread groove has the fixture block, the one end array that the fixing base was kept away from to the fixture block distributes has a plurality of second springs, install the connecting seat on the outer wall of box body, be equipped with the thread bush on the outer wall of connecting seat, the connecting seat has the protective tube through thread bush threaded connection, the parcel has the lag on the outer wall of protective tube, a plurality of first springs are installed to the symmetry on the inner wall of protective tube, be connected with the fixed plate on the first spring.

In the above patent document, the first spring is arranged in the protection tube to be matched with the fixing plate so as to clamp and fix the external thermal resistor core when in use, and then protect the thermal resistor core and reduce the influence of external vibration on the thermal resistor core. However, in the absence of a damping shock absorber, the spring itself has instability and does not provide good damping of the thermal resistor.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, the embodiment of the utility model provides the thermal resistor with the protection function, which can protect the thermal resistor, prevent the thermal resistor from being damaged by vibration and prolong the service life of the thermal resistor.

The thermal resistor with the protection function provided by the embodiment of the utility model comprises the following components:

a thermal resistor body;

the thermal resistor comprises a first protection component and a second protection component, wherein the first protection component and the second protection component are arranged at intervals along the up-down direction, and the thermal resistor body is positioned between the first protection component and the second protection component;

the first driving assembly and the second driving assembly are arranged at intervals along the vertical direction, the first protection assembly and the second protection assembly are located between the first driving assembly and the second driving assembly, the first driving assembly and the first protection assembly are connected to drive the first protection assembly to move in the vertical direction, and the second driving assembly and the second protection assembly are connected to drive the second protection assembly to move in the vertical direction.

According to the thermal resistor with the protection function, the first protection component and the second protection component move towards the thermal resistor body through the first driving component and the second driving component, and the thermal resistor body is clamped between the first protection component and the second protection component, so that the thermal resistor body is protected, the thermal resistor body is prevented from being broken due to vibration when the thermal resistor body vibrates, and the service life of the thermal resistor body is prolonged.

In some embodiments, the first guard assembly includes a first clamp and a first guard pad disposed on a side of the first clamp adjacent the thermal resistor body, the side of the first clamp remote from the thermal resistor body being coupled to the first drive assembly.

In some embodiments, the first protection pad is provided with at least two first deformation holes, and when the first driving assembly drives the first protection pad to move towards the thermal resistor body, the first deformation holes can deform.

In some embodiments, the first protective pad is a rubber pad.

In some embodiments, the first drive assembly comprises:

the first rod piece extends along the first direction and can rotate around the first direction, the first direction is orthogonal to the up-down direction, an external thread is arranged on the outer wall surface of the first rod piece, the external thread comprises a first external thread section and a second external thread section, the first external thread section and the second external thread section are sequentially arranged along the first rod piece, and the rotation directions of the first external thread section and the second external thread section are opposite;

the first moving part is arranged on the first external thread section and is connected with the first clamping part, the second moving part is arranged on the second external thread section and is connected with the first clamping part, and when the first rod rotates around the first direction, the first moving part and the second moving part move towards directions close to or far away from each other so as to drive the first clamping part to move in the up-down direction.

In some embodiments, the first drive assembly further comprises:

the first sliding rod extends along the first direction, and the first sliding rod and the first rod piece are arranged at intervals along the up-down direction and are positioned at one side of the first rod piece away from the first clamping piece;

the first guide block and the second guide block are arranged on the first slide rod at intervals and can slide along the first direction relative to the first slide rod, the first guide block is connected with the first slide rod and the first moving piece, and the second guide block is connected with the first slide rod and the second moving piece.

In some embodiments, the thermal resistor with a protective function further comprises two side plates, the two side plates are arranged at intervals along the first direction, and the first driving component, the first protective component, the thermal resistor body, the second protective component and the second driving component are arranged between the two side plates at intervals along the up-down direction.

In some embodiments, a bearing is provided between one end of the first rod and one of the side plates, and a bearing is provided between the other end of the first rod and the other of the side plates.

In some embodiments, the other end of the first rod extends out of the side surface of the other side plate away from one side plate,

the first driving assembly further comprises a rotating rod, the rotating rod is arranged at the other end of the first rod, and the first rod can be driven to rotate around the first direction through rotating the rotating rod.

In some embodiments, the outer wall surface of the rotating rod is threaded.

Drawings

Fig. 1 is a schematic view of a thermal resistor with a protective function according to an embodiment of the present utility model.

Fig. 2 is an enlarged schematic view of the portion a in fig. 1.

Fig. 3 is a schematic diagram of a first driving assembly of a thermal resistor with a protection function according to an embodiment of the present utility model.

Reference numerals: 1. a thermal resistor body; 2. a first guard assembly; 21. a first clamping member; 22. a first protective pad; 221. a first deformation hole; 3. a second shield assembly; 31. a second clamping member; 32. a second protective pad; 321. a second deformation hole; 4. a first drive assembly; 41. a first rod member; 411. a first external thread segment; 412. a second external thread segment; 42. a first moving member; 421. a first moving block; 422. a first connecting rod; 43. a second moving member; 44. a first slide bar; 45. a first guide block; 46. a second guide block; 5. a second drive assembly; 51. a second rod member; 511. a third external thread segment; 512. a fourth external thread segment; 52. a third moving member; 53. a fourth moving member; 54. a second slide bar; 55. a third guide block; 56. a fourth guide block; 6. a side plate; 71. a first connection plate; 72. a second connecting plate; 8. and (5) rotating the rod.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

As shown in fig. 1 to 3, the thermal resistor with a protection function according to the embodiment of the present utility model includes a thermal resistor body 1, a first protection component 2, a second protection component 3, a first driving component 4, and a second driving component 5. The first protection component 2 and the second protection component 3 are arranged at intervals along the up-down direction, and the thermal resistor body 1 is positioned between the first protection component 2 and the second protection component 3.

The first driving assembly 4 and the second driving assembly 5 are arranged at intervals along the up-down direction, the first protection assembly 2 and the second protection assembly 3 are located between the first driving assembly 4 and the second driving assembly 5, the first driving assembly 4 and the first protection assembly 2 are connected to drive the first protection assembly 2 to move in the up-down direction, and the second driving assembly 5 and the second protection assembly 3 are connected to drive the second protection assembly 3 to move in the up-down direction.

According to the thermal resistor with the protection function, the first protection component 2 and the second protection component 3 are enabled to move towards the thermal resistor body 1 through the first driving component 4 and the second driving component 5, and the thermal resistor body 1 is clamped between the first protection component 2 and the second protection component 3, so that the thermal resistor body 1 is protected, the thermal resistor body 1 is prevented from being broken due to vibration when the thermal resistor body 1 vibrates, and the service life of the thermal resistor body 1 is prolonged.

In some embodiments, the first protection component 2 includes a first clamping member 21 and a first protection pad 22, the first protection pad 22 is disposed on a side of the first clamping member 21 adjacent to the thermal resistor body 1, and a side of the first clamping member 21 away from the thermal resistor body 1 is connected to the first driving component 4.

Specifically, the second protection component 3 includes a second clamping member 31 and a second protection pad 32, and the second protection pad 32 is disposed on a side of the second clamping member 31 adjacent to the thermal resistor body 1, and a side of the second clamping member 31 away from the thermal resistor body 1 is connected to the second driving component 5. The first protection pad 22 and the second protection pad 32 play a role in protecting the thermal resistor body 1.

In some embodiments, the first protection pad 22 has at least two first deformation holes 221, and the first deformation holes 221 can be deformed when the first driving component 4 drives the first protection pad 22 to move towards the thermal resistor body 1.

Specifically, the second protection pad 32 has at least two second deformation holes 321, and when the second driving assembly 5 drives the second protection pad 32 to move towards the thermal resistor body 1, the second deformation holes 321 can deform.

The first drive assembly 4 drives the first protection pad 22 to move towards the thermal resistor body 1, the second drive assembly 5 drives the second protection pad 32 to move towards the thermal resistor body 1, so that the first protection pad 22 and the second protection pad 32 can clamp the thermal resistor body 1, when the thermal resistor body 1 is vibrated, the first deformation holes 221 and the second deformation holes 321 deform to play a role of buffering, and the thermal resistor body 1 is effectively protected from being vibrated.

In some embodiments, the first protective pad 22 is a rubber pad.

Specifically, the second protective pad 32 is also a rubber pad.

In some embodiments, the first drive assembly 4 includes a first lever 41, a first mover 42, and a second mover 43.

The first rod 41 extends along a first direction and can rotate around the first direction, the first direction is orthogonal to the up-down direction, external threads are formed on the outer wall surface of the first rod 41, the external threads comprise a first external thread section 411 and a second external thread section 412, the first external thread section 411 and the second external thread section 412 are sequentially arranged along the first rod 41, and the rotation directions of the first external thread section 411 and the second external thread section 412 are opposite.

The first moving member 42 is disposed on the first external thread section 411 and connected to the first clamping member 21, and the second moving member 43 is disposed on the second external thread section 412 and connected to the first clamping member 21, so that when the first rod 41 rotates around the first direction, the first moving member 42 and the second moving member 43 move toward a direction approaching or moving away from each other, so as to drive the first clamping member 21 to move in the first direction.

Specifically, the first moving member 42 is described as an example of the same structure as the second moving member 43. The first moving member 42 includes a first moving block 421 and a first connecting rod 422. The first moving block 421 is slidably mounted on the first external thread section 411 and is in threaded engagement with the first external thread section 411, one end of the first connecting rod 422 is connected to the first moving block 421 and rotatable relative to the first moving block 421, and the other end of the first connecting rod 422 is connected to the first clamping member 21 and rotatable relative to the first clamping member 21. Thereby, the first moving block 421 is moved on the first male screw section 411 by rotating the first lever 41, so that the first clamping member 21 is moved in the up-down direction by the first connecting rod 422.

Specifically, the second driving assembly 5 includes a second lever 51, a third moving member 52, and a fourth moving member 53. Wherein the third mover 52 and the fourth mover 53 are identical in structure to the first mover 42.

The second rod member 51 extends along the first direction and can rotate around the first direction, the outer wall surface of the second rod member 51 is provided with external threads, the external threads comprise a third external thread section 511 and a fourth external thread section 512, the third external thread section 511 and the fourth external thread section 512 are sequentially arranged along the second rod member 51, and the rotation directions of the third external thread section 511 and the fourth external thread section 512 are opposite. The first external thread segment 411 and the third external thread segment 511 have the same direction of rotation, and the second external thread segment 412 and the fourth external thread segment 512 have the same direction of rotation.

The third moving member 52 is disposed on the third external thread segment 511 and connected to the second clamping member 31, and the fourth moving member 53 is disposed on the fourth external thread segment 512 and connected to the second clamping member 31, so that when the second rod 51 rotates around the first direction, the third moving member 52 and the fourth moving member 53 move toward a direction approaching or moving away from each other, so as to drive the second clamping member 31 to move in the first direction.

In some embodiments, the first drive assembly 4 further comprises a first slide bar 44, a first guide block 45, and a second guide block 46. The first slide bar 44 extends in the first direction, and the first slide bar 44 and the first rod 41 are arranged at intervals in the up-down direction and are located at a side of the first rod 41 away from the first clamping member 21. The first guide block 45 and the second guide block 46 are arranged on the first slide bar 44 at intervals and slidable in a first direction relative to the first slide bar 44, the first guide block 45 connects the first slide bar 44 and the first moving member 42, and the second guide block 46 connects the first slide bar 44 and the second moving member 43.

Specifically, the first guide block 45 and the second guide block 46 operate in the same manner, and the first guide block 45 is described as an example. By rotating the first rod 41, the first moving block 421 moves on the first external thread section 411, so that the first guide block 45 is driven to move on the first slide rod 44, and the moving directions of the first guide block 45 and the first moving block 421 are consistent, so that the first guide block 45 plays a role in guiding the movement of the first moving block 421, the first moving block 421 can be prevented from rotating along with the first rod 41 in the same direction, the first moving block 421 is ensured to be stable during moving, and the first protection component 2 is ensured to be stable during moving in the up-down direction.

Specifically, the second driving assembly 5 further includes a second slide bar 54, a third guide block 55, and a fourth guide block 56. The second slide bar 54 extends in the first direction, and the second slide bar 54 and the second rod member 51 are arranged at intervals in the up-down direction and are located at a side of the second rod member 51 remote from the second clamping member 31. The third guide block 55 and the fourth guide block 56 are arranged on the second slide bar 54 at intervals and slidable in the first direction with respect to the second slide bar 54, the third guide block 55 connects the second slide bar 54 and the third moving member 52, and the fourth guide block 56 connects the second slide bar 54 and the fourth moving member 53.

Specifically, the third guide block 55 and the fourth guide block 56 operate on the same principle as the first guide block 45.

In some embodiments, the thermal resistor with the protection function further comprises a side plate 6. The two side plates 6 are arranged at intervals along the first direction, and the first driving component 4, the first protection component 2, the thermal resistor body 1, the second protection component 3 and the second driving component 5 are arranged between the two side plates 6 at intervals along the up-down direction.

Specifically, the thermal resistor having a protective function further includes a first connection plate 71 and a second connection plate 72, and the first connection plate 71 and the second connection plate 72 are arranged at intervals in the up-down direction. The first connection plate 71 and the second connection plate 72 are identical in structure.

The number of first connection plates 71 is two, the two first connection plates 71 are arranged at intervals along the first direction, the first connection plates 71 are arranged on the side surfaces of the side plates 6, which are close to each other, one of the first connection plates 71 is arranged on one of the side plates 6, the other first connection plate 71 is arranged on the other side plate 6, and the two first connection plates 71 are arranged oppositely. The first lever 41 is connected to the two first connection plates 71 with bearings between the first lever 41 and the first connection plates 71 so that the first lever 41 can rotate about the first direction with respect to the first connection plates 71.

The two second connection plates 72 are arranged at intervals along the first direction, the second connection plates 72 are arranged on the side surfaces of the side plates 6 close to each other, one second connection plate 72 is arranged on one side plate 6, the other second connection plate 72 is arranged on the other side plate 6, and the two first connection plates 71 are arranged oppositely. The second rod 51 is connected to two second connection plates 72, and a bearing is also provided between the second rod 51 and the second connection plates 72, so that the second rod 51 can rotate about the first direction relative to the second connection plates 72.

In some embodiments, the other end of the first bar 41 protrudes beyond the side of the other side plate 6 facing away from one of the side plates 6. The first driving assembly 4 further comprises a rotating rod 8, wherein the rotating rod 8 is arranged at the other end of the first rod 41, and the first rod 41 can be driven to rotate around the first direction by rotating the rotating rod 8.

Specifically, the other end of the first lever 41 sequentially extends out of one of the first connection plates 71 and one of the side plates 6, the other end of the second lever 51 sequentially extends out of one of the second connection plates 72 and one of the side plates 6, and the other end of the first lever 41 and the other end of the second lever 51 are located on the same side.

Specifically, the second driving assembly 5 also includes a rotating rod 8, the rotating rod 8 is disposed at the other end of the second rod member 51, and the second rod member 51 is driven to rotate around the first direction by rotating the rotating rod 8.

In some embodiments, the diameter of the first rod 41 is smaller than the dimension of the first connection plates 71 in the up-down direction, so that the other end of the first rod 41 is not restricted when it protrudes out of one of the first connection plates 71.

The diameter of the second link 51 is smaller than the dimension of the second connection plates 72 in the up-down direction so that the other end of the second link 51 is not restricted when it protrudes out of one of the second connection plates 72.

In some embodiments, the outer wall surface of the rotating rod 8 is threaded.

Specifically, the screw thread is arranged on the outer surface of the rotating rod 8, so that the friction force between the rotating rod 8 and the hand can be increased, and the rotating rod 8 is easier to rotate.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While the above embodiments have been shown and described, it should be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the utility model.

Claims (10)

1. A thermal resistor having a protective function, comprising:

a thermal resistor body (1);

the thermal resistor comprises a first protection component (2) and a second protection component (3), wherein the first protection component (2) and the second protection component (3) are arranged at intervals along the up-down direction, and the thermal resistor body (1) is positioned between the first protection component (2) and the second protection component (3);

first drive assembly (4) and second drive assembly (5), first drive assembly (4) with second drive assembly (5) are followed upper and lower direction interval arrangement, first guard assembly (2) with second guard assembly (3) are located between first drive assembly (4) and second drive assembly (5), first drive assembly (4) with first guard assembly (2) link to each other in order to drive first guard assembly (2) are in upper and lower direction is removed, second drive assembly (5) with second guard assembly (3) link to each other in order to drive second guard assembly (3) are in upper and lower direction is removed.

2. The thermal resistor with the protection function according to claim 1, characterized in that the first protection component (2) comprises a first clamping piece (21) and a first protection pad (22), the first protection pad (22) is arranged on the side, adjacent to the thermal resistor body (1), of the first clamping piece (21), and the side, away from the thermal resistor body (1), of the first clamping piece (21) is connected with the first driving component (4).

3. The thermal resistor with the protection function according to claim 2, wherein the first protection pad (22) is provided with at least two first deformation holes (221), and the first deformation holes (221) can deform when the first driving component (4) drives the first protection pad (22) to move towards the thermal resistor body (1).

4. Thermal resistor with protection function according to claim 2, characterized in that the first protection pad (22) is a rubber pad.

5. Thermal resistor with protection function according to claim 2, characterized in that the first driving assembly (4) comprises:

the first rod piece (41), the first rod piece (41) extends along a first direction and can rotate around the first direction, the first direction is orthogonal to the up-down direction, an external thread is arranged on the outer wall surface of the first rod piece (41), the external thread comprises a first external thread section (411) and a second external thread section (412), the first external thread section (411) and the second external thread section (412) are sequentially arranged along the first rod piece (41), and the rotation directions of the first external thread section (411) and the second external thread section (412) are opposite;

the first moving part (42) and the second moving part (43), the first moving part (42) is arranged on the first external thread section (411) and is connected with the first clamping part (21), the second moving part (43) is arranged on the second external thread section (412) and is connected with the first clamping part (21), and when the first rod piece (41) rotates around the first direction, the first moving part (42) and the second moving part (43) move towards the directions approaching to or separating from each other so as to drive the first clamping part (21) to move in the up-down direction.

6. The thermal resistor with protection function according to claim 5, characterized in that the first driving assembly (4) further comprises:

a first slide bar (44), the first slide bar (44) extends along the first direction, the first slide bar (44) and the first rod (41) are arranged at intervals along the up-down direction and are positioned at one side of the first rod (41) away from the first clamping piece (21);

first guide block (45) and second guide block (46), first guide block (45) with second guide block (46) interval arrangement is in first slide bar (44) and relative first slide bar (44) can be followed first direction slip, first guide block (45) is connected first slide bar (44) with first moving member (42), second guide block (46) is connected first slide bar (44) with second moving member (43).

7. The thermal resistor with the protection function according to claim 5, further comprising two side plates (6), wherein the two side plates (6) are arranged at intervals along the first direction, and the first driving assembly (4), the first protection assembly (2), the thermal resistor body (1), the second protection assembly (3) and the second driving assembly (5) are arranged between the two side plates (6) at intervals along the up-down direction.

8. Thermal resistor with protection function according to claim 7, characterized in that a bearing is provided between one end of the first rod (41) and one of the side plates (6), and a bearing is provided between the other end of the first rod (41) and the other side plate (6).

9. Thermal resistor with protection function according to claim 8, characterized in that the other end of the first rod (41) protrudes beyond the side of the other side plate (6) facing away from one of the side plates (6),

the first driving assembly (4) further comprises a rotating rod (8), the rotating rod (8) is arranged at the other end of the first rod piece (41), and the first rod piece (41) can be driven to rotate around the first direction through rotating the rotating rod (8).

10. Thermal resistor with protection function according to claim 9, characterized in that the outer wall surface of the rotating rod (8) is provided with threads.