JP5733268B2 - Temperature sensor - Google Patents

Description

  The present invention relates to a temperature sensor.

  Conventionally, the thing of patent document 1 is known as a temperature sensor. In this temperature sensor, a temperature detection element is accommodated in a housing. An anchor type clip is formed at the lower end of the housing. With the temperature sensor inserted into the hole formed in the attached member, the clip is elastically engaged with the attached member so that the temperature sensor is fixed to the attached member. It has become.

JP 2006-250763 A

  However, in the above configuration, it is necessary to release the temperature sensor by releasing the engagement between the anchor type clip and the attached member, and this involves the engagement between the clip and the attached member inside the attached member. There is a problem that it is necessary to perform a work for releasing the connection, and it is not easy to remove the clip.

  This invention is completed based on the above situations, Comprising: It aims at providing the temperature sensor which can be easily removed from a to-be-attached part.

  The present invention is a temperature sensor comprising: an attachment member attached to an attachment portion having an attachment hole; and an insertion member having a temperature measurement portion arranged at a temperature measurement position and inserted through the attachment member. The mounting member moves between a first member having a seal portion that covers the mounting hole, a locked state that is locked to the first member, and an unlocked state that is unlocked from the first member. And a connecting member that connects the first member and the second member, and the connecting member is elastically deformed and can be inserted into the mounting hole in the locked state; and The temperature sensor is configured to be engageable with the attached portion, and in the unlocked state, the temperature sensor is configured to be removable from the attached portion, and the first member and the second member are On one side, the position relative to the insertion member is fixed And the other of the first member and the second member is restricted from rotating with respect to the attached portion, and is allowed to rotate relative to the insertion member. It is characterized in that the locked state is released and the unlocked state is entered when the member rotates.

According to this configuration, when the temperature sensor is attached, by being locked, the temperature sensor can be elastically deformed and inserted into the attachment hole, and can be locked to the attached portion.
On the other hand, when the temperature sensor is removed, one of the first member and the second member is provided with a fixing portion that fixes the position with respect to the insertion member. One of the second members rotates. In addition, the other of the first member and the second member is restricted from rotating with respect to the attached portion and is allowed to rotate relative to the insertion member, and the locked state is maintained when the insertion member rotates. It is released and becomes unlocked. In this unlocked state, the temperature sensor can be detached from the attached portion.

  As a result, when removing the temperature sensor from the attached portion, if the insertion member is rotated, the attachment member is changed from the locked state to the unlocked state, and the temperature sensor can be removed. Can be easily removed.

In addition to the above configuration, the following configuration is preferable.
-The said fixing | fixed part is provided in the said 2nd member.
When the fixing portion is provided on the first member side, since there is a seal portion, the movement of the first member relative to the attached portion is not easy, and the configuration for releasing the locked state may be complicated. On the other hand, according to this configuration, since the fixing portion is provided on the second member side, it is relatively easy to move the second member relative to the mounted portion, and the configuration for releasing the locked state is simplified. It becomes possible to do.

-The mounting hole has an oval shape.
In this way, for example, when the connecting member is locked to the hole edge of the mounting hole, it is easy to increase the locking force with respect to the force in the rotational direction.

The fixing portion is recessed in one of the first member and the second member, and the insertion member is engaged with one of the first member and the second member by engaging with the fixing portion. Convex portions for fixing the position are provided.
If it does in this way, it will become possible to simplify the composition which fixes one side of the 1st member and the 2nd member to an insertion member.

The connecting member has a bending locking portion that is locked to the attached portion in a bent state in the locked state.
If it does in this way, it will become possible to latch reliably, simplifying the structure which latches a connection member to a to-be-attached part.

The connecting member has a locking projection that locks to the inner wall of the mounting hole.
If it does in this way, a connection member can be locked to a to-be-attached part using the structure of the attachment hole necessarily provided for attachment of a temperature sensor.

The insertion member can be rotated by moving the insertion member forward or backward in the insertion direction.
In this way, it is possible to prevent a problem that the lock is inadvertently released.

  According to the present invention, it is possible to easily remove the temperature sensor from the mounted portion.

The side view which shows the state in which the temperature sensor of Embodiment 1 was attached to the to-be-attached part. The perspective view which shows the state from which the temperature sensor in a locked state was attached to the to-be-attached part from the bottom face side The figure which expands and shows the state of the 1st lock part at the time of pulling up an insertion member, and a 2nd lock part. The figure which expands and shows the state of the 1st lock part at the time of rotating an insertion member from the state of FIG. 3, and a 2nd lock part. The perspective view which shows the non-locking state of the temperature sensor currently attached to the to-be-attached part from the bottom face side A perspective view showing a temperature sensor in a locked state Side view showing temperature sensor in the locked state Front view showing the temperature sensor in the locked state Bottom view showing locked temperature sensor AA sectional view of FIG. BB sectional view of FIG. The perspective view which shows the temperature sensor of a non-locking state Side view showing temperature sensor in non-locked state Front view showing the temperature sensor in the unlocked state

<Embodiment 1>
The first embodiment will be described with reference to FIGS.
The temperature sensor 10 according to the present embodiment is mounted on a battery module (not shown) that is mounted on a vehicle (not shown) such as an electric vehicle or a hybrid vehicle and used as a power source of the vehicle, for example. It is attached to (attached member). In the following description, the upper and lower directions will be described with reference to FIG. 1, with the right side of FIG.

(Duct 11)
As shown in FIG. 1, the duct 11 is formed in a rectangular tube shape, a cylindrical shape, or the like, and forms a flow path (space) inside, and air is circulated in the flow path. In FIG. 1, a wall separating the inside (lower side in FIG. 1) and the outside (upper side in FIG. 1), which is a part of the duct 11 together with the temperature sensor 10, is illustrated, and other parts of the duct 11 are omitted. .

  Since the performance of the battery module is affected by temperature, it is preferable to maintain the temperature of the battery module at a predetermined temperature. Therefore, if the air duct 11 is provided in the battery module, the battery module is cooled by cold air when the temperature of the battery module is relatively high, and conversely, the temperature of the battery module becomes relatively low. If it is, it can be heated by warm air.

As described above, in order to control the temperature of the battery module by blowing air, it is necessary to detect the temperature of the air flowing through the duct 11. For this reason, the temperature sensor 10 is attached to the duct 11.
Specifically, the duct 11 has an attached portion 12 to which the temperature sensor 10 is attached. As shown in FIG. 2, the temperature measuring portion 16 of the temperature sensor 10 is introduced into the attached portion 12. A mounting hole 13 is formed through.
The shape of the mounting hole 13 is an oval shape.

(Temperature sensor 10)
As shown in FIG. 10, the temperature sensor 10 includes an attachment member 20 attached to the attached portion 12 and an insertion member 14 inserted through the attachment member 20.
(Insertion member 14)
The insertion member 14 includes a cylindrical (rod-shaped) cylindrical portion 15 and a temperature detection element 17 accommodated in the lower end portion of the cylindrical portion 15.

The cylindrical portion 15 is made of synthetic resin, and a lower end portion (tip portion) is rounded and closed, and an upper end portion is opened. A temperature detection element 17 is accommodated inside the distal end portion of the cylindrical portion 15.
A pair of convex portions 15 </ b> A for fixing (positioning) a second member 29 (described later) with respect to the insertion member 14 is provided on the distal end side of the outer surface of the cylindrical portion 15. The pair of convex portions 15A are provided at opposite positions in the circumferential direction (positions opposite to 180 degrees), the upper ends rise from the outer surface of the cylindrical portion 15 and step downward from the substantially middle portion in the vertical direction. A shape having an inclined surface with a small protruding dimension is formed.

  The temperature detection element 17 is configured by, for example, a thermistor. As the thermistor, a PTC thermistor or an NTC thermistor can be appropriately selected. The temperature detection element 17 is not limited to the thermistor, and any element can be appropriately selected as long as the temperature can be detected. The temperature detection element 17 is connected to the inner side of the distal end portion of the cylindrical portion 15 with an adhesive 18. Instead of the adhesive 18, for example, the inside of the cylindrical portion 15 may be filled together with the temperature detection element 17 with a filler such as a synthetic resin.

  A pair of electric wires 19 are connected from the upper end portion of the temperature detection element 17, and the pair of electric wires 19 are led out of the cylindrical portion 15. The electric wire 19 is connected to an external circuit composed of an ECU (Engine Control Unit) (not shown) and the like, and a signal from the temperature detection element 17 is transmitted to the external circuit via the electric wire 19.

  The distal end portion of the insertion member 14 serves as a temperature measuring unit 16 that measures the temperature in the duct 11, and the temperature measuring unit 16 is disposed at a temperature measurement position inside the duct 11.

(Mounting member 20)
As shown in FIG. 1, the mounting member 20 includes a first member 21 inserted through the mounting hole 13, a locked state locked to the first member 21, and a non-locked state where the locking to the first member 21 is released. A second member 29 that can move to the locked state, and a connection member 38 that connects the first member 21 and the second member 29 are provided.

The first member 21 includes a cylindrical first tube portion 22 into which the insertion member 14 is inserted, a hook-shaped seal portion 23 that covers the attachment hole 13, and a first lock portion 24 that locks the second member 29. And.
As shown in FIG. 10, the first cylindrical portion 22 has an insertion hole 22 </ b> A through which the insertion member 14 can be inserted.

The seal portion 23 projects in a circular shape in a direction perpendicular to the outer periphery of the first tube portion 22, and covers the gap portion outside the first tube portion 22 in the attachment hole 13 from the outer surface side.
A pair of first lock portions 24 are provided at positions opposite to the circumferential direction at 180 ° in the lower end portion of the first tube portion 22 (positions symmetrical with respect to the central axis of the mounting member 20). It protrudes downward from the lower end of 22 in the shape of a bowl.

  More specifically, as shown in FIG. 3, the first lock portion 24 includes a first extension portion 25 that extends downward from the lower end surface of the first tube portion 22, and a tip portion of the first extension portion 25. It has the 2nd extension part 26 extended in the circumferential direction which is a right angle direction, and the lock | rock protrusion part 27 which protrudes in the folded shape from the front-end | tip part of the 2nd extension part 26 to the upper side (cylinder part side).

  The second extending portion 26 extends in the rotation direction when the insertion member 14 is rotated in the clockwise direction that is the unlocking direction, and extends in the circumferential direction along the outer periphery of the insertion member 14. It is curved.

As shown in FIG. 7, the width dimension (vertical dimension) of the second extension part 26 is the second dimension when the first lock part 24 and the second lock part 32 of the second member 29 are locked. The dimension is such that a clearance CL <b> 1 is formed between the upper end of the second cylindrical portion 30 of the member 29.
The clearance CL1 is set to be equal to or larger than the protrusion dimension RA of the lock protrusion 27 (the same or larger value).
As shown in FIG. 3, the locking protrusion 27 has a stepped portion 28 that protrudes in a stepped manner from the side edge of the second extending portion 26.

As shown in FIG. 1, the second member 29 includes a cylindrical second tube portion 30 through which the insertion member 14 is inserted, and a pair of second members for locking the second member 29 with respect to the first member 21. And a lock portion 32.
As shown in FIG. 10, the second cylindrical portion 30 has an insertion hole 30 </ b> A through which the insertion member 14 can be inserted.
The second cylinder part 30 is formed with a pair of fixing holes 31 (an example of “fixing part”) penetrating the wall of the second cylinder part 30.

Each fixing hole 31 has a rectangular shape that is large enough to accommodate the convex portion 15 </ b> A of the insertion member 14, and is positioned 180 degrees opposite to each other in the second cylindrical portion 30 (relative to the axis of the second cylindrical portion). (Symmetrical position).
Each of the second lock portions 32 is provided on the opposite side (symmetrical position) of the upper end portion of the second cylindrical portion 30 in the circumferential direction, and protrudes upward from the upper end of the second cylindrical portion 30 in a bowl shape. ing.

  More specifically, as shown in FIG. 3, the first extending portion 33 extending upward from the upper end surface of the second cylindrical portion 30 and the circumferential direction that is a direction orthogonal to the distal end portion of the first extending portion 25. And a lock projection 35 protruding downward (second cylinder portion side) from the distal end portion of the second extension portion 26.

The protrusion dimension of the lock protrusion 35 is equal to the protrusion dimension of the lock protrusion 27.
The second extending portion 34 extends in a direction opposite to the clockwise direction that is the unlocking direction of the insertion member 14, and is curved toward the circumferential direction along the outer periphery of the insertion member 14. .

As shown in FIG. 7, the width dimension (vertical dimension) of the second extending portion 34 is the lower end of the first cylindrical portion 22 when the first lock portion 24 and the second lock portion 32 are in the locked state. It is set as the dimension which produces clearance CL2 between.
This clearance CL2 is set to be equal to or greater than the protrusion dimension RA of the lock protrusion 35.
As shown in FIG. 3, the lock protrusion 35 has a stepped portion 36 that protrudes in a stepped manner from the side edge of the second extending portion 34.

  As shown in FIG. 7, a pair of connection members 38 are provided at positions (symmetric positions) opposite to the mounting member 20 in the circumferential direction by 180 degrees, and are connected to the first tube portion 22. 39, a second connection portion 42 connected to the second tube portion 30, and a bending locking portion 44 that connects between the first connection portion 39 and the second connection portion 42 and can be bent and deformed.

  The first connection portion 39 is connected to the lower end of the first tube portion 22, and an end portion that becomes a connection portion with the first tube portion 22 is locally thinned so that the portion can be bent and deformed. . At the end of the first connecting portion 39 on the side of the bending locking portion 44, a locking protrusion 41 is provided so as to abut against and lock the inner wall of the attachment hole 13 on the side of the long diameter direction.

The second connection portion 42 is connected to the upper end of the first tube portion 22, and an end portion that becomes a connection portion with the second tube portion 30 is locally thinned so that it can be bent and deformed. The second connecting portion 42 is thickened from the locally thinned end portion, and the thickness dimension is gradually reduced in an inclined manner toward the bending locking portion 44 side.
The bending locking portion 44 is formed to be thin with the second connecting portion 42.
Each of the bending locking portions 44 in the pair of connection members 38 is locked in the vicinity of the end portion in the long diameter direction of the mounting hole 13 (hole edge portion of the mounting hole).

  By configuring the connecting member 38 as described above, in the locked state, the connecting member 38 is bent at the position of the bending locking portion 44, and the outer diameter dimension (the dimension in the front-rear direction) between the pair of connecting members 38 is the mounting hole. Although it becomes larger than the diameter of 13 major axis directions, each connection member 38 can pass through the attachment hole 13 by elastically deforming in the front-back direction. Then, when restored and deformed through the mounting hole 13, the outer diameter dimension between the pair of connecting members 38 becomes larger than that of the mounting hole 13 again, and the locking protrusion 41 and the bending locking portion 44 are engaged with the mounted portion 12. Stop.

  On the other hand, as shown in FIG. 12, in the unlocked state, the bending locking portions 44 of the pair of connection members 38 are extended, so that the outer diameter dimension (the dimension in the front-rear direction) between the pair of connection members 38 is The attachment hole 13 is smaller than the diameter in the major axis direction, and can be detached from the attached portion 12 simply by pulling the temperature sensor 10 upward.

Next, assembly of the temperature sensor 10 will be described.
The insertion member 14 is inserted in order from the upper side of the attachment member 20 into the insertion hole 22A of the first member 21 and the insertion hole 30A of the second member 29, and the convex portion 15A of the insertion member 14 is disposed in the fixed hole 31. At this time, the mounting member 20 is in a locked state in which the first locking portion 24 of the first member 21 is locked to the second locking portion 32 of the second member 29 and the bending locking portion 44 of the connecting member 38 is bent. Just keep it. As a result, the temperature sensor 10 is assembled (FIG. 7). The insertion member 14 may be unlocked when the insertion member 14 is inserted into the attachment member 20, and may be locked when attached to the attached portion 12 thereafter.

Next, attachment of the temperature sensor 10 to the attached portion 12 will be described.
The operator moves the front end side of the temperature sensor 10 in which the second member 29 of the mounting member 20 is locked to the first member 21 from the outside (upper side) of the duct 11 to the inside of the duct 11 through the mounting hole 13. Insert it.

  Then, the pair of connection members 38 in a state in which the bending locking portion 44 is bent bends (elastically deforms) in the direction in contact with the hole edge of the mounting hole 13 and intersects the insertion direction. When 13 is passed, the elastic recovery is performed. At this time, the outer surface side of the bending locking portion 44 comes into contact with the mounted portion 12 and the locking projection 41 comes into contact with the inner surface on the long diameter side of the mounting hole 13 so that the temperature sensor 10 is properly mounted. (FIG. 1).

Next, removal of the temperature sensor 10 will be described.
The operator pushes up the insertion member 14 of the temperature sensor 10 attached to the attached portion 12 upward.
As a result, as shown in FIG. 3, the second member 29 whose position is fixed with respect to the insertion member 14 is within the range of the clearance CL between the first lock portion 24 and the second lock portion 32. Spaced apart. At this time, the lower end of the first lock portion 24 abuts on the upper end of the second member 29, the upper end of the second lock portion 32 abuts on the lower end of the first member 21, and the first lock portion 24 and the second lock portion 32. Are separated from each other.

In this state, the insertion member 14 is rotated clockwise. At this time, since the first lock portion 24 and the second lock portion 32 (the lock projections 27 and 35) are not in the locked state, the second member 29 rotates with respect to the first member 21 ( FIG. 4).
When reaching the position where the locking between the first lock portion 24 and the second lock portion 32 can be released (the position indicated by the dotted line in FIG. 4), the operator releases the insertion member 14.

Accordingly, the second member 29 in the unlocked state in which the locking between the first lock portion 24 and the second lock portion 32 is released is inserted into the insertion member by the weight of the insertion member 14 and the second member 29. 14, the bending locking portion 44 of the connecting member 38 is not bent and the connecting member 38 is extended. Note that, after the insertion member 14 is rotated, the operator may push the insertion member 14 downward.
At this time, the outer diameters of the pair of connection members 38 are diameters through which the attachment holes 13 can be passed.

According to the said embodiment, there exist the following effects.
(1) According to the present embodiment, when the temperature sensor 10 is mounted, the connection member 38 is elastically deformed and can be inserted into the mounting hole 13 and locked to the mounted portion 12 by being locked. be able to.

  On the other hand, when the temperature sensor 10 is removed, the second member 29 (one of the first member and the second member) is provided with a fixing hole 31 (fixing portion) that fixes the position with respect to the insertion member 14. Therefore, the second member 29 (one of the first member and the second member) rotates with the rotation of the insertion member 14. The first member 21 (the other of the first member and the second member) is attached to the attached portion 12 (the frictional force of the seal portion 23 against the attached portion 12, the locking protrusion 41 of the connecting member 38, Rotation is restricted by the locking force of the bending locking portion 44 to the mounted portion 12 and relative rotation with respect to the insertion member 14 (because there is no fixing structure) is permitted. During the rotation, the locked state is released and the locked state is entered. In this unlocked state, the temperature sensor 10 can be detached from the attached portion 12.

  Thus, when the temperature sensor 10 is removed from the attached portion 12, if the insertion member 14 is rotated, the attachment member 20 is changed from the locked state to the unlocked state, and the temperature sensor 10 can be removed. 10 can be easily removed from the mounted portion 12.

(2) The fixing hole 31 (fixing part) is provided in the second member 29.
If the fixing hole 31 is provided on the first member 21 side, since the seal portion 23 is provided, the movement of the first member 21 relative to the mounted portion 12 is not easy, and the configuration for releasing the locked state may be complicated. There is. On the other hand, according to the present embodiment, since the fixing hole 31 is provided on the second member 29 side, the movement of the second member 29 with respect to the mounted portion 12 is relatively easy, so that the locked state is released. The configuration can be simplified.

(3) The mounting hole 13 has an oval shape.
In this way, when the locking protrusion 41 of the connection member 38 is locked to the hole edge of the mounting hole 13, it is easy to increase the locking force with respect to the force in the rotational direction.

(4) The fixing hole 31 (fixing portion) is recessed in the second member 29 (one of the first member and the second member), and the insertion member 14 is engaged with the fixing hole 31 to be second. Convex part 15A which fixes a position to member 29 (one of the 1st member and the 2nd member) is provided.
If it does in this way, it will become possible to simplify the composition which fixes the 2nd member 29 (one of the 1st member and the 2nd member) to insertion member 14.

(5) The connection member 38 has the bending locking part 44 locked to the to-be-attached part 12 in the bent state in the locked state.
If it does in this way, it will become possible to make it latch reliably, simplifying the structure which latches the connection member 38 to the to-be-attached part 12. FIG.

(6) The connection member 38 has a locking projection 41 that locks to the inner wall of the mounting hole 13.
In this way, the connection member 38 can be locked to the attached portion 12 by utilizing the configuration of the attachment hole 13 that is inevitably provided for attaching the temperature sensor 10.

(7) The insertion member 14 can be rotated by moving the insertion member 14 forward or backward in the insertion direction.
In this way, it is possible to prevent a problem that the lock is inadvertently released.

<Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.
(1) In the above embodiment, the temperature sensor 10 is attached to the duct 11. However, the present invention is not limited to this, and the temperature sensor 10 may be attached to a part for measuring the outside air temperature. You may attach to the site | part to measure, and you may attach to the site | part which measures the temperature of an apparatus, and can attach to arbitrary positions as needed.

(2) In the above embodiment, in order to unlock the temperature sensor 10, the temperature sensor 10 is configured to rotate clockwise about the insertion direction. However, the present invention is not limited to this, and the lock is released. In addition, the lock portions 24 and 32 may be configured to rotate the temperature sensor 10 counterclockwise about the insertion direction.

(3) In the above-described embodiment, when the lock is released, the insertion member 14 is rotated after being pulled upward. However, the invention is not limited to this, and the insertion member 14 is merely rotated (without being pulled upward). It is good also as a structure which unlocks by. In this case, the lock protrusion 27 may not be provided, but instead of the stepped portions 28 and 36 of the lock protrusions 27 and 35, a lock protrusion that is inclined and has a large protruding dimension may be provided. Good.

(4) In the above embodiment, the fixing hole 31 (fixing part) is provided in the second member 29, but the fixing hole (fixing part) may be provided on the first member 21 side. In this case, when the lock is released, the first member 21 is rotated together with the insertion member 14, but the second member 29 is, for example, due to the locking of the connecting member 38 to the attached portion 12 or the like. What is necessary is just to make it stop.

(5) In the above-described embodiment, the shape of the attachment hole 13 is an oval shape. However, the shape is not limited to this, and other shapes such as a perfect circle shape and an oval shape may be used.
(6) In the above embodiment, the fixing hole 31 penetrates the second member 29, but the fixing portion may be provided in a recessed manner on the surface of the mounting member on the insertion member 14 side.

DESCRIPTION OF SYMBOLS 10 ... Temperature sensor 11 ... Duct 12 ... Mounted part 13 ... Mounting hole 14 ... Insertion member 15A ... Convex part 16 ... Temperature measuring part 17 ... Temperature detection element 20 ... Mounting member 21 ... 1st member 23 ... Seal part 24 ... 1st 1 lock part 27 ... lock protrusion 28 ... step part 29 ... second member 31 ... fixing hole (fixing part)
32 ... 2nd lock part 35 ... Lock protrusion 36 ... Step part 38 ... Connection member 39 ... 1st connection part 41 ... Locking protrusion 42 ... 2nd connection part 44 ... Bending locking part

Claims (7)

A temperature sensor comprising: an attachment member attached to an attachment portion having an attachment hole; and an insertion member inserted into the attachment member having a temperature measurement portion arranged at a temperature measurement position,
The mounting member is
A first member having a seal portion covering the mounting hole; a second member movable to a locked state in which the first member is locked; and a non-locked state in which the locking to the first member is released; A connection member for connecting the first member and the second member;
In the locked state, the connecting member is elastically deformed and can be inserted into the mounting hole, and can be locked to the mounted portion. In the unlocked state, the connection member is It is configured to be removable from the mounted part,
One of the first member and the second member is provided with a fixing portion that fixes a position with respect to the insertion member, and the other of the first member and the second member rotates with respect to the attached portion. And a temperature sensor that is allowed to rotate relative to the insertion member, and is unlocked when the insertion member is rotated.   The temperature sensor according to claim 1, wherein the fixing portion is provided in the second member.   The temperature sensor according to claim 1, wherein the mounting hole has an oval shape.   The fixing portion is recessed in one of the first member and the second member, and the insertion member is engaged with the fixing portion and is engaged with one of the first member and the second member. The temperature sensor according to any one of claims 1 to 3, wherein a convex portion for fixing the position is provided.   The temperature sensor according to any one of claims 1 to 4, wherein the connection member has a bending locking portion that is locked to the attached portion in a bent state in the locked state.   The temperature sensor according to any one of claims 1 to 5, wherein the connection member has a locking projection that locks to an inner wall of the mounting hole.   The temperature sensor according to any one of claims 1 to 6, wherein the insertion member is rotatable by moving the insertion member forward or backward in the insertion direction.

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