CN211290448U

CN211290448U - Sensor fixing support and air conditioner

Info

Publication number: CN211290448U
Application number: CN201921595254.7U
Authority: CN
Inventors: 黄逸轩
Original assignee: Ningbo Aux Electric Co Ltd
Current assignee: Ningbo Aux Electric Co Ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-08-18
Anticipated expiration: 2029-09-24

Abstract

The utility model provides a sensor fixed bolster and air conditioner, including fixed part, holding tank and fixed apron: the fixing part is used for fixing the sensor fixing support on the heat exchanger; the accommodating groove is internally provided with a hollow accommodating cavity, the accommodating cavity is used for accommodating a temperature sensor, and one side of the accommodating groove is open; fixed apron lid closes the uncovered side of holding tank, with will temperature sensor fixes in the holding tank, sensor fixed bolster and air conditioner have simple structure, the assembly is convenient, and the installation of sensor fixed bolster is stable, be difficult for flattening the pipeline, be difficult for leading to the heat exchanger fin to appear the back-up piece to and temperature sensor fixes firmly, be difficult for the advantage that drops.

Description

Sensor fixing support and air conditioner

Technical Field

The utility model relates to an air conditioning equipment technical field, concretely relates to sensor fixed bolster and air conditioner.

Background

In a common split floor type air conditioner, a temperature sensor on an outdoor unit heat exchanger is mainly fixed through a sensor fixing support, and generally, the temperature sensor is firstly fixed on the sensor fixing support, then support legs of the sensor fixing support are inserted into fins of the outdoor heat exchanger, and the sensor fixing support is clamped on a copper pipe.

But doing so has the following drawbacks: firstly, after the sensor fixing bracket is clamped on the copper pipe, the risk of flattening the pipeline exists; secondly, the sensor fixing bracket can rotate by taking the copper pipe as a shaft after being installed and cannot be completely fixed; thirdly, the sensor fixing support is inserted into the fins of the outdoor heat exchanger, so that the fins near the sensor fixing support are easy to fall; fourthly, the temperature sensor is not tightly fixed and is easy to fall off in the transportation process.

The present application is particularly proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sensor fixed bolster and air conditioner to solve current sensor fixed bolster can use the copper pipe to produce rotation, installation poor stability as the axle after the installation, easily flatten the pipeline and easily lead to the heat exchanger fin to appear the fall piece, and temperature sensor is fixed not tight, the problem that drops easily.

In order to solve the problem, the utility model discloses a sensor fixed bolster, sensor fixed bolster includes fixed part, holding tank and fixed cover plate:

the fixing part is provided with a plurality of clamping jaws, and the clamping jaws are used for fixing the sensor fixing support on the heat exchanger;

the accommodating groove is internally provided with a hollow accommodating cavity, the accommodating cavity is used for accommodating a temperature sensor, and one side of the accommodating groove is open;

the fixed cover plate covers the open side of the accommodating groove so as to fix the temperature sensor in the accommodating groove.

The sensor fixing support is connected with the heat exchanger through the first clamping jaw and the second clamping jaw respectively, so that the temperature sensor can be firmly fixed on the heat exchanger, cannot rotate around the heat exchange tube and is not easy to fall off; the first clamping jaw is matched with the second clamping jaw, so that the bearing capacity of the first clamping jaw and the heat exchange tube is reduced, and the heat exchange tube is not easy to flatten; moreover, the second clamping jaw limits the left-right swing of the first clamping jaw, so that fins of the heat exchanger are not easy to fall; finally, this application passes through the setting of fixed apron has improved temperature sensor's installation stability for temperature sensor is difficult for droing in the transportation.

Further, the holding tank with fixed apron rotatable coupling.

When the temperature sensor is installed, the fixed cover plate is rotated to open the accommodating groove; and after the temperature sensor is arranged, the fixed cover plate is rotated again to seal the accommodating groove.

Further, the holding tank with fixed apron sliding connection.

When the temperature sensor is installed, the fixed cover plate is slid to open the accommodating groove; after the temperature sensor is installed, the fixed cover plate slides again, the accommodating groove is sealed, and the operation is convenient and rapid.

Further, the fixed cover plate is connected with the accommodating groove in a buckling mode.

The fixed cover plate can be connected with the accommodating groove in a buckling mode through the buckle, so that the fixed cover plate cannot be opened randomly after the sensor fixing support is assembled; and when the temperature sensor needs to be replaced or overhauled, the fixed cover plate can be conveniently opened.

Furthermore, a plurality of heat dissipation holes are formed in the fixed cover plate.

The external atmosphere can easily enter the accommodating groove through the heat dissipation hole, so that the detection result of the temperature sensor is accurate.

Further, the tip of holding tank sets up limit baffle.

Limiting baffle is used for preventing temperature sensor follows drop in the holding tank, make temperature sensor's installation is more stable.

Furthermore, limit baffle includes first baffle and second baffle, first baffle and second baffle set up relatively in the holding tank, have the clearance between first baffle and the second baffle, temperature sensor's connecting wire is followed pass in the clearance.

The setting of first baffle and second baffle can enough prevent temperature sensor follows drop in the holding tank, can also make the connecting wire be convenient for pass, simultaneously, through first baffle and second baffle can be right the connecting wire is spacing, prevents that it from removing at will, influence pleasing to the eye with temperature sensor normally works.

Further, the first baffle and the second baffle have horizontal spacing and height difference.

A bent wire outlet channel is formed at the end part of the accommodating groove through the first baffle and the second baffle, and the connecting wire is bent and extends along the wire outlet channel. Because the outlet channel between the first baffle and the second baffle is provided with a bend, the connecting line can be further limited, so that the connecting line is clear and stable in wiring and is not easy to shake.

Further, the horizontal distance between the first baffle and the second baffle is recorded as h1, and the height difference between the first baffle and the second baffle is recorded as h2, so that the value range of h1 is 5-8 mm, and the value range of h2 is 5-8 mm.

The optimization of the value ranges of h1 and h2 can further improve the limiting effect on the connecting wire.

Further, fixed apron and limit baffle set up relatively at the both ends of holding tank.

The fixed cover plate and the limiting baffle are oppositely arranged at two end parts of the containing tank, so that the two ends of the containing tank can be respectively sealed and stopped through the fixed cover plate and the limiting baffle, and the temperature sensor is prevented from falling out of the two end parts of the containing tank.

Furthermore, the jack catch includes first jack catch and second jack catch, first jack catch insert in the heat exchanger and with the heat exchange tube in the heat exchanger is connected, the second jack catch laminating the surface extension of heat exchanger and hook on the heat exchanger, first jack catch includes relative last stabilizer blade and the lower stabilizer blade that sets up, go up stabilizer blade and lower stabilizer blade centre gripping respectively in the both sides of heat exchange tube.

This application passes through the second jack catch is right the up-and-down motion of sensor fixed bolster limits, through first jack catch is right the up-and-down, the seesaw of sensor fixed bolster limit, through face-to-face contact between second jack catch and the heat exchanger is right the horizontal hunting of first jack catch limits, from this, makes the degree of freedom of sensor fixed bolster is zero, has realized the complete fixation of sensor fixed bolster.

Furthermore, semicircular grooves with opposite opening sides are formed in the upper supporting leg and the lower supporting leg, and the heat exchange tube is clamped in the semicircular grooves.

Through the arrangement of the semicircular grooves, the upper support legs and the lower support legs are more stable to clamp the heat exchange tube, and can play a guiding role in mounting the upper support legs and the lower support legs, so that the heat exchange tube is more convenient to mount and more accurate in position.

An air conditioner is provided with the sensor fixing support.

To sum up, this application sensor fixed bolster and air conditioner have simple structure, the assembly is convenient, and the sensor fixed bolster installation is stable, is difficult for flattening the pipeline, is difficult for leading to the heat exchanger fin to appear the fall piece to and temperature sensor is fixed firm, the advantage that is difficult for droing.

Drawings

Fig. 1 is a schematic perspective view of a sensor fixing bracket according to an embodiment of the present invention;

fig. 2 is a schematic view illustrating an assembly process of the sensor fixing bracket and the temperature sensor according to the embodiment of the present invention;

fig. 3 is a schematic view of an assembly structure of the sensor fixing bracket and the temperature sensor according to the embodiment of the present invention;

fig. 4 is a schematic view of an assembly structure of the sensor fixing bracket and the air conditioner according to the embodiment of the present invention;

fig. 5 is a schematic view of an assembly structure of the sensor fixing bracket and the heat exchanger according to the embodiment of the present invention;

fig. 6 is a partially enlarged structural view of a region a in fig. 5.

Description of reference numerals:

1-a sensor fixing support, 11-a fixing part, 111-a first claw, 111 a-an upper supporting foot, 111 b-a lower supporting foot, 112-a second claw, 112 a-a horizontal supporting foot, 112 b-a vertical supporting foot, 12-a containing groove, 121-a hollow part, 122-a limiting baffle, 122 a-a first baffle, 122 b-a second baffle, 123-a buckle, 13-a fixing cover plate, 131-a heat dissipation hole, 2-a temperature sensor, 3-a connecting line, 4-a heat exchanger, 41-a heat exchange tube and 5-a top cover.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

Example 1

As shown in fig. 1 to 6, a sensor fixing bracket 1 includes a fixing portion 11, a receiving groove 12, and a fixing cover plate 13:

the fixing part 11 is used for fixing the sensor fixing bracket 1 on the heat exchanger 4, the fixing part 11 comprises a first jaw 111 and a second jaw 112, the first jaw 111 is inserted into the heat exchanger 4 and connected with a heat exchange tube 41 in the heat exchanger 4, and the second jaw 112 is attached to the surface of the heat exchanger 4 to extend and is hooked on the heat exchanger 4;

the accommodating groove 12 is internally provided with a hollow accommodating cavity which is used for accommodating the temperature sensor 2, and one side of the accommodating groove 12 is open;

the fixed cover plate 13 covers the open side of the accommodating groove 12 to cooperate with the accommodating groove 12 to fix the temperature sensor 2 in the accommodating groove 12.

The sensor fixing support 1 is connected with the heat exchanger 4 through the first clamping jaw 111 and the second clamping jaw 112 respectively, so that the temperature sensor 2 can be firmly fixed on the heat exchanger 4, cannot rotate around the heat exchange tube 41 and is not easy to fall off; by matching the first clamping jaw 111 and the second clamping jaw 112, the second clamping jaw 112 bears most of the weight of the sensor fixing support 1 and the temperature sensor 2, so that the bearing capacity of the first clamping jaw 111 and the heat exchange tube 41 is greatly reduced, and the heat exchange tube 41 is not easy to crush; moreover, the second claw 112 limits the left-right swing of the first claw 111, so that the fins of the heat exchanger 4 are not easy to fall; finally, this application passes through the setting of fixed cover plate 13 has improved temperature sensor 2's installation stability for temperature sensor 2 is difficult for droing in the transportation.

Further, the fixing portion 11 is disposed at the upper end of the accommodating groove 12, and a bend is disposed between the fixing portion 11 and the accommodating groove 12, so that after the sensor fixing bracket 1 is fixed on the heat exchanger 4, a certain gap is formed between the accommodating groove 12 and the heat exchanger 4, and thus the ambient temperature detected by the temperature sensor 2 is more accurate.

Further, the second jaw 112 includes a horizontal leg 112a and a vertical leg 112b, the vertical leg 112b extends upward from the upper end of the receiving groove 12, the vertical leg 112b is attached to the vertical side wall of the heat exchanger 4, the horizontal leg 112a is connected to the upper end of the vertical leg 112b, and the horizontal leg 112a is attached to the horizontal upper surface of the heat exchanger 4. In this way, when the sensor fixing bracket 1 is mounted on the heat exchanger 4, the sensor fixing bracket 1 can be hooked on the heat exchanger 4 by the horizontal leg 112a and the vertical leg 112 b. And the horizontal supporting leg 112a and the vertical supporting leg 112b are combined with the heat exchanger 4 in a surface-to-surface mode, so that the contact area is large and the stability is high.

Preferably, the horizontal leg 112a and the vertical leg 112b are vertically connected, and a bend is formed between the vertical leg 112b and the receiving groove 12, so that when the sensor fixing bracket 1 is fixed on the heat exchanger 4, a certain gap is formed between the receiving groove 12 and a side wall of the heat exchanger 4.

Further, the air conditioner has a top cover 5, the top cover 5 covers the heat exchanger 4, and after the sensor fixing bracket 1 is fixed on the heat exchanger 4, the horizontal leg 112a is clamped between the top cover 5 and the heat exchanger 4, so that the horizontal leg 112a is not easily moved.

More preferably, the top cover 5 has a side wall extending downward, and when the sensor fixing bracket 1 is fixed on the heat exchanger 4, the side wall of the top cover 5 surrounds the periphery of the vertical leg 112b, so that the vertical leg 112b is not easily moved.

Further, the first jaw 111 includes an upper leg 111a and a lower leg 111b which are oppositely disposed, and when the sensor fixing bracket 1 is fixed on the heat exchanger 4, the upper leg 111a and the lower leg 111b are respectively clamped at two sides of the heat exchange tube 41.

When the heat exchange tube 41 is a horizontally arranged tube, the upper leg 111a and the lower leg 111b are respectively clamped at the upper and lower sides of the heat exchange tube 41.

When the heat exchange tube 41 is a vertically arranged tube, the upper leg 111a and the lower leg 111b are respectively clamped at the left and right sides of the heat exchange tube 41.

Further, the upper leg 111a and the lower leg 111b have semicircular grooves with open sides oppositely disposed, and when the sensor fixing bracket 1 is fixed on the heat exchanger 4, the heat exchange tube 41 is clamped in the semicircular grooves. Through the arrangement of the semicircular grooves, the upper supporting legs 111a and the lower supporting legs 111b are more stable in clamping the heat exchange tube 41, the upper supporting legs 111a and the lower supporting legs 111b can be installed in a guiding manner, so that the installation of the upper supporting legs 111a and the lower supporting legs 111b is more convenient and the installation position of the upper supporting legs 111a and the lower supporting legs 111b is more accurate, the upper and lower movement of the sensor fixing support 1 is limited through the second clamping jaws 112, the up-and-down and front-and-back movement of the sensor fixing support 1 is limited through the first clamping jaws 111, and the left-and-right swinging of the first clamping jaws 111 is limited through the surface-to-surface contact between the second clamping jaws 112 and the heat exchanger 4, so that the freedom degree of the sensor fixing support 1 is zero, and the complete fixation of.

Furthermore, one end of the temperature sensor 2 is connected with an electric control component in the air conditioner through a connecting wire 3. The connecting wire 3 is a connecting medium such as an electric wire.

Further, a plurality of hollow portions 121 are disposed on the accommodating groove 12, the hollow portions 121 are through holes disposed on the side wall or the bottom surface of the accommodating groove 12, and the external air can easily enter the accommodating groove 12 through the hollow portions 121, so that the data detected by the temperature sensor 2 is more accurate.

Further, one end of the accommodating tank 12 is provided with a limit baffle 122, and the limit baffle 122 is used for preventing the temperature sensor 2 from falling off from the accommodating tank 12.

Furthermore, the limiting baffle 122 includes a first baffle 122a and a second baffle 122b, the first baffle 122a and the second baffle 122b are oppositely disposed on two side walls of the accommodating groove 12, a gap is formed between the first baffle 122a and the second baffle 122b, and the connecting wire 3 passes through the gap between the first baffle 122a and the second baffle 122b and then is connected with an electric control component in the air conditioner.

The arrangement of the first baffle 122a and the second baffle 122b can prevent the temperature sensor 2 from falling off from the accommodating groove 12, and can enable the connecting wire 3 to pass through conveniently, and meanwhile, the connecting wire 3 can be limited by the first baffle 122a and the second baffle 122b, so that the connecting wire 3 is prevented from moving randomly, and the appearance is influenced and the temperature sensor 2 works normally.

Preferably, the first barrier 122a and the second barrier 122b have a horizontal interval and a height difference therebetween.

As an embodiment of the present application, the first baffle 122a is located above the second baffle 122b, and as shown in fig. 1, a horizontal distance between the first baffle 122a and the second baffle 122b is denoted as h1, and a height difference between the first baffle 122a and the second baffle 122b is denoted as h2, so that a value range of h1 is 3 to 10mm, and a value range of h2 is 3 to 10 mm.

More preferably, the value range of h1 is 5-8 mm, and the value range of h2 is 5-8 mm.

A bent outlet channel is formed at the end of the accommodating groove 12 by the first and

second baffles

122a and 122b, and the connecting wire 3 is bent and extends along the outlet channel. Because the outlet channel between the first baffle 122a and the second baffle 122b is provided with a bend, the connecting wire 3 can be further limited, so that the connecting wire 3 is clear and stable in wiring and is not easy to shake.

Further, one end of the accommodating groove 12 is rotatably connected with the fixed cover plate 13, and when the temperature sensor 2 is installed, the fixed cover plate 13 is rotated to open the accommodating groove 12; after the temperature sensor 2 is mounted, the fixing cover 13 is rotated again to close the housing groove 12.

Further, the one end of holding tank 12 sets up the rotation axis, set up rotatory hole on the fixed apron 13, the rotation axis can rotatably insert in the rotation hole, makes fixed apron 13 can wind the rotation axis upset is closed through rotatory lid on the holding tank 12, will the uncovered side of holding tank 12 seals, or will through the rotation the uncovered side of holding tank 12 is opened.

As an embodiment of the present application, as shown in fig. 1, the rotation shaft continuously extends from one side of the lower end of the receiving groove 12 to the opposite side along the horizontal direction, the rotation hole is a through hole penetrating through the fixed cover plate 13 along the horizontal direction, and the rotation shaft is inserted into the rotation hole to realize the rotatable connection between the fixed cover plate 13 and the receiving groove 12. When the fixed cover plate 13 is turned upwards, the fixed cover plate 13 can cover the accommodating groove 12 to close the open side of the accommodating groove 12; when the fixed cover 13 is turned downward, the fixed cover 13 can open the open side of the receiving groove 12.

As the embodiment of this application, the rotation axis is including setting up relatively the arch of holding tank 12 both sides, rotatory hole is for running through the through-hole of fixed apron 13 or not run through the blind hole of fixed apron 13, the rotation axis inserts in the rotatory hole, realize fixed apron 13 with rotatable coupling between the holding tank 12.

As an embodiment of the present application, the receiving groove 12 may also be slidably connected with the fixed cover plate 13. Specifically, the holding tank 12 is provided with a sliding groove, and the fixed cover plate 13 is slidably mounted in the sliding groove, so that the holding tank 12 is slidably connected with the fixed cover plate 13.

Preferably, a plurality of heat dissipation holes 131 are formed in the fixing cover plate 13, the heat dissipation holes 131 are through holes, and external air can easily enter the accommodating groove 12 through the heat dissipation holes 131, so that the detection result of the temperature sensor 2 is accurate.

Furthermore, a buckle 123 is arranged on the receiving groove 12, and the fixing cover plate 13 can be in buckle connection with the receiving groove 12 through the buckle 123, so that the fixing cover plate 13 cannot be opened randomly after the sensor fixing bracket 1 is assembled; when the temperature sensor 2 needs to be replaced or overhauled, the fixed cover plate 13 can be conveniently opened.

As an embodiment of the present application, the latch 123 may be a protrusion disposed on one side or both sides of the receiving groove 12.

During installation, as shown in fig. 2, firstly, the fixed cover plate 13 is opened, the temperature sensor 2 is installed in the accommodating groove 12, then the connecting wire 3 is installed between the first baffle plate 122a and the second baffle plate 122b along the wire outlet channel between the first baffle plate 122a and the second baffle plate 122b, then the fixed cover plate 13 is rotated, the fixed cover plate 13 is covered on the accommodating groove 12 and is clamped below the buckle 123, and then the installation between the temperature sensor 2 and the sensor fixing bracket 1 can be completed; then clamping the first clamping jaw 111 on the heat exchange tube 41 of the heat exchanger 4, hanging the second clamping jaw 112 on the heat exchanger 4, so that the horizontal supporting leg 112a is attached to the upper surface of the heat exchanger 4, and the vertical supporting leg 112b is attached to the side wall of the heat exchanger 4, and finally covering the top cover 5 on the heat exchanger 4, so that the horizontal supporting leg 112a is clamped between the top surfaces of the heat exchanger 4 and the top cover 5, and the vertical supporting leg 112b is located between the side walls of the heat exchanger 4 and the top cover 5, so that the installation between the sensor fixing bracket 1 and the air conditioner can be completed.

In addition, this application still provides an air conditioner, the air conditioner has foretell sensor fixed bolster.

In summary, it is easy to find that: the application sensor fixed bolster and air conditioner have simple structure, the assembly is convenient, and the sensor fixed bolster installation is stable, is difficult for flattening the pipeline, is difficult for leading to the heat exchanger fin to appear the falling piece to and temperature sensor fixes firmly, is difficult for the advantage that drops.

Although the present invention is disclosed above, the present invention is not limited thereto. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 present invention. In this specification, the schematic representations of the terms used above do not necessarily refer 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. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.

Claims

1. A sensor fixing bracket, characterized in that, sensor fixing bracket (1) includes fixed part (11), holding tank (12) and fixed apron (13):

a plurality of clamping jaws are arranged on the fixing part (11), and the clamping jaws are used for fixing the sensor fixing support (1) on the heat exchanger (4);

the accommodating groove (12) is internally provided with a hollow accommodating cavity which is used for accommodating the temperature sensor (2), and one side of the accommodating groove (12) is open;

the fixed cover plate (13) covers the open side of the accommodating groove (12) so as to fix the temperature sensor (2) in the accommodating groove (12).

2. Sensor fixing bracket according to claim 1, characterized in that the receiving groove (12) is rotatably connected with the fixing cover plate (13).

3. Sensor fixing bracket according to claim 1, characterized in that the receiving groove (12) is in sliding connection with the fixing cover plate (13).

4. Sensor fixing bracket according to claim 1 or 2 or 3, characterized in that the fixing cover plate (13) is snap-connected with the receiving groove (12).

5. The sensor fixing bracket according to claim 1, wherein the fixing cover plate (13) is provided with a plurality of heat dissipation holes (131).

6. Sensor fixing bracket according to claim 1, characterized in that the end of the receiving groove (12) is provided with a limit stop (122).

7. The sensor fixing bracket according to claim 6, wherein the limit baffle (122) comprises a first baffle (122a) and a second baffle (122b), the first baffle (122a) and the second baffle (122b) are oppositely arranged in the accommodating groove (12), a gap is formed between the first baffle (122a) and the second baffle (122b), and the connecting wire (3) of the temperature sensor (2) passes through the gap.

8. The sensor fixing bracket according to claim 7, wherein the first shutter (122a) and the second shutter (122b) have a horizontal spacing and a height difference therebetween.

9. The sensor fixing bracket according to claim 8, wherein a horizontal distance between the first baffle plate (122a) and the second baffle plate (122b) is denoted as h1, and a height difference between the first baffle plate (122a) and the second baffle plate (122b) is denoted as h2, so that the value of h1 is 5-8 mm, and the value of h2 is 5-8 mm.

10. The sensor fixing bracket according to claim 6, wherein the fixing cover plate (13) and the limit stop (122) are oppositely disposed at both ends of the receiving groove (12).

11. The sensor fixing bracket according to claim 1, characterized in that the jaws comprise a first jaw (111) and a second jaw (112), the first jaw (111) is inserted into the heat exchanger (4) and connected with a heat exchange tube (41) in the heat exchanger (4), the second jaw (112) extends along the surface of the heat exchanger (4) and is hooked on the heat exchanger (4), the first jaw (111) comprises an upper supporting leg (111a) and a lower supporting leg (111b) which are oppositely arranged, and the upper supporting leg (111a) and the lower supporting leg (111b) are respectively clamped at two sides of the heat exchange tube (41).

12. The sensor fixing bracket according to claim 11, wherein the upper leg (111a) and the lower leg (111b) have semicircular grooves with open sides oppositely disposed, and the heat exchange tube (41) is clamped in the semicircular grooves.

13. An air conditioner, characterized in that the air conditioner has the sensor fixing bracket according to any one of claims 1 to 12.