CN215931081U

CN215931081U - Fixed bolster and detector

Info

Publication number: CN215931081U
Application number: CN202121603864.4U
Authority: CN
Inventors: 刘雪锋
Original assignee: Zhejiang Huaxiao Technology Co ltd
Current assignee: Zhejiang Huaxiao Technology Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2022-03-01
Anticipated expiration: 2031-07-14

Abstract

The utility model relates to a fixed support and a detector, wherein the fixed support comprises a base and a cantilever, and the base and the cantilever are rotatably connected along a rotating axis; the base comprises a first connecting plate, and a first bulge is arranged on the side surface of the first connecting plate; the cantilever includes first cantilever curb plate, a plurality of first recesses have been seted up to the side of first cantilever curb plate, a plurality of first recesses are along axis of rotation circumference equipartition, first arch is used for cooperating with first recess joint, with when first protruding joint in a first recess, with base and cantilever fixed connection, and with when first arch breaks away from first recess, base and cantilever rotate relatively, with the accurate rotation that can realize cantilever and base, and can realize that cantilever and base are firm to be connected, can not produce between the two and slide.

Description

Fixed bolster and detector

Technical Field

The utility model relates to the technical field of detectors, in particular to a fixing support and a detector.

Background

The flame detector is mounted through the mounting structure, and the mounting structure needs to be adjusted to align the probe of the detector with the target area in order to monitor the target area by the probe of the detector. Typically, the probe head is adjusted in the vertical plane by varying the angle between the cantilever and the base in the vertical plane.

In the prior art, the cantilever and the base need to be fixed by screwing and combining friction force so as not to generate relative displacement, namely, the cantilever and the base are locked by the screw, and meanwhile, the cantilever rotates around the screw connected with the base so as to realize the adjustment of the detector on a vertical surface and realize the fixation of the cantilever and the base by means of the friction force.

The formula for the friction force is: and f is equal to mu N, wherein mu is a friction coefficient, and N is positive pressure. In some complex environments, such as random vibration, the screw may loosen slowly, such that the positive pressure is gradually reduced, resulting in reduced friction. Furthermore, as time increases, the threads of the screw wear, and the coefficient of friction μ also gradually decreases, resulting in a reduction in friction. When the friction force cannot balance the gravity, relative sliding is generated between the cantilever and the base, so that the target area cannot be monitored.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a fixing bracket and a probe including the same, aiming at the problem that a cantilever of a base in the fixing bracket is easy to slide after being fixed by a screw.

A fixed support for a detector comprises a base and a cantilever, wherein the base is rotatably connected with the cantilever along a rotation axis;

the base comprises a first connecting plate, and a first bulge is arranged on the side surface of the first connecting plate;

the cantilever includes first cantilever curb plate, a plurality of first recesses have been seted up to the side of first cantilever curb plate, and is a plurality of first recess is along axis of rotation circumference equipartition, first arch be used for with the cooperation of first recess joint, with first protruding joint in one during the first recess, will the base with cantilever fixed connection, and with first arch breaks away from during the first recess, the base with cantilever relative rotation.

So set up, the fixed bolster is provided with first arch on first connecting plate, be provided with first recess on the first cantilever curb plate, when making first connecting plate and first cantilever curb plate connect, can establish first protruding card on the first connecting plate in the first recess of first cantilever curb plate, make the fixed bolster carry out contained angle on cantilever and the base vertical position around adjusting (before and after the position control on the vertical face of detector body promptly), cantilever and base also can not produce the slip, avoid the relative displacement that produces and can't carry out the problem monitored to the target area.

In one embodiment, the cantilever further comprises a second cantilever side plate parallel to the first cantilever side plate;

the fixed bolster still includes adjusting part, adjusting part including set up in the screw hole of second cantilever curb plate, set up in first connecting plate with the first through-hole that the screw hole corresponds, and the adaptation in the adjusting screw of screw hole, adjusting screw passes first through-hole threaded connection in the screw hole, with when adjusting screw rotates, drive first cantilever curb plate orientation first connecting plate removes for first arch with first recess joint cooperation.

So set up, can realize that the cantilever is rotatory round its and base junction, and the simple operation.

In one embodiment, the adjusting assembly further includes a locking washer, and the locking washer is sleeved on the adjusting screw and located between the outer side surface of the first cantilever side plate and the end of the adjusting screw.

Wherein, the check washer can prevent the risk of the pine that the vibration of rotatory cantilever etc. in-process brought from taking off.

In one embodiment, the adjusting assembly further comprises nuts, and the nuts are sleeved at two ends of the adjusting screw.

Wherein, the nut can carry on spacingly to adjusting screw, avoids adjusting screw to back out each aperture in base and the cantilever.

In one embodiment, the fixing bracket further comprises a locking assembly, the locking assembly comprises a second through hole formed in the first connecting plate and a set screw, and the set screw is used for penetrating through the second through hole and partially inserted into the first groove.

So set up, holding screw can insert to first recess in, prevents the relative slip that first arch and the unable meshing of first recess caused, the antiskid that further plays.

In one embodiment, the first grooves are strip-shaped, a plurality of first grooves are uniformly distributed along the periphery of the threaded hole, and the length direction of each strip-shaped first groove is arranged along the radial direction of the threaded hole;

the first bulges are strip-shaped, and one first bulge is arranged; or the first bulge is strip-shaped, the first bulges are multiple, and each bulge is arranged corresponding to one first groove.

In one embodiment, the included angle of the center line of every two adjacent first grooves is 10 degrees, so that the rotation requirement required by actual working conditions is met.

In one embodiment, the cantilever further comprises a cantilever bottom plate, two ends of the cantilever bottom plate are respectively connected with the bottom ends of the first cantilever side plate and the second cantilever side plate, and the cantilever bottom plate fixes the detector body on the cantilever through a fixing screw.

By the arrangement, after the cantilever and the detector body are fixed through the fixing screw, relative displacement in the horizontal direction can be prevented.

In one embodiment, a plurality of second grooves are formed in the bottom end of the cantilever base plate and are uniformly distributed along the circumferential direction of the fixing screws, and the second grooves are used for being matched with the top of the detector body in a clamping mode, so that when the detector body is clamped in one of the second grooves, the detector body is fixedly connected with the cantilever base plate, and when the detector body is separated from the second grooves, the detector body and the cantilever rotate relatively.

In one embodiment, the included angle between the middle lines of every two adjacent second grooves is 6 degrees.

A detector comprises a detector body and the fixing support, wherein the detector body can be assembled on the fixing support.

Drawings

FIG. 1 is an exploded view of a mounting bracket according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a base in an embodiment of the utility model;

FIG. 3 is a front view of the cantilever in an embodiment of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a right side view of the cantilever according to an embodiment of the present invention;

FIG. 6 is a bottom view of the cantilever in an embodiment of the present invention;

fig. 7 is an enlarged view of a portion B in fig. 6;

fig. 8 is a schematic structural diagram of a detector in an embodiment of the utility model.

Reference numerals: 1. fixing a bracket; 11. a base; 111. a first connecting plate; 112. a second connecting plate; 113. a first protrusion; 114. a first through hole; 115. a second through hole; 12. a cantilever; 121. a first cantilever side plate; 122. a second cantilever side plate; 123. a cantilever floor; 124. a second protrusion; 125. a first groove; 126. a second groove; 127. a threaded hole; 13. tightening the screw; 141. an adjusting screw; 142. steel jacket; 143. a lock washer; 144. a nut; 15. a set screw; 2. a probe body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

The present embodiment discloses a fixing bracket 1, as shown in fig. 1, comprising a base 11 and a cantilever 12, wherein the base 11 and the cantilever 12 are rotatably connected along a rotation axis.

As shown in fig. 2, the base 11 includes a first connection plate 111, wherein a first protrusion 113 is provided on a side surface of the first connection plate 111.

As shown in fig. 3, the cantilever 12 includes a first cantilever side plate 121, and as shown in fig. 4, a plurality of first grooves 125 are formed in a side surface of the first cantilever side plate 121, and the plurality of first grooves 125 are circumferentially and uniformly distributed along the rotation axis.

When the first protrusion 113 is used for being snap-fitted with the first groove 125, the base 11 and the cantilever 12 are fixedly connected when the first protrusion 113 is snap-fitted with the first groove 125.

When the first protrusion 113 is disengaged from the first groove 125, the remaining suspension arms 12 of the base 11 move relatively.

The fixed bolster in this embodiment, through the joint of first protruding 113 on first connecting plate 111 and first recess 125 of first cantilever curb plate 121 for base 11 and cantilever 12 can both be fixed with base 12 before and after carrying out rotation regulation, can not lead to it to produce because the frictional force between base 11 and cantilever 12 is less than gravity and slides, and then produces relative displacement between messenger's base 11 and the cantilever 12.

In this embodiment, as shown in fig. 5, the cantilever further includes a second cantilever side plate 122, and the second cantilever side plate 122 is parallel to the first cantilever side plate 121.

In this embodiment, the base 11 further includes a second connecting plate 112 and a connecting bottom plate, wherein the first connecting plate 111 and the second connecting plate 112 are disposed in parallel, and two ends of the connecting bottom plate are respectively connected to top ends of the first connecting plate 111 and the second connecting plate 112.

In this embodiment, the fixing bracket further includes an adjusting assembly, the adjusting assembly includes a threaded hole 127 disposed in the second cantilever side plate 122, a first through hole 114 disposed in the first connecting plate 111 and corresponding to the threaded hole 127, and an adjusting screw 141 adapted to the threaded hole 127, the adjusting screw 141 passes through the first through hole 114 and is in threaded connection with the threaded hole 127, so that when the adjusting screw rotates, the first cantilever side plate 121 is driven to move toward the first connecting plate 111, so that the first protrusion is in clamping fit with the first groove 125.

In this embodiment, the adjusting assembly further includes a steel sleeve 142, and the steel sleeve 142 is sleeved on the adjusting screw 141 and located between the first cantilever side plate 121 and the second cantilever side plate 122 for strengthening and supporting the inner sides of the first cantilever side plate 121 and the second cantilever side plate 122.

In this embodiment, the adjusting assembly further includes a locking washer 143, and the locking washer 143 is disposed on the adjusting screw 141 and located between the outer side surface of the first cantilever side plate 121 and the end of the adjusting screw 141. The lock washer 143 can prevent the risk of loosening due to vibration during rotation of the cantilever 12 or the like, and can also prevent relative sliding in the locked state.

In this embodiment, the adjusting assembly further includes a nut 144, the nut 144 is sleeved at two ends of the adjusting screw 141, the nut 144 is used for limiting the adjusting screw 141, and the risk that the adjusting screw 141 is screwed out of each small hole in the base 11 and the cantilever 12 and the detector body 2 falls off is avoided.

In this embodiment, the number of the nuts 144 is two, one of the nuts 144 is fixedly disposed at one end of the adjusting screw 141, and the other nut 144 is screwed to the other end of the adjusting screw 141 by rotation.

In this embodiment, the fixing bracket further comprises a locking component, the locking component comprises a second through hole 115 opened in the first connecting plate 111 and a set screw 13, and the set screw 13 is used for passing through the second through hole 115 and partially inserted into the first groove 125.

The set screw 13 can be inserted into the first groove 125 to prevent the first protrusion 113 from sliding relative to the first groove 125 due to the non-engagement, and can further prevent the sliding.

Wherein the second through hole 115 is provided around the first protrusion 113 so that the set screw 13 can be inserted into the adjacent first groove 125 engaged with the first protrusion 113.

As shown in fig. 2, the first grooves 125 are strip-shaped, the plurality of first grooves 125 are uniformly distributed along the circumference of the threaded hole 127, and the length direction of each strip-shaped first groove 125 is arranged along the radial direction of the threaded hole 127.

As shown in fig. 4, the plurality of first grooves 125 are uniformly distributed and formed in a ring shape, so that the cantilever 12 can rotate around the joint with the base 11 at multiple angles, and the monitoring range of the detector connected to the cantilever 12 can be increased.

The first protrusions 113 are strip-shaped, and one first protrusion 113 is provided; or the first protrusion 113 is a strip, the first protrusion 113 is multiple, and each protrusion is disposed corresponding to one of the first grooves 125.

In this embodiment, the first protrusions 113 are strip-shaped, and the number of the first protrusions 113 is one, and the requirement for fixedly connecting the cantilever 12 and the base 11 can be satisfied by providing one first protrusion 113.

In this embodiment, as shown in fig. 4, an included angle a between center lines of every two adjacent first grooves 125 is 10 degrees. The minimum unit of the cantilever 12 for rotation adjustment on the vertical surface is 10 degrees, the requirement required by actual working conditions can be met, the angle can be accurately adjusted, and frequent debugging is not needed.

Of course, the included angle of the center line of each two adjacent first grooves 125 may also be set to other angles, and the specific angle is determined according to the actual working condition.

In the present embodiment, the rotation of the cantilever 12 in the vertical plane is adjusted as follows.

First, the adjustment screw 141 is brought into a relaxed state, and then the cantilever 12 is rotated to adjust the angle of its connection with the base 11. After the angle is adjusted to a proper angle, the adjusting screw 141 is tightened, and the threaded hole 127 on the second cantilever side plate is utilized, and the cantilever 12 is driven to move in the direction close to the first connecting plate 111 through the matching of the adjusting screw 141 and the threaded hole 127, so that the first groove 125 on the right side of the cantilever 12 is engaged with the first protrusion 113 of the base 11, and the fixation of the cantilever 12 and the base 11 is realized.

To prevent the risk of loosening caused by vibration, a locking washer 143 is added inside the cantilever 12 and the adjusting screw 141. Meanwhile, a set screw 13 is added on the cantilever 12, and when the set screw 13 is screwed, the top of the set screw is embedded into the first groove 125 on the inner side of the cantilever 12, so as to prevent the relative sliding caused by the fact that the first protrusion 113 of the base 11 cannot be engaged with the first groove 125 of the cantilever 12.

In addition, according to the requirement of actual working conditions, the included angle of the center line of every two adjacent first grooves 125 is 10 degrees, so that the minimum unit of rotation adjustment of the detector body 2 connected with the cantilever 12 in the vertical direction is 10 degrees.

In this embodiment, the cantilever 12 further includes a cantilever bottom plate 123, wherein two ends of the cantilever bottom plate 123 are respectively connected to the bottom ends of the first cantilever side plate 121 and the second cantilever side plate 122, and the cantilever bottom plate 123 fixes the detector body 2 on the cantilever 12 through the fixing screw 15.

As shown in fig. 6 and 7, a plurality of second grooves 126 are provided on the bottom end of the cantilever base plate 123, the plurality of second grooves 126 are circumferentially and uniformly distributed along the fixing screw 15, the second grooves 126 are used for being in clamping fit with the top of the probe body 2, so that when the probe body 2 is clamped in one second groove 126, the probe body 2 is fixedly connected with the cantilever base plate 123, and when the probe body 2 is separated from the second groove 126, the probe body 2 and the cantilever 12 rotate relatively. Set up a plurality of second recesses 126 in the bottom of cantilever bottom plate 123, through its cooperation with the top joint of detector body 2, can prevent that cantilever 12 and detector body 2 from taking place relative displacement on the horizontal direction.

In this embodiment, as shown in fig. 7, an included angle β between central lines of every two adjacent second grooves 126 is 6 degrees, and the included angle enables a minimum unit of horizontal rotation adjustment of the detector body 2 connected thereto to be 6 degrees, so that a rotation requirement in a horizontal direction required by an actual working condition can be met.

In this embodiment, the cantilever base plate 123 is provided with a base plate aperture, and the fixing screw 15 passes through the base plate aperture to connect the cantilever base plate 123 and the detector body 2.

Specifically, the horizontal rotation adjustment of the probe body 2 is as follows.

Firstly, the fixing screw 15 is loosened, the detector body 2 can rotate around the fixing screw 15, after the suitable angle is adjusted, the fixing screw 15 is screwed down, the second groove 126 of the cantilever bottom plate 123 is meshed with the protrusion at the top of the detector body 2, and the detector body 2 and the fixing support 1 are fixed.

The fixed bolster of this embodiment can be around cantilever 12 and the ascending contained angle of base 11 vertical direction is adjusted (before and after the position control on the vertical face of detector body 2 promptly), and cantilever 12 and base 11 also can not produce the slip, avoids the relative displacement of production and can't carry out the problem monitored to the target area.

The present embodiment further discloses a probe, as shown in fig. 8, including a probe body 2 and the fixing bracket 1 in any of the above embodiments, where the probe body 2 can be assembled to the fixing bracket. For example, the fixing bracket is assembled on a wall, so that the detector body 2 can be adjustably fixed on the wall through the fixing bracket.

Specifically, the base 11 of the fixing bracket 1 is mounted on a wall surface or hung on a top wall through a tapping screw wall so as to serve as a foundation support of the whole machine. Generally, four tapping screws are used.

The detector in this embodiment is provided with the fixing support, so that the base and the cantilever of the fixing support do not slide, the detector body can be stably adjusted in the vertical direction, and the detector can monitor a target area.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A fixed support for a detector is characterized by comprising a base and a cantilever, wherein the base is rotatably connected with the cantilever along a rotating axis;

2. The fixing bracket of claim 1,

the cantilever further comprises a second cantilever side plate, and the second cantilever side plate is parallel to the first cantilever side plate;

3. The fixing bracket of claim 2,

the adjusting assembly further comprises a check washer, and the check washer is sleeved on the adjusting screw and located between the outer side face of the first cantilever side plate and the end of the adjusting screw.

4. The fixing bracket of claim 2,

the adjusting component further comprises nuts, and the nuts are sleeved at two ends of the adjusting screw.

5. The fixing bracket according to any one of claims 1 to 4,

the fixing support further comprises a locking assembly, the locking assembly comprises a second through hole formed in the first connecting plate and a set screw, and the set screw is used for penetrating through the second through hole and partially inserted into the first groove.

6. The fixing bracket according to claim 2, wherein the first grooves are strip-shaped, a plurality of the first grooves are uniformly distributed along the circumference of the threaded hole, and the length direction of each strip-shaped first groove is arranged along the radial direction of the threaded hole;

7. The fixing bracket as claimed in claim 6, wherein the included angle of the median line of every two adjacent first grooves is 10 degrees.

8. The fixed bracket of claim 2, wherein the cantilever further comprises a cantilever base plate, two ends of the cantilever base plate are respectively connected to the bottom ends of the first cantilever side plate and the second cantilever side plate, and the cantilever base plate fixes the detector body on the cantilever through a fixing screw.

9. The fixing bracket according to claim 8, wherein a plurality of second grooves are formed in the bottom end of the cantilever base plate, the plurality of second grooves are uniformly distributed along the circumferential direction of the fixing screw, and the second grooves are used for being in clamping fit with the top of the detector body, so that when the detector body is clamped in one of the second grooves, the detector body is fixedly connected with the cantilever base plate, and when the detector body is separated from the second grooves, the detector body and the cantilever rotate relatively.

10. The fixing bracket as claimed in claim 9, wherein the included angle of the median line of every two adjacent second grooves is 6 degrees.

11. A probe comprising a probe body and further comprising a mounting bracket according to any of claims 1 to 10, the probe body being mountable to the mounting bracket.