CN204226430U - Made up sliding rail - Google Patents

Abstract

The utility model relates to an assembled sliding track, which relates to the field of auxiliary mechanical devices for medical audiometry. The main purpose of the utility model is to adjust the position of an external sound box through the assembled sliding track so that it has the ability to change angles. Mainly adopt the technical solution: an assembled slide track, including a first connecting piece and a track assembly. The first connecting part is provided with a connecting part and a sliding part, the former is used for connecting the external sound box, and the connection is detachable; the latter allows the first connecting part to slide on the sliding surface. The track assembly includes a bracket and a second connecting piece, wherein the second connecting piece is arranged on the bracket and is provided with a splicing structure, a limiting structure and a sliding part. The limiting structure is used to limit the first connecting piece so that it can slide along a preset track on the sliding surface; the first connecting piece can slide on the sliding surface through the sliding portion. The utility model is mainly used for adjusting the angular position of the sound box during the hearing test to meet the corresponding test conditions.

Description

Assembled sliding track

technical field

The utility model relates to the technical field of auxiliary mechanical devices for medical audiometry, in particular to an assembled sliding track capable of adjusting the angular position of an external sound box.

Background technique

In the process of sound source localization research in the audiometry room, a speaker with a fixed position is generally used to measure the subject's ability to localize the sound source at that position. However, in this study, due to the fixed position of the speaker, it is impossible to flexibly change the position of the sound source to measure the test parameters such as the minimum angle discrimination threshold of the subject to the sound, where the discrimination threshold refers to the ability of the auditory system to distinguish between two different The ability of a sound to have minimal variation in some characteristic. The human auditory system's discrimination of the smallest angle of sound has certain significance in the fields of language recognition, communication and music. Moreover, during the audiometry process, the speakers at different positions have different spectral characteristics of the sounds received from different speakers compared to the subject's position due to wall reflections, which interferes with the test results. Therefore, it is urgent to design a track that can carry the speaker, so that the position of the speaker in the listening room can be changed, and the interference of the wall reflection on the sound quality of the speaker can be eliminated, so that the minimum angle discrimination of the subject to the sound can be measured through the change of the position of the speaker. Threshold and other test parameters.

Utility model content

In view of this, the utility model provides an assembled sliding track, the main purpose of which is to adjust the position of the sound box through the assembled sliding track, so that the sound box has the ability to change the angle.

In order to achieve the above object, the utility model mainly provides the following technical solutions:

On the one hand, the embodiment of the present utility model provides an assembled sliding track, which includes a first connector and a track assembly, and the track assembly includes a bracket and a second connector arranged on the bracket;

The second connector is provided with a sliding surface, a limiting structure, and a splicing structure, and the splicing structure is used to detachably connect the two track assemblies, and keep the sliding surfaces of the assembled two track assemblies aligned. connect;

The first connecting piece is provided with a sliding part and a connecting part, the connecting part is used for detachable connection with the sound box, the first connecting piece is slid on the sliding surface through the sliding part, and the limiting The structure is used to limit the sliding of the first connecting part along the preset track on the sliding surface.

The purpose of the utility model and the solution to its technical problems can also be further realized by adopting the following technical measures.

In the aforementioned assembled sliding track, wherein there are multiple track components, two adjacent track components are connected by the splicing structure, and sliding surfaces of two adjacent track components are connected to each other.

The aforementioned assembled sliding track further includes a positioning device for positioning the first connecting part when the first connecting part slides to a preset position along the preset track.

In the aforementioned assembled sliding track, wherein the splicing structure includes joints, and two ends of the second connecting piece are respectively provided with one joint, and the joints are used for connecting two adjacent track components when they are spliced together. The corresponding joints on the track assembly are connected.

In the aforementioned assembled sliding track, wherein, the splicing structure includes a positioning protrusion provided at one end of the second connecting piece, and the other end of the second connecting piece is provided with a positioning protrusion matching the positioning protrusion. The positioning protrusion is used for inserting into the corresponding positioning groove on the adjacent track components when the two track components are spliced together.

In the aforementioned assembled sliding track, wherein, the connecting part includes an accommodating tray, and the accommodating tray is used for installing and fixing the bottom of the sound box;

An elastic piece is arranged inside the accommodating tray, and the elastic piece is used for conflicting with the bottom of the sound box.

In the aforementioned assembled sliding track, wherein the limiting structure includes a limiting groove, the limiting groove includes a first side wall and a second side wall opposite to the first side wall, and the first side wall A first protrusion is provided, a second protrusion is provided on the second side wall, and the preset track is formed between the first protrusion and the second protrusion;

One end of the first connecting piece is provided with a through first chute, and the other end of the first connecting piece is provided with a through second chute;

The first protrusion passes through the first chute and can slide relative to the side wall of the first chute;

The second protrusion passes through the second chute and can slide relative to the side wall of the second chute.

The aforementioned assembled sliding track, wherein,

The outer shape of the second connecting piece is arc-shaped;

The inner wall of the second connecting part is provided with an arc-shaped sound-transmitting curtain, and the arc-shaped sound-transmitting curtain is used to shield the sound box installed on the connecting part.

The aforementioned assembled sliding track, wherein,

The outer wall of the second connecting piece is provided with an arc-shaped sound-absorbing plate, which is used for reducing and homogenizing the rear reflection of the sound of the sound box installed on the connecting part .

In the aforementioned assembled slide track, the outer surfaces of the first connecting piece and the track assembly are both coated with a layer of sound-absorbing material.

By means of the above technical solution, the assembled sliding track of the utility model has at least the following advantages:

1. Because the first connecting part is provided with a connecting part and a sliding part, the connecting part can be detachably connected to the speaker, and the sliding part can slide along the sliding surface of the second connecting part, so that the speaker can pass through the second connecting part after being connected to the first connecting part. The first connecting piece slides on the sliding surface of the second connecting piece, the position of the sound box can be adjusted, and the angle can be changed. Therefore, in the sound source localization research, test parameters such as the minimum angle discrimination threshold of the subject to the sound can be measured through the change of the speaker position.

2. The inner curved curtain is used to block the speakers and eliminate the influence of vision on the test. The sound-absorbing material layer coated on the outer surface of the first connecting piece and the track assembly, and the arc-shaped sound-absorbing board provided on the outer ring of the second connecting piece are used to reduce the sound reflection caused by the walls of the test room. Effects of spectral changes on testing.

The above description is only an overview of the technical solution of the utility model. In order to understand the technical means of the utility model more clearly and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with accompanying drawings. back.

Description of drawings

Fig. 1 is a schematic structural diagram of an assembled sliding track provided by an embodiment of the present invention;

Fig. 2 is a schematic structural diagram of an assembled sliding track with hidden brackets provided by another embodiment of the present invention;

Fig. 3 is a schematic diagram of a connection structure between a tray of an assembled sliding track and a sound box provided by another embodiment of the present invention.

Detailed ways

In order to further explain the technical means and effects of the utility model to achieve the intended purpose of the utility model, the specific implementation, structure, features and effects of the utility model application are described in detail below in conjunction with the accompanying drawings and preferred embodiments. The description is as follows. In the following description, different "one embodiment" or "embodiment" do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.

As shown in FIG. 1 , an assembled sliding track proposed by an embodiment of the present invention includes a first connecting piece 1 and a track assembly 2 . The track assembly 2 includes a bracket 21 and a second connecting piece 22 . The second connecting part 22 is disposed on the bracket 21 , and the second connecting part 22 has a sliding surface 221 . Wherein, the bracket 21 is mainly used to provide support for the second connecting member 22 .

As shown in FIG. 2 , the second connector 22 is provided with a splicing structure 222, and the splicing structure 222 is used to detachably connect the two track assemblies 2, and keep the sliding surfaces 221 of the assembled two track assemblies 2 connected, So that the first connecting member 1 can slide from the sliding surface 221 of one track assembly 2 to the sliding surface 221 of the other track assembly 2 .

As shown in Figure 1, the first connecting part 1 is provided with a sliding part 11, and the first connecting part 1 is slid on the sliding surface 221 through the sliding part 11; the first connecting part 1 is also provided with a connecting part, and the connecting part is used for 10 detachable connections. Here, “sliding” means that the sliding part 11 can slide on the sliding surface 221 . "Detachable connection" means that both the connecting part and the sound box 10 can be assembled and fixed, and can be disassembled and separated.

The second connecting part 22 is provided with a limiting structure, and the limiting structure is used to limit the sliding of the first connecting part 1 on the sliding surface 221 along a preset track.

Wherein, after the sound box 10 is installed on the first connecting piece 1, the sound box 10 can slide on the sliding surface 221 of the second connecting piece 22 through the first connecting piece 1, so that the position of the sound box 10 can be adjusted, so that the sound box 10 has the ability to change the angle. ability. In the sound source localization research, test parameters such as the smallest discernible angle of the sound to the subject can be measured through the change of the position of the speaker 10 .

In addition, since the track assembly 2 can be detachably connected through the provided splicing structure 222, each track assembly 2 can be disassembled and separated into individual parts during transportation, which is convenient for transportation. 2. Assembled and fixed, the operation is more convenient; at the same time, when a single track assembly 2 is damaged, it can be disassembled for maintenance or replacement in time. Compared with the non-detachable structure in the prior art, its transportation and maintenance costs are lower.

Further, in one embodiment, as shown in FIG. 2, the number of the aforementioned track assemblies 2 is multiple, and two adjacent track assemblies 2 are connected by a splicing structure 222, and the sliding surfaces 221 of the adjacent two track assemblies 2 are connected to each other. connect. Specifically, when two adjacent track assemblies 2 are spliced, the sliding surfaces 221 of the two adjacent track assemblies 2 transition smoothly, and the first connecting member 1 can slide on the sliding surfaces of the two spliced two track assemblies 2 through the sliding portion 11. 221 on the slide. Wherein, one or more track components 2 can be additionally assembled or disassembled through the splicing structure 222 as required, so that the length of the preset track on the sliding surface 221 can be lengthened or shortened, and the operation is more convenient. In addition, since a plurality of track assemblies 2 are detachably connected through the splicing structure 222, the assembled sliding track provided by the embodiment of the utility model can be disassembled and transported, and the volume occupied during the transport is small and the transport is more convenient.

Further, in one embodiment, the aforementioned second connecting member 22 is a sliding rail, and correspondingly, the first connecting member 1 is a sliding block, and the sliding block is slidably arranged on the sliding rail.

Further, in one embodiment, as shown in FIG. 2 , the aforementioned preset track is arc-shaped, and a plurality of track assemblies 2 can be spliced together to form a circular preset track. Wherein, when the assembled sliding track provided by the embodiment of the present invention is installed on the external audiometry chamber, when the test subject is at the center of the aforementioned arc-shaped preset track, the sound box 10 installed on the assembled sliding track moves along the During the movement of the preset trajectory, the distance between the speaker 10 and the subject remains unchanged, so that the minimum angle discrimination valve of the subject can be measured within the same distance from the middle position of the human ears, which improves the minimum angle. Measurement accuracy of angle discriminative valves.

Further, in the study of sound source localization, in order to keep the sound box 10 fixed when it moves to the preset position, as shown in Figure 2, the utility model also provides the following embodiment: the aforementioned assembled sliding track also includes positioning The device 3, the positioning device 3 is used for positioning the first connecting part 1 when the first connecting part 1 slides to a preset position along a preset track.

Specifically, during implementation, the positioning device 3 can also be a plurality of grooves provided on the sliding surface 221 of the second connecting member 22, and the plurality of grooves are arranged at intervals on the sliding surface 221 along a preset track. When the first connection When the piece 1 slides to the groove along the preset track, the first connecting piece 1 is clamped in the groove and remains fixed. At this time, a large force needs to be applied to push the first connecting piece 1 along the preset track keep moving. Wherein, the specific structure of the positioning device 3 is not limited to the settings in this embodiment, and can be specifically set according to the actual needs of the user.

What needs to be added here is that the function of the aforementioned positioning device 3 can also be realized by the frictional resistance between the first connecting piece 1 and the limiting structure, for example, the transition fit between the first connecting piece 1 and the limiting structure, the two There is a certain frictional resistance between them, and the first connecting piece 1 can remain relatively fixed on the sliding surface 221 under the action of the frictional resistance; Apply a large force to overcome the frictional resistance mentioned above.

Further, in order to realize the function of the aforementioned splicing structure 222, as shown in FIG. There is a joint, and the joint is used to connect with the corresponding joint on the adjacent track assembly 2 when two track assemblies 2 are spliced together. Specifically, during implementation, each joint is provided with a connecting hole for external bolts to pass through. When two track assemblies 2 are spliced together, the joints on the two track assemblies 2 are fixed by bolts, so that the two track assemblies 2 are also be fixed.

Wherein, in another embodiment, the aforementioned splicing structure 222 is not limited to the above-mentioned arrangement, and the splicing structure 222 may also include a positioning protrusion arranged at one end of the second connecting piece 22, and the other end of the second connecting piece 22 is provided with a The positioning protrusion matches the positioning groove, and the positioning protrusion is used to insert into the corresponding positioning groove on the adjacent track assembly 2 when two track assemblies 2 are spliced together. Wherein, the positioning protrusion is inserted into the corresponding positioning groove of the adjacent track assembly 2 as a part of the second connecting member 22, so that the connection between the two is tighter and not easy to loosen.

Further, in order to realize the function of the aforementioned connecting part, as shown in Figure 3, the utility model also provides the following embodiment: the connecting part includes an accommodating tray 4, the accommodating tray 4 is arranged on the first connecting part 1, and the accommodating tray 4 is used for installing and fixing the bottom of the sound box 10 for the bottom of the sound box 10.

What needs to be added here is: the aforesaid accommodating tray 4 includes an accommodating groove, and the depth of the accommodating groove is very shallow, and it is only installed on the bottom of the sound box 10. After the bottom of the sound box 10 is installed in the accommodating groove, the sound of the sound box 10 The part is located outside the accommodating groove, which can effectively ensure the sound quality of the sound box 10 and prevent the sound quality of the sound box 10 from being disturbed and changed.

An elastic member (not shown in the figure) is provided inside the receiving tray 4 , and the elastic member is used to be in contact with the bottom of the sound box 10 . Specifically, during implementation, the bottom of the sound box 10 is installed in the receiving tray 4 , one end of the elastic member is connected to the bottom of the sound box 10 , and the other end of the elastic member is connected to the receiving tray 4 . The elastic member provided by the embodiment of the utility model can reduce possible resonance.

Wherein, the aforementioned elastic member 4 can be a compression spring, elastic plastic, rubber sheet or elastic silicone, etc., which can be set according to the actual needs of users.

Certainly, in other embodiments, the connecting portion may also be a fixing bolt arranged on the first connecting piece 1, and the sound box 10 is provided with a via hole for the fixing bolt to pass through, and the first connecting piece 1 is connected to the first connecting piece 1 through the fixing bolt. The sound box 10 is detachably connected. Wherein, it is not limited to the settings in this embodiment, and can be specifically set according to the actual needs of users.

Further, in order to realize the function of the aforementioned limiting structure, as shown in FIG. 1 , the present utility model also provides the following embodiment: the limiting structure includes a limiting groove 51, and the limiting groove 51 includes a first side wall 51 and a The second side wall 52 opposite to the side wall 51 . The first side wall 51 is provided with a first protrusion 511 , and the second side wall 52 is provided with a second protrusion 521 , and the aforementioned preset track is formed between the first protrusion 511 and the second protrusion 521 .

One end of the first connecting piece 1 is provided with a first sliding slot 12 passing through, and the other end of the first connecting piece 1 is provided with a second sliding slot 13 passing through. The first protrusion 511 passes through the first sliding slot 12 and can slide relative to the sidewall of the first sliding slot 12 . The second protrusion 521 passes through the second sliding slot 13 and can slide relative to the sidewall of the second sliding slot 13 . Wherein, the first protrusion 511 and the second protrusion 521 are respectively arranged on both sides of the first connecting part 1, and both are inserted into the inside of the first connecting part 1, which can effectively prevent the first connecting part 1 from being loosened from the second connecting part 22. disengage, and make the first connecting member 1 move along the preset track formed by the first protrusion 511 and the second protrusion 521 .

Of course, in other embodiments, the limiting structure can also be a dovetail groove provided on the first connecting piece 1, and the second connecting piece 22 is provided with a protrusion adapted to the structure of the dovetail groove, and the second connecting piece 22 The protrusion on the top is inserted into the dovetail groove, and can slide relative to the dovetail groove, which can also play a technical effect of restricting the sliding of the first connecting part 1 on the aforementioned preset track. Wherein, it is not limited to the settings in this embodiment, and can be specifically set according to the actual needs of users.

Further, in order to realize the function of the aforementioned sliding part 11 , as shown in FIG. 1 , the present invention also provides the following embodiment: the sliding part 11 is a roller. The first connecting member 1 slides on the sliding surface 221 through rollers. Of course, in other embodiments, the above-mentioned sliding part 11 can also be a steel ball, a part of the steel ball is embedded in the first connecting piece 1, and the steel ball can rotate freely relative to the first connecting piece 1 after being stressed, and the first connecting piece 1 Sliding on the sliding surface 221 by the steel ball. Wherein, it is not limited to the settings in this embodiment, and can be specifically set according to the actual needs of users.

Furthermore, in the study of sound source localization, in order to reduce the reflection of sound by the assembled sliding track provided by the embodiment of the utility model, the utility model also provides the following implementation mode: the aforementioned first connecting piece 1 and the track assembly 2 The outer surface is coated with a layer of sound-absorbing material. Wherein, the sound-absorbing material layer can be slag wool layer, blanket layer, fabric sound-absorbing soft cladding, foamed aluminum layer, wooden sound-absorbing board layer, polyester fiber layer, sound-absorbing sponge layer, polystyrene foam layer, foamed polystyrene Vinyl chloride layer, etc., can be set according to the actual needs of users.

Further, as shown in FIG. 2 , the aforementioned second connecting member 22 has an arc shape. The inner wall of the second connecting piece 22 is provided with an arc-shaped sound-transmitting curtain 6, which is used to shield the sound box 10 installed on the connecting part, preventing the subject from being able to see the sound during the hearing test. The specific position of the sound box 10 affects the effect of the hearing test. Wherein, the sound-transmitting curtain 6 can be black gauze, etc., which can be set according to the actual needs of users.

Further, as shown in FIG. 2 , the outer wall of the aforementioned second connecting piece 22 is provided with an arc-shaped sound-absorbing plate 7 , and the arc-shaped sound-absorbing plate 7 is used to protect the sound box installed on the connecting part. The sound of 10 performs the reduction and homogenization of the rear reflection. Wherein, the curved sound-absorbing panel 7 can be a sound-absorbing sponge layer, a polystyrene foam layer, a foamed polyvinyl chloride layer, etc., which can be set according to the actual needs of users.

The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the utility model are all valid. Still belong to the scope of the technical solution of the utility model.

Claims (10)

1. An assembled sliding track, characterized in that: it includes a first connector and a track assembly; The track assembly includes a bracket and a second connecting piece arranged on the bracket; The second connector is provided with a sliding surface and a splicing structure, and the splicing structure is used to detachably connect the two track assemblies and keep the sliding surfaces of the assembled two track assemblies connected; One end of the first connecting piece is provided with a sliding portion, and the first connecting piece can slide on the sliding surface through the sliding portion; The other end of the first connector is provided with a connecting part, and the connecting part is used for detachable connection with the sound box; The second connecting piece is further provided with a limiting structure, and the limiting structure is used to limit the sliding of the first connecting piece along the preset track on the sliding surface. 2. The assembled sliding track according to claim 1, characterized in that: There are multiple track assemblies, and two adjacent track assemblies are connected through the splicing structure. 3. The assembled sliding track according to claim 1, further comprising a positioning device, the positioning device is used for positioning the first connecting member when the first connecting member slides to a preset position along the preset track. The first connector is positioned. 4. The assembled sliding track according to claim 1, characterized in that: the splicing structure includes joints, and two ends of the second connecting piece are respectively provided with one joint, and the joints are used for connecting two When the track components are spliced, they are connected to the corresponding joints on the adjacent track components. 5. The assembled sliding track according to claim 1 or 4, characterized in that: the splicing structure includes a positioning protrusion arranged at one end of the second connecting piece, and the other end of the second connecting piece is provided with A positioning groove matched with the positioning protrusion, the positioning protrusion is used to insert into the corresponding positioning groove on the adjacent track components when two track components are spliced together. 6. The assembled sliding track according to any one of claims 1 to 4, characterized in that: the connecting part includes a storage tray, and the storage tray is used for installing and fixing the bottom of the sound box; An elastic piece is arranged inside the accommodating tray, and the elastic piece is used for conflicting with the bottom of the sound box. 7. The assembled sliding track according to any one of claims 1 to 4, wherein the limiting structure comprises a limiting groove, and the limiting groove comprises a first side wall and a The second side wall opposite to the wall, the first side wall is provided with a first protrusion, the second side wall is provided with a second protrusion, and a gap is formed between the first protrusion and the second protrusion. said preset track; One end of the first connecting piece is provided with a through first chute, and the other end of the first connecting piece is provided with a through second chute; The first protrusion passes through the first chute and can slide relative to the side wall of the first chute; The second protrusion passes through the second chute and can slide relative to the side wall of the second chute. 8. The assembled sliding track according to any one of claims 1 to 4, characterized in that: The outer shape of the second connecting piece is arc-shaped; The inner wall of the second connecting part is provided with an arc-shaped sound-transmitting curtain, and the arc-shaped sound-transmitting curtain is used to shield the sound box installed on the connecting part. 9. The assembled sliding track according to claim 8, characterized in that: The outer wall of the second connecting piece is provided with an arc-shaped sound-absorbing plate, which is used for reducing and homogenizing the rear reflection of the sound of the sound box installed on the connecting part . 10. The assembled sliding track according to any one of claims 1 to 4, characterized in that: Both the first connecting piece and the outer surface of the track assembly are coated with a layer of sound-absorbing material.