Communication hot shoe fixing mechanism and terminal assembly

Abstract

The utility model relates to the technical field of photographic equipment, in particular to a communication hot shoe fixing mechanism and a terminal assembly. The fixing mechanism comprises a shell, a push button, a poke rod and a limiting needle assembly, the shell comprises a containing cavity, a sliding groove and a telescopic hole, the sliding groove and the telescopic hole are communicated with the containing cavity, the push button is arranged in the sliding groove, the push button is configured to slide in the sliding groove, the poke rod is arranged in the containing cavity, one end of the poke rod is connected with the push button, and the poke rod is configured to move along with the push button. The limiting needle assembly is arranged in the containing cavity, the limiting needle assembly is connected with the end, away from the push button, of the poke rod, and the limiting needle assembly is configured to move along with the poke rod. Wherein the limiting needle assembly comprises a limiting needle, and when the limiting needle assembly moves along with the poke rod, the limiting needle can move between a first position and a second position. The terminal assembly comprises the fixing mechanism. The fixing mechanism is convenient to mount and dismount on the terminal assembly.

Description

Technical Field

[0001] This utility model relates to the field of photographic equipment technology, and in particular to a communication hot shoe fixing mechanism and terminal component. Background Technology

[0002] Currently, on-camera flashes are commonly used auxiliary photography tools by photographers. Due to their small size and portability, they are often carried by photographers for outdoor shooting. When used off-camera (away from the camera and triggered by a flash sync cable or wireless flash trigger), on-camera flashes are generally used by inserting their hot shoe into the flash hot shoe bracket.

[0003] Traditional hot shoes mostly consist of rotating structures. Due to the size of the product or the size of the operator's hand, the installation and disassembly process of the hot shoe fixing mechanism is cumbersome and not easy to operate. Utility Model Content

[0004] The main purpose of this utility model is to propose a communication hot shoe fixing mechanism and terminal component, which aims to solve the technical problem that the installation and disassembly process of the fixing mechanism is cumbersome and difficult to operate.

[0005] To achieve the above objectives, this utility model proposes a communication hot shoe fixing mechanism, comprising:

[0006] A housing, the housing including a receiving cavity and a groove and a telescopic hole communicating with the receiving cavity;

[0007] A push button, wherein the push button is disposed within the slide groove and is configured to slide within the slide groove;

[0008] A toggle lever is disposed within the receiving cavity, one end of which is connected to the push button, and the toggle lever is configured to move with the push button;

[0009] A limiting pin assembly is disposed within the receiving cavity, and the limiting pin assembly is connected to the end of the toggle lever away from the push button. The limiting pin assembly is configured to move with the toggle lever.

[0010] The limiting pin assembly includes a limiting pin. When the limiting pin assembly moves with the toggle lever, the limiting pin can move between a first position and a second position. When the limiting pin is in the first position, it extends out of the housing through the telescopic hole, and when the limiting pin is in the second position, it retracts into the housing through the telescopic hole.

[0011] In some embodiments, the limiting pin assembly includes a limiting pin bracket, and one end of the limiting pin bracket is connected to the actuating rod so that the limiting pin bracket can move with the actuating rod;

[0012] The limiting pin bracket is provided with a connecting groove, and the limiting pin is provided with a protrusion. The protrusion abuts against the groove wall of the connecting groove so that the limiting pin can move with the limiting pin bracket.

[0013] In some embodiments, the fixing mechanism includes a limiting pin cover plate, the limiting pin cover plate is disposed in the receiving cavity, the limiting pin cover plate is provided with a connecting hole, an elastic element is disposed in the connecting hole, and the end of the limiting pin away from the telescopic hole is connected to the elastic element;

[0014] The elastic element is configured to drive the limiting pin from the second position to the first position.

[0015] In some embodiments, the limiting pin bracket is provided with a insertion slot, and one end of the toggle rod is inserted into the insertion slot.

[0016] In some embodiments, the push button is provided with a first mounting hole, the toggle lever is provided with a second mounting hole, and a connector is provided in the second mounting hole and the first mounting hole, the connector being used to connect the toggle lever and the push button.

[0017] In some embodiments, both the first mounting hole and the second mounting hole are provided with internal threads, and the connector is provided with external threads. The connector is used to thread the toggle lever and the push button together.

[0018] In some embodiments, the push button is provided with a first limiting part, and the toggle lever is provided with a second limiting part, the second limiting part being able to cooperate and connect with the first limiting part.

[0019] In some embodiments, a spring is provided on the side of the toggle lever near the push button, and the housing is provided with a toggle groove. When the toggle lever moves with the push button, the spring is configured to contact the toggle groove.

[0020] In some embodiments, the push button protrudes from the slide groove;

[0021] And / or, the push button is provided with a friction pattern on the side away from the slide groove.

[0022] Correspondingly, this utility model also proposes a terminal component, including:

[0023] The communication hot shoe fixing mechanism described in any of the above embodiments;

[0024] A camera having a hot shoe, the fixing mechanism being connected to the hot shoe via a push button.

[0025] Compared with the prior art, the beneficial effects of this utility model are:

[0026] In the technical solution of this utility model, when the communication hot shoe fixing mechanism is installed on the camera hot shoe, firstly, the push button is pushed, causing it to move within the slide groove. This push button then drives the actuating rod, which in turn drives the limiting pin assembly, moving the limiting pin from the first position to the second position, ensuring the limiting pin retracts into the housing through the telescopic hole. Next, the telescopic hole and the mounting hole of the camera hot shoe are aligned, ensuring they are on the same central axis. Finally, the push button is pushed again, causing it to move in the opposite direction within the slide groove. This push button then drives the actuating rod, which in turn drives the limiting pin assembly, moving the limiting pin from the second position to the first position, ensuring the limiting pin extends out of the housing through the telescopic hole. Because the telescopic hole and the mounting hole of the camera hot shoe are aligned, the limiting pin smoothly extends into the mounting hole of the camera hot shoe. The limiting pin then positions the fixing mechanism provided by this utility model on the camera hot shoe, achieving stable installation of the fixing mechanism on the camera.

[0027] When disassembling the communication hot shoe fixing mechanism from the camera hot shoe, push the push button to move it within the slide groove. This push button then moves the toggle lever, which in turn moves the limit pin assembly, causing the limit pin to move from the first position to the second position. This ensures the limit pin passes sequentially through the camera hot shoe's mounting holes and telescopic holes before retracting into the housing. Since there are no limit pins for positioning between the fixing mechanism and the camera hot shoe at this point, the fixing mechanism can be disassembled from the camera.

[0028] The communication hot shoe fixing mechanism provided by this utility model is easy to install and disassemble. By pushing the push button, the fixing mechanism and the camera hot shoe can be unlocked; by pushing the push button in the opposite direction, the fixing mechanism and the camera hot shoe can be locked. The push button structure is simple, requiring only a simple push and pull. Compared with a rotating structure, it simplifies the installation and disassembly steps of the fixing mechanism. Moreover, the push button is small in size, which is conducive to one-handed operation or blind operation of the fixing mechanism.

[0029] The terminal components using the aforementioned communication hot shoe fixing mechanism can simplify the assembly and disassembly steps. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0031] Figure 1This is a schematic diagram of the overall structure of a communication hot shoe fixing mechanism provided in an embodiment of the present utility model; wherein, the limiting pin is retracted into the housing;

[0032] Figure 2 A schematic diagram of the overall structure of a communication hot shoe fixing mechanism provided in an embodiment of the present utility model; wherein, the limiting pin extends out of the housing;

[0033] Figure 3 This is a cross-sectional view of the overall structure of a communication hot shoe fixing mechanism provided in an embodiment of the present invention;

[0034] Figure 4 A schematic diagram of the push button in a communication hot shoe fixing mechanism provided in an embodiment of this utility model;

[0035] Figure 5 This is a schematic diagram of the toggle lever in a communication hot shoe fixing mechanism according to an embodiment of the present invention;

[0036] Figure 6 This is a schematic diagram of the housing at the actuation groove in a communication hot shoe fixing mechanism provided in an embodiment of the present invention.

[0037] Explanation of icon numbers:

[0038] 100. Shell;

[0039] 110. Receiving cavity; 120. Slide groove; 130. Telescopic hole; 140. Actuating groove;

[0040] 200. Push button;

[0041] 210. First assembly hole; 220. First limiting part;

[0042] 300. Toggle lever;

[0043] 310. Second assembly hole; 320. Second limiting part;

[0044] 400. Limit pin assembly;

[0045] 410. Limit pin; 420. Limit pin bracket; 430. Limit pin cover plate;

[0046] 411. Protrusion;

[0047] 421. Connecting slot; 422. Insertion slot;

[0048] 431. Connecting hole; 432. Elastic element;

[0049] 500. Connectors;

[0050] 600. Shrapnel.

[0051] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0052] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0053] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0054] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or," "and / or," or "and / or" throughout the text implies three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where A and B are simultaneously satisfied. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0055] Currently, on-camera flashes are commonly used auxiliary photography tools by photographers. Due to their small size and portability, they are often carried by photographers for outdoor shooting. When used off-camera (away from the camera and triggered by a flash sync cable or wireless flash trigger), on-camera flashes are generally used by inserting their hot shoe into the flash hot shoe bracket.

[0056] Traditional hot shoes mostly consist of rotating structures. Due to the size of the product or the size of the operator's hand, the installation and disassembly process of the hot shoe fixing mechanism is cumbersome and not easy to operate.

[0057] Therefore, in order to solve the technical problem of the cumbersome and difficult-to-operate installation and disassembly process of the fixed mechanism, referring to Figures 1 to 6This utility model provides a communication hot shoe fixing mechanism, which is used to connect to the hot shoe of a camera, realizing the connection between the flash trigger and the camera hot shoe. The communication hot shoe fixing mechanism includes a housing 100, a push button 200, a toggle lever 300, and a limiting pin assembly 400. The housing 100 includes a receiving cavity 110 and a sliding groove 120 and a telescopic hole 130 communicating with the receiving cavity 110. The push button 200 is disposed in the sliding groove 120 and configured to slide within the sliding groove 120. The toggle lever 300 is disposed in the receiving cavity 110, with one end connected to the push button 200 and configured to move with the push button 200. The limiting pin assembly 400 is disposed in the receiving cavity 110 and connected to the end of the toggle lever 300 away from the push button 200, and configured to move with the toggle lever 300. The limiting pin assembly 400 includes a limiting pin 410. When the limiting pin assembly 400 moves with the toggle lever 300, the limiting pin 410 can move between a first position and a second position. When the limiting pin 410 is in the first position, it extends out of the housing 100 through the telescopic hole 130. When the limiting pin 410 is in the second position, it retracts into the housing 100 through the telescopic hole 130.

[0058] Specifically, in this embodiment, when the communication hot shoe fixing mechanism is installed on the camera hot shoe, firstly, the push button 200 is pushed, causing the push button 200 to move within the slide groove 120. At this time, the push button 200 will drive the toggle lever 300 to move, and the toggle lever 300 will drive the limiting pin assembly 400 to move, causing the limiting pin 410 to move from the first position to the second position, ensuring that the limiting pin 410 retracts into the housing 100 through the telescopic hole 130. Then, the telescopic hole 130 and the mounting hole of the camera hot shoe are aligned to ensure that the telescopic hole 130 and the mounting hole of the camera hot shoe are on the same central axis. Finally, push the push button 200 again, causing it to move in the reverse direction within the slide groove 120. This push button 200 will then cause the toggle lever 300 to move in the reverse direction, which in turn will cause the limiting pin assembly 400 to move in the reverse direction, moving the limiting pin 410 from the second position to the first position, ensuring that the limiting pin 410 extends out of the housing 100 through the telescopic hole 130. Since the telescopic hole 130 and the mounting hole of the camera hot shoe are aligned, the limiting pin 410 will smoothly extend into the mounting hole of the camera hot shoe. The limiting pin 410 allows the fixing mechanism provided in this embodiment to be positioned on the camera hot shoe, achieving stable installation of the fixing mechanism on the camera.

[0059] When the communication hot shoe fixing mechanism is detached from the camera hot shoe, push the push button 200, causing it to move within the slide groove 120. This push button 200 then moves the toggle lever 300, which in turn moves the limit pin assembly 400, causing the limit pin 410 to move from the first position to the second position. This ensures that the limit pin 410 passes sequentially through the mounting hole and telescopic hole 130 of the camera hot shoe and retracts into the housing 100. Since there is no limit pin 410 for positioning between the fixing mechanism and the camera hot shoe at this time, the fixing mechanism can be detached from the camera.

[0060] The communication hot shoe fixing mechanism provided in this embodiment is easy to install and disassemble. Pushing the push button 200 unlocks the fixing mechanism from the camera hot shoe, while pushing it in the opposite direction locks them together. The push button 200 has a simple structure, requiring only a simple push and pull. Compared to a rotating structure, it simplifies the installation and disassembly steps of the fixing mechanism. Furthermore, the push button 200 is small in size, making it convenient for users to operate the fixing mechanism with one hand or blindly.

[0061] In some embodiments, refer to Figure 3 The limiting pin assembly 400 includes a limiting pin bracket 420, which is connected to one end of a toggle lever 300 so that the limiting pin bracket 420 can move with the toggle lever 300. The limiting pin bracket 420 is provided with a connecting groove 421 (for example, the connecting groove 421 can be a stepped groove), and the limiting pin 410 is provided with a protrusion 411, which abuts against the groove wall of the connecting groove 421 so that the limiting pin 410 can move with the limiting pin bracket 420.

[0062] Specifically, in this embodiment, when the push button 200 slides within the slide groove 120, the push button 200 drives the actuating rod 300 to move, and the actuating rod 300 drives the limiting pin bracket 420 to move. Because the limiting pin bracket 420 and the limiting pin 410 are in close contact (achieved through the mating connection between the protrusion 411 and the connecting groove 421), during the movement of the limiting pin bracket 420, the limiting pin bracket 420 pushes the limiting pin 410 between the first and second positions, causing the limiting pin 410 to extend outside the housing 100 or retract inside the housing 100. When the limiting pin 410 extends outside the housing 100, it facilitates the installation connection between the fixing mechanism and the camera hot shoe provided in this embodiment; when the limiting pin 410 retracts inside the housing 100, it facilitates the disassembly and separation between the fixing mechanism and the camera hot shoe provided in this embodiment.

[0063] The movement of the limiting pin bracket 420 driven by the lever 300, which in turn drives the limiting pin 410 to move between the first and second positions, increases the contact area between the limiting pin bracket 420 and the lever 300, making it easier for the lever 300 to drive the limiting pin bracket 420. Furthermore, compared to a structure where the limiting pin 410 is directly connected to the lever 300, having the limiting pin bracket 420 drive the limiting pin 410 provides structural protection for the limiting pin 410, preventing bending and deformation of the limiting pin 410 due to uneven force when the lever 300 directly drives it.

[0064] In some embodiments, refer to Figure 3 The fixing mechanism includes a limiting pin cover plate 430, which is disposed within the receiving cavity 110. The limiting pin cover plate 430 has a connecting hole 431, and an elastic element 432 is disposed within the connecting hole 431. One end of the limiting pin 410 away from the telescopic hole 130 is connected to the elastic element 432. The elastic element 432 is configured to drive the limiting pin 410 to move from a second position to a first position.

[0065] Specifically, in this embodiment, when the push button 200 is pushed, the toggle lever 300 will drive the limit pin bracket 420 to move. The limit pin bracket 420 will drive the limit pin 410 from the first position to the second position. During the movement of the limit pin 410, the limit pin 410 will compress the elastic element 432. When the external force applied to the push button 200 is stopped, the elastic element 432 has a tendency to recover its elastic deformation, causing the elastic element 432 to drive the limit pin 410 from the second position to the first position, thereby realizing the automatic reset of the limit pin 410. Since the limit pin 410 and the limit pin bracket 420 are in close contact, during the movement of the limit pin 410 from the second position to the first position, the limit pin 410 will push the limit pin bracket 420, causing the limit pin bracket 420 to move away from the limit pin cover plate 430, thereby realizing the automatic reset of the limit pin bracket 420. Since the limit pin bracket 420 is connected to the push button 200 via the toggle lever 300, when the limit pin bracket 420 moves away from the limit pin cover plate 430, the limit pin bracket 420 will drive the toggle lever 300 to move, and the toggle lever 300 will drive the push button 200 to move within the slide groove 120, thereby achieving automatic reset of the push button 200.

[0066] In this embodiment, the elastic element 432 enables the push button 200, the limit pin bracket 420 and the limit pin 410 to automatically reset after being turned, thereby facilitating the automatic positioning and connection of this fixing mechanism to the camera hot shoe and simplifying the connection steps of this fixing mechanism to the camera hot shoe.

[0067] In some embodiments, refer to Figure 3The limiting pin bracket 420 is provided with an insertion groove 422, and one end of the actuating rod 300 is inserted into the insertion groove 422. For example, the insertion groove 422 can be a closed structure, meaning the peripheral walls of the limiting pin bracket 420 together form the insertion groove 422, and one end of the actuating rod 300 is precisely inserted into the insertion groove 422. This structure improves the connection stability between the actuating rod 300 and the limiting pin bracket 420, and enhances the driving flexibility of the actuating rod 300 on the limiting pin bracket 420.

[0068] Alternatively, the insertion slot 422 can also be an open structure, where a portion of the sidewall of the limiting pin bracket 420 forms the insertion slot 422, and one end of the actuating rod 300 abuts against the insertion slot 422. This structure helps reduce the assembly difficulty between the actuating rod 300 and the limiting pin bracket 420, and improves the assembly flexibility between them.

[0069] It should be noted that, referring to the above embodiments, when the insertion slot 422 is designed as an open structure, the elastic effect of the elastic element 432 can drive the limit pin bracket 420 to achieve automatic reset.

[0070] In some embodiments, refer to Figures 3 to 5 The push button 200 has a first mounting hole 210, and the actuating lever 300 has a second mounting hole 310. A connector 500 passes through both the second mounting hole 310 and the first mounting hole 210, and the connector 500 is used to connect the actuating lever 300 and the push button 200. For example, both the first mounting hole 210 and the second mounting hole 310 have internal threads, and the connector 500 has external threads, and the connector 500 is used to thread-connect the actuating lever 300 and the push button 200.

[0071] Specifically, in this embodiment, when assembling the push button 200 and the toggle lever 300, the first mounting hole 210 and the second mounting hole 310 are first aligned. Then, the connector 500 is sequentially inserted into the second mounting hole 310 and the first mounting hole 210, and the connector 500 is tightened in the forward direction, thereby achieving a stable connection between the push button 200 and the toggle lever 300. At this time, pushing the push button 200 will drive the toggle lever 300 to move. When disassembling the push button 200 and the toggle lever 300, the connector 500 is first twisted in the reverse direction until it is loosened. Then, the connector 500 is sequentially inserted through the first mounting hole 210 and the second mounting hole 310, thereby achieving the disassembly and separation between the push button 200 and the toggle lever 300.

[0072] In this embodiment, the connection between the push button 200 and the toggle lever 300 is simple and easy to assemble and disassemble. The push button 200 and the toggle lever 300 are connected by threads, which helps to improve the compactness and stability of the connection between the two.

[0073] In some embodiments, refer to Figure 4 and Figure 5 The push button 200 is provided with a first limiting part 220, and the toggle lever 300 is provided with a second limiting part 320, which can cooperate with the first limiting part 220. For example, the first limiting part 220 can be a limiting post, and the second limiting part 320 can be a limiting hole. When the push button 200 and the toggle lever 300 are connected, the limiting post and the limiting hole are first aligned to achieve initial positioning between the push button 200 and the toggle lever 300. Then, the push button 200 and the toggle lever 300 are fixedly connected by the connector 500 passing through the first mounting hole 210 and the second mounting hole 310, which improves the connection stability between the push button 200 and the toggle lever 300 and ensures that the toggle lever 300 can move together with the push button 200.

[0074] By cooperating with the first limiting part 220 and the second limiting part 320, the push button 200 and the toggle lever 300 can be aligned in advance (specifically, the first mounting hole 210 and the second mounting hole 310 are aligned in advance), which helps to improve the positioning accuracy between the push button 200 and the toggle lever 300 and improve the connection accuracy between the push button 200 and the toggle lever 300.

[0075] In other embodiments, the first limiting part 220 can be a limiting hole, and the second limiting part 320 can be a limiting post, which can be inserted into the limiting hole.

[0076] In some embodiments, refer to Figure 5 and Figure 6 A spring 600 is provided on the side of the lever 300 near the push button 200, and the housing 100 is provided with a toggle groove 140. When the lever 300 moves with the push button 200, the spring 600 is configured to contact the toggle groove 140.

[0077] Specifically, in this embodiment, when the push button 200 is pushed, the push button 200 will drive the toggle lever 300 to move, and the toggle lever 300 will drive the spring 600 to move. During the movement of the spring 600, the spring 600 will contact the toggle groove 140 and make a "click" sound, providing a limit for the toggle lever 300 and a toggle feel.

[0078] In some embodiments, refer to Figures 1 to 3 The push button 200 protrudes from the slide groove 120.

[0079] Specifically, in this embodiment, by setting the push button 200 to protrude from the slide groove 120, the user can quickly determine the position of the push button 200 by touch, which is beneficial for the user to operate the fixing mechanism provided in this embodiment blindly.

[0080] Alternatively, in some embodiments, the side of the push button 200 away from the slide groove 120 is provided with a friction pattern.

[0081] Specifically, in this embodiment, by providing a friction pattern on the push button 200, the user can also quickly determine the position of the push button 200 through the touch of their hand, which is beneficial for the user to operate the fixing mechanism provided in this embodiment blindly.

[0082] Correspondingly, another embodiment of this utility model also provides a terminal component, which includes the communication hot shoe fixing mechanism of any of the above embodiments. The terminal component also includes a camera, which has a hot shoe, and the fixing mechanism is connected to the hot shoe via a push button 200. For example, the fixing mechanism can be used to fix a flash trigger to the camera's hot shoe.

[0083] Specifically, in this embodiment, by pushing the push button 200, the user can install and fix this fixing mechanism to the camera hot shoe with one hand, or remove this fixing mechanism from the camera hot shoe. The terminal component using the above-described communication hot shoe fixing mechanism simplifies the assembly and disassembly steps.

[0084] Thanks to the improvements to the communication hot shoe fixing mechanism described above, the terminal component of this embodiment has the same technical effect as the communication hot shoe fixing mechanism described above, which will not be repeated here.

[0085] It should be noted that other aspects of the communication hot shoe fixing mechanism and terminal components disclosed in this utility model can be found in the prior art, and will not be repeated here.

[0086] The above are merely preferred embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural transformations made based on the inventive concept of this utility model and the contents of this utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of this utility model.

Claims

1. A communication hot shoe securing mechanism, characterized by, The communication hot shoe fixing mechanism comprises: a shell, the shell comprising a containing cavity, a sliding slot and a telescopic hole communicating with the containing cavity; a push button, the push button being arranged in the sliding slot, the push button being configured to be able to slide in the sliding slot; a toggle lever, the toggle lever being arranged in the containing cavity, one end of the toggle lever being connected with the push button, the toggle lever being configured to be able to move with the push button; a limiting needle assembly, the limiting needle assembly being arranged in the containing cavity, the limiting needle assembly being connected with the end of the toggle lever away from the push button, the limiting needle assembly being configured to be able to move with the toggle lever; wherein the limiting needle assembly comprises a limiting needle, the limiting needle being able to move between a first position and a second position when the limiting needle assembly moves with the toggle lever, the limiting needle extending out of the shell through the telescopic hole when the limiting needle is in the first position, the limiting needle retracting into the shell through the telescopic hole when the limiting needle is in the second position.

2. The communication hot shoe securing mechanism of claim 1, wherein, The limiting needle assembly comprises a limiting needle support, the limiting needle support being connected with one end of the toggle lever so that the limiting needle support is able to move with the toggle lever. The limiting needle support is provided with a connecting slot, the limiting needle is provided with a protruding part, the protruding part abutting against the slot wall of the connecting slot so that the limiting needle is able to move with the limiting needle support.

3. The communication hot shoe securing mechanism of claim 2, wherein, The fixing mechanism comprises a limiting needle cover plate, the limiting needle cover plate being arranged in the containing cavity, the limiting needle cover plate being provided with a connecting hole, the connecting hole being provided with an elastic member, the limiting needle being connected with the elastic member at an end away from the telescopic hole; wherein the elastic member is configured to drive the limiting needle to move from the second position to the first position.

4. The communication hot shoe securing mechanism of claim 2, wherein The limiting needle support is provided with a plug-in slot, one end of the toggle lever being plugged into the plug-in slot.

5. The communication hot boot securing mechanism of claim 1, wherein, The push button is provided with a first assembly hole, the toggle lever is provided with a second assembly hole, a connecting member being arranged in the second assembly hole and the first assembly hole, the connecting member being used to connect the toggle lever and the push button.

6. The communication hot boot securing mechanism of claim 5, wherein, The first assembly hole and the second assembly hole are both provided with internal threads, the connecting member being provided with external threads, the connecting member being used to threadedly connect the toggle lever and the push button.

7. The communication hot boot securing mechanism of claim 1, wherein, The push button is provided with a first limiting part, the toggle lever is provided with a second limiting part, the second limiting part being able to be connected with the first limiting part in cooperation.

8. The communication hot boot securing mechanism of claim 1, wherein, The side of the toggle lever close to the push button is provided with an elastic sheet, the shell is provided with a toggle slot, the elastic sheet being configured to touch the toggle slot when the toggle lever moves with the push button.

9. The communication hot boot securing mechanism of claim 1, wherein, The push button protrudes out of the sliding slot. And / or, the side of the push button away from the sliding slot is provided with a frictional pattern.

10. A terminal assembly characterized by, The communication hot shoe fixing mechanism comprises: any one of claims 1 to 9; a camera, the camera having a hot shoe, the fixing mechanism being connected with the hot shoe through the push button.

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