Telescopic self-locking microphone support

Abstract

The telescopic self-locking microphone support comprises a base, a supporting rod is installed at the top end of the base, a movable sleeve rod is arranged outside the supporting rod in a sleeved mode, positioning holes are evenly formed in the two sides of the movable sleeve rod, roller shafts are installed at the bottom ends of the interiors of the positioning holes through grooves, the number of the positioning holes is two, and the roller shafts are arranged in the grooves. And each group comprises four supporting rods. According to the utility model, through the cooperation of the right trapezoid structure of the positioning block and the roll shaft, when the microphone support is subjected to rising adjustment, the positioning block can automatically contract inwards only by directly pulling the movable sleeve rod upwards, and then the positioning block is automatically inserted into the corresponding positioning hole under the action of the pressing spring, the guide groove and the like; the height of the microphone support can be adjusted in an ascending mode, operation is easy and convenient, and meanwhile the height of the microphone support can be automatically locked through the plane structure of the top end of the positioning block.

Description

Technical Field

[0001] The utility model relates to the technical field of microphone stands, in particular to a telescopic self-locking microphone stand. Background Art

[0002] Microphone is a very important sound amplification auxiliary tool for performers or speakers. In order to free their hands, performers need to fix the microphone in the required position through a special bracket so that the user's hands can perform other activities.

[0003] Chinese patent authorization announcement number CN218041702U discloses a microphone stand, including a fixing ring, the inner end of the fixing ring is fixedly connected to a support frame, the other end of the support frame is fixedly connected to a support rod, the top of the support rod is fixed with an adjustment rod, and the top of the adjustment rod is provided with a telescopic rod, so that the microphone can be adjusted in height, which is convenient for users to use, thereby making the device suitable for people of different heights, thereby effectively improving the practicality and applicability of the device. The above-mentioned prior art solution has the following shortcomings: during the height adjustment process of the microphone stand, the locking mechanism needs to be kept in an unlocked state at all times, that is, the pull ring needs to be manually pulled upwards, and the lifting state needs to be maintained before the knob can be turned to achieve the lifting and lowering effect of the adjustment rod. Its operation convenience is average, so there are certain improvement schemes. Utility Model Content

[0004] The purpose of the utility model is to provide a telescopic self-locking microphone stand to solve the problem of the conventional microphone stand inconvenient in lifting and lowering operation mentioned in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a telescopic self-locking microphone stand, comprising a base, a support rod is installed at the top of the base, and a movable sleeve rod is sleeved on the outside of the support rod, positioning holes are evenly opened on both sides of the movable sleeve rod, and a roller is installed at the bottom end of the positioning hole through a groove, the positioning holes are provided in two groups, and each group is provided with four, a cavity is opened at the top of the movable sleeve rod, and a lifting block is installed in the cavity, and a pressure spring is installed at the bottom end of the lifting block, and the bottom end of the pressure spring is relative to the bottom end of the cavity. The lifting block is connected, a through hole is horizontally penetrated inside, and positioning blocks are penetrated at both ends of the through hole, guide grooves are evenly opened on both sides of the through hole, and guide blocks are installed inside the guide grooves, one end of the guide block is connected to one side of the positioning block, and the outer sides of the positioning blocks extend to the inside of the positioning hole through the openings on both sides of the support rod, a fixing rod is installed at the top of the movable sleeve rod, and a connecting sleeve rod is sleeved on the top of the fixing rod, the connecting sleeve rod and the fixing rod are connected by positioning bolts, and a microphone clamp is provided at the top of the connecting sleeve rod.

[0006] Preferably, the cross-sectional size of the lifting block is matched with the internal cross-sectional size of the cavity, and the lifting block slides up and down inside the cavity.

[0007] Preferably, the guide grooves are provided with two groups, and each group of guide grooves is symmetrically distributed in a left-right figure eight shape, and the guide block slides along the guide groove, and the guide block is located at the bottom of the guide groove in an initial state.

[0008] Preferably, the cross section of the positioning block is a right-angled trapezoid, the inclined surface of the positioning block abuts against the top end of the roller shaft, and the width of the positioning block matches the width of the through hole.

[0009] Preferably, an unlocking mechanism is connected between the bottom end of the lifting block and the support rod, and the inward retraction of the positioning block can be controlled by foot through the unlocking mechanism.

[0010] Preferably, the unlocking mechanism includes a movable channel opened at the bottom end of the cavity, a connecting rod is installed inside the movable channel, and the top end of the connecting rod extends to the inside of the cavity and is connected to the bottom end of the lifting block, the bottom end of the connecting rod extends to the outside of the support rod and is installed with a pedal, and the bottom end of the pedal is installed with a support spring, and the bottom end of the support spring is connected to the top of the base.

[0011] Preferably, the cross-sections of the movable channel and the connecting rod are both L-shaped, and the connecting rod moves up and down along the movable channel.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) Through the right-angle trapezoidal structure of the positioning block and the friction between its inclined surface and the roller shaft, when the microphone stand is adjusted to rise, the positioning block can be automatically retracted inward by simply pulling the movable sleeve rod upward. Then, under the action of the pressure spring, the guide groove, the guide block, etc., the positioning block is automatically inserted into the corresponding positioning hole, thereby achieving the height adjustment of the microphone stand. The operation is simple and convenient. At the same time, the pressure between the top plane of the positioning block and the top of the positioning hole is used to automatically lock the height of the microphone stand to prevent the movable sleeve rod from falling.

[0014] (2) By pressing the pedal downward with the foot, the pedal drives the connecting rod to move downward, and then pulls the lifting block downward, so that the lifting block cooperates with the opening on the support rod and the guide block and guide groove to achieve the inward contraction of the two positioning blocks, thereby adjusting the microphone stand downward. This adjustment method utilizes the cooperation of the foot, reduces the space occupied by the hands, and improves its convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the support rod section of the utility model;

[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the lifting block of the utility model;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the movable sleeve rod section of the utility model.

[0020] Explanation of the reference numerals in the figure: 1. base; 2. support rod; 3. unlocking mechanism; 301. pedal; 302. support spring; 303. connecting rod; 304. movable channel; 4. movable sleeve rod; 5. positioning hole; 6. roller; 7. positioning block; 8. fixing rod; 9. connecting sleeve rod; 10. microphone clamp; 11. cavity; 12. pressure spring; 13. lifting block; 14. through hole; 15. guide block; 16. guide groove; 17. positioning bolt. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 4 The utility model provides an embodiment: a telescopic self-locking microphone stand, comprising a base 1, a support rod 2 is installed at the top of the base 1, and a movable sleeve rod 4 is sleeved on the outside of the support rod 2, positioning holes 5 are evenly opened on both sides of the movable sleeve rod 4, and a roller 6 is installed at the bottom end of the positioning hole 5 through a groove, two groups of positioning holes 5 are provided, and each group is provided with four, a cavity 11 is opened at the top of the movable sleeve rod 4, and a lifting block 13 is installed inside the cavity 11;

[0023] The cross-sectional size of the lifting block 13 is adapted to the internal cross-sectional size of the cavity 11, and the lifting block 13 slides up and down inside the cavity 11;

[0024] An unlocking mechanism 3 is connected between the bottom end of the lifting block 13 and the support rod 2, and the inward contraction of the positioning block 7 can be controlled by the unlocking mechanism 3;

[0025] The unlocking mechanism 3 includes a movable channel 304 opened at the bottom end of the cavity 11, a connecting rod 303 is installed inside the movable channel 304, and the top end of the connecting rod 303 extends to the inside of the cavity 11 and is connected to the bottom end of the lifting block 13, the bottom end of the connecting rod 303 extends to the outside of the support rod 2 and is installed with a pedal 301, and the bottom end of the pedal 301 is installed with a support spring 302, and the bottom end of the support spring 302 is connected to the top end of the base 1;

[0026] The cross-sections of the movable channel 304 and the connecting rod 303 are both L-shaped, and the connecting rod 303 moves up and down along the movable channel 304;

[0027] Specifically, Figure 1 , Figure 2 As shown, when in use, the elastic effect of the support spring 302 is utilized to ensure that the pedal 301 is in an upward state in a normal state, so as to prevent the pedal 301 from driving the connecting rod 303 downward under its own gravity, so as to cooperate with the pressure spring 12 to ensure that the lifting block 13 is driven by the upward force, so as to realize the automatic extension of the two positioning blocks 7 to both sides, and ensure the position stability of the movable sleeve rod 4;

[0028] A pressure spring 12 is installed at the bottom end of the lifting block 13, and the bottom end of the pressure spring 12 is connected to the bottom end of the cavity 11. A through hole 14 is horizontally passed through the inside of the lifting block 13, and positioning blocks 7 are passed through both ends of the through hole 14.

[0029] The cross section of the positioning block 7 is a right-angled trapezoid, the inclined surface of the positioning block 7 abuts against the top of the roller shaft 6, and the width of the positioning block 7 matches the width of the through hole 14;

[0030] Specifically, Figure 1 As shown, when in use, the positioning block 7 cooperates with the roller 6, so that when the movable sleeve rod 4 is pulled up, the roller 6 can produce an inward thrust on the positioning block 7, thereby facilitating the automatic contraction of the positioning block 7 to facilitate the upward adjustment of the height of the movable sleeve rod 4;

[0031] Guide grooves 16 are evenly formed on both sides of the through hole 14;

[0032] There are two groups of guide grooves 16, and each group of guide grooves 16 is symmetrically distributed in a left-right figure eight shape. The guide block 15 slides along the guide groove 16. In the initial state, the guide block 15 is located at the bottom end of the guide groove 16.

[0033] A guide block 15 is installed inside the guide groove 16, one end of the guide block 15 is connected to one side of the positioning block 7, the outer side of the positioning block 7 extends to the inside of the positioning hole 5 through the openings on both sides of the support rod 2, a fixed rod 8 is installed on the top of the movable sleeve rod 4, and a connecting sleeve rod 9 is sleeved on the top of the fixed rod 8. The connecting sleeve rod 9 and the fixed rod 8 are connected by a positioning bolt 17, and a microphone clamp 10 is provided on the top of the connecting sleeve rod 9;

[0034] Specifically, Figure 1 , Figure 4 As shown, when in use, through the cooperation of the guide groove 16 and the guide block 15, combined with the limiting and guiding effect of the through hole 14 and the openings on both sides of the support rod 2 on the positioning block 7, the lifting block 13 can be moved up and down, and the positioning block 7 can be expanded and retracted. Under the action of the positioning bolt 17, a detachable connection between the connecting sleeve rod 9 and the fixing rod 8 is achieved, thereby facilitating the separate replacement of the microphone clamp 10.

[0035] Working principle: When the utility model is in use, first pull the movable sleeve rod 4 upwards. Since the roller shaft 6 and the inclined surface of the positioning block 7 are against each other, the roller shaft 6 presses the positioning block 7 during the rising process and causes the two positioning blocks 7 to move inwards, and then the movable sleeve rod 4 rises along the outside of the support rod 2 to adjust the height of the microphone clamp 10, and then the height of the microphone is adjusted. By screwing the positioning bolt 17, it is removed from the threaded groove inside the fixed rod 8, so that the connecting sleeve rod 9 can be disassembled, so that the microphone clamp 10 can be disassembled and replaced separately;

[0036] Secondly, the elastic effect of the pressure spring 12 is utilized to push the lifting block 13 upward, so that the guide block 15 moves along the bottom end of the guide groove 16, and cooperates with the opening effect on both sides of the support rod 2, so that the positioning block 7 moves outward, so that after the lifting adjustment is completed, the positioning block 7 can automatically correspond to the inside of the positioning hole 5, so as to achieve the fixing effect of the position of the movable sleeve rod 4, and the top plane effect of the positioning block 7 is utilized to hinder the downward descent of the movable sleeve rod 4, so as to achieve the self-locking effect of fixing the position of the movable sleeve rod 4;

[0037] Finally, when it is necessary to adjust the movable sleeve rod 4 to be lowered, the pedal 301 is pressed downward by the foot to compress the support spring 302, and then the pedal 301 pulls the connecting rod 303 to move downward along the movable channel 304, and then the connecting rod 303 pulls the lifting block 13 to move downward, so that the guide groove 16 is synchronously lowered, and the guide block 15 is guided by the guide groove 16, so that the positioning block 7 moves inward, and the outer side of the positioning block 7 moves out of the interior of the positioning hole 5, so as to facilitate the unlocking of the position of the movable sleeve rod 4, and then the movable sleeve rod 4 can be pulled down along the outside of the support rod 2 to facilitate the lowering adjustment effect of the microphone height.

[0038] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A telescopic self-locking microphone stand, comprising a base (1), characterized in that: A support rod (2) is installed at the top of the base (1), and a movable sleeve rod (4) is sleeved on the outside of the support rod (2). Positioning holes (5) are evenly opened on both sides of the movable sleeve rod (4), and a roller shaft (6) is installed at the bottom end of the positioning hole (5) through a groove. The positioning holes (5) are provided in two groups, and each group is provided with four. A cavity (11) is opened at the top of the movable sleeve rod (4), and a lifting block (13) is installed in the cavity (11). A pressure spring (12) is installed at the bottom end of the lifting block (13), and the bottom end of the pressure spring (12) is connected to the bottom end of the cavity (11). A through hole (14) is horizontally passed through the inside of the lifting block (13), and the through hole (14) is inserted into the bottom end of the lifting block (13). Positioning blocks (7) are passed through both ends of the hole (14), guide grooves (16) are evenly provided on both sides of the through hole (14), and guide blocks (15) are installed inside the guide grooves (16), one end of the guide block (15) is connected to one side of the positioning block (7), and the outer side of the positioning block (7) extends to the inside of the positioning hole (5) through the openings on both sides of the support rod (2), a fixing rod (8) is installed at the top end of the movable sleeve rod (4), and a connecting sleeve rod (9) is sleeved on the top end of the fixing rod (8), the connecting sleeve rod (9) and the fixing rod (8) are connected by a positioning bolt (17), and a microphone clamp (10) is provided at the top end of the connecting sleeve rod (9).

2. The telescopic self-locking microphone stand according to claim 1, characterized in that: The cross-sectional size of the lifting block (13) is adapted to the internal cross-sectional size of the cavity (11), and the lifting block (13) slides up and down inside the cavity (11).

3. The telescopic self-locking microphone stand according to claim 1, characterized in that: The guide grooves (16) are provided in two groups, and each group of guide grooves (16) is symmetrically distributed in a left-right figure eight shape. The guide block (15) slides along the guide groove (16), and in an initial state, the guide block (15) is located at the bottom end of the guide groove (16).

4. The telescopic self-locking microphone stand according to claim 1, characterized in that: The cross section of the positioning block (7) is a right-angled trapezoid, the inclined surface of the positioning block (7) abuts against the top end of the roller shaft (6), and the width of the positioning block (7) is adapted to the width of the through hole (14).

5. The telescopic self-locking microphone stand according to claim 1, characterized in that: An unlocking mechanism (3) is connected between the bottom end of the lifting block (13) and the support rod (2), and the inward contraction of the positioning block (7) can be controlled by foot through the unlocking mechanism (3).

6. The telescopic self-locking microphone stand according to claim 5, characterized in that: The unlocking mechanism (3) comprises a movable channel (304) opened at the bottom end of the cavity (11), a connecting rod (303) is installed inside the movable channel (304), and the top end of the connecting rod (303) extends to the inside of the cavity (11) and is connected to the bottom end of the lifting block (13), the bottom end of the connecting rod (303) extends to the outside of the support rod (2) and is installed with a pedal (301), and the bottom end of the pedal (301) is installed with a support spring (302), and the bottom end of the support spring (302) is connected to the top end of the base (1).

7. The telescopic self-locking microphone stand according to claim 6, characterized in that: The cross-sections of the movable channel (304) and the connecting rod (303) are both L-shaped, and the connecting rod (303) moves up and down along the movable channel (304).

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