Adjusting and locking mechanism for high-precision assembly

Abstract

The utility model discloses an adjusting and locking mechanism for high-precision assembly, which comprises a supporting sleeve, a supporting assembly, a shifting and rotating assembly and a rotating and direct pushing assembly, an installation space is arranged in the supporting sleeve, and one end of the installation space is an open surface; the supporting assembly is embedded in the mounting space of the supporting sleeve; the shifting and rotating assembly is rotatably connected to the supporting assembly, one end of the shifting and rotating assembly abuts against a spring of the supporting assembly, and elastic force provided by the spring abuts against one end of the shifting and rotating assembly upwards; the rotary direct pushing assembly is rotatably inserted into the supporting assembly and comprises a rotary sleeve and a push rod; the rotating sleeve is in tooth connection with the other end of the shifting and rotating assembly; and the push rod is inserted into the rotary sleeve and is in threaded connection with the rotary sleeve. According to the utility model, the rotation of the rotary sleeve is accurately controlled by shifting rotation transmission to tooth connection, and the rotary motion is converted into the linear motion and the rotary motion of the push rod through threaded connection, so that the high-precision adjustment of the assembly angle or the assembly gap is realized.

Description

Technical Field

[0001] The utility model relates to the field of spare parts assembly, in particular to an adjustment and locking mechanism for high-precision assembly. Background Art

[0002] The production and processing of products often involves the assembly of various spare parts. The traditional assembly method is completed by manual operation. The defects of manual assembly are low efficiency. At the same time, when high-precision adjustment and compression assembly are required, it is impossible to accurately control the adjustment and compression distance and angle. For example, for the assembly of the bracket of the LED screen, the assembly action involved is to insert the round carbon fiber tube into the connecting hinge block of the magnesium alloy, and align the screw holes of the two before fixing the two together with screws. Since the position of the screw holes on the two needs to be accurately controlled, it is necessary to design special auxiliary tools to assist in adjusting the angle or assembly compression distance during the assembly process. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide an adjustment and locking mechanism for high-precision assembly that is capable of accurately controlling the rotation of a rotating sleeve by toggling a rotation transmission to a tooth connection, and converting the rotational motion into linear motion and rotational motion of a push rod through a threaded connection, thereby achieving high-precision adjustment of assembly angles or assembly gaps.

[0004] The technical solution adopted by the utility model is as follows: an adjustment and locking mechanism for high-precision assembly, which is used to assist in assembling accessories, including a support sleeve, a support component, a dial assembly and a rotary direct-push assembly, wherein an installation space is provided inside the support sleeve, and one end of the installation space is an open surface; the support component is embedded in the installation space of the support sleeve; the dial assembly is rotatably connected to the support component, and one end of the dial assembly is supported by a spring of the support component, and the elastic force provided by the spring pushes one end of the dial assembly upward, so that the other end of the dial assembly has a tendency to rotate downward; the rotary direct-push assembly is rotatably inserted in the support component, and the rotary direct-push assembly includes a rotating sleeve and a push rod; the rotating sleeve is toothedly connected to the other end of the dial assembly; the push rod is inserted in the rotating sleeve and is threadedly connected to the rotating sleeve; when overcoming the spring elastic force to push one end of the dial assembly downward, the other end of the dial assembly drives the rotating sleeve to rotate, and the rotating sleeve drives the push rod to move linearly, which is used to press the assembling accessories and / or adjust the assembly angle of the accessories.

[0005] Preferably, one end of the installation space of the support sleeve is a circular cavity structure.

[0006] Preferably, the support assembly includes a support sleeve, a support plate, a support shaft and a spring, wherein the support sleeve is a circular ring structure; the support plate is vertically connected to the annular wall of the support sleeve and extends to one side, the two form an integral structure, and are embedded in the open surface of the installation space of the support sleeve to close the open surface of the installation space, and the support sleeve is embedded in the outside of the circular cavity structure of the installation space; the support shaft is vertically arranged on the side wall of the support plate and extends horizontally toward the installation space; the spring sleeve is fixed on the support shaft, and one end of the spring extends downwardly at an angle along the side wall of the support plate.

[0007] Preferably, the dial-rotating assembly includes a dial seat, a mounting hole is provided on the side wall of the dial seat, and the dial seat is rotatably mounted on the support shaft through the mounting hole; a spring-bearing seat is provided at the lower part of one end of the dial seat; one end of the spring extends to the bottom of the spring-bearing seat, and the elastic force of the spring in a natural state pushes the outer end of the dial seat upward, so that the other end of the dial seat tends to rotate downward; and a latch tooth is provided at the other end of the dial seat.

[0008] Preferably, the rotating sleeve is horizontally and rotatably inserted in the supporting sleeve, and a rotating tooth is provided on the outside of the rotating sleeve, and the rotating tooth is meshed and connected with the latch tooth. When the shift seat drives the latch tooth to rotate, the rotating sleeve is driven to rotate through the latch tooth and the rotating tooth; a first thread is provided on the side wall of the inner cavity of the rotating sleeve.

[0009] Preferably, the push rod is inserted into the inner cavity of the rotating sleeve, a second thread is provided on the outer side wall of the push rod, the push rod and the rotating sleeve are connected by the first thread and the second thread, and when the rotating sleeve rotates, the push rod is driven to rotate and move linearly.

[0010] Preferably, a guide hole is provided on the end wall of one end of the push rod; a through hole is opened on the end wall of the support sleeve, a guide rod cap is inserted in the through hole, the guide rod cap passes through the support sleeve and is inserted into the guide hole of the push rod, for guiding the limiting push rod; a T-block is provided at the other end of the push rod, for linearly pushing the assembly of accessories, or buckling into the accessories to be assembled, and driving the accessories to rotate to adjust the angle of the accessories.

[0011] Preferably, the outer side of the rotating sleeve is provided with an outer sleeve; positioning holes arranged along the radial direction are opened on the side walls of the rotating sleeve and the outer sleeve, and positioning columns are inserted into the positioning holes to connect the rotating sleeve and the outer sleeve to each other.

[0012] The beneficial effects of the utility model are:

[0013] In view of the defects and shortcomings of the prior art, the utility model independently developed and designed a device that accurately controls the rotation of a rotating sleeve by toggling the rotation transmission to the tooth connection, and converts the rotational motion into linear motion and rotational motion of the push rod through a threaded connection, thereby realizing high-precision adjustment of the assembly angle or assembly gap. The adjusting and locking mechanism is used for high-precision assembly.

[0014] The utility model belongs to an accessory assembly auxiliary device, which can be used in fields where the relative angle and relative spacing of two assembly accessories need to be adjusted during the assembly process, for example, it can be used in the assembly field of carbon fiber tubes and magnesium alloy connecting hinges of LED screen brackets. Specifically, the utility model uses a support sleeve with an installation space inside as the main structure, and a support assembly formed by connecting the support sleeve and a support plate is covered at the open surface of one side of the support sleeve installation space, which is used to close the open surface of the installation space; a support shaft is vertically provided on a side wall of the support plate close to the support sleeve, and a spring and a dial seat are sleeved on the support shaft, and the two ends of the dial seat extend to the two sides of the support shaft respectively, and a spring bearing seat is provided at the lower part of one end of the dial seat, and a latching tooth is provided on the end wall of the other end of the dial seat. At the same time, one end of the spring extends downwardly to the lower part of the spring bearing seat and presses against the spring bearing seat from below. In the natural state, the elastic force of the spring pushes the spring bearing seat upward, so that one end of the dial seat has a tendency to move upward, that is, the other end of the dial seat has a tendency to move downward; at the same time, a rotating sleeve is rotatably inserted in the support sleeve, and a rotating tooth is provided on the outer wall surface of the rotating sleeve. The rotating sleeve is connected with the latching tooth at the other end of the dial seat through the rotating tooth, and the natural state The limit rotating sleeve can be clamped and fixed in the radial direction through the elastic force of the spring and the locking teeth embedded in the rotating teeth to prevent it from rotating. When one end of the dial seat is subjected to external pressure, the pressure overcomes the elastic force of the spring and presses down one end of the dial seat, and the other end of the dial seat can drive the rotating seat to rotate through the locking teeth; when the rotating seat rotates, it can drive the push rod inserted therein and threadedly connected with it to rotate and move in a linear direction at the same time. After the push rod is buckled with the accessory through the T-block at its end, it can drive the accessory to rotate to adjust its assembly angle. At the same time, the end face of the T-block can also push the accessory in a straight line to adjust the linear installation position of the accessory, and by controlling the size of the locking teeth and the rotating teeth, in the actual assembly process, the number of teeth of the rotating teeth driven by the locking teeth during the rotation of the dial seat is used to achieve high-precision control of the rotation angle, thereby achieving precise control of the rotation angle of the push rod or the linear pushing distance of the push rod, effectively improving the assembly accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is one of the schematic diagrams of the component splitting structure of the utility model.

[0016] Figure 2 This is the second schematic diagram of the component splitting structure of the utility model.

[0017] Figure 3 This is the third schematic diagram of the component disassembly structure of the utility model.

[0018] Figure 4 This is the fourth schematic diagram of the component disassembly structure of the utility model.

[0019] Figure 5 This is one of the three-dimensional structural schematic diagrams of the utility model.

[0020] Figure 6 This is the second schematic diagram of the three-dimensional structure of the utility model. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments 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] It should be noted that all directional indications such as up, down, left, right, front, back, etc. in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0023] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "connection" 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] like Figures 1 to 6 As shown, the utility model proposes an adjustment locking mechanism for high-precision assembly, which is used to assist in assembling accessories, including a support sleeve 1, a support assembly, a dial assembly and a rotary direct push assembly, wherein the support sleeve 1 is provided with an installation space inside, and one end of the installation space is an open surface; the support assembly is embedded in the installation space of the support sleeve 1; the dial assembly is rotatably connected to the support assembly, and one end of the dial assembly is supported by a spring of the support assembly, and the elastic force provided by the spring pushes one end of the dial assembly upward, so that the other end of the dial assembly has a tendency to rotate downward; the rotary direct push assembly is rotatably inserted in the support assembly, and the rotary direct push assembly includes a rotating sleeve 6 and a push rod 11; the rotating sleeve 6 is toothedly connected to the other end of the dial assembly; the push rod 11 is inserted in the rotating sleeve 6 and is threadedly connected to the rotating sleeve 6; when overcoming the spring elastic force to push one end of the dial assembly downward, the other end of the dial assembly drives the rotating sleeve 6 to rotate, and the rotating sleeve 6 drives the push rod 11 to move linearly, which is used to press the assembly accessories and / or adjust the assembly angle of the accessories.

[0025] One end of the installation space of the support sleeve 1 is a circular cavity structure.

[0026] The support assembly includes a support sleeve 3, a support plate 4, a support shaft 5 and a spring 10, wherein the support sleeve 3 is a circular ring structure; the support plate 4 is vertically connected to the annular wall of the support sleeve 3 and extends to one side, the two form an integral structure, and are embedded in the open surface of the installation space of the support sleeve 1 to close the open surface of the installation space, and the support sleeve 3 is embedded in the outside of the circular cavity structure of the installation space; the support shaft 5 is vertically arranged on the side wall of the support plate 4 and extends horizontally toward the installation space; the spring 10 is sleeved and fixed on the support shaft 5, and one end of the spring 10 extends downwardly along the side wall of the support plate 4.

[0027] The dial-rotating assembly includes a dial seat 8, a mounting hole is opened on the side wall of the dial seat 8, and the dial seat 8 is rotatably mounted on the support shaft 5 through the mounting hole; a spring bearing seat 13 is provided at the lower part of one end of the dial seat 8; one end of the spring 10 extends to the bottom of the spring bearing seat 13, and the elastic force of the spring 10 in the natural state pushes the outer end of the dial seat 8 upward, so that the other end of the dial seat 8 tends to rotate downward; the other end of the dial seat 8 is provided with a latch tooth 9.

[0028] The rotating sleeve 6 is horizontally and rotatably inserted in the supporting sleeve 3. The outside of the rotating sleeve 6 is provided with rotating teeth 7, which are meshed and connected with the latch teeth 9. When the shift seat 8 drives the latch teeth 9 to rotate, the rotating sleeve 6 is driven to rotate through the rotating teeth 7 via the latch teeth 9; a first thread a is provided on the inner cavity side wall of the rotating sleeve 6.

[0029] The push rod 11 is inserted into the inner cavity of the rotating sleeve 6. The outer wall of the push rod 11 is provided with a second thread b. The push rod 11 and the rotating sleeve 6 are connected by the first thread a and the second thread b. When the rotating sleeve 6 rotates, the push rod 11 is driven to rotate and move linearly.

[0030] A guide hole is provided on the end wall of one end of the push rod 11; a through hole is opened on the end wall of the support sleeve 1, and a guide rod cap 16 is inserted into the through hole. The guide rod cap 16 passes through the support sleeve 1 and is inserted into the guide hole of the push rod 11 to guide the limit push rod 11; a T-block is provided at the other end of the push rod 11, which is used to linearly push the assembly of accessories, or buckle into the accessories to be assembled, and drive the accessories to rotate to adjust the angle of the accessories.

[0031] The outer side of the rotating sleeve 6 is provided with an outer sleeve 12; the side walls of the rotating sleeve 6 and the outer sleeve 12 are provided with positioning holes 15 arranged in the radial direction, and the positioning holes 15 are inserted with positioning columns 14 for connecting the rotating sleeve 6 and the outer sleeve 12 to each other.

[0032] Furthermore, the utility model designs a locking mechanism for high-precision assembly that can accurately control the rotation of a rotating sleeve by toggling the rotating transmission to the tooth connection, and converts the rotating motion into the linear motion and rotating motion of the push rod through the threaded connection, thereby realizing high-precision adjustment of the assembly angle or assembly gap. The utility model belongs to an accessory assembly auxiliary device, which can be used in the field where the relative angle and relative spacing of two assembly accessories need to be adjusted during the assembly process, for example, it can be used in the field of assembly of carbon fiber tubes and magnesium alloy connection hinges of LED screen brackets. Specifically, the utility model uses a support sleeve with an installation space inside as the main structure, and a support assembly formed by connecting the support sleeve and a support plate is covered at the open surface of one side of the support sleeve installation space, which is used to close the open surface of the installation space; a support shaft is vertically provided on a side wall of the support plate close to the support sleeve, and a spring and a dial seat are sleeved on the support shaft, and the two ends of the dial seat extend to the two sides of the support shaft respectively, and a spring bearing seat is provided at the lower part of one end of the dial seat, and a latching tooth is provided on the end wall of the other end of the dial seat. At the same time, one end of the spring extends downwardly to the lower part of the spring bearing seat and presses against the spring bearing seat from below. In the natural state, the elastic force of the spring pushes the spring bearing seat upward, so that one end of the dial seat has a tendency to move upward, that is, the other end of the dial seat has a tendency to move downward; at the same time, a rotating sleeve is rotatably inserted in the support sleeve, and a rotating tooth is provided on the outer wall surface of the rotating sleeve. The rotating sleeve is connected with the latching tooth at the other end of the dial seat through the rotating tooth, and the natural state The limit rotating sleeve can be clamped and fixed in the radial direction through the elastic force of the spring and the locking teeth embedded in the rotating teeth to prevent it from rotating. When one end of the dial seat is subjected to external pressure, the pressure overcomes the elastic force of the spring and presses down one end of the dial seat, and the other end of the dial seat can drive the rotating seat to rotate through the locking teeth; when the rotating seat rotates, it can drive the push rod inserted therein and threadedly connected with it to rotate and move in a linear direction at the same time. After the push rod is buckled with the accessory through the T-block at its end, it can drive the accessory to rotate to adjust its assembly angle. At the same time, the end face of the T-block can also push the accessory in a straight line to adjust the linear installation position of the accessory, and by controlling the size of the locking teeth and the rotating teeth, in the actual assembly process, the number of teeth of the rotating teeth driven by the locking teeth during the rotation of the dial seat is used to achieve high-precision control of the rotation angle, thereby achieving precise control of the rotation angle of the push rod or the linear pushing distance of the push rod, effectively improving the assembly accuracy.

[0033] The embodiments of the utility model are only to introduce its specific implementation methods and are not intended to limit its protection scope. The technicians in this industry can make some modifications inspired by the embodiments, so any equivalent changes or modifications made in accordance with the scope of the utility model patent are within the scope of the claims of the utility model patent.

Claims

1. An adjustment and locking mechanism for high-precision assembly, used to assist in assembling accessories, characterized in that: It comprises a support sleeve (1), a support assembly, a dial-rotate assembly and a rotary-push assembly, wherein: The support sleeve (1) is provided with an installation space inside, and one end of the installation space is an open surface; The support assembly is embedded in the installation space of the support sleeve (1); The dial assembly is rotatably connected to the support assembly, and one end of the dial assembly is supported by a spring of the support assembly. The elastic force provided by the spring pushes one end of the dial assembly upward, so that the other end of the dial assembly has a tendency to rotate downward; The rotary direct push assembly is rotatably inserted in the support assembly, and comprises a rotary sleeve (6) and a push rod (11); the rotary sleeve (6) is toothedly connected to the other end of the rotary assembly; the push rod (11) is inserted in the rotary sleeve (6) and is threadedly connected to the rotary sleeve (6); when one end of the rotary assembly is pushed downward to overcome the elastic force of the spring, the other end of the rotary assembly drives the rotary sleeve (6) to rotate, and the rotary sleeve (6) drives the push rod (11) to move linearly, so as to press the assembly accessories and / or adjust the assembly angle of the accessories.

2. The adjusting and locking mechanism for high-precision assembly according to claim 1, characterized in that: One end of the installation space of the support sleeve (1) is a circular cavity structure.

3. The adjusting and locking mechanism for high-precision assembly according to claim 1, characterized in that: The support assembly comprises a support sleeve (3), a support plate (4), a support shaft (5) and a spring (10), wherein the support sleeve (3) is a circular ring structure; the support plate (4) is vertically connected to the ring wall of the support sleeve (3) and extends to one side, the two form an integral structure, and are embedded in the open surface of the installation space of the support sleeve (1) so as to close the open surface of the installation space, and the support sleeve (3) is embedded in the outer side of the circular cavity structure of the installation space; the support shaft (5) is vertically arranged on the side wall of the support plate (4) and extends horizontally in the direction of the installation space; the spring (10) is sleeved and fixed on the support shaft (5), and one end of the spring (10) extends obliquely downward along the side wall direction of the support plate (4).

4. The adjusting and locking mechanism for high-precision assembly according to claim 3, characterized in that: The dial-rotating assembly comprises a dial seat (8), a mounting hole is provided on the side wall of the dial seat (8), and the dial seat (8) is rotatably sleeved on the support shaft (5) through the mounting hole; a spring bearing seat (13) is provided at the lower part of one end of the dial seat (8); one end of the spring (10) extends below the spring bearing seat (13), and in a natural state, the elastic force of the spring (10) pushes the outer end of the dial seat (8) upward, so that the other end of the dial seat (8) has a tendency to rotate downward; and a latching tooth (9) is provided at the other end of the dial seat (8).

5. The adjusting and locking mechanism for high-precision assembly according to claim 4, characterized in that: The rotating sleeve (6) is horizontally rotatably inserted in the supporting sleeve (3); a rotating tooth (7) is provided on the outside of the rotating sleeve (6); the rotating tooth (7) is meshedly connected with the latching tooth (9); when the shifting seat (8) drives the latching tooth (9) to rotate, the latching tooth (9) drives the rotating sleeve (6) to rotate through the rotating tooth (7); and a first thread (a) is provided on the inner cavity side wall of the rotating sleeve (6).

6. The adjusting and locking mechanism for high-precision assembly according to claim 5, characterized in that: The push rod (11) is inserted into the inner cavity of the rotating sleeve (6); a second thread (b) is provided on the outer wall of the push rod (11); the push rod (11) and the rotating sleeve (6) are connected via the first thread (a) and the second thread (b); when the rotating sleeve (6) rotates, the push rod (11) is driven to rotate and move linearly.

7. The adjusting and locking mechanism for high-precision assembly according to claim 6, characterized in that: A guide hole is provided on the end wall of one end of the push rod (11); a through hole is opened on the end wall of the support sleeve (1), a guide rod cap (16) is inserted into the through hole, and the guide rod cap (16) passes through the support sleeve (1) and is inserted into the guide hole of the push rod (11) for guiding the limit push rod (11); a T-shaped block is provided on the other end of the push rod (11) for linearly pushing the accessories for assembly, or buckling into the accessories to be assembled, and driving the accessories to rotate to adjust the angle of the accessories.

8. The adjusting and locking mechanism for high-precision assembly according to claim 1, characterized in that: The outer side of the rotating sleeve (6) is provided with an outer sleeve (12); positioning holes (15) arranged in a radial direction are opened on the side walls of the rotating sleeve (6) and the outer sleeve (12); positioning columns (14) are inserted into the positioning holes (15) for connecting the rotating sleeve (6) and the outer sleeve (12) to each other.

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