A clamp for assembling threaded connecting rods

Abstract

The application discloses a clamp for assembling a threaded connecting rod, and belongs to the technical field of ultrasonic knife assembly, which comprises a limiting sleeve, an adjusting screw rod and an adjusting disc, the adjusting disc is installed in a transverse installation hole of the limiting sleeve, the adjusting screw rod is installed in a vertical installation hole of the limiting sleeve, the adjusting screw rod is in threaded connection with the adjusting disc, so that the height of the adjusting screw rod can be adjusted by rotating the adjusting disc; the limiting sleeve comprises a limiting sleeve main body and a pressing block, the pressing block is used for cooperating with the limiting sleeve main body to form a connecting hole for clamping the threaded connecting rod, the connecting hole is in communication with the transverse installation hole, and the pressing block is provided with at least one fastening screw rod which is used for pressing the pressing block to the outer circumferential part of the threaded connecting rod. The threaded connecting rod parts can be assembled without damage, and can be disassembled without affecting the assembly state after the assembly is completed, the assembly operation is simple, and the assembly quality is good.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of ultrasonic knife assembly, more particularly, to a clamp for assembling threaded connecting rod. BACKGROUND

[0002] The threaded connecting rod of the ultrasonic knife needs to be tightly fitted with the transducer of the ultrasonic knife during assembly to prevent the threaded connecting rod from shaking.

[0003] In the prior art, in order to successfully complete the assembly, the threaded connecting rod and the transducer are set to be loosely fitted, and the gap is filled by using thread adhesive or the like. Since the actual hardness of the thread adhesive or the like after solidification is obviously lower than that of the connecting parts, this connection mode will cause the impedance of the transducer to increase, change the vibration mode of the transducer, and affect the vibration stability of the vibrator during use.

[0004] If the threaded connecting rod and the transducer are connected in a tightly fitted manner, the threaded connecting rod needs to be interference-fitted with the transducer. During assembly of the threaded connecting rod, the conventional clamp wrench needs to exert a large pressing force during assembly, which causes the threads at one end of the threaded connecting rod to be extruded and deformed, so that the ultrasonic knife head cannot be assembled, and the completed threaded connecting rod is easily taken out due to excessive force during disassembly of the clamp, resulting in assembly failure.

[0005] In summary, how to provide an assembly clamp that is convenient to assemble and does not damage the structure of the threaded connecting rod is a problem that needs to be solved by the technical personnel in the field at present. SUMMARY

[0006] Therefore, the present application aims to provide a clamp for assembling threaded connecting rod, which can assemble threaded connecting rod parts without damage and can be disassembled without affecting the assembly state after assembly, is simple to operate, and ensures the assembly quality of the threaded connecting rod.

[0007] In order to achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0008] A clamp for assembling threaded connecting rod, comprising a limiting sleeve, an adjusting screw and an adjusting disc, the adjusting disc is installed in the transverse installation hole of the limiting sleeve, the adjusting screw is installed in the vertical installation hole of the limiting sleeve, and the adjusting screw is threadedly connected with the adjusting disc, so as to adjust the height of the adjusting screw by rotating the adjusting disc;

[0009] The limiting sleeve comprises a limiting sleeve main body and a pressing block, the pressing block is used to cooperate with the limiting sleeve main body to form a connecting hole for clamping the threaded connecting rod, the connecting hole is communicated with the transverse installation hole, and the pressing block is provided with at least one fastening screw, and the fastening screw is used to press the pressing block to the outer circumferential part of the threaded connecting rod.

[0010] Preferably, the outer circumferential part of the limiting sleeve is provided with a pin hole, the adjusting screw is provided with a through limiting slot, the limiting slot extends along the axial direction of the adjusting screw, and a limiting pin sequentially passes through the pin hole on one side of the limiting sleeve, the limiting slot of the adjusting screw and the pin hole on the other side of the limiting sleeve.

[0011] Preferably, the limiting slot is arranged below the outer thread of the adjusting screw.

[0012] Preferably, the center of the vertical mounting hole is located on the axis of the limiting sleeve.

[0013] Preferably, the upper end of the limiting sleeve is provided with a clamping part for clamping cooperation with a torque wrench.

[0014] Preferably, the outer circumferential part of the adjusting disc is uniformly provided with a plurality of scale grooves in the circumferential direction, and the scale grooves are used to indicate the height of the upward and downward movement of the adjusting screw.

[0015] Preferably, an internal thread is arranged in the connecting hole and is in threaded connection with the threaded connecting rod.

[0016] The clamp for assembling the threaded connecting rod provided by the present application is used for assembling the threaded connecting rod, and the threaded connecting rod to be assembled is placed in the connecting hole of the limiting sleeve body, and the compression block and the limiting sleeve body are integrally pressed by the fastening screw at this time, so that the compression block and the outer circumferential part of the threaded connecting rod abut, thereby avoiding the circumferential displacement and relative rotation of the threaded connecting rod; the adjusting screw is inserted into the vertical mounting hole of the limiting sleeve, the height of the adjusting screw is adjusted by rotating the adjusting disc, so that the lower end surface of the adjusting screw abuts against the upper end surface of the threaded connecting rod, thereby limiting the displacement of the threaded connecting rod in the axial direction.

[0017] After the clamping is completed, the limiting sleeve is rotated by using a torque wrench or manually, so that the threaded connecting rod is connected with the transducer; after the assembly is completed, the fastening screw is loosened, so that the compression block is separated from the limiting sleeve body, so as to take out the threaded connecting rod from the limiting sleeve, and the clamp and the threaded connecting rod are disassembled, so as to be prepared for next assembly.

[0018] Therefore, the clamp for assembling the threaded connecting rod provided by the present application can assemble the threaded connecting rod type parts without damage, can be disassembled without affecting the assembly state after the assembly is completed, the assembly operation is simple, and the assembly quality of the threaded connecting rod is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below only constitute a part of the embodiments of the present application, and all other drawings obtained by those skilled in the art without creative effort based on the provided drawings also belong to the protection scope of the present application.

[0020] Figure 1 The structure schematic diagram of the specific embodiment of the clamp for assembling threaded connecting rod provided by the present application is shown in the figure.

[0021] Figure 2 The structure schematic diagram of the specific embodiment of the clamp for assembling threaded connecting rod provided by the present application is shown in the figure. Figure 1 The cross-sectional schematic diagram in the side view direction is shown in the figure.

[0022] Figure 3 The top view schematic diagram is shown in the figure. Figure 2

[0023] Figure 4 The exploded schematic diagram is shown in the figure. Figure 1

[0024] Figure 5 The assembly schematic diagram of the clamp for assembling threaded connecting rod and the threaded connecting rod is shown in the figure.

[0025] Figure 6 The side view schematic diagram is shown in the figure. Figure 5

[0026] In the figure: Figures 1-6 01 is a threaded connecting rod, 1 is a limiting sleeve, 11 is a limiting sleeve main body, 111 is a clamping part, 12 is a pressing block, 2 is an adjusting screw, 21 is a limiting groove, 3 is an adjusting disc, 4 is a limiting pin, and 5 is a fastening screw.

[0027] DETAILED DESCRIPTION The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments only constitute a part of the embodiments of the present application, and all other embodiments obtained by those skilled in the art without creative effort based on the provided drawings also belong to the protection scope of the present application.

[0028] The core of the present application is to provide a clamp for assembling threaded connecting rod, which can assemble threaded connecting rod parts without damage and can be disassembled without affecting the assembly state after assembly, the assembly operation is simple, and the assembly quality of the threaded connecting rod is ensured.

[0029] The core of the present application is to provide a clamp for assembling threaded connecting rod, which can assemble threaded connecting rod parts without damage and can be disassembled without affecting the assembly state after assembly, the assembly operation is simple, and the assembly quality of the threaded connecting rod is ensured.

[0030] Please refer to Figures 1-6 .

[0031] ​​The threaded connecting rod assembly jig provided by the application comprises a limiting sleeve 1, an adjusting screw 2 and an adjusting disc 3, the adjusting disc 3 is installed in the horizontal installation hole of the limiting sleeve 1, the adjusting screw 2 is installed in the vertical installation hole of the limiting sleeve 1, and the adjusting screw 2 is in threaded connection with the adjusting disc 3, so as to adjust the height of the adjusting screw 2 by rotating the adjusting disc 3;

[0032] The limiting sleeve 1 comprises a limiting sleeve main body 11 and a pressing block 12, the pressing block 12 is used for cooperating with the limiting sleeve main body 11 to enclose a connecting hole for clamping the threaded connecting rod 01, the connecting hole is in communication with the horizontal installation hole, and the pressing block 12 is provided with at least one fastening screw 5, which is used for pressing the pressing block 12 to the outer circumferential part of the threaded connecting rod 01.

[0033] The limiting sleeve 1 is designed in a split type, comprising the limiting sleeve main body 11 and the pressing block 12, the pressing block 12 can be pressed to the outer circumferential part of the threaded connecting rod 01 through the fastening screw 5 installed thereon, so as to clamp the threaded connecting rod 01 in the connecting hole enclosed by the limiting sleeve main body 11 and the pressing block 12.

[0034] When the outer circumferential surface of the pressing block 12 is coplanar with the outer circumferential surface of the limiting sleeve main body 11, the inner diameter of the connecting hole is d1, and when the inner circumferential surface of the pressing block 12 is coplanar with the outer circumferential surface of the limiting sleeve main body 11, the inner diameter of the connecting hole is d2.

[0035] Due to the split design of the limiting sleeve main body 11 and the pressing block 12, the connecting hole can be used not only for the assembly of the threaded connecting rod 01 with an outer diameter of d1, but also for the assembly of the threaded connecting rod 01 with an outer diameter of d1

[0036] The connecting hole can be provided as a threaded hole or a smooth hole; preferably, an internal thread for threaded connection with the threaded connecting rod 01 can be arranged in the connecting hole, so as to prevent the threaded connecting rod 01 from sliding up and down relative to the connecting hole during assembly, thereby preventing the threads of the threaded connecting rod 01 from being damaged.

[0037] In consideration of the need for accurate assembly, preferably, the upper end of the limiting sleeve 1 is provided with a clamping part 111 for clamping cooperation with a torque wrench, and the assembly force is controlled by the torque wrench with a corresponding shape.

[0038] Please refer to Figure 2 The limiting sleeve main body 11 is provided with a vertical installation hole for installing the adjusting screw 2 and a horizontal installation hole for installing the adjusting disc 3, and the vertical installation hole and the horizontal installation hole are through; at the same time, the vertical installation hole and the connecting hole for clamping the threaded connecting rod 01 at the bottom of the limiting sleeve main body 11 are through.

[0039] Preferably, the center of the vertical installation hole is located on the axis of the limiting sleeve 1, that is, the adjusting screw 2 is installed at the center of the limiting sleeve 1.

[0040] The adjusting screw 2 is threadedly connected with the adjusting disc 3, the outer periphery of the adjusting screw 2 is provided with external threads, the inner periphery of the adjusting disc 3 is provided with internal threads matched with the external threads, and the height of the adjusting disc 3 is always unchanged when the adjusting disc 3 is installed in the limiting sleeve main body 11, so that the adjusting disc 3 can drive the adjusting screw 2 to move along the axis direction of the vertical mounting hole when the adjusting disc 3 is rotated.

[0041] The pitch of the external threads of the adjusting screw 2 and the outer diameter of the adjusting disc 3 can affect the adjustment accuracy of the height of the adjusting screw 2 by the adjusting disc 3; the smaller the pitch of the external threads of the adjusting screw 2 is, the larger the outer diameter of the adjusting disc 3 is, and the higher the adjustment accuracy of the adjusting disc 3 is.

[0042] In order to facilitate the adjustment of the moving height of the adjusting screw 2, preferably, the outer periphery of the adjusting disc 3 can be uniformly provided with a plurality of marking grooves in the circumferential direction, and the marking grooves are used to indicate the height of the upward and downward movement of the adjusting screw 2, as shown in Figure 1 and Figure 5 .

[0043] The specific elevation difference between the adjacent two marking grooves is determined according to the lead of the external threads of the adjusting screw 2 and the rotation angle of the adjusting screw 2 in actual production.

[0044] Preferably, as shown in Figure 2 and Figure 4 , the outer periphery of the limiting sleeve 1 is provided with pin holes, the adjusting screw 2 is provided with a limiting groove 21 extending along the axis direction of the adjusting screw 2, and the limiting pin 4 passes through the pin holes on one side of the limiting sleeve 1, the limiting groove 21 of the adjusting screw 2 and the pin holes on the other side of the limiting sleeve 1 in sequence.

[0045] When the adjusting disc 3 drives the adjusting screw 2 to move upward, the limiting pin 4 moves downward relative to the limiting groove 21; conversely, when the adjusting disc 3 drives the adjusting screw 2 to move downward, the limiting pin 4 moves upward relative to the limiting groove 21.

[0046] Therefore, the height of the limiting groove 21 determines the range of the upward and downward movement of the adjusting screw 2, the upper end thereof determines the lowest point of the adjusting screw 2, and the lower end thereof determines the highest point of the adjusting screw 2.

[0047] The limiting groove 21 can be arranged above the external threads of the adjusting screw 2, or below the external threads of the adjusting screw 2, and the height of the outer edge of the external threads of the adjusting screw 2 is determined according to the actual production needs, which will not be described here.

[0048] When assembling, the threaded connecting rod 01 to be assembled is placed into the connecting hole of the limiting sleeve body 11, the compression block 12 is pressed into an integral body with the limiting sleeve body 11 by means of the fastening screw 5, at this time, the compression block 12 abuts against the outer circumferential part of the threaded connecting rod 01, avoiding the circumferential displacement and relative rotation of the threaded connecting rod 01; the adjusting screw 2 is inserted into the vertical mounting hole of the limiting sleeve 1, the height of the adjusting screw 2 is adjusted by rotating the adjusting disc 3, so that the lower end surface of the adjusting screw 2 abuts against the upper end surface of the threaded connecting rod 01, thereby limiting the threaded connecting rod 01 from moving in the axial direction.

[0049] After the clamping is completed, the limiting sleeve 1 is rotated by means of a torque wrench or manually, so that the threaded connecting rod 01 is connected with the transducer; after the assembly is completed, the fastening screw 5 is loosened, so that the compression block 12 is separated from the limiting sleeve body 11, so as to take out the threaded connecting rod 01 from the limiting sleeve 1, the disassembly of the clamp and the threaded connecting rod 01 is completed, so as to be prepared for the next assembly.

[0050] In the embodiment, the threaded connecting rod assembly clamp can assemble the threaded connecting rod parts without damage, and can be disassembled without affecting the assembly state after the assembly is completed, the assembly operation is simple, and the assembly quality of the threaded connecting rod 01 is ensured.

[0051] In the specification, each embodiment is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same and similar parts between each embodiment can be referred to each other.

[0052] The threaded connecting rod assembly clamp provided by the present application is described in detail. The principles and implementation modes of the present application are described by applying specific examples, and the description of the above embodiments is only used to help understand the method of the present application and its core idea. It should be pointed out that, for ordinary skilled persons in the technical field, some improvements and modifications can be made to the present application without departing from the principles of the present application, and these improvements and modifications also fall within the protection scope of the claims of the present application.

Claims

1. A fixture for assembling threaded connecting rods, characterized in that, It includes a limiting sleeve (1), an adjusting screw (2) and an adjusting disc (3). The adjusting disc (3) is installed in the horizontal mounting hole of the limiting sleeve (1), and the adjusting screw (2) is installed in the vertical mounting hole of the limiting sleeve (1). The adjusting screw (2) is threadedly connected to the adjusting disc (3) so that the height of the adjusting screw (2) can be adjusted by rotating the adjusting disc (3). The limiting sleeve (1) includes a limiting sleeve body (11) and a clamping block (12). The clamping block (12) is used to cooperate with the limiting sleeve body (11) to form a connecting hole for clamping the threaded connecting rod (01). The connecting hole communicates with the transverse mounting hole. The clamping block (12) is provided with at least one fastening screw (5). The fastening screw (5) is used to press the clamping block (12) against the outer periphery of the threaded connecting rod (01). The outer periphery of the limiting sleeve (1) is provided with a pin hole, and the adjusting screw (2) is provided with a through limiting groove (21). The limiting groove (21) extends along the axial direction of the adjusting screw (2). The limiting pin (4) passes through the pin hole on one side of the limiting sleeve (1), the limiting groove (21) of the adjusting screw (2), and the pin hole on the other side of the limiting sleeve (1) in sequence. When the adjusting disc (3) drives the adjusting screw (2) to move upward, the limiting pin (4) moves downward relative to the limiting groove (21). When the adjusting disc (3) drives the adjusting screw (2) to move downward, the limiting pin (4) moves upward relative to the limiting groove (21). The outer periphery of the adjusting plate (3) is uniformly provided with several engraved grooves along the circumferential direction. The engraved grooves are used to indicate the height of the adjusting screw (2) moving up and down.

2. The jig for assembling threaded connecting rods according to claim 1, characterized in that, The limiting groove (21) is located below the external thread of the adjusting screw (2).

3. The jig for assembling threaded connecting rods according to claim 1, characterized in that, The center of the vertical mounting hole is located on the axis of the limiting sleeve (1).

4. The jig for assembling threaded connecting rods according to any one of claims 1-3, characterized in that, The upper end of the limiting sleeve (1) is provided with a snap-fit ​​part (111) for engaging with a torque wrench.

5. The jig for assembling threaded connecting rods according to any one of claims 1-3, characterized in that, The connecting hole is provided with an internal thread that is threadedly connected to the threaded connecting rod (01).

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