CN218285315U

CN218285315U - Torque wrench with consistent tightening force for ultrasonic knife

Info

Publication number: CN218285315U
Application number: CN202222366599.3U
Authority: CN
Inventors: 尹宏屹; 张新岗; 郭双梅
Original assignee: Straws Shenzhen Medical Technology Co ltd
Current assignee: Straws Shenzhen Medical Technology Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-01-13
Anticipated expiration: 2032-09-06

Abstract

The utility model relates to an supersound sword dismouting spanner technical field, especially a torque wrench for supersound sword that tightening force is unanimous, including wrench body, wrench body one side edge's center department has seted up the connecting hole, and wrench body one side's center department has seted up spacing breach, and the inner wall of connecting hole rotates and is connected with the sleeve, and the center department of sleeve inner wall has seted up the wrench hole, the spacing rotor plate of middle part fixedly connected with of sleeve outer wall. The utility model has the advantages of: can hold in the palm through the tight spring in top and touch the ball, the realization will touch the ball and compress tightly spacing hole, the messenger bumps the inner wall that the ball can the spacing hole of chucking, and compress tightly through the tight spring in top and touch the ball, increase the resistance that spacing hole was deviate from, can rotate the sleeve through the resistance, make the wrench hole rotate the top tightening head of cutter, after the tight power is greater than the resistance, can make tightly bump the ball and extrude spacing hole, lose the restriction, make to rotate sleeve and wrench body and take place to rotate, thereby it obtains control to reach the tight power of going up, reach the unanimous purpose of the tight power of at every turn the biggest.

Description

Torque wrench with consistent tightening force for ultrasonic knife

Technical Field

The utility model relates to an supersound sword dismouting spanner technical field, especially a torque wrench for supersound sword that tightening force is unanimous.

Background

Present supersound sword transducer is connected with supersound cutter arbor and is adopted threaded connection's mode more, and the outer wall of cutter arbor adopts six prismatic structures, conveniently uses the spanner to entangle and tighten, but the tightening wrench in use who uses at present still has following problem:

the tightening force of the traditional tightening wrench is inconvenient to control, the firmness of the connection between the ultrasonic knife and the transducer cannot be controlled after the tightening is performed, and the excessive tightening force can cause the fracture risk at the connection part of the knife bar or the transducer and even cause the damage and the scrapping of equipment.

SUMMERY OF THE UTILITY MODEL

The purpose of the present invention is to solve at least one of the technical drawbacks.

Therefore, an object of the present invention is to provide a torque wrench for an ultrasonic scalpel with consistent tightening force, so as to solve the problems mentioned in the background art and overcome the disadvantages in the prior art.

In order to achieve the above object, an embodiment of the utility model provides an unanimous ultrasonic torque wrench for sword of screwing up power, including wrench body, wrench body one side edge's center department has seted up the connecting hole, wrench body one side center department has seted up spacing breach, the inner wall of connecting hole rotates and is connected with the sleeve, the center department of sleeve inner wall has seted up the wrench hole, the spacing rotor plate of middle part fixedly connected with of sleeve outer wall, a plurality of spacing holes have been seted up on spacing rotor plate surface, spacing rotor plate is located inside spacing breach, wrench body has been close to one side of connecting hole and has seted up a plurality of mounting holes, and is a plurality of ball bumping sleeve has all been cup jointed to the inside of mounting hole and has bumped the ball, the top sliding connection who bumps ball sleeve inner wall bumps the ball, the bottom of bumping ball sleeve inner wall is provided with the top fixedly connected with baffle, the ball bumps the surface that the ejecting baffle was promoted through the top, and is a plurality of ball bump the position of mounting hole around connecting hole ring array distribution, and is a plurality of mounting hole corresponding with the position of a plurality of spacing hole respectively, and a plurality of ball bumps the inner wall of a plurality of spacing hole respectively the card into.

By any of the above schemes, preferably, the diameter of the outer wall of the baffle is larger than that of the mounting hole, and the collision ball protrudes out of the outer wall of the baffle through the inner wall of the baffle.

The technical effect achieved by adopting the scheme is as follows: the baffle can limit the ball-touching sleeve from coming out of the mounting hole, and the inner wall also limits the ball-touching sleeve from coming out of the ball-touching sleeve.

In any of the above schemes, preferably, the puller spring is located between the ball-hitting sleeve and the ball-hitting sleeve, and the diameter of the puller spring is smaller than that of the ball-hitting sleeve.

The technical effect achieved by adopting the scheme is as follows: thereby make the top tight spring can hold in the palm and bump the ball, realize bumping ball and pressing spacing hole.

Preferably, by any of the above schemes, the diameter of the ball-touching sleeve is matched with the diameter of the mounting hole, the balls-touching inside the ball-touching sleeve are all protruded into the inside of the limiting notch, and the diameter of the balls-touching is larger than that of the limiting hole.

The technical effect achieved by adopting the scheme is as follows: the messenger bumps the inner wall that the ball can the spacing hole of chucking to compress tightly through the tight spring in top and bump the ball, increase the resistance that spacing hole is deviate from, can rotate the sleeve through the resistance, make the spanner hole rotate the top of the tool, after the last tension is greater than the resistance, can make and bump the ball tightly and extrude spacing hole, thereby lose the restriction, make to rotate sleeve and spanner main part and take place to rotate, thereby reach the tension and obtain control.

Preferably, in any of the above solutions, the diameter of the sleeve is adapted to the diameter of the inner wall of the connection hole, and the diameter of the inner wall of the sleeve is larger than the diameter of the wrench hole.

The technical effect achieved by adopting the scheme is as follows: so that the cutter bar can penetrate through the sleeve, and the upper end of the cutter bar is sleeved inside the wrench hole.

Preferably, in any of the above schemes, a dismounting wrench hole is formed in the center of one side of the wrench main body, which is far away from the connecting hole.

The technical effect achieved by adopting the scheme is as follows: the disassembly wrench hole adopts a sleeve structure of a traditional wrench, so that the rotating head can be locked, and the ultrasonic cutter bar can be conveniently rotated and loosened.

Compared with the prior art, the utility model has the advantages and beneficial effects do:

the utility model discloses a top tight spring can hold in the palm and bump the ball, realize bumping ball and compress tightly spacing hole, the messenger bumps the inner wall that the ball can the spacing hole of chucking, and compress tightly through top tight spring and bump the ball, increase the resistance that spacing hole is deviate from, can rotate the sleeve through the resistance, make the last top of wrench hole rotation cutter, after the tight power is greater than the resistance, can make tightly bump the ball and extrude spacing hole, thereby lose the restriction, make to rotate sleeve and wrench body and take place to rotate, thereby reach the tight power and control, reach the purpose that the maximum tight power is unanimous at every turn.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic structural view of the limiting rotating plate of the present invention;

fig. 3 is a schematic structural view of the wrench main body of the present invention;

fig. 4 is a schematic structural view of the ball-bumping sleeve of the present invention.

In the figure: 1-wrench body, 2-connecting hole, 3-limiting notch, 4-limiting rotating plate, 5-sleeve, 6-wrench hole, 7-mounting hole, 8-ball-bumping sleeve, 9-jacking spring, 10-bumping ball, 11-disassembling wrench hole, 13-limiting hole and 14-baffle.

Detailed Description

The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.

The first embodiment is as follows: as shown in fig. 1 to 4, a torque wrench for ultrasonic knife with consistent tightening force comprises a wrench body 1, a connection hole 2 is formed in the center of one side edge of the wrench body 1, a limiting notch 3 is formed in the center of one side of the wrench body 1, an inner wall of the connection hole 2 is connected with a sleeve 5 in a rotating mode, a wrench hole 6 is formed in the center of the inner wall of the sleeve 5, a limiting rotating plate 4 is fixedly connected to the middle of the outer wall of the sleeve 5, a plurality of limiting holes 13 are formed in the surface of the limiting rotating plate 4, the limiting rotating plate 4 is located inside the limiting notch 3, a plurality of mounting holes 7 are formed in two side faces of the wrench body 1 close to one side of the connection hole 2, ball-touching sleeves 8 are sleeved inside the mounting holes 7, ball-touching sleeves 8 are connected to the top of the inner wall of the ball-touching sleeves 8 in a sliding mode, a jacking spring 9 is arranged at the bottom of the inner wall of the ball-touching sleeves 8, a baffle plate 14 is fixedly connected to the top of the ball-touching sleeves 8, the ball-touching 10 pushes the outer surface of the baffle plate 14 through the jacking spring 9, the ball-touching sleeve 7 is distributed around an annular array of the connection hole 2, the mounting holes 7, the positions of the limiting holes are respectively corresponding to the positions of the limiting holes 13, and the ball-touching holes 10 are respectively, and clamped in a plurality of the limiting holes 13.

As a selectable technical scheme of the utility model, baffle 14 is the annular, and the diameter of 14 outer walls of baffle is greater than the diameter of mounting hole 7, and the diameter of 14 inner walls of baffle is less than the diameter of bumping ball 10, bumps ball 10 through the round hole protrusion of 14 inner walls of baffle in 14 outer walls of baffle, can restrict through baffle 14 and bump ball sleeve 8 and deviate from mounting hole 7, and the inner wall restricts again simultaneously and bumps ball 10 and deviate from and bump ball sleeve 8.

As an optional technical scheme of the utility model, top tight spring 9 is located and bumps ball sleeve 8 and bump between the ball 10, and the diameter of top tight spring 9 is less than the diameter of bumping ball 10, and the length after top tight spring 9 resets is greater than the length of bumping ball sleeve 8, makes top tight spring 9 can hold in the palm and bump ball 10, realizes will bumping ball 10 and compress tightly spacing hole 13.

As a selectable technical scheme, bump the diameter of a ball sleeve 8 and the diameter looks adaptation of mounting hole 7, the length of bumping a ball sleeve 8 equals with the degree of depth of mounting hole 7, bump the inside ball 10 equal protruding inside of going into spacing breach 3 of a ball sleeve 8, spacing rotor plate 4 is located and bumps between the baffle 14 of a ball sleeve 8 one end from top to bottom, the diameter of bumping ball 10 is greater than the diameter of spacing hole 13, make and bump the inner wall that ball 10 can the spacing hole 13 of chucking, and compress tightly through top tight spring 9 and bump ball 10, increase the resistance that spacing hole 13 was deviate from, can rotate sleeve 5 through the resistance, make the top head that pulls hole 6 and rotate the cutter, after the tight power of going up is greater than the resistance, can make and closely bump spacing hole 13 of ball 10 extrusion, thereby lose the restriction, make rotation sleeve 5 and spanner main part 1 take place to rotate, thereby it obtains control to reach the tight power of going up.

As a selectable technical scheme of the utility model, the diameter of sleeve 5 and the diameter looks adaptation of 2 inner walls of connecting hole, the length of sleeve 5 and the degree of depth looks adaptation of 2 inner walls of connecting hole, the diameter of 5 inner walls of sleeve are greater than the diameter of wrench hole 6, make the cutter arbor can pass sleeve 5, make the last headgear of cutter arbor in the inside of wrench hole 6.

As a selectable technical scheme of the utility model, wrench body 1 keeps away from the center department of 2 one sides of connecting hole and has offered dismantlement wrench hole 11, dismantles the sleeve structure that wrench hole adopted traditional spanner, can lock the rotating head, and the convenient rotation loosens the supersound cutter arbor.

The advantage of this embodiment is that the impact balls 10 on both sides can compress both sides of the limiting hole 13 at the same time, thereby improving the limiting effect of the compression.

Example two: in the embodiment, a plurality of mounting holes 7 are formed in one side surface of the wrench body 1 close to one side of the connecting hole 2, and the rest of the structure is the same as that of the embodiment.

A torque wrench for ultrasonic knives with consistent tightening force works according to the following principle:

1) Sleeving a wrench hole 6 on a tightening head of a cutter;

2) Then the wrench body 1 is rotated, the collision ball 10 is pressed tightly through the jacking spring 9, the resistance of the spacing hole 13 to be disengaged is increased, and the sleeve 5 can be rotated through the resistance, so that the cutter is rotationally tightened;

3) When the tightening force is greater than the resistance, the tightening ball 10 can be extruded out of the limiting hole 13, so that the limitation is lost, the rotating sleeve 5 and the wrench body 1 rotate, and the tightening force is controlled;

4) When the tool is disassembled, the wrench hole sleeve is disassembled to be sleeved on the tightening head of the tool, then the tightening head of the tool is reversed, and the loosening and the disassembling can be realized.

To sum up, this unanimous ultrasonic torque spanner for sword of tightening force can hold through top tighting spring 9 and touch ball 10, the realization will touch ball 10 and compress tightly spacing hole 13, make and touch the inner wall that ball 10 can the chucking spacing hole 13, and compress tightly through top tighting spring 9 and touch ball 10, increase the resistance that spacing hole 13 was deviate from, can rotate sleeve 5 through the resistance, make wrench hole 6 rotate the top tightening head of cutter, after last tighting force is greater than the resistance, can make and closely touch ball 10 and extrude spacing hole 13, thereby lose the restriction, make and rotate sleeve 5 and spanner main part 1 and take place the rotation, thereby reach and go up the tighting force and obtain control, reach the unanimous purpose of the biggest tighting force at every turn.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It will be understood by those skilled in the art that the invention, including any combination of the elements of the above description and the detailed description and illustrated in the accompanying drawings, is not limited to the details and should not be construed as limited to the embodiments set forth herein for the sake of brevity. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the invention, and that those skilled in the art may make variations, modifications, substitutions and alterations herein without departing from the spirit and scope of the invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a torque wrench for ultrasonic knife that tightening force is unanimous which characterized in that: the wrench comprises a wrench body (1), wherein a connecting hole (2) is formed in the center of one side edge of the wrench body (1), a limiting notch (3) is formed in the center of one side of the wrench body (1), a sleeve (5) is rotatably connected to the inner wall of the connecting hole (2), a wrench hole (6) is formed in the center of the inner wall of the sleeve (5), a limiting rotating plate (4) is fixedly connected to the middle of the outer wall of the sleeve (5), a plurality of limiting holes (13) are formed in the surface of the limiting rotating plate (4), the limiting rotating plate (4) is located inside the limiting notch (3), a plurality of mounting holes (7) are formed in one side, close to the connecting hole (2), of the wrench body (1), a plurality of ball-touching sleeves (8) are sleeved inside the mounting holes (7), a ball-touching sleeve (8) is connected to the top of the ball-touching sleeve (8) in a sliding mode, a ball-touching sliding mode is connected to the top of the inner wall of the ball-touching sleeve (8), a jacking spring (9) is arranged at the bottom of the inner wall of the ball-touching sleeve (8), a baffle (14) is fixedly connected to the top of the ball-touching sleeve (8), the ball-touching type baffle (10) pushes the outer surface of the baffle (14) through the baffle (7), and the array of the array-type baffle (7) is distributed around the limiting holes (7) and distributed around the corresponding mounting holes (13), the collision balls (10) are respectively clamped into the inner walls of the limit holes (13).

2. The consistent tightening force torque wrench for an ultrasonic blade according to claim 1, further comprising: the diameter of the outer wall of the baffle (14) is larger than that of the mounting hole (7), and the collision ball (10) protrudes out of the outer wall of the baffle (14) through the inner wall of the baffle (14).

3. The consistent tightening force ultrasonic blade torque wrench of claim 2, wherein: the jacking spring (9) is positioned between the ball-touching sleeve (8) and the ball-touching ball (10), and the diameter of the jacking spring (9) is smaller than that of the ball-touching ball (10).

4. The consistent tightening force ultrasonic blade torque wrench of claim 3, wherein: bump the diameter of a ball sleeve (8) and the diameter looks adaptation of mounting hole (7), bump inside ball (10) of a ball sleeve (8) and all bulge into the inside of spacing breach (3), the diameter of bumping ball (10) is greater than the diameter of spacing hole (13).

5. The consistent tightening force ultrasonic blade torque wrench of claim 4, wherein: the diameter of the sleeve (5) is matched with the diameter of the inner wall of the connecting hole (2), and the diameter of the inner wall of the sleeve (5) is larger than that of the wrench hole (6).

6. The torque wrench for the ultrasonic blade with consistent tightening force according to claim 5, wherein: the center of one side of the wrench main body (1) far away from the connecting hole (2) is provided with a disassembling wrench hole (11).