CN220453038U - Clamping device - Google Patents

Abstract

The utility model relates to the technical field of medical equipment and discloses a clamping device which comprises an insert, a fixed seat and a rotating seat; the plug-in comprises a main body and at least one limiting wing, and the limiting wing is positioned on the surface of the main body; the fixed seat is provided with a rotating groove, a jack and at least one limiting groove, the jack is cylindrical, the shape of the jack is matched with that of the main body, the rotating groove is annular and surrounds the jack, the rotating groove is recessed from the jack in a direction away from the central axis of the jack, the limiting wing can extend into the rotating groove and rotate along the rotating groove, the limiting groove extends along the axial direction of the jack, the limiting groove is recessed from the jack in a direction away from the central axis of the jack, and the limiting groove is intersected with the rotating groove; the rotary seat is sleeved outside the fixed seat and rotates relative to the fixed seat, the rotary seat is provided with a connecting part for butting the limiting wings, the connecting part stretches into the rotary groove, the rotary seat is contacted with the fixed seat, when the rotary seat rotates relative to the fixed seat, the rotary seat and the fixed seat slide and rub, and the hand feeling of the plug-in unit when the plug-in unit is butted with the fixed seat is improved.

Description

Clamping device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a clamping device.

Background

The current hydrodynamic therapy equipment often uses chucking device in the butt joint, chucking device generally includes chucking structure body and inserts the body, and chucking structure body and inserts the body and often use magnet absorbing mode when the butt joint, but this mode inserts chucking structure body and rotatory in-process at the inserts body, there is not suitable damping sense, can not feel great magnet adsorption force until inserts body rotation in place after, the abrupt change that above-mentioned process exists the power, man-machine interaction uses experience is not good, simultaneously, still there is the characteristics that the structure is complicated in the aspect of the current hydrodynamic therapy equipment chucking technology, like adopting more complicated crank locking mechanism etc. in order to realize the chucking, greatly increased the manufacturing cost of device.

Disclosure of Invention

The utility model aims to solve the technical problems that: the existing clamping device lacks handfeel during butt joint, and is poor in experience and high in cost.

In order to solve the technical problems, the utility model provides a clamping device which comprises an insert, a fixed seat and a rotating seat; the plug-in comprises a main body and at least one limiting wing, wherein the limiting wing is positioned on the surface of the main body; the fixing seat is provided with a rotating groove, a jack for inserting the main body and at least one limiting groove for penetrating the limiting wings, the jack is cylindrical, the shape of the jack is matched with that of the main body, the rotating groove is annular and surrounds the outside of the jack, the rotating groove is recessed from the jack to a direction away from the central axis of the jack, the limiting wings can extend into the rotating groove and rotate along the rotating groove, the limiting grooves extend along the axial direction of the jack, the limiting grooves are recessed from the jack to a direction away from the central axis of the jack, and the limiting grooves are intersected with the rotating groove; the rotary seat is sleeved outside the fixed seat and rotates relative to the fixed seat, the rotary seat is provided with a connecting part for abutting the limiting wings, the connecting part stretches into the rotary groove, the rotary seat is in contact with the fixed seat, and when the rotary seat rotates relative to the fixed seat, the rotary seat and the fixed seat slide and rub.

Further, at least one damping ring is arranged between the fixed seat and the rotating seat, the damping ring is sleeved outside the fixed seat, and the damping ring is respectively contacted with the fixed seat and the rotating seat.

Further, the side of fixing base has seted up curved fretwork hole, the fretwork hole is located rotate the groove periphery and with rotate the groove and be linked together, connecting portion pass the fretwork hole stretches into rotate the groove, connecting portion is equipped with the breach that can hold spacing wing towards the one end of jack.

Further, the rotating seat comprises a sleeve body and an elastic piece, the sleeve body is sleeved outside the fixed seat, the connecting portion is connected with the sleeve body, the elastic piece is installed on the sleeve body, a clamping piece is arranged on the fixed seat, the elastic piece abuts against the clamping piece, the clamping piece is provided with a clamping position for clamping the elastic piece, and the clamping position is located on a rotating track of the elastic piece.

Further, the elastic piece comprises a ball and a spring, one end of the spring is connected with the rotating seat, the other end of the spring is connected with the ball, the clamping piece is inwards recessed to form the clamping position, and the inner surface of the clamping position is a cambered surface.

Further, the fixing seat is provided with a drainage channel, the drainage channel extends along the axial direction of the jack, and the drainage channel is communicated with the rotating groove.

Further, an elastic body is arranged on the end face of the main body.

Further, the elastic body comprises an elastic arm, one end of the elastic arm is connected with the end face of the main body, a gap is reserved between the other end of the elastic arm and the end face of the main body, and a contact is arranged on one side, facing away from the end face of the main body, of the elastic arm.

Further, the opening of the jack is provided with an annular guide surface, and the aperture of one side of the guide surface close to the rotating groove is smaller than that of one side far away from the rotating groove.

Further, the limit groove is at least one, the limit wings are located on the same circumference of the main body, and the limit grooves are in one-to-one correspondence with the limit wings.

Compared with the prior art, the clamping device has the beneficial effects that: through setting up rotatable roating seat outside the fixing base, insert the jack in the main part after, spacing wing drives roating seat and fastener and takes place sliding friction, when guaranteeing that plug-in components and fixing base are firmly fixed, improves the feel when plug-in components and fixing base butt joint, improves the interactive experience of interpersonal, just chucking device simple structure, with low costs, be convenient for make.

Drawings

FIG. 1 is a schematic structural view of a fixing base;

FIG. 2 is a plan view of the holder;

FIG. 3 is a cross-sectional view of the holder;

FIG. 4 is a schematic structural view of an insert;

fig. 5 is a schematic view of the assembly of the insert and the holder.

In the figure, 1, an insert; 11. a main body; 12. an elastomer; 121. an elastic arm; 122. a contact; 13. limit wings; 2. a fixing seat; 21. a rotating groove; 22. a jack; 221. a guide surface; 23. a limit groove; 24. a clamping piece; 241. clamping; 25. a drainage channel; 26. an auxiliary groove; 3. a rotating seat; 31. a connection part; 32. a sleeve body; 321. a transmission block; 33. an elastic member; 331. a ball; 332. a spring; 4. damping rings.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", etc. in the present utility model are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1 and 4, a clamping device according to a preferred embodiment of the present utility model includes an insert 1, a fixing seat 2 and a rotating seat 3, wherein the fixing seat 2 is disposed on one of the medical devices to be docked, the insert 1 is disposed on the other medical device to be docked, the two medical devices are docked by inserting the insert 1 into the rotating seat 3, and the rotating seat 3 increases the operation feel of a user when the insert 1 is connected with the rotating seat 3.

As shown in fig. 4, the insert 1 includes a main body 11 and at least one limiting wing 13, the main body 11 is cylindrical, the limiting wing 13 is located on the surface of the main body 11, the limiting wing 13 is integrally formed with the main body 11, and the limiting wing 13 protrudes from the main body 11 toward a central axis direction away from the main body 11.

As shown in fig. 1-5, the fixing base 2 is provided with a rotating groove 21, an inserting hole 22 and at least one limiting groove 23. The insertion hole 22 is cylindrical, the shape of the insertion hole 22 is matched with the shape of the main body 11, the insertion hole 22 can be inserted into the main body 11, and the main body 11 can rotate in the insertion hole 22. The limit groove 23 extends along the axial direction of the jack 22, and the limit groove 23 is recessed from the jack 22 in a direction away from the central axis of the jack 22, and when the main body 11 is inserted into the jack 22, the limit wing 13 can extend into the limit groove 23 and translate along the limit groove 23. The rotating groove 21 is annular and surrounds the outside of the jack 22, the rotating groove 21 is recessed from the jack 22 to a direction away from the central axis of the jack 22, the rotating groove 21 is communicated with the jack 22, and the central axis of the rotating groove 21 is the same as the central axis of the jack 22. The limiting groove 23 intersects with the rotating groove 21, when the limiting wings 13 enter the rotating groove 21 from the limiting groove 23, a user can rotate the limiting wings 13 around the central axis of the jack 22 and along the rotation of the rotating groove 21 through rotating the main body 11, so that the limiting wings 13 are misplaced with the limiting groove 23, and the plug-in 1 is locked on the fixing seat 2.

As shown in fig. 1-4, the rotating seat 3 is sleeved outside the fixed seat 2, and the rotating seat 3 can rotate relative to the fixed seat 2. The rotating seat 3 is provided with a connecting part 31 for abutting the limiting wings 13, the connecting part 31 stretches into the rotating groove 21, when the rotating seat 3 is in the initial position, the main body 11 is inserted into the insertion hole 22, and the limiting wings 13 abut against the connecting part 31. The swivel mount 3 with fixing base 2 contacts, and when swivel mount 3 is in initial position, the user is manual with main part 11 insert jack 22 in to when rotatory main part 11, spacing wing 13 can promote connecting portion 31, makes connecting portion 31 rotate, whole swivel mount 3 is rotatory relatively fixing base 2, swivel mount 3 take place sliding friction with fixing base 2 in rotatory in-process, and the resistance that the user's hand received when can feeling main part 11 rotation for insert 1 is locking in fixing base 2 in-process, and the feel that the user obtained has apparent promotion.

As shown in fig. 1-3, at least one damping ring 4 is arranged between the fixed seat 2 and the rotating seat 3, the damping ring 4 is sleeved outside the fixed seat 2, and the damping ring 4 is fixed outside the fixed seat 2. The damping ring 4 respectively with fixing base 2 with roating seat 3 contacts, damping ring 4 can be rubber circle or silica gel circle, and when roating seat 3 rotated relative fixing base 2, damping ring 4 can improve the resistance that roating seat 3 received when rotatory to improve the feel when the user locks plug-in components 1 on fixing base 2.

As shown in fig. 1-5, in this embodiment, an arc-shaped hollow hole is formed in the side surface of the fixing seat 2, the hollow hole is located at the periphery of the rotating groove 21 and is communicated with the rotating groove 21, the hollow hole extends along the circumferential direction of the jack 22, the connecting portion 31 passes through the hollow hole and extends into the rotating groove 21, the connecting portion 31 can move back and forth in the hollow hole along the extending direction of the hollow hole, and a notch capable of accommodating the limiting wing 13 is formed at one end of the connecting portion 31 facing the jack 22. When the rotating seat 3 is at the initial position, the notch is in the extending direction of the limiting groove 23, after the user inserts the main body 11 into the jack 22, the limiting wing 13 enters the notch in the rotating groove 21 from the limiting groove 23, and after the user rotates the main body 11, the limiting wing 13 pushes the connecting part 31 to rotate in the notch, so that the rotating seat 3 rotates.

As shown in fig. 1-3, the rotating seat 3 includes a sleeve body 32 and an elastic member 33, the sleeve body 32 is sleeved outside the fixed seat 2, the connecting portion 31 is connected with the sleeve body 32, a transmission block 321 is disposed on the outer surface of the sleeve body 32, the elastic member 33 is mounted on the transmission block 321, and the elastic member 33 can stretch along the axial direction of the jack 22. The fixing seat 2 is provided with a clamping piece 24, the elastic piece 33 is propped against the clamping piece 24, the clamping piece 24 is provided with a clamping position 241 for clamping the elastic piece 33, the clamping position 241 is positioned on the rotating track of the elastic piece 33, when the rotating seat 3 rotates, the elastic piece 33 can slide on the clamping piece 24 and generate sliding friction, and the resistance of the sliding friction can be fed back to the hand of a user, so that the user has more handfeel when the plug-in unit 1 rotates. In addition, because the clamping position 241 is arranged on the rotating track of the elastic piece 33, after the rotating seat 3 rotates by a certain angle, the elastic piece 33 can be clamped on the clamping position 241, and the clamping position 241 can play a certain limiting role on the rotation of the rotating seat 3, so that the rotating seat 3 is locked to a certain extent, and the rotating seat 3 is prevented from continuing to rotate.

As shown in fig. 1-5, in this embodiment, the elastic member 33 includes a ball 331 and a spring 332, a blind hole is disposed on the transmission block 321, the blind hole faces the clamping member 24, the spring 332 is disposed in the blind hole, one end of the spring 332 is connected to the bottom end of the blind hole, the other end of the spring 332 is connected to the ball 331, the ball 331 may slide along the depth direction of the blind hole, the clamping member 24 is recessed inwards to form the clamping position 241, the inner surface of the clamping position 241 is a cambered surface, when the ball 331 slides to the clamping position 241, the ball 331 is partially trapped in the clamping position 241, the clamping position 241 may play a limiting role on the sliding of the ball 331, so as to limit the rotating seat 3 to rotate further, and when the ball 331 is partially trapped in the clamping position 241, a corresponding sound is also emitted and a certain effect is generated, and a user can feel feedback of vibration when operating, so that the user can release the clamping position 241 from the clamping position 3, and realize the clamping between the plugs 1 and 2 when the plug-in unit 2 is inserted into the fixing seat 2. When the balls 331 need to be disengaged from the locking portions 241, the user can rotate the insert 1 with a large force to disengage the balls 331 from the locking portions 241.

As shown in fig. 1-5, the fixing base 2 is provided with a drainage channel 25, the drainage channel 25 extends along the axial direction of the jack 22, and the drainage channel 25 is communicated with the rotating groove 21, when the fixing base 2 causes water accumulation in the jack 22 due to failure in the use process, the water accumulation can be rapidly drained from the drainage channel 25, and the water accumulation is prevented from corroding the fixing base 2 or causing a short circuit when the fixing base 2 is electrified. The terminal surface of main part 11 is equipped with elastomer 12, works as main part 11 inserts in jack 22, elastomer 12 can support in the bottom of jack 22, and the user is rotatory back with main part 11 again, and elastomer 12 owing to press from both sides between main part 11 and jack 22, elastomer 12 can exert elasticity to main part 11, and spacing wing 13 can press on rotating groove 21, improves the frictional force between plug-in components 1 and the fixing base 2 to improve the fixed effect of plug-in components 1 and fixing base 2.

As shown in fig. 3 to 5, in this embodiment, the elastic body 12 includes a pair of elastic arms 121, one end of each elastic arm 121 is connected to the end face of the main body 11, a gap is left between the other end of each elastic arm 121 and the end face of the main body 11, two elastic arms 121 enclose a shape similar to a ring, a contact 122 is disposed on one side of each elastic arm 121 facing away from the end face of the main body 11, and two contacts 122 are distributed on two opposite sides of the central axis of the main body 11. When the body 11 is inserted into the insertion hole 22, the contact 122 contacts the bottom end of the insertion hole 22, and the insertion hole 22 applies a reaction force to the contact 122, so that the elastic arm 121 is bent toward the body 11, thereby generating an elastic force to the body 11.

As shown in fig. 1-4, the opening of the jack 22 is provided with an annular guiding surface 221, the aperture of the guiding surface 221 on the side close to the rotating groove 21 is smaller than that on the side far away from the rotating groove 21, when the main body 11 needs to be inserted into the jack 22, the main body 11 can contact with the guiding surface 221 and slide into the jack 22 along the guiding surface 221, and the guiding surface 221 can guide the main body 11, so that the main body 11 can be inserted into the jack 22 more easily.

As shown in fig. 2-5, in some embodiments, the number of the limit grooves 23 is at least one, the number of the limit wings 13 is at least one, the limit wings 13 are located on the same circumference of the main body 11, the limit grooves 23 are in one-to-one correspondence with the limit wings 13, when there are at least two limit wings 13, and at least two limit wings 13 are different in size, wherein the distance between the end of the two limit wings 13 facing away from the main body 11 and the main body 11 is the same, so as to ensure that the limit wings 13 can rotate in the rotation groove 21, wherein the smaller limit wings 13 can enter the limit grooves 23, and the larger limit wings 13 cannot enter the smaller limit grooves 23, so that the main body 11 can only be inserted into the insertion hole 22 from a certain angle. The limiting wings 13 can prevent the insert 1 from being misplaced in the position of the fixed seat 2, and can also limit the axial loosening of the insert 1.

As shown in fig. 2-5, in some embodiments, there are at least two limiting wings 13, the limiting wings 13 are located on the same axial direction of the main body 11, the fixing base 2 is provided with an auxiliary groove 26, the shape and size of the auxiliary groove 26 are the same as those of the rotating groove 21, the auxiliary groove 26 is annular and surrounds the jack 22, the auxiliary groove 26 is recessed from the jack 22 in a direction away from the central axis of the jack 22, the auxiliary groove 26 is communicated with the jack 22, and the central axis of the auxiliary groove 26 is the same as the central axis of the jack 22. When the limit wings 13 closest to the end face reach the rotation groove 21 and rotate, the other limit wings 13 also reach the corresponding auxiliary groove 26 and rotate in the auxiliary groove 26.

The working process of the utility model is as follows: when the butt joint 1 and the fixed seat 2 are needed, the main body 11 is aligned with the jack 22, the limiting wings 13 are aligned with the corresponding limiting grooves 23, the main body 11 is inserted into the jack 22 until the limiting wings 13 closest to the end face of the main body 11 are positioned on the same plane as the rotating grooves 21 and are positioned in the gaps, the main body 11 is rotated, the limiting wings 13 push the connecting parts 31 to rotate, the rotating seat 3 rotates along with the rotating wings, the elastic piece 33 rotates along with the rotating seat 3 under the driving of the rotating seat 3, the elastic piece 33 slides in the clamping piece 24 until the ball 331 is sunk into the clamping position 241, the rotating seat 3 is stated to rotate to the bottom, and the plug-in 1 and the fixed seat 2 finish locking work.

In summary, the embodiment of the utility model provides a clamping device, which is characterized in that a rotatable rotating seat 3 is arranged outside a fixed seat 2, after a main body 11 is inserted into a jack 22, a limiting wing 13 drives the rotating seat 3 and a clamping piece 24 to generate sliding friction, so that the hand feeling of the plug-in unit 1 when the plug-in unit 1 is in butt joint with the fixed seat 2 is improved while the plug-in unit 1 is firmly fixed with the fixed seat 2, the interpersonal interaction experience is improved, and the clamping device is simple in structure, low in cost and convenient to manufacture.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.

Claims (10)

1. A clamping device, comprising:

the plug-in comprises a main body and at least one limiting wing, wherein the limiting wing is positioned on the surface of the main body;

the fixing seat is provided with a rotating groove, a jack for inserting the main body and at least one limiting groove for penetrating the limiting wings, the jack is cylindrical, the shape of the jack is matched with that of the main body, the rotating groove is annular and surrounds the outside of the jack, the rotating groove is recessed from the jack to a direction away from the central axis of the jack, the limiting wings can extend into the rotating groove and rotate along the rotating groove, the limiting grooves extend along the axial direction of the jack, the limiting grooves are recessed from the jack to a direction away from the central axis of the jack, and the limiting grooves are intersected with the rotating groove; and

the rotary seat is sleeved outside the fixed seat and rotates relative to the fixed seat, the rotary seat is provided with a connecting part for butting the limiting wings, the connecting part stretches into the rotating groove, the rotary seat is in contact with the fixed seat, and when the rotary seat rotates relative to the fixed seat, the rotary seat and the fixed seat slide and rub.

2. The clamping device as claimed in claim 1, characterized in that: at least one damping ring is arranged between the fixed seat and the rotating seat, the damping ring is sleeved outside the fixed seat, and the damping ring is respectively contacted with the fixed seat and the rotating seat.

3. The clamping device as claimed in claim 1, characterized in that: the side of fixing base has seted up curved fretwork hole, the fretwork hole is located rotate the groove periphery and with rotate the groove and be linked together, connecting portion pass the fretwork hole stretches into rotate the groove, connecting portion is equipped with the breach that can hold spacing wing towards the one end of jack.

4. The clamping device as claimed in claim 1, characterized in that: the rotating seat comprises a sleeve body and an elastic piece, the sleeve body is sleeved outside the fixed seat, the connecting part is connected with the sleeve body, the elastic piece is installed on the sleeve body, a clamping piece is arranged on the fixed seat, the elastic piece abuts against the clamping piece, the clamping piece is provided with a clamping position for clamping the elastic piece, and the clamping position is located on a rotating track of the elastic piece.

5. The clamping device of claim 4, wherein: the elastic piece comprises a ball and a spring, one end of the spring is connected with the sleeve body, the other end of the spring is connected with the ball, the clamping piece is inwards sunken to form the clamping position, and the inner surface of the clamping position is a cambered surface.

6. The clamping device as claimed in claim 1, characterized in that: the fixing seat is provided with a drainage channel which extends along the axial direction of the jack, and the drainage channel is communicated with the rotating groove.

7. The clamping device as claimed in claim 1, characterized in that: an elastic body is arranged on the end face of the main body.

8. The clamping device of claim 7, wherein: the elastic body comprises an elastic arm, one end of the elastic arm is connected with the end face of the main body, a gap is reserved between the other end of the elastic arm and the end face of the main body, and a contact is arranged on one side, facing away from the end face of the main body, of the elastic arm.

9. The clamping device as claimed in claim 1, characterized in that: the opening of the jack is provided with an annular guide surface, and the aperture of one side of the guide surface, which is close to the rotating groove, is smaller than the aperture of one side, which is far away from the rotating groove.

10. The clamping device as claimed in claim 1, characterized in that: the limiting grooves are at least one, the limiting wings are located on the same circumference of the main body, and the limiting grooves correspond to the limiting wings one by one.