Disassembling and assembling mechanism, hand tool comprising disassembling and assembling mechanism and skin care equipment

Abstract

The utility model discloses a disassembly and assembly mechanism, a hand tool comprising the disassembly and assembly mechanism and skin care equipment, and relates to the technical field of medical beauty medical instruments, the disassembly and assembly mechanism is suitable for the skin care equipment, and the hand tool of the skin care equipment comprises a handle and a treatment head which are detachably connected. The handle comprises a shell and a needle cylinder arranged in the shell and used for storing medicine, the shell is provided with a connecting end face used for connecting the handle and the treatment head, the dismounting and mounting mechanism comprises a push-out structure and a driving structure, and the driving structure is mechanically connected with the push-out structure; the push-out structure abuts against the needle cylinder so as to push the needle cylinder out of the shell under the pressing effect applied by the driving structure. The disassembling and assembling mechanism aims at achieving rapid disassembling of the needle cylinder.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical and cosmetic medical instrument technical field, especially a kind of dismounting mechanism, hand tool and skin care equipment comprising dismounting mechanism. BACKGROUND

[0002] The existing high-frequency treatment equipment transmits high-frequency energy to subcutaneous dermis to induce the self-production of collagen, which realizes the cosmetic skin replacement equipment, cannot exist simultaneously in a device with the injection function module design of drug, and the high-frequency treatment equipment can adopt invasive or non-invasive mode to output high-frequency energy to dermis.

[0003] Drug injection is usually through microneedle or needle-free way, and the nutrient substance (such as hyaluronic acid, vitamin, antioxidant, etc.) in the needle cylinder is directly injected into the deep layer of skin or applied on the skin surface to be absorbed, so as to increase the moisture and luster of skin. The needle cylinder is usually a disposable needle cylinder filled with nutrient drugs inside, which is installed on the handle of the treatment equipment, and is communicated with the drug outlet on the treatment head through the injection port of the needle cylinder, and is directly injected into the deep layer of skin or applied on the skin surface to be absorbed. When the nutrient substance in the needle cylinder is used up, a new needle cylinder filled with drugs needs to be replaced. However, since the outer wall of the needle cylinder is usually cylindrical, it is not easy to grip and disassemble it from the handle. SUMMARY

[0004] The main purpose of the utility model is to provide a dismounting mechanism for fixing needle cylinder, hand tool and skin care equipment, which aims to realize the quick disassembly of needle cylinder.

[0005] To achieve the above purpose, the dismounting mechanism for fixing needle cylinder provided by the utility model is suitable for skin care equipment, the hand tool of the skin care equipment includes a detachable handle and a treatment head, the handle includes a shell and a needle cylinder for storing drugs arranged in the shell, the shell has a connecting end face for connecting the handle and the treatment head, the dismounting mechanism includes a pushing structure and a driving structure, and the driving structure is mechanically connected to the pushing structure. The pushing structure abuts against the needle cylinder, so that the needle cylinder is pushed out of the shell under the pressing action of the driving structure.

[0006] In an embodiment, the pushing structure includes a clamping assembly, the clamping assembly includes two clamping pieces in V shape, the two clamping pieces are formed with a clamping groove, the needle cylinder abuts in the clamping groove, and the clamping assembly is arranged in the shell close to the connecting end face.

[0007] In an embodiment, the driving structure comprises two pressing keys, both of which are arranged on the connecting end face, two pressing key grooves are arranged on the connecting end face in opposite directions, and the two pressing keys are respectively arranged in the two pressing key grooves; each pressing key is elastically abutted with the pressing key groove through a compression spring, and each pressing key is fixedly connected with each clamping piece; the two clamping pieces are driven to move close to each other to push out the needle cylinder through compression of the two pressing keys; and the two clamping pieces are driven to move away from each other to accommodate the needle cylinder through reset of the two pressing keys.

[0008] In an embodiment, the pushing-out structure comprises a needle tube clamp abutting against the needle cylinder, and the two sides of the needle tube clamp are clamped and connected with the shell.

[0009] In an embodiment, the driving structure comprises two pressing parts arranged opposite to the needle tube clamp, the pressing parts are integrally formed with the needle tube clamp, the shell is provided with a buckle, the pressing parts are clamped and connected with the buckle, and the pressing parts are driven to be separated from the buckle.

[0010] In an embodiment, the pushing-out structure comprises a needle tube clamp abutting against the needle cylinder and wedge-shaped protrusions arranged on the two sides of the needle tube clamp, and the driving structure comprises sliding blocks slidingly connected with the two sides of the shell, the sliding blocks push the wedge-shaped protrusions to push the needle tube clamp out of the shell.

[0011] In an embodiment, the dismounting mechanism further comprises an elastic member, one end of the elastic member is connected with the sliding block, and the other end of the elastic member is connected with the shell, so as to reset the sliding block.

[0012] The utility model also proposes a hand tool, including detachable connection handle and treatment head, the handle includes shell, the needle cylinder for storing medicine in the shell is arranged in being used for, the shell has the connecting end face for the handle and the treatment head connection, and as above described dismounting mechanism, the needle cylinder includes storage cavity and constitutes the plunger that reciprocatingly moves in the storage cavity, the storage cavity of the needle cylinder and the push rod that drives the plunger moves are detachably connected in the shell through the dismounting mechanism.

[0013] In an embodiment, the hand tool further comprises a transparent upper cover, which is rotatably connected with the shell and used for covering or opening the needle cylinder.

[0014] The surface of the transparent upper cover facing the needle cylinder is provided with an arc-shaped protruding rib, and when the transparent upper cover covers the needle cylinder, the arc-shaped protruding rib limits the needle cylinder in the shell.

[0015] The utility model also proposes a skin care equipment, comprising:

[0016] a hand tool; and

[0017] a host configured to electrically connect the handpiece to provide high frequency energy to the handpiece;

[0018] wherein the handpiece comprises the handpiece as described above.

[0019] The technical scheme of the utility model discloses a dismounting mechanism is used to dismount the needle cylinder from the shell of the handle of the skin care equipment quickly, and time is saved. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to make the technical scheme of the embodiments of the utility model or the prior art clearer, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained from the structure shown in the drawings without creative labor.

[0021] Figure 1 The structure schematic diagram of one embodiment of the dismounting mechanism provided by the utility model is shown in the figure.

[0022] Figure 2 The structure schematic diagram of another embodiment of the dismounting mechanism provided by the utility model is shown in the figure.

[0023] Figure 3 The structure schematic diagram of still another embodiment of the dismounting mechanism provided by the utility model is shown in the figure.

[0024] Figure 4 The structure schematic diagram of still another embodiment of the dismounting mechanism provided by the utility model is shown in the figure.

[0025] Explanation of the reference numerals:

[0026] 1, dismounting mechanism; 11, push-out structure; 111, clamping assembly; 1111, clamping piece; 112, needle tube clamp; 113, wedge-shaped protrusion; 12, driving structure; 121, pressing key; 122, pressing part; 123, sliding block; 13, elastic piece; 14, transparent upper cover; 10, handle; 101, shell; 102, buckle; 20, needle cylinder; 30, treatment head.

[0027] The realization, functional characteristics and advantages of the utility model will be further explained by combining with the embodiments and referring to the drawings. DETAILED DESCRIPTION

[0028] 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 are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0029] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0030] In addition, if the embodiments of the present application involve descriptions such as "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0031] Drug injection is usually through microneedle or needle-free way, the nutrient substance (such as hyaluronic acid, vitamin, antioxidant, etc.) in the needle cylinder is directly injected into the deep layer of skin or applied on the skin surface to be absorbed, to increase the moisture and luster of the skin. The needle cylinder is usually a disposable needle cylinder filled with nutrient medicine inside, which is installed on the handle of the needle cylinder mounting device, and is communicated with the medicine outlet on the treatment head through the injection port of the needle cylinder, and is directly injected into the deep layer of skin or applied on the skin surface to be absorbed, etc. When the nutrient substance in the needle cylinder is used up, a new needle cylinder full of medicine needs to be replaced, but since the outer wall of the needle cylinder is usually cylindrical, it is not easy to grip and detach it from the handle.

[0032] The utility model provides a kind of dismounting mechanism, hand tool and skin care equipment including the dismounting mechanism, to realize the quick dismounting of needle cylinder.

[0033] Please refer to Figures 1 to 4In an embodiment of the present application, the dismounting mechanism 1 is used in a skin care device, in some embodiments, the skin care device can output high frequency energy or inject medicine to the skin, in other embodiments, the skin care device comprising the dismounting mechanism 1 can only inject medicine to the skin.

[0034] The hand tool of the skin care device comprises a detachable handle 10 and a treatment head, the handle 10 comprises a shell 101 and a needle cylinder 20 arranged in the shell 101 for storing medicine, the shell has a connecting end face for connecting the handle with the treatment head; wherein the dismounting mechanism 1 comprises a pushing structure 11 and a driving structure 12, the driving structure 12 is mechanically connected with the pushing structure 11; the pushing structure 11 abuts against the needle cylinder 20, so as to push the needle cylinder 20 out of the shell 101 under the pressing action of the driving structure 12.

[0035] In the embodiment, the dismounting mechanism 1 comprises the pushing structure 11 and the driving structure 12, the pushing structure 11 is mechanically connected with the driving structure 12, and the needle cylinder 20 can be pushed out of the shell 101 by the pressing action of the driving structure 12, so as to realize the quick dismounting of the needle cylinder 20.

[0036] The technical scheme of the present application can quickly dismount the needle cylinder 20 from the shell 101 of the handle 10 of the skin care device by using the dismounting mechanism 1, thereby saving time. The dismounting mechanism 1 comprises the pushing structure 11 and the driving structure 12 mechanically connected with the pushing structure 11, the pushing structure 11 abuts against the outer peripheral wall of the needle cylinder 20 arranged in the shell 101, and the needle cylinder 20 is pushed out of the shell 101 under the pressing action of the driving structure 12, so as to dismount the needle cylinder 20 from the shell 101.

[0037] In the embodiment of the present application, as shown in Figure 3 and Figure 4 , the pushing structure 11 comprises a clamping assembly 111, the clamping assembly 111 comprises two clamping pieces 1111 in V shape, the two clamping pieces 1111 are formed with a clamping groove, the needle cylinder 20 abuts in the clamping groove, and the clamping assembly 111 is arranged at the connecting end face of the shell 101; in the embodiment, the pushing structure 11 can also be a snap spring arranged at one end of the injection port of the needle cylinder 2, the injection port of the needle cylinder 20 is pushed upward by the movement of the snap spring, so that the needle cylinder 20 is separated from the mounting groove, and the quick dismounting effect of the needle cylinder 20 is realized.

[0038] In the embodiment, the driving clamping assembly 111 pushes the injection port of the needle cylinder 20, so that the needle cylinder 20 can be moved upward and separated from the shell 101, and the disassembly of the needle cylinder 20 is completed; the clamping assembly 111 can adopt two V-shaped clamping pieces 1111. The movable ends of the two V-shaped clamping pieces 1111 abut against the two sides of the injection port of the needle cylinder 20 respectively; by driving the two movable ends of the two V-shaped clamping pieces 1111 to move close to each other, the needle cylinder 20 can be pushed out of the shell 101, and the quick disassembly of the needle cylinder 20 is realized; and the two V-shaped clamping pieces 1111 can be automatically reset under the elastic action of the V-shaped clamping pieces 1111, so that the needle cylinder 20 can be continuously used after being replaced.

[0039] In the embodiment of the utility model, the driving structure 12 includes two press keys 121, both of which are arranged on the connecting end face of the shell 101; two press key 121 grooves are arranged on the connecting end face in a mutually opposite manner, and each press key 121 groove accommodates one press key 121; each press key 121 is elastically abutted against the press key 121 groove through a compression spring; and each press key 121 is fixedly connected to each clamping piece 1111; by compressing the two press keys 121, the two clamping pieces 1111 are driven to move close to each other to push out the needle cylinder 20; and by resetting the two press keys 121, the two clamping pieces 1111 are driven to move away from each other to accommodate the needle cylinder 20.

[0040] In the embodiment, the press key 121 is elastically abutted against the press key 121 groove through a compression spring; the two clamping pieces 1111 are driven to move close to each other to push out the needle cylinder 20 from the shell 101; the compression spring restores the deformation to reset the two press keys 121; and the two clamping pieces 1111 are driven to move away from each other to accommodate the needle cylinder 20. In a preferred embodiment, the clamping assembly 111 is also linked with the press key 121; when the press key 121 is pressed to detach the treatment head from the handle 10, the press key 121 also drives the clamping assembly 111 to push the needle cylinder 20 away from the shell 101; one action can realize the detachment of the treatment head and the detachment of the needle cylinder 20, thereby saving time.

[0041] In another embodiment of the utility model, as shown in Figure 1 the pushing-out structure 11 includes a needle tube clamp 112 abutting against the needle cylinder 20, and the needle tube clamp 112 is connected with the shell 101 in a clamping manner. The needle cylinder 20 is first clamped in the needle tube clamp 112 through interference fit, and then the needle cylinder 20 and the needle cylinder 20 are clamped as a whole into the mounting groove on the handle 10; the injection port of the needle cylinder 20 is exposed at one end opening of the mounting groove and is used for communication with the treatment head; the push handle of the needle cylinder 20 is exposed at the other end opening of the mounting groove and is connected with the motor push rod; by detaching the needle cylinder 20 clamp from the mounting groove, the needle cylinder 20 can be detached from the mounting groove, thereby realizing the quick disassembly effect of the needle cylinder 20.

[0042] In the embodiment, the needle tube clamp 112 is provided with a clamping groove for clamping the needle cylinder 20, the needle cylinder 20 is detachably connected with the needle tube clamp 112 through interference fit or buckles 102, and the needle tube clamp 112 is detachably connected with the shell 101, the needle cylinder 20 can be detached from the shell 101 by detaching the needle tube clamp 112 from the shell 101, and the time for replacing the needle cylinder 20 is saved.

[0043] In the embodiment of the utility model, the driving structure 12 includes two press parts 122 arranged opposite to the needle tube clamp 112, the press part 122 is integrally formed with the needle tube clamp 112, the shell 101 is provided with buckles 102, the press part 122 is connected with the buckle 102 in a clamping manner, and the press part 122 is driven, for example, the operator presses the press part 122 with both hands to make the press part 122 separate from the buckle 102.

[0044] In the embodiment, the opposite two sides of the needle tube clamp 112 are provided with press parts 122, the shell 101 is provided with buckles 102, the detachable connection between the needle tube clamp 112 and the shell 101 is realized through the clamping connection between the buckle 102 and the press part 122, and then the detachable connection between the needle cylinder 20 and the shell 101 is realized, the press part 122 is driven to separate from the buckle 102, the separation between the needle tube clamp 112 and the shell 101 is realized, the needle cylinder 20 and the needle tube clamp 112 can be detached from the shell 101, and the time for replacing the needle cylinder 20 is saved.

[0045] In the embodiment of the utility model, as shown in Figure 2 The pushing-out structure 11 includes the needle tube clamp 112 abutting against the needle cylinder 20, and the needle tube clamp 112 is connected with the accommodating groove of the shell 101 in a clamping manner; the wedge-shaped protrusions 113 are arranged on the two sides of the needle tube clamp 112 and integrally formed with the needle tube clamp 112, the driving structure 12 includes the sliding blocks 123 slidingly connected with the two sides of the shell 101, the sliding block 123 pushes the wedge-shaped protrusion 113 to push the needle tube clamp 112 and the needle cylinder 20 out of the shell 101.

[0046] In the embodiment, the driving structure 12 comprises sliding blocks 123 connected to both sides of the shell 101 clamped with the needle tube clamp 112, correspondingly, wedge-shaped protrusions 113 are arranged on the outer peripheral wall of the needle tube clamp 112, and the sliding blocks 123 and the wedge-shaped protrusions 113 are provided with matched inclined surfaces, when the sliding blocks 123 move along the shell 101, the wedge-shaped protrusions 113 are abutted and pushed to move away from the shell 101, and then the needle tube clamp 112 is taken out from the shell 101 along with the needle cylinder 20, so that the needle cylinder 20 is quickly disassembled. In a preferred embodiment, the sliding block 123 is an L-shaped sliding block 123, the L-shaped sliding block 123 comprises a horizontal sliding block 123 and a vertical sliding block 123, the horizontal sliding block 123 is used for sliding connection with the shell 101, and the vertical sliding block 123 is connected with the horizontal sliding block 123 at an angle, so that the horizontal sliding block 123 is driven to move along the shell 101 by pushing the vertical sliding block 123, and the pushing is facilitated, and manpower is saved.

[0047] In the embodiment of the utility model, the dismounting mechanism 1 further comprises an elastic member 13, one end of the elastic member 13 is connected with the sliding block 123, and the other end is connected with the shell 101, and the elastic member 13 is used for resetting the sliding block 123.

[0048] In an embodiment, the elastic member 13 is connected between the sliding block 123 and the shell 101, when the sliding block 123 is in the initial position, the elastic member 13 is not stressed, the sliding block 123 is driven to move in the protrusion direction, the sliding block 123 extrudes the elastic member 13, after the hand is released, the elastic member 13 restores the deformation to automatically reset the sliding block 123, and the sliding block 123 is convenient for resetting to continue working after a new needle cylinder 20 is replaced.

[0049] In the utility model, a hand tool (not shown) is further provided, which comprises a handle 10 and a treatment head in detachable connection, the handle 10 comprises a shell 101 and a needle cylinder 20 arranged in the shell 101 and used for storing drugs, the shell has a connecting end face used for connecting the handle with the treatment head, and the dismounting mechanism 1 described above, the needle cylinder 20 comprises a drug storage cavity and a plunger reciprocally moving in the drug storage cavity; the drug storage cavity of the needle cylinder 20 and a push rod driving the plunger to move are detachably connected in the shell 101 through the dismounting mechanism 1.

[0050] In the embodiment of the utility model, the hand tool further comprises a transparent upper cover 14, the transparent upper cover 14 is rotationally connected with one side of the shell 101 and is used for covering or opening the needle cylinder 20; when the transparent upper cover 14 opens the needle cylinder 20, the dismounting mechanism is driven to extract the needle cylinder 20, and it is convenient to replace a new needle cylinder 20.

[0051] The surface of the transparent upper cover 14 facing the shell 101 is provided with an arc-shaped convex rib, when the transparent upper cover 14 covers the needle cylinder 20, the arc-shaped convex rib limits the needle cylinder 20 in the shell 101.

[0052] In one embodiment, the transparent top cover 14 is rotatably connected to the housing 101, which facilitates opening and closing. The protruding ribs on the transparent top cover 14 further confine the syringe 20 within the housing 101, preventing the safety hazard caused by the syringe 20 falling off. The transparent top cover 14 can also help the operator to visually observe the remaining amount of medicine in the syringe 20, reminding the operator whether a new syringe 20 needs to be replaced.

[0053] Some utility models also propose a skin care device, including a handpiece and a main unit, wherein the main unit is used to electrically connect to the handpiece to provide high-frequency energy to the handpiece; wherein the handpiece includes the handpiece described above, and the high-frequency energy is radio frequency, ultrasound, or other energy with a frequency exceeding 1000Hz.

[0054] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A disassembly and assembly mechanism for a skin care device, the handpiece of the skin care device comprising a detachably connected handle and a treatment head, the handle comprising a housing and a syringe for storing medication disposed within the housing, the housing having a connecting end face for connecting the handle to the treatment head, characterized in that, The disassembly / assembly mechanism includes: Exit structure; and A drive structure, which is mechanically connected to the ejection structure; The ejection structure abuts against the syringe to eject the syringe out of the housing under the pressing action applied by the drive structure.

2. The disassembly and assembly mechanism as described in claim 1, characterized in that, The ejection structure includes a clamping assembly, which includes two V-shaped clamping members with engagement grooves. The syringe abuts against the engagement grooves, and the clamping assembly is located within the housing near the connecting end face.

3. The disassembly and assembly mechanism as described in claim 2, characterized in that, The driving structure includes two pressing keys, both of which are located on the connecting end face. Two opposing pressing key slots are formed on the connecting end face to accommodate the two pressing keys respectively. Each pressing key is elastically abutted against the pressing key slot by a compression spring, and each pressing key is fixedly connected to each clamping member. The compression of the two pressing keys drives the two clamping members to move closer to each other to push out the syringe. The reset of the two pressing keys drives the two clamping members to move away from each other to accommodate the syringe.

4. The disassembly and assembly mechanism as described in claim 1, characterized in that, The ejection structure includes a needle clamp that abuts against the syringe, and the two sides of the needle clamp are engaged with the housing.

5. The disassembly and assembly mechanism as described in claim 4, characterized in that, The driving structure includes two pressing parts disposed opposite to the needle clamp. The pressing parts are integrally formed with the needle clamp. The housing is provided with a buckle. The pressing parts are engaged with the buckle. Driving the pressing parts causes the pressing parts to disengage from the buckle.

6. The disassembly and assembly mechanism as described in claim 1, characterized in that, The ejection structure includes a needle clamp that abuts against the syringe and wedge-shaped protrusions on both sides of the needle clamp. The driving structure includes a slider that is slidably connected to both sides of the housing. The slider pushes the wedge-shaped protrusions to eject the needle clamp out of the housing.

7. The disassembly and assembly mechanism as described in claim 6, characterized in that, The disassembly and assembly mechanism also includes an elastic element, one end of which is connected to the slider and the other end of which is connected to the housing, for resetting the slider.

8. A hand tool, characterized in that, The handpiece includes a detachably connected handle and a treatment head. The handle includes a housing, a syringe for storing medication disposed within the housing, the housing having a connection end face for connecting the handle to the treatment head, and a disassembly / assembly mechanism as described in any one of claims 1 to 7. The syringe includes a medication reservoir and a plunger that reciprocates within the medication reservoir. The medication reservoir and a push rod for driving the plunger to move are detachably connected to the housing via the disassembly / assembly mechanism.

9. The hand tool as described in claim 8, characterized in that, The hand tool also includes a transparent top cover, which is rotatably connected to the housing and is used to cover or open the syringe. The transparent top cover has an arc-shaped rib on its surface facing the syringe. When the transparent top cover covers the syringe, the arc-shaped rib confines the syringe within the housing.

10. A skin care device, characterized in that, include: Hand tools; and A host unit is used to electrically connect to the handpiece to provide high-frequency energy to the handpiece; The hand tool includes the hand tool as described in claim 8 or 9.

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